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Bring in NetBSD code used in the PowerPC port. 

Reviewed by:	obrien, dfr
Obtained from:	NetBSD
This commit is contained in:
Benno Rice 2001-06-10 02:39:37 +00:00
parent fb49f5492e
commit f9bac91b18
49 changed files with 17592 additions and 0 deletions
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235
sys/powerpc/aim/clock.c Normal file
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/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: clock.c,v 1.9 2000/01/19 02:52:19 msaitoh Exp $ */
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/timetc.h>
#include <sys/interrupt.h>
#include <vm/vm.h>
#include <dev/ofw/openfirm.h>
#include <machine/clock.h>
#include <machine/cpu.h>
#if 0 /* XXX */
#include "adb.h"
#else
#define NADB 0
#endif
/*
* Initially we assume a processor with a bus frequency of 12.5 MHz.
*/
static u_long ns_per_tick = 80;
static long ticks_per_intr;
static volatile u_long lasttb;
#define SECDAY 86400
#define DIFF19041970 2082844800
#if NADB > 0
extern int adb_read_date_time __P((int *));
extern int adb_set_date_time __P((int));
#endif
static int clockinitted = 0;
void
inittodr(time_t base)
{
time_t deltat;
u_int rtc_time;
struct timespec ts;
/*
* If we can't read from RTC, use the fs time.
*/
#if NADB > 0
if (adb_read_date_time(&rtc_time) < 0)
#endif
{
ts.tv_sec = base;
ts.tv_nsec = 0;
tc_setclock(&ts);
return;
}
clockinitted = 1;
ts.tv_sec = rtc_time - DIFF19041970;
deltat = ts.tv_sec - base;
if (deltat < 0) {
deltat = -deltat;
}
if (deltat < 2 * SECDAY) {
tc_setclock(&ts);
return;
}
printf("WARNING: clock %s %d days",
ts.tv_sec < base ? "lost" : "gained", (int)(deltat / SECDAY));
printf(" -- CHECK AND RESET THE DATE!\n");
}
/*
* Similar to the above
*/
void
resettodr()
{
#if NADB > 0
u_int rtc_time;
if (clockinitted) {
rtc_time = time.tv_sec + DIFF19041970;
adb_set_date_time(rtc_time);
}
#endif
}
void
decr_intr(struct clockframe *frame)
{
u_long tb;
long tick;
int nticks;
/*
* Check whether we are initialized.
*/
if (!ticks_per_intr)
return;
/*
* Based on the actual time delay since the last decrementer reload,
* we arrange for earlier interrupt next time.
*/
__asm ("mftb %0; mfdec %1" : "=r"(tb), "=r"(tick));
for (nticks = 0; tick < 0; nticks++)
tick += ticks_per_intr;
__asm __volatile ("mtdec %0" :: "r"(tick));
/*
* lasttb is used during microtime. Set it to the virtual
* start of this tick interval.
*/
lasttb = tb + tick - ticks_per_intr;
#if 0 /* XXX */
intrcnt[CNT_CLOCK]++;
{
int pri;
int msr;
pri = splclock();
if (pri & (1 << SPL_CLOCK)) {
tickspending += nticks;
}
else {
nticks += tickspending;
tickspending = 0;
/*
* Reenable interrupts
*/
__asm __volatile ("mfmsr %0; ori %0, %0, %1; mtmsr %0"
: "=r"(msr) : "K"(PSL_EE));
/*
* Do standard timer interrupt stuff.
* Do softclock stuff only on the last iteration.
*/
frame->pri = pri | (1 << SIR_CLOCK);
while (--nticks > 0)
hardclock(frame);
frame->pri = pri;
hardclock(frame);
}
splx(pri);
}
#endif
}
void
cpu_initclocks(void)
{
/* Do nothing */
}
static __inline u_quad_t
mftb(void)
{
u_long scratch;
u_quad_t tb;
__asm ("1: mftbu %0; mftb %0+1; mftbu %1; cmpw 0,%0,%1; bne 1b"
: "=r"(tb), "=r"(scratch));
return tb;
}
/*
* Wait for about n microseconds (at least!).
*/
void
delay(unsigned n)
{
u_quad_t tb;
u_long tbh, tbl, scratch;
tb = mftb();
tb += (n * 1000 + ns_per_tick - 1) / ns_per_tick;
tbh = tb >> 32;
tbl = tb;
__asm ("1: mftbu %0; cmplw %0,%1; blt 1b; bgt 2f;"
"mftb %0; cmplw %0,%2; blt 1b; 2:"
:: "r"(scratch), "r"(tbh), "r"(tbl));
}
/*
* Nothing to do.
*/
void
setstatclockrate(int arg)
{
/* Do nothing */
}

1373
sys/powerpc/aim/locore.S Normal file
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972
sys/powerpc/aim/machdep.c Normal file
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/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (C) 2001 Benno Rice
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* $NetBSD: machdep.c,v 1.74.2.1 2000/11/01 16:13:48 tv Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include "opt_ddb.h"
#include "opt_compat.h"
#include "opt_msgbuf.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/eventhandler.h>
#include <sys/sysproto.h>
#include <sys/mutex.h>
#include <sys/ktr.h>
#include <sys/signalvar.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/reboot.h>
#include <sys/bio.h>
#include <sys/buf.h>
#include <sys/bus.h>
#include <sys/mbuf.h>
#include <sys/vmmeter.h>
#include <sys/msgbuf.h>
#include <sys/exec.h>
#include <sys/sysctl.h>
#include <sys/uio.h>
#include <sys/linker.h>
#include <sys/cons.h>
#include <net/netisr.h>
#include <vm/vm.h>
#include <vm/vm_kern.h>
#include <vm/vm_page.h>
#include <vm/vm_map.h>
#include <vm/vm_extern.h>
#include <vm/vm_object.h>
#include <vm/vm_pager.h>
#include <sys/user.h>
#include <sys/ptrace.h>
#include <machine/bat.h>
#include <machine/clock.h>
#include <machine/md_var.h>
#include <machine/reg.h>
#include <machine/fpu.h>
#include <machine/globaldata.h>
#include <machine/vmparam.h>
#include <machine/elf.h>
#include <machine/trap.h>
#include <machine/powerpc.h>
#include <dev/ofw/openfirm.h>
#include <ddb/ddb.h>
#include <sys/vnode.h>
#include <fs/procfs/procfs.h>
#include <machine/sigframe.h>
int cold = 1;
struct mtx sched_lock;
struct mtx Giant;
struct user *proc0paddr;
char machine[] = "powerpc";
SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD, machine, 0, "");
static char model[128];
SYSCTL_STRING(_hw, HW_MODEL, model, CTLFLAG_RD, model, 0, "");
char bootpath[256];
#ifdef DDB
/* start and end of kernel symbol table */
void *ksym_start, *ksym_end;
#endif /* DDB */
static void cpu_startup(void *);
SYSINIT(cpu, SI_SUB_CPU, SI_ORDER_FIRST, cpu_startup, NULL)
void powerpc_init(u_int, u_int, u_int, char *);
int save_ofw_mapping(void);
int restore_ofw_mapping(void);
void install_extint(void (*)(void));
void osendsig(sig_t, int, sigset_t *, u_long);
struct msgbuf *msgbufp = 0;
int bootverbose = 0, Maxmem = 0;
long dumplo;
vm_offset_t phys_avail[10];
static int chosen;
struct pmap ofw_pmap;
extern int ofmsr;
struct bat battable[16];
static void identifycpu(void);
static vm_offset_t buffer_sva, buffer_eva;
vm_offset_t clean_sva, clean_eva;
static vm_offset_t pager_sva, pager_eva;
static void
powerpc_ofw_shutdown(void *junk, int howto)
{
if (howto & RB_HALT) {
OF_exit();
}
}
static void
cpu_startup(void *dummy)
{
unsigned int i;
caddr_t v;
vm_offset_t maxaddr;
vm_size_t size;
vm_offset_t firstaddr;
vm_offset_t minaddr;
size = 0;
/*
* Good {morning,afternoon,evening,night}.
*/
identifycpu();
/* startrtclock(); */
#ifdef PERFMON
perfmon_init();
#endif
printf("real memory = %ld (%ldK bytes)\n", ptoa(Maxmem),
ptoa(Maxmem) / 1024);
/*
* Display any holes after the first chunk of extended memory.
*/
if (bootverbose) {
int indx;
printf("Physical memory chunk(s):\n");
for (indx = 0; phys_avail[indx + 1] != 0; indx += 2) {
int size1 = phys_avail[indx + 1] - phys_avail[indx];
printf("0x%08x - 0x%08x, %d bytes (%d pages)\n",
phys_avail[indx], phys_avail[indx + 1] - 1, size1,
size1 / PAGE_SIZE);
}
}
/*
* Calculate callout wheel size
*/
for (callwheelsize = 1, callwheelbits = 0;
callwheelsize < ncallout;
callwheelsize <<= 1, ++callwheelbits)
;
callwheelmask = callwheelsize - 1;
/*
* Allocate space for system data structures.
* The first available kernel virtual address is in "v".
* As pages of kernel virtual memory are allocated, "v" is incremented.
* As pages of memory are allocated and cleared,
* "firstaddr" is incremented.
* An index into the kernel page table corresponding to the
* virtual memory address maintained in "v" is kept in "mapaddr".
*/
/*
* Make two passes. The first pass calculates how much memory is
* needed and allocates it. The second pass assigns virtual
* addresses to the various data structures.
*/
firstaddr = 0;
again:
v = (caddr_t)firstaddr;
#define valloc(name, type, num) \
(name) = (type *)v; v = (caddr_t)((name)+(num))
#define valloclim(name, type, num, lim) \
(name) = (type *)v; v = (caddr_t)((lim) = ((name)+(num)))
valloc(callout, struct callout, ncallout);
valloc(callwheel, struct callout_tailq, callwheelsize);
/*
* The nominal buffer size (and minimum KVA allocation) is BKVASIZE.
* For the first 64MB of ram nominally allocate sufficient buffers to
* cover 1/4 of our ram. Beyond the first 64MB allocate additional
* buffers to cover 1/20 of our ram over 64MB.
*/
if (nbuf == 0) {
int factor;
factor = 4 * BKVASIZE / PAGE_SIZE;
nbuf = 50;
if (Maxmem > 1024)
nbuf += min((Maxmem - 1024) / factor, 16384 / factor);
if (Maxmem > 16384)
nbuf += (Maxmem - 16384) * 2 / (factor * 5);
}
nswbuf = max(min(nbuf/4, 64), 16);
valloc(swbuf, struct buf, nswbuf);
valloc(buf, struct buf, nbuf);
v = bufhashinit(v);
/*
* End of first pass, size has been calculated so allocate memory
*/
if (firstaddr == 0) {
size = (vm_size_t)(v - firstaddr);
firstaddr = (vm_offset_t)kmem_alloc(kernel_map,
round_page(size));
if (firstaddr == 0)
panic("startup: no room for tables");
goto again;
}
/*
* End of second pass, addresses have been assigned
*/
if ((vm_size_t)(v - firstaddr) != size)
panic("startup: table size inconsistency");
clean_map = kmem_suballoc(kernel_map, &clean_sva, &clean_eva,
(nbuf*BKVASIZE) + (nswbuf*MAXPHYS) + pager_map_size);
buffer_map = kmem_suballoc(clean_map, &buffer_sva, &buffer_eva,
(nbuf*BKVASIZE));
pager_map = kmem_suballoc(clean_map, &pager_sva, &pager_eva,
(nswbuf*MAXPHYS) + pager_map_size);
pager_map->system_map = 1;
exec_map = kmem_suballoc(kernel_map, &minaddr, &maxaddr,
(16*(ARG_MAX+(PAGE_SIZE*3))));
/*
* XXX: Mbuf system machine-specific initializations should
* go here, if anywhere.
*/
/*
* Initialize callouts
*/
SLIST_INIT(&callfree);
for (i = 0; i < ncallout; i++) {
callout_init(&callout[i], 0);
callout[i].c_flags = CALLOUT_LOCAL_ALLOC;
SLIST_INSERT_HEAD(&callfree, &callout[i], c_links.sle);
}
for (i = 0; i < callwheelsize; i++) {
TAILQ_INIT(&callwheel[i]);
}
mtx_init(&callout_lock, "callout", MTX_SPIN);
#if defined(USERCONFIG)
#if defined(USERCONFIG_BOOT)
if (1)
#else
if (boothowto & RB_CONFIG)
#endif
{
userconfig();
cninit(); /* the preferred console may have changed */
}
#endif
printf("avail memory = %ld (%ldK bytes)\n", ptoa(cnt.v_free_count),
ptoa(cnt.v_free_count) / 1024);
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
vm_pager_bufferinit();
EVENTHANDLER_REGISTER(shutdown_final, powerpc_ofw_shutdown, 0,
SHUTDOWN_PRI_LAST);
#ifdef SMP
/*
* OK, enough kmem_alloc/malloc state should be up, lets get on with it!
*/
mp_start(); /* fire up the secondaries */
mp_announce();
#endif /* SMP */
}
void
identifycpu()
{
int pvr, cpu;
/*
* Find cpu type (Do it by OpenFirmware?)
*/
__asm ("mfpvr %0" : "=r"(pvr));
cpu = pvr >> 16;
switch (cpu) {
case 1:
sprintf(model, "601");
break;
case 3:
sprintf(model, "603");
break;
case 4:
sprintf(model, "604");
break;
case 5:
sprintf(model, "602");
break;
case 6:
sprintf(model, "603e");
break;
case 7:
sprintf(model, "603ev");
break;
case 8:
sprintf(model, "750 (G3)");
break;
case 9:
sprintf(model, "604ev");
break;
case 12:
sprintf(model, "7400 (G4)");
break;
case 20:
sprintf(model, "620");
break;
default:
sprintf(model, "Version %x", cpu);
break;
}
sprintf(model + strlen(model), " (Revision %x)", pvr & 0xffff);
printf("CPU: PowerPC %s\n", model);
}
extern char kernel_text[], _end[];
extern void *trapcode, *trapsize;
extern void *alitrap, *alisize;
extern void *dsitrap, *dsisize;
extern void *isitrap, *isisize;
extern void *decrint, *decrsize;
extern void *tlbimiss, *tlbimsize;
extern void *tlbdlmiss, *tlbdlmsize;
extern void *tlbdsmiss, *tlbdsmsize;
#if 0 /* XXX: interrupt handler. We'll get to this later */
extern void ext_intr(void);
#endif
#ifdef DDB
extern ddblow, ddbsize;
#endif
#ifdef IPKDB
extern ipkdblow, ipkdbsize;
#endif
static struct globaldata tmpglobal;
void
powerpc_init(u_int startkernel, u_int endkernel, u_int basekernel, char *args)
{
int exc, scratch;
struct mem_region *allmem, *availmem, *mp;
struct globaldata *globalp;
/*
* Set up BAT0 to only map the lowest 256 MB area
*/
battable[0].batl = BATL(0x00000000, BAT_M, BAT_PP_RW);
battable[0].batu = BATU(0x00000000, BAT_BL_256M, BAT_Vs);
/*
* Map PCI memory space.
*/
battable[0x8].batl = BATL(0x80000000, BAT_I, BAT_PP_RW);
battable[0x8].batu = BATU(0x80000000, BAT_BL_256M, BAT_Vs);
battable[0x9].batl = BATL(0x90000000, BAT_I, BAT_PP_RW);
battable[0x9].batu = BATU(0x90000000, BAT_BL_256M, BAT_Vs);
battable[0xa].batl = BATL(0xa0000000, BAT_I, BAT_PP_RW);
battable[0xa].batu = BATU(0xa0000000, BAT_BL_256M, BAT_Vs);
/*
* Map obio devices.
*/
battable[0xf].batl = BATL(0xf0000000, BAT_I, BAT_PP_RW);
battable[0xf].batu = BATU(0xf0000000, BAT_BL_256M, BAT_Vs);
/*
* Now setup fixed bat registers
*
* Note that we still run in real mode, and the BAT
* registers were cleared above.
*/
/* BAT0 used for initial 256 MB segment */
__asm __volatile ("mtibatl 0,%0; mtibatu 0,%1;"
"mtdbatl 0,%0; mtdbatu 0,%1;"
:: "r"(battable[0].batl), "r"(battable[0].batu));
/*
* Set up battable to map all RAM regions.
* This is here because mem_regions() call needs bat0 set up.
*/
mem_regions(&allmem, &availmem);
for (mp = allmem; mp->size; mp++) {
vm_offset_t pa = mp->start & 0xf0000000;
vm_offset_t end = mp->start + mp->size;
do {
u_int n = pa >> 28;
battable[n].batl = BATL(pa, BAT_M, BAT_PP_RW);
battable[n].batu = BATU(pa, BAT_BL_256M, BAT_Vs);
pa += 0x10000000;
} while (pa < end);
}
chosen = OF_finddevice("/chosen");
save_ofw_mapping();
proc0.p_addr = proc0paddr;
bzero(proc0.p_addr, sizeof *proc0.p_addr);
LIST_INIT(&proc0.p_contested);
/* XXX: NetBSDism I _think_. Not sure yet. */
#if 0
curpm = curpcb->pcb_pmreal = curpcb->pcb_pm = kernel_pmap;
#endif
/*
* Initialise some mutexes.
*/
mtx_init(&Giant, "Giant", MTX_DEF | MTX_RECURSE);
mtx_init(&sched_lock, "sched lock", MTX_SPIN | MTX_RECURSE);
mtx_init(&proc0.p_mtx, "process lock", MTX_DEF);
mtx_lock(&Giant);
/*
* Initialise console.
*/
cninit();
#ifdef __notyet__ /* Needs some rethinking regarding real/virtual OFW */
OF_set_callback(callback);
#endif
/*
* Set up trap vectors
*/
for (exc = EXC_RSVD; exc <= EXC_LAST; exc += 0x100) {
switch (exc) {
default:
bcopy(&trapcode, (void *)exc, (size_t)&trapsize);
break;
case EXC_EXI:
/*
* This one is (potentially) installed during autoconf
*/
break;
case EXC_ALI:
bcopy(&alitrap, (void *)EXC_ALI, (size_t)&alisize);
break;
case EXC_DSI:
bcopy(&dsitrap, (void *)EXC_DSI, (size_t)&dsisize);
break;
case EXC_ISI:
bcopy(&isitrap, (void *)EXC_ISI, (size_t)&isisize);
break;
case EXC_DECR:
bcopy(&decrint, (void *)EXC_DECR, (size_t)&decrsize);
break;
case EXC_IMISS:
bcopy(&tlbimiss, (void *)EXC_IMISS, (size_t)&tlbimsize);
break;
case EXC_DLMISS:
bcopy(&tlbdlmiss, (void *)EXC_DLMISS, (size_t)&tlbdlmsize);
break;
case EXC_DSMISS:
bcopy(&tlbdsmiss, (void *)EXC_DSMISS, (size_t)&tlbdsmsize);
break;
#if defined(DDB) || defined(IPKDB)
case EXC_TRC:
case EXC_PGM:
case EXC_BPT:
#if defined(DDB)
bcopy(&ddblow, (void *)exc, (size_t)&ddbsize);
#else
bcopy(&ipkdblow, (void *)exc, (size_t)&ipkdbsize);
#endif
break;
#endif /* DDB || IPKDB */
}
}
#if 0 /* XXX: coming soon... */
/*
* external interrupt handler install
*/
install_extint(ext_intr);
__syncicache((void *)EXC_RST, EXC_LAST - EXC_RST + 0x100);
#endif
/*
* Now enable translation (and machine checks/recoverable interrupts).
*/
__asm __volatile ("mfmsr %0; ori %0,%0,%1; mtmsr %0; isync"
: "=r"(scratch) : "K"(PSL_IR|PSL_DR|PSL_ME|PSL_RI));
ofmsr &= ~PSL_IP;
/*
* Parse arg string.
*/
#ifdef DDB
bcopy(args + strlen(args) + 1, &startsym, sizeof(startsym));
bcopy(args + strlen(args) + 5, &endsym, sizeof(endsym));
if (startsym == NULL || endsym == NULL)
startsym = endsym = NULL;
#endif
strcpy(bootpath, args);
args = bootpath;
while (*++args && *args != ' ');
if (*args) {
*args++ = 0;
while (*args) {
switch (*args++) {
case 'a':
boothowto |= RB_ASKNAME;
break;
case 's':
boothowto |= RB_SINGLE;
break;
case 'd':
boothowto |= RB_KDB;
break;
case 'v':
boothowto |= RB_VERBOSE;
break;
}
}
}
#ifdef DDB
ddb_init((int)((u_int)endsym - (u_int)startsym), startsym, endsym);
#endif
#ifdef IPKDB
/*
* Now trap to IPKDB
*/
ipkdb_init();
if (boothowto & RB_KDB)
ipkdb_connect(0);
#endif
/*
* Set the page size.
*/
#if 0
vm_set_page_size();
#endif
/*
* Initialize pmap module.
*/
pmap_bootstrap(startkernel, endkernel);
restore_ofw_mapping();
/*
* Setup the global data for the bootstrap cpu.
*/
globalp = (struct globaldata *) &tmpglobal;
/*
* XXX: Pass 0 as CPU id. This is bad. We need to work out
* XXX: which CPU we are somehow.
*/
globaldata_init(globalp, 0, sizeof(struct globaldata));
__asm("mtsprg 0,%0\n" :: "r" (globalp));
PCPU_GET(next_asn) = 1; /* 0 used for proc0 pmap */
PCPU_SET(curproc, &proc0);
PCPU_SET(spinlocks, NULL);
}
static int N_mapping;
static struct {
vm_offset_t va;
int len;
vm_offset_t pa;
int mode;
} ofw_mapping[256];
int
save_ofw_mapping()
{
int mmui, mmu;
OF_getprop(chosen, "mmu", &mmui, 4);
mmu = OF_instance_to_package(mmui);
bzero(ofw_mapping, sizeof(ofw_mapping));
N_mapping =
OF_getprop(mmu, "translations", ofw_mapping, sizeof(ofw_mapping));
N_mapping /= sizeof(ofw_mapping[0]);
return 0;
}
int
restore_ofw_mapping()
{
int i;
struct vm_page pg;
pmap_pinit(&ofw_pmap);
ofw_pmap.pm_sr[KERNEL_SR] = KERNEL_SEGMENT;
for (i = 0; i < N_mapping; i++) {
vm_offset_t pa = ofw_mapping[i].pa;
vm_offset_t va = ofw_mapping[i].va;
int size = ofw_mapping[i].len;
if (va < 0x90000000) /* XXX */
continue;
while (size > 0) {
pg.phys_addr = pa;
pmap_enter(&ofw_pmap, va, &pg, VM_PROT_ALL,
VM_PROT_ALL);
pa += PAGE_SIZE;
va += PAGE_SIZE;
size -= PAGE_SIZE;
}
}
return 0;
}
void
bzero(void *buf, size_t len)
{
caddr_t p;
p = buf;
while (((vm_offset_t) p & (sizeof(u_long) - 1)) && len) {
*p++ = 0;
len--;
}
while (len >= sizeof(u_long) * 8) {
*(u_long*) p = 0;
*((u_long*) p + 1) = 0;
*((u_long*) p + 2) = 0;
*((u_long*) p + 3) = 0;
len -= sizeof(u_long) * 8;
*((u_long*) p + 4) = 0;
*((u_long*) p + 5) = 0;
*((u_long*) p + 6) = 0;
*((u_long*) p + 7) = 0;
p += sizeof(u_long) * 8;
}
while (len >= sizeof(u_long)) {
*(u_long*) p = 0;
len -= sizeof(u_long);
p += sizeof(u_long);
}
while (len) {
*p++ = 0;
len--;
}
}
#if 0
void
delay(unsigned n)
{
u_long tb;
do {
__asm __volatile("mftb %0" : "=r" (tb));
} while (n > (int)(tb & 0xffffffff));
}
#endif
void
osendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
{
/* XXX: To be done */
return;
}
void
sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
{
/* XXX: To be done */
return;
}
int
osigreturn(struct proc *p, struct osigreturn_args *uap)
{
/* XXX: To be done */
return(ENOSYS);
}
int
sigreturn(struct proc *p, struct sigreturn_args *uap)
{
/* XXX: To be done */
return(ENOSYS);
}
void
cpu_boot(int howto)
{
}
/*
* Shutdown the CPU as much as possible.
*/
void
cpu_halt(void)
{
OF_exit();
}
/*
* Set set up registers on exec.
*/
void
setregs(struct proc *p, u_long entry, u_long stack, u_long ps_strings)
{
struct trapframe *tf;
struct ps_strings arginfo;
tf = trapframe(p);
bzero(tf, sizeof *tf);
tf->fixreg[1] = -roundup(-stack + 8, 16);
/*
* XXX Machine-independent code has already copied arguments and
* XXX environment to userland. Get them back here.
*/
(void)copyin((char *)PS_STRINGS, &arginfo, sizeof(arginfo));
/*
* Set up arguments for _start():
* _start(argc, argv, envp, obj, cleanup, ps_strings);
*
* Notes:
* - obj and cleanup are the auxilliary and termination
* vectors. They are fixed up by ld.elf_so.
* - ps_strings is a NetBSD extention, and will be
* ignored by executables which are strictly
* compliant with the SVR4 ABI.
*
* XXX We have to set both regs and retval here due to different
* XXX calling convention in trap.c and init_main.c.
*/
tf->fixreg[3] = arginfo.ps_nargvstr;
tf->fixreg[4] = (register_t)arginfo.ps_argvstr;
tf->fixreg[5] = (register_t)arginfo.ps_envstr;
tf->fixreg[6] = 0; /* auxillary vector */
tf->fixreg[7] = 0; /* termination vector */
tf->fixreg[8] = (register_t)PS_STRINGS; /* NetBSD extension */
tf->srr0 = entry;
tf->srr1 = PSL_MBO | PSL_USERSET | PSL_FE_DFLT;
p->p_addr->u_pcb.pcb_flags = 0;
}
extern void *extint, *extsize;
extern u_long extint_call;
#if 0
void
install_extint(void (*handler)(void))
{
u_long offset;
int omsr, msr;
offset = (u_long)handler - (u_long)&extint_call;
#ifdef DIAGNOSTIC
if (offset > 0x1ffffff)
panic("install_extint: too far away");
#endif
__asm __volatile ("mfmsr %0; andi. %1,%0,%2; mtmsr %1"
: "=r"(omsr), "=r"(msr) : "K"((u_short)~PSL_EE));
extint_call = (extint_call & 0xfc000003) | offset;
bcopy(&extint, (void *)EXC_EXI, (size_t)&extsize);
__syncicache((void *)&extint_call, sizeof extint_call);
__syncicache((void *)EXC_EXI, (int)&extsize);
__asm __volatile ("mtmsr %0" :: "r"(omsr));
}
#endif
#if !defined(DDB)
void
Debugger(const char *msg)
{
printf("Debugger(\"%s\") called.\n", msg);
}
#endif /* !defined(DDB) */
/* XXX: dummy {fill,set}_[fp]regs */
int
fill_regs(struct proc *p, struct reg *regs)
{
return (ENOSYS);
}
int
fill_fpregs(struct proc *p, struct fpreg *fpregs)
{
return (ENOSYS);
}
int
set_regs(struct proc *p, struct reg *regs)
{
return (ENOSYS);
}
int
set_fpregs(struct proc *p, struct fpreg *fpregs)
{
return (ENOSYS);
}
int
ptrace_set_pc(struct proc *p, unsigned long addr)
{
/* XXX: coming soon... */
return (ENOSYS);
}
int
ptrace_single_step(struct proc *p)
{
/* XXX: coming soon... */
return (ENOSYS);
}
int
ptrace_write_u(struct proc *p, vm_offset_t off, long data)
{
/* XXX: coming soon... */
return (ENOSYS);
}
int
ptrace_read_u_check(struct proc *p, vm_offset_t addr, size_t len)
{
/* XXX: coming soon... */
return (ENOSYS);
}
int
ptrace_clear_single_step(struct proc *p)
{
/* XXX: coming soon... */
return (ENOSYS);
}
/*
* Initialise a struct globaldata.
*/
void
globaldata_init(struct globaldata *globaldata, int cpuid, size_t sz)
{
bzero(globaldata, sz);
globaldata->gd_cpuid = cpuid;
globaldata->gd_next_asn = 0;
globaldata->gd_current_asngen = 1;
}

1747
sys/powerpc/aim/mmu_oea.c Normal file
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131
sys/powerpc/aim/ofw_machdep.c Normal file
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/*
* Copyright (C) 1996 Wolfgang Solfrank.
* Copyright (C) 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: ofw_machdep.c,v 1.5 2000/05/23 13:25:43 tsubai Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/disk.h>
#include <sys/disklabel.h>
#include <sys/fcntl.h>
#include <sys/malloc.h>
#include <sys/stat.h>
#include <dev/ofw/openfirm.h>
#include <machine/powerpc.h>
#define OFMEM_REGIONS 32
static struct mem_region OFmem[OFMEM_REGIONS + 1], OFavail[OFMEM_REGIONS + 3];
extern long ofmsr;
static int (*ofwcall)(void *);
/*
* This is called during powerpc_init, before the system is really initialized.
* It shall provide the total and the available regions of RAM.
* Both lists must have a zero-size entry as terminator.
* The available regions need not take the kernel into account, but needs
* to provide space for two additional entry beyond the terminating one.
*/
void
mem_regions(struct mem_region **memp, struct mem_region **availp)
{
int phandle /*, i, j, cnt*/;
/*
* Get memory.
*/
if ((phandle = OF_finddevice("/memory")) == -1
|| OF_getprop(phandle, "reg",
OFmem, sizeof OFmem[0] * OFMEM_REGIONS)
<= 0
|| OF_getprop(phandle, "available",
OFavail, sizeof OFavail[0] * OFMEM_REGIONS)
<= 0)
panic("no memory?");
*memp = OFmem;
*availp = OFavail;
}
void
set_openfirm_callback(int (*openfirm)(void *))
{
ofwcall = openfirm;
}
int
openfirmware(void *args)
{
long oldmsr;
int result;
__asm( "\t"
"mfmsr %0\n\t"
"mtmsr %1\n\t"
"isync\n"
: "=r" (oldmsr)
: "r" (ofmsr)
);
result = ofwcall(args);
__asm( "\t"
"mtmsr %0\n\t"
"isync\n"
: : "r" (oldmsr)
);
return (result);
}
void
ppc_exit()
{
OF_exit();
}
void
ppc_boot(str)
char *str;
{
OF_boot(str);
}

75
sys/powerpc/aim/ofwmagic.S Normal file
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/* $FreeBSD$ */
/* $NetBSD: ofwmagic.S,v 1.2 1997/10/09 08:38:18 jtc Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Magic note section used by OpenFirmware.
*/
.section ".note"
# note header
# length of name
.long 8
# note descriptor size
.long 20
# note type (IEEE 1275)
.long 0x1275
# name of owner
.asciz "PowerPC"
.balign 4
# note descriptor
# real mode (-1) or virtual mode (0)
.long 0
# real-base
.long -1
# real-size
.long -1
# virt-base
.long -1
# virt-size
.long -1

249
sys/powerpc/aim/swtch.S Normal file
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/* $FreeBSD$ */
/* $NetBSD: locore.S,v 1.24 2000/05/31 05:09:17 thorpej Exp $ */
/*
* Copyright (C) 2001 Benno Rice
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "assym.s"
#include <sys/syscall.h>
#include <machine/trap.h>
#include <machine/param.h>
#include <machine/pmap.h>
#include <machine/psl.h>
#include <machine/asm.h>
/*
* Some instructions gas doesn't understand (yet?)
*/
#define bdneq bdnzf 2,
/*
* No processes are runnable, so loop waiting for one.
* Separate label here for accounting purposes.
*/
#if 0 /* XXX: I think this is now unneeded. Leaving it in just in case. */
ASENTRY(Idle)
mfmsr 3
andi. 3,3,~PSL_EE@l /* disable interrupts while
manipulating runque */
mtmsr 3
lis 8,sched_whichqs@ha
lwz 9,sched_whichqs@l(8)
or. 9,9,9
bne- .Lsw1 /* at least one queue non-empty */
ori 3,3,PSL_EE@l /* reenable ints again */
mtmsr 3
isync
/* Check if we can use power saving mode */
lis 8,powersave@ha
lwz 9,powersave@l(8)
or. 9,9,9
beq 1f
sync
oris 3,3,PSL_POW@h /* enter power saving mode */
mtmsr 3
isync
1:
b _ASM_LABEL(Idle)
#endif /* XXX */
/*
* switchexit gets called from cpu_exit to complete the exit procedure.
*/
ENTRY(switchexit)
/* First switch to the idle pcb/kernel stack */
#if 0 /* XXX */
lis 6,idle_u@ha
lwz 6,idle_u@l(6)
mfsprg 7,0
stw 6,GD_CURPCB(7)
#endif
addi 1,6,USPACE-16 /* 16 bytes are reserved at stack top */
/*
* Schedule the vmspace and stack to be freed (the proc arg is
* already in r3).
*/
bl sys_exit
/* Fall through to cpu_switch to actually select another proc */
li 3,0 /* indicate exited process */
/*
* void cpu_switch(struct proc *p)
* Find a runnable process and switch to it.
*/
/* XXX noprofile? --thorpej@netbsd.org */
ENTRY(cpu_switch)
mflr 0 /* save lr */
stw 0,4(1)
stwu 1,-16(1)
stw 31,12(1)
stw 30,8(1)
mr 30,3
mfsprg 3,0
xor 31,31,31
stw 31,GD_CURPROC(3) /* Zero to not accumulate cpu time */
mfsprg 3,0
lwz 31,GD_CURPCB(3)
xor 3,3,3
#if 0 /* XXX */
bl lcsplx
#endif
stw 3,PCB_SPL(31) /* save spl */
/* Find a new process */
bl chooseproc
1:
/* just did this resched thing */
xor 3,3,3
lis 4,want_resched@ha
stw 3,want_resched@l(4)
/* record new process */
mfsprg 4,0
stw 3,GD_CURPROC(4)
cmpl 0,31,30 /* is it the same process? */
beq switch_return
or. 30,30,30 /* old process was exiting? */
beq switch_exited
mfsr 10,USER_SR /* save USER_SR for copyin/copyout */
mfcr 11 /* save cr */
mr 12,2 /* save r2 */
stwu 1,-SFRAMELEN(1) /* still running on old stack */
stmw 10,8(1)
lwz 3,P_ADDR(30)
stw 1,PCB_SP(3) /* save SP */
switch_exited:
mfmsr 3
andi. 3,3,~PSL_EE@l /* disable interrupts while
actually switching */
mtmsr 3
/* indicate new pcb */
lwz 4,P_ADDR(31)
mfsprg 5,0
stw 4,GD_CURPCB(5)
#if 0 /* XXX */
/* save real pmap pointer for spill fill */
lwz 5,PCB_PMR(4)
lis 6,curpm@ha
stwu 5,curpm@l(6)
stwcx. 5,0,6 /* clear possible reservation */
#endif
addic. 5,5,64
li 6,0
mfsr 8,KERNEL_SR /* save kernel SR */
1:
addis 6,6,-0x10000000@ha /* set new procs segment registers */
or. 6,6,6 /* This is done from the real
address pmap */
lwzu 7,-4(5) /* so we don't have to worry */
mtsrin 7,6 /* about accessibility */
bne 1b
mtsr KERNEL_SR,8 /* restore kernel SR */
isync
lwz 1,PCB_SP(4) /* get new procs SP */
ori 3,3,PSL_EE@l /* interrupts are okay again */
mtmsr 3
lmw 10,8(1) /* get other regs */
lwz 1,0(1) /* get saved SP */
mr 2,12 /* get saved r2 */
mtcr 11 /* get saved cr */
isync
mtsr USER_SR,10 /* get saved USER_SR */
isync
switch_return:
mr 30,7 /* save proc pointer */
lwz 3,PCB_SPL(4)
#if 0 /* XXX */
bl lcsplx
#endif
mr 3,30 /* get curproc for special fork
returns */
lwz 31,12(1)
lwz 30,8(1)
addi 1,1,16
lwz 0,4(1)
mtlr 0
blr
/*
* Fake savectx for the time being.
*/
ENTRY(savectx)
blr

607
sys/powerpc/aim/trap.c Normal file
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/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: trap.c,v 1.26 2000/05/27 00:40:40 sommerfeld Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include "opt_ddb.h"
#include "opt_ktrace.h"
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/reboot.h>
#include <sys/syscall.h>
#include <sys/systm.h>
#include <sys/uio.h>
#include <sys/user.h>
#include <sys/ktrace.h>
#include <vm/vm.h>
#include <vm/vm_kern.h>
#include <vm/pmap.h>
#include <machine/cpu.h>
#include <machine/frame.h>
#include <machine/pcb.h>
#include <machine/psl.h>
#include <machine/trap.h>
/* These definitions should probably be somewhere else XXX */
#define FIRSTARG 3 /* first argument is in reg 3 */
#define NARGREG 8 /* 8 args are in registers */
#define MOREARGS(sp) ((caddr_t)((int)(sp) + 8)) /* more args go here */
volatile int astpending;
volatile int want_resched;
#if 0 /* XXX: not used yet */
static int fix_unaligned __P((struct proc *p, struct trapframe *frame));
#endif
void
trap(struct trapframe *frame)
{
#if 0 /* XXX: This code hasn't been reworked yet. */
struct proc *p;
int type;
u_quad_t sticks;
p = curproc;
type = frame->exc;
if (frame->srr1 & PSL_PR) {
type |= EXC_USER;
sticks = p->p_sticks;
}
switch (type) {
case EXC_TRC|EXC_USER:
frame->srr1 &= ~PSL_SE;
trapsignal(p, SIGTRAP, EXC_TRC);
break;
case EXC_DSI:
{
vm_map_t map;
vaddr_t va;
int ftype;
faultbuf *fb;
map = kernel_map;
va = frame->dar;
if ((va >> ADDR_SR_SHFT) == USER_SR) {
sr_t user_sr;
__asm ("mfsr %0, %1"
: "=r"(user_sr) : "K"(USER_SR));
va &= ADDR_PIDX | ADDR_POFF;
va |= user_sr << ADDR_SR_SHFT;
map = &p->p_vmspace->vm_map;
}
if (frame->dsisr & DSISR_STORE)
ftype = VM_PROT_READ | VM_PROT_WRITE;
else
ftype = VM_PROT_READ;
if (uvm_fault(map, trunc_page(va), 0, ftype)
== KERN_SUCCESS)
return;
if (fb = p->p_addr->u_pcb.pcb_onfault) {
frame->srr0 = (*fb)[0];
frame->fixreg[1] = (*fb)[1];
frame->fixreg[2] = (*fb)[2];
frame->cr = (*fb)[3];
bcopy(&(*fb)[4], &frame->fixreg[13],
19 * sizeof(register_t));
return;
}
map = kernel_map;
}
goto brain_damage;
case EXC_DSI|EXC_USER:
{
int ftype, rv;
if (frame->dsisr & DSISR_STORE)
ftype = VM_PROT_READ | VM_PROT_WRITE;
else
ftype = VM_PROT_READ;
if ((rv = uvm_fault(&p->p_vmspace->vm_map,
trunc_page(frame->dar), 0, ftype))
== KERN_SUCCESS)
break;
if (rv == KERN_RESOURCE_SHORTAGE) {
printf("UVM: pid %d (%s), uid %d killed: "
"out of swap\n",
p->p_pid, p->p_comm,
p->p_cred && p->p_ucred ?
p->p_ucred->cr_uid : -1);
trapsignal(p, SIGKILL, EXC_DSI);
} else {
trapsignal(p, SIGSEGV, EXC_DSI);
}
}
break;
case EXC_ISI|EXC_USER:
{
int ftype;
ftype = VM_PROT_READ | VM_PROT_EXECUTE;
if (uvm_fault(&p->p_vmspace->vm_map,
trunc_page(frame->srr0), 0, ftype)
== KERN_SUCCESS)
break;
}
trapsignal(p, SIGSEGV, EXC_ISI);
break;
case EXC_SC|EXC_USER:
{
struct sysent *callp;
size_t argsize;
register_t code, error;
register_t *params, rval[2];
int nsys, n;
register_t args[10];
uvmexp.syscalls++;
nsys = p->p_emul->e_nsysent;
callp = p->p_emul->e_sysent;
code = frame->fixreg[0];
params = frame->fixreg + FIRSTARG;
switch (code) {
case SYS_syscall:
/*
* code is first argument,
* followed by actual args.
*/
code = *params++;
break;
case SYS___syscall:
/*
* Like syscall, but code is a quad,
* so as to maintain quad alignment
* for the rest of the args.
*/
if (callp != sysent)
break;
params++;
code = *params++;
break;
default:
break;
}
if (code < 0 || code >= nsys)
callp += p->p_emul->e_nosys;
else
callp += code;
argsize = callp->sy_argsize;
n = NARGREG - (params - (frame->fixreg + FIRSTARG));
if (argsize > n * sizeof(register_t)) {
bcopy(params, args, n * sizeof(register_t));
if (error = copyin(MOREARGS(frame->fixreg[1]),
args + n,
argsize - n * sizeof(register_t))) {
#ifdef KTRACE
/* Can't get all the arguments! */
if (KTRPOINT(p, KTR_SYSCALL))
ktrsyscall(p, code, argsize,
args);
#endif
goto syscall_bad;
}
params = args;
}
#ifdef KTRACE
if (KTRPOINT(p, KTR_SYSCALL))
ktrsyscall(p, code, argsize, params);
#endif
rval[0] = 0;
rval[1] = frame->fixreg[FIRSTARG + 1];
switch (error = (*callp->sy_call)(p, params, rval)) {
case 0:
frame->fixreg[FIRSTARG] = rval[0];
frame->fixreg[FIRSTARG + 1] = rval[1];
frame->cr &= ~0x10000000;
break;
case ERESTART:
/*
* Set user's pc back to redo the system call.
*/
frame->srr0 -= 4;
break;
case EJUSTRETURN:
/* nothing to do */
break;
default:
syscall_bad:
if (p->p_emul->e_errno)
error = p->p_emul->e_errno[error];
frame->fixreg[FIRSTARG] = error;
frame->cr |= 0x10000000;
break;
}
#ifdef KTRACE
if (KTRPOINT(p, KTR_SYSRET))
ktrsysret(p, code, error, rval[0]);
#endif
}
break;
case EXC_FPU|EXC_USER:
if (fpuproc)
save_fpu(fpuproc);
fpuproc = p;
enable_fpu(p);
break;
case EXC_AST|EXC_USER:
/* This is just here that we trap */
break;
case EXC_ALI|EXC_USER:
if (fix_unaligned(p, frame) != 0)
trapsignal(p, SIGBUS, EXC_ALI);
else
frame->srr0 += 4;
break;
case EXC_PGM|EXC_USER:
/* XXX temporarily */
if (frame->srr1 & 0x0002000)
trapsignal(p, SIGTRAP, EXC_PGM);
else
trapsignal(p, SIGILL, EXC_PGM);
break;
case EXC_MCHK:
{
faultbuf *fb;
if (fb = p->p_addr->u_pcb.pcb_onfault) {
frame->srr0 = (*fb)[0];
frame->fixreg[1] = (*fb)[1];
frame->fixreg[2] = (*fb)[2];
frame->cr = (*fb)[3];
bcopy(&(*fb)[4], &frame->fixreg[13],
19 * sizeof(register_t));
return;
}
}
goto brain_damage;
default:
brain_damage:
printf("trap type %x at %x\n", type, frame->srr0);
#ifdef DDB
Debugger(); /* XXX temporarily */
#endif
#ifdef TRAP_PANICWAIT
printf("Press a key to panic.\n");
cngetc();
#endif
panic("trap");
}
astpending = 0; /* we are about to do it */
uvmexp.softs++;
if (p->p_flag & P_OWEUPC) {
p->p_flag &= ~P_OWEUPC;
ADDUPROF(p);
}
/* take pending signals */
{
int sig;
while (sig = CURSIG(p))
postsig(sig);
}
p->p_priority = p->p_usrpri;
if (want_resched) {
int sig;
/*
* We are being preempted.
*/
preempt(NULL);
while (sig = CURSIG(p))
postsig(sig);
}
/*
* If profiling, charge recent system time to the trapped pc.
*/
if (p->p_flag & P_PROFIL) {
extern int psratio;
addupc_task(p, frame->srr0,
(int)(p->p_sticks - sticks) * psratio);
}
/*
* If someone stole the fpu while we were away, disable it
*/
if (p != fpuproc)
frame->srr1 &= ~PSL_FP;
curcpu()->ci_schedstate.spc_curpriority = p->p_priority;
#endif
}
#if 0 /* XXX: child_return not used */
void
child_return(void *arg)
{
struct proc *p;
struct trapframe *tf;
p = arg;
tf = trapframe(p);
tf->fixreg[FIRSTARG] = 0;
tf->fixreg[FIRSTARG + 1] = 1;
tf->cr &= ~0x10000000;
tf->srr1 &= ~PSL_FP; /* Disable FPU, as we can't be fpuproc */
#ifdef KTRACE
if (KTRPOINT(p, KTR_SYSRET))
ktrsysret(p, SYS_fork, 0, 0);
#endif
/* Profiling? XXX */
curcpu()->ci_schedstate.spc_curpriority = p->p_priority;
}
#endif
static __inline void
setusr(int content)
{
__asm __volatile ("isync; mtsr %0,%1; isync"
:: "n"(USER_SR), "r"(content));
}
int
copyin(udaddr, kaddr, len)
const void *udaddr;
void *kaddr;
size_t len;
{
const char *up;
char *kp;
char *p;
size_t l;
faultbuf env;
up = udaddr;
kp = kaddr;
#if 0
if (setfault(env)) {
curpcb->pcb_onfault = 0;
return EFAULT;
}
#endif
while (len > 0) {
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
setusr(curpcb->pcb_pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
bcopy(p, kp, l);
up += l;
kp += l;
len -= l;
}
curpcb->pcb_onfault = 0;
return 0;
}
int
copyout(kaddr, udaddr, len)
const void *kaddr;
void *udaddr;
size_t len;
{
const char *kp;
char *up;
char *p;
size_t l;
faultbuf env;
kp = kaddr;
up = udaddr;
#if 0
if (setfault(env)) {
curpcb->pcb_onfault = 0;
return EFAULT;
}
#endif
while (len > 0) {
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
setusr(curpcb->pcb_pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
bcopy(kp, p, l);
up += l;
kp += l;
len -= l;
}
curpcb->pcb_onfault = 0;
return 0;
}
#if 0 /* XXX: not used yet */
/*
* kcopy(const void *src, void *dst, size_t len);
*
* Copy len bytes from src to dst, aborting if we encounter a fatal
* page fault.
*
* kcopy() _must_ save and restore the old fault handler since it is
* called by uiomove(), which may be in the path of servicing a non-fatal
* page fault.
*/
int
kcopy(const void *src, void *dst, size_t len)
{
faultbuf env, *oldfault;
oldfault = curpcb->pcb_onfault;
if (setfault(env)) {
curpcb->pcb_onfault = oldfault;
return EFAULT;
}
bcopy(src, dst, len);
curpcb->pcb_onfault = oldfault;
return 0;
}
int
badaddr(void *addr, size_t size)
{
return badaddr_read(addr, size, NULL);
}
int
badaddr_read(void *addr, size_t size, int *rptr)
{
faultbuf env;
int x;
/* Get rid of any stale machine checks that have been waiting. */
__asm __volatile ("sync; isync");
if (setfault(env)) {
curpcb->pcb_onfault = 0;
__asm __volatile ("sync");
return 1;
}
__asm __volatile ("sync");
switch (size) {
case 1:
x = *(volatile int8_t *)addr;
break;
case 2:
x = *(volatile int16_t *)addr;
break;
case 4:
x = *(volatile int32_t *)addr;
break;
default:
panic("badaddr: invalid size (%d)", size);
}
/* Make sure we took the machine check, if we caused one. */
__asm __volatile ("sync; isync");
curpcb->pcb_onfault = 0;
__asm __volatile ("sync"); /* To be sure. */
/* Use the value to avoid reorder. */
if (rptr)
*rptr = x;
return 0;
}
#endif
/*
* For now, this only deals with the particular unaligned access case
* that gcc tends to generate. Eventually it should handle all of the
* possibilities that can happen on a 32-bit PowerPC in big-endian mode.
*/
#if 0 /* XXX: Not used yet */
static int
fix_unaligned(p, frame)
struct proc *p;
struct trapframe *frame;
{
int indicator;
indicator = EXC_ALI_OPCODE_INDICATOR(frame->dsisr);
switch (indicator) {
case EXC_ALI_LFD:
case EXC_ALI_STFD:
{
int reg = EXC_ALI_RST(frame->dsisr);
double *fpr = &p->p_addr->u_pcb.pcb_fpu.fpr[reg];
/* Juggle the FPU to ensure that we've initialized
* the FPRs, and that their current state is in
* the PCB.
*/
if (fpuproc != p) {
if (fpuproc)
save_fpu(fpuproc);
enable_fpu(p);
}
save_fpu(p);
if (indicator == EXC_ALI_LFD) {
if (copyin((void *)frame->dar, fpr,
sizeof(double)) != 0)
return -1;
enable_fpu(p);
} else {
if (copyout(fpr, (void *)frame->dar,
sizeof(double)) != 0)
return -1;
}
return 0;
}
break;
}
return -1;
}
#endif
void
userret(struct proc *p, struct trapframe *frame, u_quad_t oticks)
{
/* XXX: Coming soon */
return;
}

172
sys/powerpc/include/bat.h Normal file
View File

@ -0,0 +1,172 @@
/*-
* Copyright (c) 1999 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: bat.h,v 1.2 1999/12/18 01:36:06 thorpej Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_BAT_H_
#define _MACHINE_BAT_H_
struct bat {
u_int32_t batu;
u_int32_t batl;
};
/* Lower BAT bits (all but PowerPC 601): */
#define BAT_PBS 0xfffe0000 /* physical block start */
#define BAT_W 0x00000040 /* 1 = write-through, 0 = write-back */
#define BAT_I 0x00000020 /* cache inhibit */
#define BAT_M 0x00000010 /* memory coherency enable */
#define BAT_G 0x00000008 /* guarded region */
#define BAT_PP_NONE 0x00000000 /* no access permission */
#define BAT_PP_RO_S 0x00000001 /* read-only (soft) */
#define BAT_PP_RW 0x00000002 /* read/write */
#define BAT_PP_RO 0x00000003 /* read-only */
/* Upper BAT bits (all but PowerPC 601): */
#define BAT_EBS 0xfffe0000 /* effective block start */
#define BAT_BL 0x00001ffc /* block length */
#define BAT_Vs 0x00000002 /* valid in supervisor mode */
#define BAT_Vu 0x00000001 /* valid in user mode */
#define BAT_V (BAT_Vs|BAT_Vu)
/* Block Length encoding (all but PowerPC 601): */
#define BAT_BL_128K 0x00000000
#define BAT_BL_256K 0x00000004
#define BAT_BL_512K 0x0000000c
#define BAT_BL_1M 0x0000001c
#define BAT_BL_2M 0x0000003c
#define BAT_BL_4M 0x0000007c
#define BAT_BL_8M 0x000000fc
#define BAT_BL_16M 0x000001fc
#define BAT_BL_32M 0x000003fc
#define BAT_BL_64M 0x000007fc
#define BAT_BL_128M 0x00000ffc
#define BAT_BL_256M 0x00001ffc
#define BATU(va, len, v) \
(((va) & BAT_EBS) | ((len) & BAT_BL) | ((v) & BAT_V))
#define BATL(pa, wimg, pp) \
(((pa) & BAT_PBS) | (wimg) | (pp))
/* Lower BAT bits (PowerPC 601): */
#define BAT601_PBN 0xfffe0000 /* physical block number */
#define BAT601_V 0x00000040 /* valid */
#define BAT601_BSM 0x0000003f /* block size mask */
/* Upper BAT bits (PowerPC 601): */
#define BAT601_BLPI 0xfffe0000 /* block logical page index */
#define BAT601_W 0x00000040 /* 1 = write-through, 0 = write-back */
#define BAT601_I 0x00000020 /* cache inhibit */
#define BAT601_M 0x00000010 /* memory coherency enable */
#define BAT601_Ks 0x00000008 /* key-supervisor */
#define BAT601_Ku 0x00000004 /* key-user */
/*
* Permission bits on the PowerPC 601 are modified by the appropriate
* Key bit:
*
* Key PP Access
* 0 NONE read/write
* 0 RO_S read/write
* 0 RW read/write
* 0 RO read-only
*
* 1 NONE none
* 1 RO_S read-only
* 1 RW read/write
* 1 RO read-only
*/
#define BAT601_PP_NONE 0x00000000 /* no access permission */
#define BAT601_PP_RO_S 0x00000001 /* read-only (soft) */
#define BAT601_PP_RW 0x00000002 /* read/write */
#define BAT601_PP_RO 0x00000003 /* read-only */
/* Block Size Mask encoding (PowerPC 601): */
#define BAT601_BSM_128K 0x00000000
#define BAT601_BSM_256K 0x00000001
#define BAT601_BSM_512K 0x00000003
#define BAT601_BSM_1M 0x00000007
#define BAT601_BSM_2M 0x0000000f
#define BAT601_BSM_4M 0x0000001f
#define BAT601_BSM_8M 0x0000003f
#define BATU601(va, wim, key, pp) \
(((va) & BAT601_BLPI) | (wim) | (key) | (pp))
#define BATL601(pa, size, v) \
(((pa) & BAT601_PBN) | (v) | (size))
#ifdef _KERNEL
extern struct bat battable[16];
#endif
#endif /* _MACHINE_BAT_H_ */

802
sys/powerpc/include/bus.h Normal file
View File

@ -0,0 +1,802 @@
/*-
* Copyright (c) 1996, 1997, 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe of the Numerical Aerospace Simulation Facility,
* NASA Ames Research Center.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (c) 1996 Charles M. Hannum. All rights reserved.
* Copyright (c) 1996 Christopher G. Demetriou. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by Christopher G. Demetriou
* for the NetBSD Project.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: bus.h,v 1.9.4.1 2000/06/30 16:27:30 simonb Exp $
* $FreeBSD$
*/
#ifndef _MACPPC_BUS_H_
#define _MACPPC_BUS_H_
#include <machine/pio.h>
/*
* Values for the macppc bus space tag, not to be used directly by MI code.
*/
#define __BUS_SPACE_HAS_STREAM_METHODS
#define MACPPC_BUS_ADDR_MASK 0xfffff000
#define MACPPC_BUS_STRIDE_MASK 0x0000000f
#define macppc_make_bus_space_tag(addr, stride) \
(((addr) & MACPPC_BUS_ADDR_MASK) | (stride))
#define __BA(t, h, o) ((void *)((h) + ((o) << ((t) & MACPPC_BUS_STRIDE_MASK))))
/*
* Bus address and size types
*/
typedef u_int32_t bus_addr_t;
typedef u_int32_t bus_size_t;
/*
* Access methods for bus resources and address space.
*/
typedef u_int32_t bus_space_tag_t;
typedef u_int32_t bus_space_handle_t;
/*
* int bus_space_map __P((bus_space_tag_t t, bus_addr_t addr,
* bus_size_t size, int flags, bus_space_handle_t *bshp));
*
* Map a region of bus space.
*/
#define BUS_SPACE_MAP_CACHEABLE 0x01
#define BUS_SPACE_MAP_LINEAR 0x02
#define BUS_SPACE_MAP_PREFETCHABLE 0x04
extern void *mapiodev(vm_offset_t, vm_size_t);
static __inline int
bus_space_map(bus_space_tag_t t, bus_addr_t addr, bus_size_t size, int flags,
bus_space_handle_t *bshp)
{
vm_offset_t base = t & MACPPC_BUS_ADDR_MASK;
int stride = t & MACPPC_BUS_STRIDE_MASK;
*bshp = (bus_space_handle_t)
mapiodev(base + (addr << stride), size << stride);
return 0;
}
/*
* int bus_space_unmap __P((bus_space_tag_t t,
* bus_space_handle_t bsh, bus_size_t size));
*
* Unmap a region of bus space.
*/
#define bus_space_unmap(t, bsh, size)
/*
* int bus_space_subregion __P((bus_space_tag_t t,
* bus_space_handle_t bsh, bus_size_t offset, bus_size_t size,
* bus_space_handle_t *nbshp));
*
* Get a new handle for a subregion of an already-mapped area of bus space.
*/
#define bus_space_subregion(t, bsh, offset, size, bshp) \
((*(bshp) = (bus_space_handle_t)__BA(t, bsh, offset)), 0)
/*
* int bus_space_alloc __P((bus_space_tag_t t, bus_addr_t rstart,
* bus_addr_t rend, bus_size_t size, bus_size_t align,
* bus_size_t boundary, int flags, bus_addr_t *addrp,
* bus_space_handle_t *bshp));
*
* Allocate a region of bus space.
*/
#if 0
#define bus_space_alloc(t, rs, re, s, a, b, f, ap, hp) !!! unimplemented !!!
#endif
/*
* int bus_space_free __P((bus_space_tag_t t,
* bus_space_handle_t bsh, bus_size_t size));
*
* Free a region of bus space.
*/
#if 0
#define bus_space_free(t, h, s) !!! unimplemented !!!
#endif
/*
* u_intN_t bus_space_read_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset));
*
* Read a 1, 2, 4, or 8 byte quantity from bus space
* described by tag/handle/offset.
*/
#define bus_space_read_1(t, h, o) (in8(__BA(t, h, o)))
#define bus_space_read_2(t, h, o) (in16rb(__BA(t, h, o)))
#define bus_space_read_4(t, h, o) (in32rb(__BA(t, h, o)))
#if 0 /* Cause a link error for bus_space_read_8 */
#define bus_space_read_8(t, h, o) !!! unimplemented !!!
#endif
#define bus_space_read_stream_1(t, h, o) (in8(__BA(t, h, o)))
#define bus_space_read_stream_2(t, h, o) (in16(__BA(t, h, o)))
#define bus_space_read_stream_4(t, h, o) (in32(__BA(t, h, o)))
#if 0 /* Cause a link error for bus_space_read_stream_8 */
#define bus_space_read_8(t, h, o) !!! unimplemented !!!
#endif
/*
* void bus_space_read_multi_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* u_intN_t *addr, size_t count));
*
* Read `count' 1, 2, 4, or 8 byte quantities from bus space
* described by tag/handle/offset and copy into buffer provided.
*/
#define bus_space_read_multi_1(t, h, o, a, c) do { \
ins8(__BA(t, h, o), (a), (c)); \
} while (0)
#define bus_space_read_multi_2(t, h, o, a, c) do { \
ins16rb(__BA(t, h, o), (a), (c)); \
} while (0)
#define bus_space_read_multi_4(t, h, o, a, c) do { \
ins32rb(__BA(t, h, o), (a), (c)); \
} while (0)
#if 0 /* Cause a link error for bus_space_read_multi_8 */
#define bus_space_read_multi_8 !!! unimplemented !!!
#endif
#define bus_space_read_multi_stream_1(t, h, o, a, c) do { \
ins8(__BA(t, h, o), (a), (c)); \
} while (0)
#define bus_space_read_multi_stream_2(t, h, o, a, c) do { \
ins16(__BA(t, h, o), (a), (c)); \
} while (0)
#define bus_space_read_multi_stream_4(t, h, o, a, c) do { \
ins32(__BA(t, h, o), (a), (c)); \
} while (0)
#if 0 /* Cause a link error for bus_space_read_multi_stream_8 */
#define bus_space_read_multi_stream_8 !!! unimplemented !!!
#endif
/*
* void bus_space_read_region_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* u_intN_t *addr, size_t count));
*
* Read `count' 1, 2, 4, or 8 byte quantities from bus space
* described by tag/handle and starting at `offset' and copy into
* buffer provided.
*/
static __inline void
bus_space_read_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int8_t *addr, size_t count)
{
volatile u_int8_t *s = __BA(tag, bsh, offset);
while (count--)
*addr++ = *s++;
__asm __volatile("eieio; sync");
}
static __inline void
bus_space_read_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int16_t *addr, size_t count)
{
volatile u_int16_t *s = __BA(tag, bsh, offset);
while (count--)
__asm __volatile("lhbrx %0, 0, %1" :
"=r"(*addr++) : "r"(s++));
__asm __volatile("eieio; sync");
}
static __inline void
bus_space_read_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int32_t *addr, size_t count)
{
volatile u_int32_t *s = __BA(tag, bsh, offset);
while (count--)
__asm __volatile("lwbrx %0, 0, %1" :
"=r"(*addr++) : "r"(s++));
__asm __volatile("eieio; sync");
}
#if 0 /* Cause a link error for bus_space_read_region_8 */
#define bus_space_read_region_8 !!! unimplemented !!!
#endif
static __inline void
bus_space_read_region_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int16_t *addr, size_t count)
{
volatile u_int16_t *s = __BA(tag, bsh, offset);
while (count--)
*addr++ = *s++;
__asm __volatile("eieio; sync");
}
static __inline void
bus_space_read_region_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int32_t *addr, size_t count)
{
volatile u_int32_t *s = __BA(tag, bsh, offset);
while (count--)
*addr++ = *s++;
__asm __volatile("eieio; sync");
}
#if 0 /* Cause a link error */
#define bus_space_read_region_stream_8 !!! unimplemented !!!
#endif
/*
* void bus_space_write_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* u_intN_t value));
*
* Write the 1, 2, 4, or 8 byte value `value' to bus space
* described by tag/handle/offset.
*/
#define bus_space_write_1(t, h, o, v) out8(__BA(t, h, o), (v))
#define bus_space_write_2(t, h, o, v) out16rb(__BA(t, h, o), (v))
#define bus_space_write_4(t, h, o, v) out32rb(__BA(t, h, o), (v))
#define bus_space_write_stream_1(t, h, o, v) out8(__BA(t, h, o), (v))
#define bus_space_write_stream_2(t, h, o, v) out16(__BA(t, h, o), (v))
#define bus_space_write_stream_4(t, h, o, v) out32(__BA(t, h, o), (v))
#if 0 /* Cause a link error for bus_space_write_8 */
#define bus_space_write_8 !!! unimplemented !!!
#endif
/*
* void bus_space_write_multi_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* const u_intN_t *addr, size_t count));
*
* Write `count' 1, 2, 4, or 8 byte quantities from the buffer
* provided to bus space described by tag/handle/offset.
*/
#define bus_space_write_multi_1(t, h, o, a, c) do { \
outsb(__BA(t, h, o), (a), (c)); \
} while (0)
#define bus_space_write_multi_2(t, h, o, a, c) do { \
outsw(__BA(t, h, o), (a), (c)); \
} while (0)
#define bus_space_write_multi_4(t, h, o, a, c) do { \
outsl(__BA(t, h, o), (a), (c)); \
} while (0)
#if 0
#define bus_space_write_multi_8 !!! unimplemented !!!
#endif
#define bus_space_write_multi_stream_2(t, h, o, a, c) do { \
outsw(__BA(t, h, o), (a), (c)); \
} while (0)
#define bus_space_write_multi_stream_4(t, h, o, a, c) do { \
outsl(__BA(t, h, o), (a), (c)); \
} while (0)
#if 0
#define bus_space_write_multi_stream_8 !!! unimplemented !!!
#endif
/*
* void bus_space_write_region_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* const u_intN_t *addr, size_t count));
*
* Write `count' 1, 2, 4, or 8 byte quantities from the buffer provided
* to bus space described by tag/handle starting at `offset'.
*/
static __inline void
bus_space_write_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int8_t *addr, size_t count)
{
volatile u_int8_t *d = __BA(tag, bsh, offset);
while (count--)
*d++ = *addr++;
__asm __volatile("eieio; sync");
}
static __inline void
bus_space_write_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int16_t *addr, size_t count)
{
volatile u_int16_t *d = __BA(tag, bsh, offset);
while (count--)
__asm __volatile("sthbrx %0, 0, %1" ::
"r"(*addr++), "r"(d++));
__asm __volatile("eieio; sync");
}
static __inline void
bus_space_write_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int32_t *addr, size_t count)
{
volatile u_int32_t *d = __BA(tag, bsh, offset);
while (count--)
__asm __volatile("stwbrx %0, 0, %1" ::
"r"(*addr++), "r"(d++));
__asm __volatile("eieio; sync");
}
#if 0
#define bus_space_write_region_8 !!! bus_space_write_region_8 unimplemented !!!
#endif
static __inline void
bus_space_write_region_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int16_t *addr, size_t count)
{
volatile u_int16_t *d = __BA(tag, bsh, offset);
while (count--)
*d++ = *addr++;
__asm __volatile("eieio; sync");
}
static __inline void
bus_space_write_region_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, const u_int32_t *addr, size_t count)
{
volatile u_int32_t *d = __BA(tag, bsh, offset);
while (count--)
*d++ = *addr++;
__asm __volatile("eieio; sync");
}
#if 0
#define bus_space_write_region_stream_8 !!! unimplemented !!!
#endif
/*
* void bus_space_set_multi_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
* size_t count));
*
* Write the 1, 2, 4, or 8 byte value `val' to bus space described
* by tag/handle/offset `count' times.
*/
static __inline void
bus_space_set_multi_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int8_t val, size_t count)
{
volatile u_int8_t *d = __BA(tag, bsh, offset);
while (count--)
*d = val;
__asm __volatile("eieio; sync");
}
static __inline void
bus_space_set_multi_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int16_t val, size_t count)
{
volatile u_int16_t *d = __BA(tag, bsh, offset);
while (count--)
__asm __volatile("sthbrx %0, 0, %1" ::
"r"(val), "r"(d));
__asm __volatile("eieio; sync");
}
static __inline void
bus_space_set_multi_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int32_t val, size_t count)
{
volatile u_int32_t *d = __BA(tag, bsh, offset);
while (count--)
__asm __volatile("stwbrx %0, 0, %1" ::
"r"(val), "r"(d));
__asm __volatile("eieio; sync");
}
#if 0
#define bus_space_set_multi_8 !!! bus_space_set_multi_8 unimplemented !!!
#endif
static __inline void
bus_space_set_multi_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int16_t val, size_t count)
{
volatile u_int16_t *d = __BA(tag, bsh, offset);
while (count--)
*d = val;
__asm __volatile("eieio; sync");
}
static __inline void
bus_space_set_multi_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int32_t val, size_t count)
{
volatile u_int32_t *d = __BA(tag, bsh, offset);
while (count--)
*d = val;
__asm __volatile("eieio; sync");
}
#if 0
#define bus_space_set_multi_stream_8 !!! unimplemented !!!
#endif
/*
* void bus_space_set_region_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset, u_intN_t val,
* size_t count));
*
* Write `count' 1, 2, 4, or 8 byte value `val' to bus space described
* by tag/handle starting at `offset'.
*/
static __inline void
bus_space_set_region_1(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int8_t val, size_t count)
{
volatile u_int8_t *d = __BA(tag, bsh, offset);
while (count--)
*d++ = val;
__asm __volatile("eieio; sync");
}
static __inline void
bus_space_set_region_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int16_t val, size_t count)
{
volatile u_int16_t *d = __BA(tag, bsh, offset);
while (count--)
__asm __volatile("sthbrx %0, 0, %1" ::
"r"(val), "r"(d++));
__asm __volatile("eieio; sync");
}
static __inline void
bus_space_set_region_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int32_t val, size_t count)
{
volatile u_int32_t *d = __BA(tag, bsh, offset);
while (count--)
__asm __volatile("stwbrx %0, 0, %1" ::
"r"(val), "r"(d++));
__asm __volatile("eieio; sync");
}
#if 0
#define bus_space_set_region_8 !!! bus_space_set_region_8 unimplemented !!!
#endif
static __inline void
bus_space_set_region_stream_2(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int16_t val, size_t count)
{
volatile u_int16_t *d = __BA(tag, bsh, offset);
while (count--)
*d++ = val;
__asm __volatile("eieio; sync");
}
static __inline void
bus_space_set_region_stream_4(bus_space_tag_t tag, bus_space_handle_t bsh,
bus_size_t offset, u_int32_t val, size_t count)
{
volatile u_int32_t *d = __BA(tag, bsh, offset);
while (count--)
*d++ = val;
__asm __volatile("eieio; sync");
}
#if 0
#define bus_space_set_region_stream_8 !!! unimplemented !!!
#endif
/*
* void bus_space_copy_region_N __P((bus_space_tag_t tag,
* bus_space_handle_t bsh1, bus_size_t off1,
* bus_space_handle_t bsh2, bus_size_t off2,
* size_t count));
*
* Copy `count' 1, 2, 4, or 8 byte values from bus space starting
* at tag/bsh1/off1 to bus space starting at tag/bsh2/off2.
*/
/* XXX IMPLEMENT bus_space_copy_N() XXX */
/*
* Bus read/write barrier methods.
*
* void bus_space_barrier __P((bus_space_tag_t tag,
* bus_space_handle_t bsh, bus_size_t offset,
* bus_size_t len, int flags));
*
* Note: the macppc does not currently require barriers, but we must
* provide the flags to MI code.
*/
#define bus_space_barrier(t, h, o, l, f) \
((void)((void)(t), (void)(h), (void)(o), (void)(l), (void)(f)))
#define BUS_SPACE_BARRIER_READ 0x01 /* force read barrier */
#define BUS_SPACE_BARRIER_WRITE 0x02 /* force write barrier */
#define BUS_SPACE_ALIGNED_POINTER(p, t) ALIGNED_POINTER(p, t)
/*
* Bus DMA methods.
*/
/*
* Flags used in various bus DMA methods.
*/
#define BUS_DMA_WAITOK 0x00 /* safe to sleep (pseudo-flag) */
#define BUS_DMA_NOWAIT 0x01 /* not safe to sleep */
#define BUS_DMA_ALLOCNOW 0x02 /* perform resource allocation now */
#define BUS_DMA_COHERENT 0x04 /* hint: map memory DMA coherent */
#define BUS_DMA_BUS1 0x10 /* placeholders for bus functions... */
#define BUS_DMA_BUS2 0x20
#define BUS_DMA_BUS3 0x40
#define BUS_DMA_BUS4 0x80
/* Forwards needed by prototypes below. */
struct mbuf;
struct uio;
/*
* Operations performed by bus_dmamap_sync().
*/
#define BUS_DMASYNC_PREREAD 0x01 /* pre-read synchronization */
#define BUS_DMASYNC_POSTREAD 0x02 /* post-read synchronization */
#define BUS_DMASYNC_PREWRITE 0x04 /* pre-write synchronization */
#define BUS_DMASYNC_POSTWRITE 0x08 /* post-write synchronization */
typedef struct macppc_bus_dma_tag *bus_dma_tag_t;
typedef struct macppc_bus_dmamap *bus_dmamap_t;
/*
* bus_dma_segment_t
*
* Describes a single contiguous DMA transaction. Values
* are suitable for programming into DMA registers.
*/
struct macppc_bus_dma_segment {
bus_addr_t ds_addr; /* DMA address */
bus_size_t ds_len; /* length of transfer */
};
typedef struct macppc_bus_dma_segment bus_dma_segment_t;
/*
* bus_dma_tag_t
*
* A machine-dependent opaque type describing the implementation of
* DMA for a given bus.
*/
struct macppc_bus_dma_tag {
/*
* The `bounce threshold' is checked while we are loading
* the DMA map. If the physical address of the segment
* exceeds the threshold, an error will be returned. The
* caller can then take whatever action is necessary to
* bounce the transfer. If this value is 0, it will be
* ignored.
*/
bus_addr_t _bounce_thresh;
/*
* DMA mapping methods.
*/
int (*_dmamap_create) __P((bus_dma_tag_t, bus_size_t, int,
bus_size_t, bus_size_t, int, bus_dmamap_t *));
void (*_dmamap_destroy) __P((bus_dma_tag_t, bus_dmamap_t));
int (*_dmamap_load) __P((bus_dma_tag_t, bus_dmamap_t, void *,
bus_size_t, struct proc *, int));
int (*_dmamap_load_mbuf) __P((bus_dma_tag_t, bus_dmamap_t,
struct mbuf *, int));
int (*_dmamap_load_uio) __P((bus_dma_tag_t, bus_dmamap_t,
struct uio *, int));
int (*_dmamap_load_raw) __P((bus_dma_tag_t, bus_dmamap_t,
bus_dma_segment_t *, int, bus_size_t, int));
void (*_dmamap_unload) __P((bus_dma_tag_t, bus_dmamap_t));
void (*_dmamap_sync) __P((bus_dma_tag_t, bus_dmamap_t,
bus_addr_t, bus_size_t, int));
/*
* DMA memory utility functions.
*/
int (*_dmamem_alloc) __P((bus_dma_tag_t, bus_size_t, bus_size_t,
bus_size_t, bus_dma_segment_t *, int, int *, int));
void (*_dmamem_free) __P((bus_dma_tag_t,
bus_dma_segment_t *, int));
int (*_dmamem_map) __P((bus_dma_tag_t, bus_dma_segment_t *,
int, size_t, caddr_t *, int));
void (*_dmamem_unmap) __P((bus_dma_tag_t, caddr_t, size_t));
vm_offset_t (*_dmamem_mmap) __P((bus_dma_tag_t, bus_dma_segment_t *,
int, off_t, int, int));
};
#define bus_dmamap_create(t, s, n, m, b, f, p) \
(*(t)->_dmamap_create)((t), (s), (n), (m), (b), (f), (p))
#define bus_dmamap_destroy(t, p) \
(*(t)->_dmamap_destroy)((t), (p))
#define bus_dmamap_load(t, m, b, s, p, f) \
(*(t)->_dmamap_load)((t), (m), (b), (s), (p), (f))
#define bus_dmamap_load_mbuf(t, m, b, f) \
(*(t)->_dmamap_load_mbuf)((t), (m), (b), (f))
#define bus_dmamap_load_uio(t, m, u, f) \
(*(t)->_dmamap_load_uio)((t), (m), (u), (f))
#define bus_dmamap_load_raw(t, m, sg, n, s, f) \
(*(t)->_dmamap_load_raw)((t), (m), (sg), (n), (s), (f))
#define bus_dmamap_unload(t, p) \
(*(t)->_dmamap_unload)((t), (p))
#define bus_dmamap_sync(t, p, o, l, ops) \
(void)((t)->_dmamap_sync ? \
(*(t)->_dmamap_sync)((t), (p), (o), (l), (ops)) : (void)0)
#define bus_dmamem_alloc(t, s, a, b, sg, n, r, f) \
(*(t)->_dmamem_alloc)((t), (s), (a), (b), (sg), (n), (r), (f))
#define bus_dmamem_free(t, sg, n) \
(*(t)->_dmamem_free)((t), (sg), (n))
#define bus_dmamem_map(t, sg, n, s, k, f) \
(*(t)->_dmamem_map)((t), (sg), (n), (s), (k), (f))
#define bus_dmamem_unmap(t, k, s) \
(*(t)->_dmamem_unmap)((t), (k), (s))
#define bus_dmamem_mmap(t, sg, n, o, p, f) \
(*(t)->_dmamem_mmap)((t), (sg), (n), (o), (p), (f))
/*
* bus_dmamap_t
*
* Describes a DMA mapping.
*/
struct macppc_bus_dmamap {
/*
* PRIVATE MEMBERS: not for use my machine-independent code.
*/
bus_size_t _dm_size; /* largest DMA transfer mappable */
int _dm_segcnt; /* number of segs this map can map */
bus_size_t _dm_maxsegsz; /* largest possible segment */
bus_size_t _dm_boundary; /* don't cross this */
bus_addr_t _dm_bounce_thresh; /* bounce threshold; see tag */
int _dm_flags; /* misc. flags */
void *_dm_cookie; /* cookie for bus-specific functions */
/*
* PUBLIC MEMBERS: these are used by machine-independent code.
*/
bus_size_t dm_mapsize; /* size of the mapping */
int dm_nsegs; /* # valid segments in mapping */
bus_dma_segment_t dm_segs[1]; /* segments; variable length */
};
#ifdef _MACPPC_BUS_DMA_PRIVATE
int _bus_dmamap_create __P((bus_dma_tag_t, bus_size_t, int, bus_size_t,
bus_size_t, int, bus_dmamap_t *));
void _bus_dmamap_destroy __P((bus_dma_tag_t, bus_dmamap_t));
int _bus_dmamap_load __P((bus_dma_tag_t, bus_dmamap_t, void *,
bus_size_t, struct proc *, int));
int _bus_dmamap_load_mbuf __P((bus_dma_tag_t, bus_dmamap_t,
struct mbuf *, int));
int _bus_dmamap_load_uio __P((bus_dma_tag_t, bus_dmamap_t,
struct uio *, int));
int _bus_dmamap_load_raw __P((bus_dma_tag_t, bus_dmamap_t,
bus_dma_segment_t *, int, bus_size_t, int));
void _bus_dmamap_unload __P((bus_dma_tag_t, bus_dmamap_t));
void _bus_dmamap_sync __P((bus_dma_tag_t, bus_dmamap_t, bus_addr_t,
bus_size_t, int));
int _bus_dmamem_alloc __P((bus_dma_tag_t tag, bus_size_t size,
bus_size_t alignment, bus_size_t boundary,
bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags));
void _bus_dmamem_free __P((bus_dma_tag_t tag, bus_dma_segment_t *segs,
int nsegs));
int _bus_dmamem_map __P((bus_dma_tag_t tag, bus_dma_segment_t *segs,
int nsegs, size_t size, caddr_t *kvap, int flags));
void _bus_dmamem_unmap __P((bus_dma_tag_t tag, caddr_t kva,
size_t size));
vm_offset_t _bus_dmamem_mmap __P((bus_dma_tag_t tag,
bus_dma_segment_t *segs,
int nsegs, off_t off, int prot, int flags));
int _bus_dmamem_alloc_range __P((bus_dma_tag_t tag, bus_size_t size,
bus_size_t alignment, bus_size_t boundary,
bus_dma_segment_t *segs, int nsegs, int *rsegs, int flags,
vm_offset_t low, vm_offset_t high));
#endif /* _MACPPC_BUS_DMA_PRIVATE */
#endif /* _MACPPC_BUS_H_ */

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/*
* Copyright (C) 1995-1997 Wolfgang Solfrank.
* Copyright (C) 1995-1997 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: cpu.h,v 1.11 2000/05/26 21:19:53 thorpej Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_CPU_H_
#define _MACHINE_CPU_H_
#include <machine/frame.h>
#include <machine/pcb.h>
#include <machine/psl.h>
#define CLKF_USERMODE(frame) (((frame)->srr1 & PSL_PR) != 0)
#define CLKF_BASEPRI(frame) ((frame)->pri == 0)
#define CLKF_PC(frame) ((frame)->srr0)
#define CLKF_INTR(frame) ((frame)->depth > 0)
#define cpu_swapout(p)
#define cpu_number() 0
extern void delay __P((unsigned));
#define DELAY(n) delay(n)
extern int want_resched;
extern int astpending;
#define need_proftick(p) ((p)->p_flag |= PS_OWEUPC, astpending = 1)
extern char bootpath[];
#if defined(_KERNEL) || defined(_STANDALONE)
#define CACHELINESIZE 32
#endif
extern void __syncicache __P((void *, int));
/*
* CTL_MACHDEP definitions.
*/
#define CPU_CACHELINE 1
#define CPU_MAXID 2
#define CPU_CONSDEV 1
#define CTL_MACHDEP_NAMES { \
{ 0, 0 }, \
{ "cachelinesize", CTLTYPE_INT }, \
}
static __inline u_int64_t
get_cyclecount(void)
{
u_int32_t upper, lower;
u_int64_t time;
__asm __volatile(
"mftb %0\n"
"mftbu %1"
: "=r" (lower), "=r" (upper));
time = (u_int64_t)upper;
time = (time << 32) + lower;
return (time);
}
#define cpu_getstack(p) ((p)->p_md.md_regs[1])
void savectx __P((struct pcb *));
#endif /* _MACHINE_CPU_H_ */

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/*
* Mach Operating System
* Copyright (c) 1992 Carnegie Mellon University
* All Rights Reserved.
*
* Permission to use, copy, modify and distribute this software and its
* documentation is hereby granted, provided that both the copyright
* notice and this permission notice appear in all copies of the
* software, derivative works or modified versions, and any portions
* thereof, and that both notices appear in supporting documentation.
*
* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS"
* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR
* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE.
*
* Carnegie Mellon requests users of this software to return to
*
* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU
* School of Computer Science
* Carnegie Mellon University
* Pittsburgh PA 15213-3890
*
* any improvements or extensions that they make and grant Carnegie Mellon
* the rights to redistribute these changes.
*
* $OpenBSD: db_machdep.h,v 1.2 1997/03/21 00:48:48 niklas Exp $
* $NetBSD: db_machdep.h,v 1.4.22.1 2000/08/05 11:10:43 wiz Exp $
* $FreeBSD$
*/
/*
* Machine-dependent defines for new kernel debugger.
*/
#ifndef _PPC_DB_MACHDEP_H_
#define _PPC_DB_MACHDEP_H_
#include <vm/vm_param.h>
#define DB_ELF_SYMBOLS
#define DB_ELFSIZE 32
typedef vm_offset_t db_addr_t; /* address - unsigned */
typedef long db_expr_t; /* expression - signed */
struct powerpc_saved_state {
u_int32_t r[32]; /* data registers */
u_int32_t iar;
u_int32_t msr;
};
typedef struct powerpc_saved_state db_regs_t;
db_regs_t ddb_regs; /* register state */
#define DDB_REGS (&ddb_regs)
#define PC_REGS(regs) ((db_addr_t)(regs)->iar)
#define BKPT_INST 0x7C810808 /* breakpoint instruction */
#define BKPT_SIZE (4) /* size of breakpoint inst */
#define BKPT_SET(inst) (BKPT_INST)
#define FIXUP_PC_AFTER_BREAK(regs) ((regs)->iar -= 4)
#define SR_SINGLESTEP 0x400
#define db_clear_single_step(regs) ((regs)->msr &= ~SR_SINGLESTEP)
#define db_set_single_step(regs) ((regs)->msr |= SR_SINGLESTEP)
#define T_BREAKPOINT 0xffff
#define IS_BREAKPOINT_TRAP(type, code) ((type) == T_BREAKPOINT)
#define T_WATCHPOINT 0xeeee
#ifdef T_WATCHPOINT
#define IS_WATCHPOINT_TRAP(type, code) ((type) == T_WATCHPOINT)
#else
#define IS_WATCHPOINT_TRAP(type, code) 0
#endif
#define M_RTS 0xfc0007fe
#define I_RTS 0x4c000020
#define M_BC 0xfc000000
#define I_BC 0x40000000
#define M_B 0xfc000000
#define I_B 0x50000000
#define M_RFI 0xfc0007fe
#define I_RFI 0x4c000064
#define inst_trap_return(ins) (((ins)&M_RFI) == I_RFI)
#define inst_return(ins) (((ins)&M_RTS) == I_RTS)
#define inst_call(ins) (((ins)&M_BC ) == I_BC || \
((ins)&M_B ) == I_B )
#define inst_load(ins) 0
#define inst_store(ins) 0
#ifdef _KERNEL
void kdb_kintr __P((void *));
int kdb_trap __P((int, void *));
#endif /* _KERNEL */
#endif /* _PPC_DB_MACHDEP_H_ */

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/*-
* Copyright (C) 1996 Wolfgang Solfrank.
* Copyright (C) 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: fpu.h,v 1.2 1999/12/07 15:14:56 danw Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_FPU_H_
#define _MACHINE_FPU_H_
#define FPSCR_FX 0x80000000
#define FPSCR_FEX 0x40000000
#define FPSCR_VX 0x20000000
#define FPSCR_OX 0x10000000
#define FPSCR_UX 0x08000000
#define FPSCR_ZX 0x04000000
#define FPSCR_XX 0x02000000
#define FPSCR_VXSNAN 0x01000000
#define FPSCR_VXISI 0x00800000
#define FPSCR_VXIDI 0x00400000
#define FPSCR_VXZDZ 0x00200000
#define FPSCR_VXIMZ 0x00100000
#define FPSCR_VXVC 0x00080000
#define FPSCR_FR 0x00040000
#define FPSCR_FI 0x00020000
#define FPSCR_FPRF 0x0001f000
#define FPSCR_C 0x00010000
#define FPSCR_FPCC 0x0000f000
#define FPSCR_FL 0x00008000
#define FPSCR_FG 0x00004000
#define FPSCR_FE 0x00002000
#define FPSCR_FU 0x00001000
#define FPSCR_VXSOFT 0x00000400
#define FPSCR_VXSQRT 0x00000200
#define FPSCR_VXCVI 0x00000100
#define FPSCR_VE 0x00000080
#define FPSCR_OE 0x00000040
#define FPSCR_UE 0x00000020
#define FPSCR_ZE 0x00000010
#define FPSCR_XE 0x00000008
#define FPSCR_NI 0x00000004
#define FPSCR_RN 0x00000003
#endif /* _MACHINE_FPU_H_ */

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/*-
* Copyright (c) 1998 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Charles M. Hannum.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: intr.h,v 1.6 2000/02/11 13:15:44 tsubai Exp $
* $FreeBSD$
*/
#ifndef _MACPPC_INTR_H_
#define _MACPPC_INTR_H_
/* Interrupt priority `levels'. */
#define IPL_NONE 9 /* nothing */
#define IPL_SOFTCLOCK 8 /* timeouts */
#define IPL_SOFTNET 7 /* protocol stacks */
#define IPL_BIO 6 /* block I/O */
#define IPL_NET 5 /* network */
#define IPL_SOFTSERIAL 4 /* serial */
#define IPL_TTY 3 /* terminal */
#define IPL_IMP 3 /* memory allocation */
#define IPL_AUDIO 2 /* audio */
#define IPL_CLOCK 1 /* clock */
#define IPL_HIGH 1 /* everything */
#define IPL_SERIAL 0 /* serial */
#define NIPL 10
/* Interrupt sharing types. */
#define IST_NONE 0 /* none */
#define IST_PULSE 1 /* pulsed */
#define IST_EDGE 2 /* edge-triggered */
#define IST_LEVEL 3 /* level-triggered */
#ifndef LOCORE
#if 0
/*
* Interrupt handler chains. intr_establish() inserts a handler into
* the list. The handler is called with its (single) argument.
*/
struct intrhand {
int (*ih_fun) __P((void *));
void *ih_arg;
u_long ih_count;
struct intrhand *ih_next;
int ih_level;
int ih_irq;
};
#endif
void setsoftclock __P((void));
void clearsoftclock __P((void));
void setsoftnet __P((void));
void clearsoftnet __P((void));
void do_pending_int __P((void));
static __inline void softintr __P((int));
extern u_int cpl, ipending, tickspending;
extern int imask[];
/* Following code should be implemented with lwarx/stwcx to avoid
* the disable/enable. i need to read the manual once more.... */
static __inline void
softintr(ipl)
int ipl;
{
int msrsave;
__asm__ volatile("mfmsr %0" : "=r"(msrsave));
__asm__ volatile("mtmsr %0" :: "r"(msrsave & ~PSL_EE));
ipending |= 1 << ipl;
__asm__ volatile("mtmsr %0" :: "r"(msrsave));
}
#define ICU_LEN 64
/* Soft interrupt masks. */
#define SIR_CLOCK 28
#define SIR_NET 29
#define SIR_SERIAL 30
#define SPL_CLOCK 31
#if 0
/*
* Hardware interrupt masks
*/
#define splbio() splraise(imask[IPL_BIO])
#define splnet() splraise(imask[IPL_NET])
#define spltty() splraise(imask[IPL_TTY])
#define splaudio() splraise(imask[IPL_AUDIO])
#define splclock() splraise(imask[IPL_CLOCK])
#define splstatclock() splclock()
#define splserial() splraise(imask[IPL_SERIAL])
#define spllpt() spltty()
/*
* Software interrupt masks
*
* NOTE: splsoftclock() is used by hardclock() to lower the priority from
* clock to softclock before it calls softclock().
*/
#define spllowersoftclock() spllower(imask[IPL_SOFTCLOCK])
#define splsoftclock() splraise(imask[IPL_SOFTCLOCK])
#define splsoftnet() splraise(imask[IPL_SOFTNET])
#define splsoftserial() splraise(imask[IPL_SOFTSERIAL])
/*
* Miscellaneous
*/
#define splimp() splraise(imask[IPL_IMP])
#define splhigh() splraise(imask[IPL_HIGH])
#define spl0() spllower(0)
#endif /* 0 */
#define setsoftclock() softintr(SIR_CLOCK)
#define setsoftnet() softintr(SIR_NET)
#define setsoftserial() softintr(SIR_SERIAL)
#define CNT_IRQ0 0
#define CNT_CLOCK 64
#define CNT_SOFTCLOCK 65
#define CNT_SOFTNET 66
#define CNT_SOFTSERIAL 67
#endif /* !LOCORE */
#endif /* !_MACPPC_INTR_H_ */

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/*-
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: pcb.h,v 1.4 2000/06/04 11:57:17 tsubai Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_PCB_H_
#define _MACHINE_PCB_H_
typedef int faultbuf[23];
struct pcb {
struct pmap *pcb_pm; /* pmap of our vmspace */
struct pmap *pcb_pmreal; /* real address of above */
register_t pcb_sp; /* saved SP */
int pcb_spl; /* saved SPL */
faultbuf *pcb_onfault; /* For use during copyin/copyout */
int pcb_flags;
#define PCB_FPU 1 /* Process had FPU initialized */
struct fpu {
double fpr[32];
double fpscr; /* FPSCR stored as double for easier access */
} pcb_fpu; /* Floating point processor */
};
struct md_coredump {
struct trapframe frame;
struct fpu fpstate;
};
#ifdef _KERNEL
#ifndef curpcb
extern struct pcb *curpcb;
#endif
extern struct pmap *curpm;
extern struct proc *fpuproc;
#endif
#endif /* _MACHINE_PCB_H_ */

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/*
* Copyright (c) 1997 Per Fogelstrom, Opsycon AB and RTMX Inc, USA.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed under OpenBSD by
* Per Fogelstrom Opsycon AB for RTMX Inc, North Carolina, USA.
* 4. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS
* OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
* WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY
* DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*
* $NetBSD: pio.h,v 1.1 1998/05/15 10:15:54 tsubai Exp $
* $OpenBSD: pio.h,v 1.1 1997/10/13 10:53:47 pefo Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_PIO_H_
#define _MACHINE_PIO_H_
/*
* I/O macros.
*/
static __inline void
__outb(volatile u_int8_t *a, u_int8_t v)
{
*a = v;
__asm__ volatile("eieio; sync");
}
static __inline void
__outw(volatile u_int16_t *a, u_int16_t v)
{
*a = v;
__asm__ volatile("eieio; sync");
}
static __inline void
__outl(volatile u_int32_t *a, u_int32_t v)
{
*a = v;
__asm__ volatile("eieio; sync");
}
static __inline void
__outwrb(volatile u_int16_t *a, u_int16_t v)
{
__asm__ volatile("sthbrx %0, 0, %1" :: "r"(v), "r"(a));
__asm__ volatile("eieio; sync");
}
static __inline void
__outlrb(volatile u_int32_t *a, u_int32_t v)
{
__asm__ volatile("stwbrx %0, 0, %1" :: "r"(v), "r"(a));
__asm__ volatile("eieio; sync");
}
static __inline u_int8_t
__inb(volatile u_int8_t *a)
{
u_int8_t _v_;
_v_ = *a;
__asm__ volatile("eieio; sync");
return _v_;
}
static __inline u_int16_t
__inw(volatile u_int16_t *a)
{
u_int16_t _v_;
_v_ = *a;
__asm__ volatile("eieio; sync");
return _v_;
}
static __inline u_int32_t
__inl(volatile u_int32_t *a)
{
u_int32_t _v_;
_v_ = *a;
__asm__ volatile("eieio; sync");
return _v_;
}
static __inline u_int16_t
__inwrb(volatile u_int16_t *a)
{
u_int16_t _v_;
__asm__ volatile("lhbrx %0, 0, %1" : "=r"(_v_) : "r"(a));
__asm__ volatile("eieio; sync");
return _v_;
}
static __inline u_int32_t
__inlrb(volatile u_int32_t *a)
{
u_int32_t _v_;
__asm__ volatile("lwbrx %0, 0, %1" : "=r"(_v_) : "r"(a));
__asm__ volatile("eieio; sync");
return _v_;
}
#define outb(a,v) (__outb((volatile u_int8_t *)(a), v))
#define out8(a,v) outb(a,v)
#define outw(a,v) (__outw((volatile u_int16_t *)(a), v))
#define out16(a,v) outw(a,v)
#define outl(a,v) (__outl((volatile u_int32_t *)(a), v))
#define out32(a,v) outl(a,v)
#define inb(a) (__inb((volatile u_int8_t *)(a)))
#define in8(a) inb(a)
#define inw(a) (__inw((volatile u_int16_t *)(a)))
#define in16(a) inw(a)
#define inl(a) (__inl((volatile u_int32_t *)(a)))
#define in32(a) inl(a)
#define out8rb(a,v) outb(a,v)
#define outwrb(a,v) (__outwrb((volatile u_int16_t *)(a), v))
#define out16rb(a,v) outwrb(a,v)
#define outlrb(a,v) (__outlrb((volatile u_int32_t *)(a), v))
#define out32rb(a,v) outlrb(a,v)
#define in8rb(a) inb(a)
#define inwrb(a) (__inwrb((volatile u_int16_t *)(a)))
#define in16rb(a) inwrb(a)
#define inlrb(a) (__inlrb((volatile u_int32_t *)(a)))
#define in32rb(a) inlrb(a)
static __inline void
__outsb(volatile u_int8_t *a, const u_int8_t *s, size_t c)
{
while (c--)
*a = *s++;
__asm__ volatile("eieio; sync");
}
static __inline void
__outsw(volatile u_int16_t *a, const u_int16_t *s, size_t c)
{
while (c--)
*a = *s++;
__asm__ volatile("eieio; sync");
}
static __inline void
__outsl(volatile u_int32_t *a, const u_int32_t *s, size_t c)
{
while (c--)
*a = *s++;
__asm__ volatile("eieio; sync");
}
static __inline void
__outswrb(volatile u_int16_t *a, const u_int16_t *s, size_t c)
{
while (c--)
__asm__ volatile("sthbrx %0, 0, %1" :: "r"(*s++), "r"(a));
__asm__ volatile("eieio; sync");
}
static __inline void
__outslrb(volatile u_int32_t *a, const u_int32_t *s, size_t c)
{
while (c--)
__asm__ volatile("stwbrx %0, 0, %1" :: "r"(*s++), "r"(a));
__asm__ volatile("eieio; sync");
}
static __inline void
__insb(volatile u_int8_t *a, u_int8_t *d, size_t c)
{
while (c--)
*d++ = *a;
__asm__ volatile("eieio; sync");
}
static __inline void
__insw(volatile u_int16_t *a, u_int16_t *d, size_t c)
{
while (c--)
*d++ = *a;
__asm__ volatile("eieio; sync");
}
static __inline void
__insl(volatile u_int32_t *a, u_int32_t *d, size_t c)
{
while (c--)
*d++ = *a;
__asm__ volatile("eieio; sync");
}
static __inline void
__inswrb(volatile u_int16_t *a, u_int16_t *d, size_t c)
{
while (c--)
__asm__ volatile("lhbrx %0, 0, %1" : "=r"(*d++) : "r"(a));
__asm__ volatile("eieio; sync");
}
static __inline void
__inslrb(volatile u_int32_t *a, u_int32_t *d, size_t c)
{
while (c--)
__asm__ volatile("lwbrx %0, 0, %1" : "=r"(*d++) : "r"(a));
__asm__ volatile("eieio; sync");
}
#define outsb(a,s,c) (__outsb((volatile u_int8_t *)(a), s, c))
#define outs8(a,s,c) outsb(a,s,c)
#define outsw(a,s,c) (__outsw((volatile u_int16_t *)(a), s, c))
#define outs16(a,s,c) outsw(a,s,c)
#define outsl(a,s,c) (__outsl((volatile u_int32_t *)(a), s, c))
#define outs32(a,s,c) outsl(a,s,c)
#define insb(a,d,c) (__insb((volatile u_int8_t *)(a), d, c))
#define ins8(a,d,c) insb(a,d,c)
#define insw(a,d,c) (__insw((volatile u_int16_t *)(a), d, c))
#define ins16(a,d,c) insw(a,d,c)
#define insl(a,d,c) (__insl((volatile u_int32_t *)(a), d, c))
#define ins32(a,d,c) insl(a,d,c)
#define outs8rb(a,s,c) outsb(a,s,c)
#define outswrb(a,s,c) (__outswrb((volatile u_int16_t *)(a), s, c))
#define outs16rb(a,s,c) outswrb(a,s,c)
#define outslrb(a,s,c) (__outslrb((volatile u_int32_t *)(a), s, c))
#define outs32rb(a,s,c) outslrb(a,s,c)
#define ins8rb(a,d,c) insb(a,d,c)
#define inswrb(a,d,c) (__inswrb((volatile u_int16_t *)(a), d, c))
#define ins16rb(a,d,c) inswrb(a,d,c)
#define inslrb(a,d,c) (__inslrb((volatile u_int32_t *)(a), d, c))
#define ins32rb(a,d,c) inslrb(a,d,c)
#endif /*_MACHINE_PIO_H_*/

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/*-
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: pmap.h,v 1.17 2000/03/30 16:18:24 jdolecek Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_PMAP_H_
#define _MACHINE_PMAP_H_
#include <machine/pte.h>
/*
* Segment registers
*/
#ifndef LOCORE
typedef u_int sr_t;
#endif /* LOCORE */
#define SR_TYPE 0x80000000
#define SR_SUKEY 0x40000000
#define SR_PRKEY 0x20000000
#define SR_VSID 0x00ffffff
#ifndef LOCORE
struct pv_entry {
struct pv_entry *pv_next; /* Linked list of mappings */
int pv_idx; /* Index into ptable */
vm_offset_t pv_va; /* virtual address of mapping */
};
struct md_page {
int pv_list_count;
int pv_flags;
TAILQ_HEAD(,pv_entry) pv_list;
};
/*
* Pmap stuff
*/
struct pmap {
sr_t pm_sr[16]; /* segments used in this pmap */
int pm_refs; /* ref count */
struct pmap_statistics pm_stats; /* pmap statistics */
};
typedef struct pmap *pmap_t;
typedef struct pv_entry *pv_entry_t;
#ifdef _KERNEL
#define pmap_clear_modify(pg) (ptemodify((pg), PTE_CHG, 0))
#define pmap_clear_reference(pg) (ptemodify((pg), PTE_REF, 0))
#define pmap_is_modified(pg) (ptebits((pg), PTE_CHG))
#define pmap_is_referenced(pg) (ptebits((pg), PTE_REF))
#define pmap_unwire(pm, va)
#define pmap_phys_address(x) (x)
#define pmap_resident_count(pmap) ((pmap)->pm_stats.resident_count)
extern pmap_t kernel_pmap;
extern vm_offset_t avail_end;
extern vm_offset_t avail_start;
extern vm_offset_t phys_avail[];
extern vm_offset_t virtual_avail;
extern vm_offset_t virtual_end;
void pmap_bootstrap __P((u_int kernelstart, u_int kernelend));
vm_offset_t pmap_steal_memory __P((vm_size_t));
boolean_t ptemodify __P((struct vm_page *, u_int, u_int));
int ptebits __P((struct vm_page *, int));
#if 0
#define PMAP_NEED_PROCWR
void pmap_procwr __P((struct proc *, vaddr_t, size_t));
#endif
/*
* Alternate mapping hooks for pool pages. Avoids thrashing the TLB.
*
* Note: This won't work if we have more memory than can be direct-mapped
* VA==PA all at once. But pmap_copy_page() and pmap_zero_page() will have
* this problem, too.
*/
#define PMAP_MAP_POOLPAGE(pa) (pa)
#define PMAP_UNMAP_POOLPAGE(pa) (pa)
#define vtophys(va) pmap_kextract(((vm_offset_t) (va)))
extern pte_t PTmap[];
#define vtopte(x) (PTmap + powerpc_btop(x))
static __inline vm_offset_t
pmap_kextract(vm_offset_t va)
{
/* XXX: coming soon... */
return (0);
}
#endif /* _KERNEL */
#endif /* LOCORE */
#endif /* _MACHINE_PMAP_H_ */

59
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/*
* Copyright (C) 1996 Wolfgang Solfrank.
* Copyright (C) 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: powerpc.h,v 1.3 2000/06/01 00:49:59 matt Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_POWERPC_H_
#define _MACHINE_POWERPC_H_
struct mem_region {
vm_offset_t start;
vm_size_t size;
};
void mem_regions __P((struct mem_region **, struct mem_region **));
/*
* These two functions get used solely in boot() in machdep.c.
*
* Not sure whether boot itself should be implementation dependent instead. XXX
*/
void ppc_exit __P((void));
void ppc_boot __P((char *bootspec));
int dk_match __P((char *name));
void ofrootfound __P((void));
extern int booted_partition;
#endif /* _MACHINE_POWERPC_H_ */

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/*-
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: proc.h,v 1.2 1997/04/16 22:57:48 thorpej Exp $
* $FreeBSD$
*/
#include <machine/globals.h>
/*
* Machine-dependent part of the proc structure
*/
struct mdproc {
int md_regs[32];
};

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/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: psl.h,v 1.4 2000/02/13 10:25:07 tsubai Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_PSL_H_
#define _MACHINE_PSL_H_
/*
* Machine State Register (MSR)
*
* The PowerPC 601 does not implement the following bits:
*
* POW, ILE, BE, RI, LE[*]
*
* [*] Little-endian mode on the 601 is implemented in the HID0 register.
*/
#define PSL_POW 0x00040000 /* power management */
#define PSL_ILE 0x00010000 /* interrupt endian mode (1 == le) */
#define PSL_EE 0x00008000 /* external interrupt enable */
#define PSL_PR 0x00004000 /* privilege mode (1 == user) */
#define PSL_FP 0x00002000 /* floating point enable */
#define PSL_ME 0x00001000 /* machine check enable */
#define PSL_FE0 0x00000800 /* floating point interrupt mode 0 */
#define PSL_SE 0x00000400 /* single-step trace enable */
#define PSL_BE 0x00000200 /* branch trace enable */
#define PSL_FE1 0x00000100 /* floating point interrupt mode 1 */
#define PSL_IP 0x00000040 /* interrupt prefix */
#define PSL_IR 0x00000020 /* instruction address relocation */
#define PSL_DR 0x00000010 /* data address relocation */
#define PSL_RI 0x00000002 /* recoverable interrupt */
#define PSL_LE 0x00000001 /* endian mode (1 == le) */
#define PSL_601_MASK ~(PSL_POW|PSL_ILE|PSL_BE|PSL_RI|PSL_LE)
/*
* Floating-point exception modes:
*/
#define PSL_FE_DIS 0 /* none */
#define PSL_FE_NONREC PSL_FE1 /* imprecise non-recoverable */
#define PSL_FE_REC PSL_FE0 /* imprecise recoverable */
#define PSL_FE_PREC (PSL_FE0 | PSL_FE1) /* precise */
#define PSL_FE_DFLT PSL_FE_DIS /* default == none */
/*
* Note that PSL_POW and PSL_ILE are not in the saved copy of the MSR
*/
#define PSL_MBO 0
#define PSL_MBZ 0
#define PSL_USERSET (PSL_EE | PSL_PR | PSL_ME | PSL_IR | PSL_DR | PSL_RI)
#define PSL_USERSTATIC (PSL_USERSET | PSL_IP | 0x87c0008c)
#endif /* _MACHINE_PSL_H_ */

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/*-
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: pte.h,v 1.2 1998/08/31 14:43:40 tsubai Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_PTE_H_
#define _MACHINE_PTE_H_
/*
* Page Table Entries
*/
#ifndef LOCORE
#include <sys/queue.h>
struct pte {
u_int pte_hi;
u_int pte_lo;
};
#endif /* LOCORE */
/* High word: */
#define PTE_VALID 0x80000000
#define PTE_VSID_SHFT 7
#define PTE_HID 0x00000040
#define PTE_API 0x0000003f
/* Low word: */
#define PTE_RPGN 0xfffff000
#define PTE_REF 0x00000100
#define PTE_CHG 0x00000080
#define PTE_WIMG 0x00000078
#define PTE_W 0x00000040
#define PTE_I 0x00000020
#define PTE_M 0x00000010
#define PTE_G 0x00000008
#define PTE_PP 0x00000003
#define PTE_RO 0x00000003
#define PTE_RW 0x00000002
#ifndef LOCORE
typedef struct pte pte_t;
#endif /* LOCORE */
/*
* Extract bits from address
*/
#define ADDR_SR_SHFT 28
#define ADDR_PIDX 0x0ffff000
#define ADDR_PIDX_SHFT 12
#define ADDR_API_SHFT 22
#define ADDR_POFF 0x00000fff
#ifndef LOCORE
#ifdef _KERNEL
extern pte_t *ptable;
extern int ptab_cnt;
#endif /* _KERNEL */
#endif /* LOCORE */
/*
* Bits in DSISR:
*/
#define DSISR_DIRECT 0x80000000
#define DSISR_NOTFOUND 0x40000000
#define DSISR_PROTECT 0x08000000
#define DSISR_INVRX 0x04000000
#define DSISR_STORE 0x02000000
#define DSISR_DABR 0x00400000
#define DSISR_SEGMENT 0x00200000
#define DSISR_EAR 0x00100000
/*
* Bits in SRR1 on ISI:
*/
#define ISSRR1_NOTFOUND 0x40000000
#define ISSRR1_DIRECT 0x10000000
#define ISSRR1_PROTECT 0x08000000
#define ISSRR1_SEGMENT 0x00200000
#ifdef _KERNEL
#ifndef LOCORE
extern u_int dsisr __P((void));
#endif /* _KERNEL */
#endif /* LOCORE */
#endif /* _MACHINE_PTE_H_ */

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/* $NetBSD: reg.h,v 1.4 2000/06/04 09:30:44 tsubai Exp $ */
/* $FreeBSD$ */
#ifndef _POWERPC_REG_H_
#define _POWERPC_REG_H_
struct reg {
register_t fixreg[32];
register_t lr;
int cr;
int xer;
register_t ctr;
register_t pc;
};
struct fpreg {
double fpreg[32];
double fpscr;
};
struct dbreg {
unsigned long junk;
};
void setregs(struct proc *, u_long, u_long, u_long);
#endif /* _POWERPC_REG_H_ */

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/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: signal.h,v 1.4 1998/09/14 02:48:34 thorpej Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_SIGNAL_H_
#define _MACHINE_SIGNAL_H_
#define MINSIGSTKSZ (512 * 4)
typedef int sig_atomic_t;
typedef unsigned int osigset_t;
#if !defined(_ANSI_SOURCE) && !defined(_POSIX_C_SOURCE) && \
!defined(_XOPEN_SOURCE)
#include <machine/frame.h>
#if defined(__LIBC12_SOURCE__) || defined(_KERNEL)
struct sigcontext13 {
int sc_onstack; /* saved onstack flag */
int sc_mask; /* saved signal mask (old style) */
struct trapframe sc_frame; /* saved registers */
};
#endif /* __LIBC12_SOURCE__ || _KERNEL */
struct osigcontext {
int sc_onstack; /* saved onstack flag */
int __sc_mask13; /* saved signal mask (old style) */
struct trapframe sc_frame; /* saved registers */
sigset_t sc_mask; /* saved signal mask (new style) */
};
struct sigcontext {
int sc_onstack; /* saved onstack flag */
int __sc_mask13; /* saved signal mask (old style) */
struct trapframe sc_frame; /* saved registers */
sigset_t sc_mask; /* saved signal mask (new style) */
};
#endif /* !_ANSI_SOURCE && !_POSIX_C_SOURCE && !_XOPEN_SOURCE */
#endif /* !_MACHINE_SIGNAL_H_ */

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/*-
* Copyright (c) 2000 Tsubai Masanari. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: stdarg.h,v 1.5 2000/02/27 17:50:21 tsubai Exp $
* $FreeBSD$
*/
#ifndef _POWERPC_STDARG_H_
#define _POWERPC_STDARG_H_
#include <machine/ansi.h>
#if 0
typedef struct {
char __gpr; /* GPR offset */
char __fpr; /* FPR offset */
/* char __pad[2]; */
char *__stack; /* args passed on stack */
char *__base; /* args passed by registers (r3-r10, f1-f8) */
} va_list;
#endif
typedef _BSD_VA_LIST_ va_list;
#ifdef __lint__
#define va_start(ap, last) ((ap) = *(va_list *)0)
#define va_arg(ap, type) (*(type *)(void *)&(ap))
#else
#define va_start(ap, last) \
(__builtin_next_arg(last), \
(ap).__stack = __va_stack_args, \
(ap).__base = __va_reg_args, \
(ap).__gpr = __va_first_gpr, \
(ap).__fpr = __va_first_fpr)
#define __va_first_gpr (__builtin_args_info(0))
#define __va_first_fpr (__builtin_args_info(1) - 32 - 1)
#define __va_stack_args \
((char *)__builtin_saveregs() + \
(__va_first_gpr >= 8 ? __va_first_gpr - 8 : 0) * sizeof(int))
#define __va_reg_args \
((char *)__builtin_frame_address(0) + __builtin_args_info(4))
#define __INTEGER_TYPE_CLASS 1
#define __REAL_TYPE_CLASS 8
#define __RECORD_TYPE_CLASS 12
#define __va_longlong(type) \
(__builtin_classify_type(*(type *)0) == __INTEGER_TYPE_CLASS && \
sizeof(type) == 8)
#define __va_double(type) \
(__builtin_classify_type(*(type *)0) == __REAL_TYPE_CLASS)
#define __va_struct(type) \
(__builtin_classify_type(*(type *)0) >= __RECORD_TYPE_CLASS)
#define __va_size(type) \
((sizeof(type) + sizeof(int) - 1) / sizeof(int) * sizeof(int))
#define __va_savedgpr(ap, type) \
((ap).__base + (ap).__gpr * sizeof(int) - sizeof(type))
#define __va_savedfpr(ap, type) \
((ap).__base + 8 * sizeof(int) + (ap).__fpr * sizeof(double) - \
sizeof(type))
#define __va_stack(ap, type) \
((ap).__stack += __va_size(type) + \
(__va_longlong(type) ? (int)(ap).__stack & 4 : 0), \
(ap).__stack - sizeof(type))
#define __va_gpr(ap, type) \
((ap).__gpr += __va_size(type) / sizeof(int) + \
(__va_longlong(type) ? (ap).__gpr & 1 : 0), \
(ap).__gpr <= 8 ? __va_savedgpr(ap, type) : __va_stack(ap, type))
#define __va_fpr(ap, type) \
((ap).__fpr++, \
(ap).__fpr <= 8 ? __va_savedfpr(ap, type) : __va_stack(ap, type))
#define va_arg(ap, type) \
(*(type *)(__va_struct(type) ? (*(void **)__va_gpr(ap, void *)) : \
__va_double(type) ? __va_fpr(ap, type) : \
__va_gpr(ap, type)))
#endif /* __lint__ */
#define va_end(ap)
#if !defined(_ANSI_SOURCE) && \
(!defined(_POSIX_C_SOURCE) && !defined(_XOPEN_SOURCE) || \
defined(_ISOC99_SOURCE) || (__STDC_VERSION__ - 0) >= 199901L)
#define va_copy(dest, src) \
((dest) = (src))
#endif
#endif /* _POWERPC_STDARG_H_ */

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/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: trap.h,v 1.3 2000/05/25 21:10:14 is Exp $
* $FreeBSD$
*/
#ifndef _POWERPC_TRAP_H_
#define _POWERPC_TRAP_H_
#define EXC_RSVD 0x0000 /* Reserved */
#define EXC_RST 0x0100 /* Reset */
#define EXC_MCHK 0x0200 /* Machine Check */
#define EXC_DSI 0x0300 /* Data Storage Interrupt */
#define EXC_ISI 0x0400 /* Instruction Storage Interrupt */
#define EXC_EXI 0x0500 /* External Interrupt */
#define EXC_ALI 0x0600 /* Alignment Interrupt */
#define EXC_PGM 0x0700 /* Program Interrupt */
#define EXC_FPU 0x0800 /* Floating-point Unavailable */
#define EXC_DECR 0x0900 /* Decrementer Interrupt */
#define EXC_SC 0x0c00 /* System Call */
#define EXC_TRC 0x0d00 /* Trace */
#define EXC_FPA 0x0e00 /* Floating-point Assist */
/* The following are only available on 604: */
#define EXC_PERF 0x0f00 /* Performance Monitoring */
#define EXC_BPT 0x1300 /* Instruction Breakpoint */
#define EXC_SMI 0x1400 /* System Managment Interrupt */
/* And these are only on the 603: */
#define EXC_IMISS 0x1000 /* Instruction translation miss */
#define EXC_DLMISS 0x1100 /* Data load translation miss */
#define EXC_DSMISS 0x1200 /* Data store translation miss */
#define EXC_LAST 0x2f00 /* Last possible exception vector */
#define EXC_AST 0x3000 /* Fake AST vector */
/* Trap was in user mode */
#define EXC_USER 0x10000
/*
* EXC_ALI sets bits in the DSISR and DAR to provide enough
* information to recover from the unaligned access without needing to
* parse the offending instruction. This includes certain bits of the
* opcode, and information about what registers are used. The opcode
* indicator values below come from Appendix F of Book III of "The
* PowerPC Architecture".
*/
#define EXC_ALI_OPCODE_INDICATOR(dsisr) ((dsisr >> 10) & 0x7f)
#define EXC_ALI_LFD 0x09
#define EXC_ALI_STFD 0x0b
/* Macros to extract register information */
#define EXC_ALI_RST(dsisr) ((dsisr >> 5) & 0x1f) /* source or target */
#define EXC_ALI_RA(dsisr) (dsisr & 0x1f)
#ifndef LOCORE
void trap(struct trapframe *);
#endif /* !LOCORE */
#endif /* _POWERPC_TRAP_H_ */

50
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/*-
* Copyright (c) 2000 Tsubai Masanari. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. The name of the author may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
* OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* $NetBSD: varargs.h,v 1.5 2000/02/27 17:50:22 tsubai Exp $
* $FreeBSD$
*/
#ifndef _POWERPC_VARARGS_H_
#define _POWERPC_VARARGS_H_
#include <machine/stdarg.h>
#define va_alist __builtin_va_alist
#define va_dcl int __builtin_va_alist; ...
#undef va_start
#ifdef __lint__
#define va_start(ap) ((ap) = *(va_list *)0)
#else
#define va_start(ap) \
((ap).__stack = __va_stack_args, \
(ap).__base = __va_reg_args, \
(ap).__gpr = __va_first_gpr, \
(ap).__fpr = __va_first_fpr)
#endif
#endif /* _POWERPC_VARARGS_H_ */

124
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/*-
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: vmparam.h,v 1.11 2000/02/11 19:25:16 thorpej Exp $
* $FreeBSD$
*/
#ifndef _MACHINE_VMPARAM_H_
#define _MACHINE_VMPARAM_H_
#define USRTEXT NBPG
#define USRSTACK VM_MAXUSER_ADDRESS
#ifndef MAXTSIZ
#define MAXTSIZ (16*1024*1024) /* max text size */
#endif
#ifndef DFLDSIZ
#define DFLDSIZ (32*1024*1024) /* default data size */
#endif
#ifndef MAXDSIZ
#define MAXDSIZ (512*1024*1024) /* max data size */
#endif
#ifndef DFLSSIZ
#define DFLSSIZ (1*1024*1024) /* default stack size */
#endif
#ifndef MAXSSIZ
#define MAXSSIZ (32*1024*1024) /* max stack size */
#endif
/*
* Size of shared memory map
*/
#ifndef SHMMAXPGS
#define SHMMAXPGS 1024
#endif
/*
* Size of User Raw I/O map
*/
#define USRIOSIZE 1024
/*
* The time for a process to be blocked before being very swappable.
* This is a number of seconds which the system takes as being a non-trivial
* amount of real time. You probably shouldn't change this;
* it is used in subtle ways (fractions and multiples of it are, that is, like
* half of a ``long time'', almost a long time, etc.)
* It is related to human patience and other factors which don't really
* change over time.
*/
#define MAXSLP 20
/*
* Would like to have MAX addresses = 0, but this doesn't (currently) work
*/
#define VM_MIN_ADDRESS ((vm_offset_t)0)
#define VM_MAXUSER_ADDRESS ((vm_offset_t)0x7ffff000)
#define VM_MAX_ADDRESS VM_MAXUSER_ADDRESS
#define VM_MIN_KERNEL_ADDRESS ((vm_offset_t)(KERNEL_SR << ADDR_SR_SHFT))
#define VM_MAX_KERNEL_ADDRESS (VM_MIN_KERNEL_ADDRESS + SEGMENT_LENGTH - 1)
/* XXX max. amount of KVM to be used by buffers. */
#ifndef VM_MAX_KERNEL_BUF
#define VM_MAX_KERNEL_BUF (SEGMENT_LENGTH * 7 / 10)
#endif
#define VM_PHYS_SIZE (USRIOSIZE * NBPG)
struct pmap_physseg {
struct pv_entry *pvent;
char *attrs;
};
#define VM_PHYSSEG_MAX 16 /* 1? */
#define VM_PHYSSEG_STRAT VM_PSTRAT_BSEARCH
#define VM_PHYSSEG_NOADD /* can't add RAM after vm_mem_init */
#define VM_NFREELIST 1
#define VM_FREELIST_DEFAULT 0
#ifndef VM_INITIAL_PAGEIN
#define VM_INITIAL_PAGEIN 16
#endif
#ifndef SGROWSIZ
#define SGROWSIZ (128UL*1024) /* amount to grow stack */
#endif
#ifndef VM_KMEM_SIZE
#define VM_KMEM_SIZE (12 * 1024 * 1024)
#endif
#endif /* _MACHINE_VMPARAM_H_ */

154
sys/powerpc/powerpc/bcopy.c Normal file
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/*-
* Copyright (c) 1990 The Regents of the University of California.
* All rights reserved.
*
* This code is derived from software contributed to Berkeley by
* Chris Torek.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if defined(LIBC_SCCS) && !defined(lint)
#if 0
static char *sccsid = "from: @(#)bcopy.c 5.11 (Berkeley) 6/21/91";
#endif
#if 0
static char *rcsid = "$NetBSD: bcopy.c,v 1.2 1997/04/16 22:09:41 thorpej Exp $";
#endif
#endif /* LIBC_SCCS and not lint */
#ifndef lint
static char *rcsid =
"$FreeBSD$";
#endif
#include <sys/param.h>
#ifdef _KERNEL
#include <sys/systm.h>
#else
#include <string.h>
#endif
/*
* sizeof(word) MUST BE A POWER OF TWO
* SO THAT wmask BELOW IS ALL ONES
*/
typedef int word; /* "word" used for optimal copy speed */
#define wsize sizeof(word)
#define wmask (wsize - 1)
/*
* Copy a block of memory, handling overlap.
* This is the routine that actually implements
* (the portable versions of) bcopy, memcpy, and memmove.
*/
void *
memcpy(void *dst0, const void *src0, size_t length)
{
char *dst;
const char *src;
size_t t;
dst = dst0;
src = src0;
if (length == 0 || dst == src) { /* nothing to do */
goto done;
}
/*
* Macros: loop-t-times; and loop-t-times, t>0
*/
#define TLOOP(s) if (t) TLOOP1(s)
#define TLOOP1(s) do { s; } while (--t)
if ((unsigned long)dst < (unsigned long)src) {
/*
* Copy forward.
*/
t = (int)src; /* only need low bits */
if ((t | (int)dst) & wmask) {
/*
* Try to align operands. This cannot be done
* unless the low bits match.
*/
if ((t ^ (int)dst) & wmask || length < wsize) {
t = length;
} else {
t = wsize - (t & wmask);
}
length -= t;
TLOOP1(*dst++ = *src++);
}
/*
* Copy whole words, then mop up any trailing bytes.
*/
t = length / wsize;
TLOOP(*(word *)dst = *(const word *)src; src += wsize;
dst += wsize);
t = length & wmask;
TLOOP(*dst++ = *src++);
} else {
/*
* Copy backwards. Otherwise essentially the same.
* Alignment works as before, except that it takes
* (t&wmask) bytes to align, not wsize-(t&wmask).
*/
src += length;
dst += length;
t = (int)src;
if ((t | (int)dst) & wmask) {
if ((t ^ (int)dst) & wmask || length <= wsize) {
t = length;
} else {
t &= wmask;
}
length -= t;
TLOOP1(*--dst = *--src);
}
t = length / wsize;
TLOOP(src -= wsize; dst -= wsize;
*(word *)dst = *(const word *)src);
t = length & wmask;
TLOOP(*--dst = *--src);
}
done:
return (dst0);
}
void
bcopy(const void *src0, void *dst0, size_t length)
{
memcpy(dst0, src0, length);
}

235
sys/powerpc/powerpc/clock.c Normal file
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/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: clock.c,v 1.9 2000/01/19 02:52:19 msaitoh Exp $ */
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/bus.h>
#include <sys/kernel.h>
#include <sys/timetc.h>
#include <sys/interrupt.h>
#include <vm/vm.h>
#include <dev/ofw/openfirm.h>
#include <machine/clock.h>
#include <machine/cpu.h>
#if 0 /* XXX */
#include "adb.h"
#else
#define NADB 0
#endif
/*
* Initially we assume a processor with a bus frequency of 12.5 MHz.
*/
static u_long ns_per_tick = 80;
static long ticks_per_intr;
static volatile u_long lasttb;
#define SECDAY 86400
#define DIFF19041970 2082844800
#if NADB > 0
extern int adb_read_date_time __P((int *));
extern int adb_set_date_time __P((int));
#endif
static int clockinitted = 0;
void
inittodr(time_t base)
{
time_t deltat;
u_int rtc_time;
struct timespec ts;
/*
* If we can't read from RTC, use the fs time.
*/
#if NADB > 0
if (adb_read_date_time(&rtc_time) < 0)
#endif
{
ts.tv_sec = base;
ts.tv_nsec = 0;
tc_setclock(&ts);
return;
}
clockinitted = 1;
ts.tv_sec = rtc_time - DIFF19041970;
deltat = ts.tv_sec - base;
if (deltat < 0) {
deltat = -deltat;
}
if (deltat < 2 * SECDAY) {
tc_setclock(&ts);
return;
}
printf("WARNING: clock %s %d days",
ts.tv_sec < base ? "lost" : "gained", (int)(deltat / SECDAY));
printf(" -- CHECK AND RESET THE DATE!\n");
}
/*
* Similar to the above
*/
void
resettodr()
{
#if NADB > 0
u_int rtc_time;
if (clockinitted) {
rtc_time = time.tv_sec + DIFF19041970;
adb_set_date_time(rtc_time);
}
#endif
}
void
decr_intr(struct clockframe *frame)
{
u_long tb;
long tick;
int nticks;
/*
* Check whether we are initialized.
*/
if (!ticks_per_intr)
return;
/*
* Based on the actual time delay since the last decrementer reload,
* we arrange for earlier interrupt next time.
*/
__asm ("mftb %0; mfdec %1" : "=r"(tb), "=r"(tick));
for (nticks = 0; tick < 0; nticks++)
tick += ticks_per_intr;
__asm __volatile ("mtdec %0" :: "r"(tick));
/*
* lasttb is used during microtime. Set it to the virtual
* start of this tick interval.
*/
lasttb = tb + tick - ticks_per_intr;
#if 0 /* XXX */
intrcnt[CNT_CLOCK]++;
{
int pri;
int msr;
pri = splclock();
if (pri & (1 << SPL_CLOCK)) {
tickspending += nticks;
}
else {
nticks += tickspending;
tickspending = 0;
/*
* Reenable interrupts
*/
__asm __volatile ("mfmsr %0; ori %0, %0, %1; mtmsr %0"
: "=r"(msr) : "K"(PSL_EE));
/*
* Do standard timer interrupt stuff.
* Do softclock stuff only on the last iteration.
*/
frame->pri = pri | (1 << SIR_CLOCK);
while (--nticks > 0)
hardclock(frame);
frame->pri = pri;
hardclock(frame);
}
splx(pri);
}
#endif
}
void
cpu_initclocks(void)
{
/* Do nothing */
}
static __inline u_quad_t
mftb(void)
{
u_long scratch;
u_quad_t tb;
__asm ("1: mftbu %0; mftb %0+1; mftbu %1; cmpw 0,%0,%1; bne 1b"
: "=r"(tb), "=r"(scratch));
return tb;
}
/*
* Wait for about n microseconds (at least!).
*/
void
delay(unsigned n)
{
u_quad_t tb;
u_long tbh, tbl, scratch;
tb = mftb();
tb += (n * 1000 + ns_per_tick - 1) / ns_per_tick;
tbh = tb >> 32;
tbl = tb;
__asm ("1: mftbu %0; cmplw %0,%1; blt 1b; bgt 2f;"
"mftb %0; cmplw %0,%2; blt 1b; 2:"
:: "r"(scratch), "r"(tbh), "r"(tbl));
}
/*
* Nothing to do.
*/
void
setstatclockrate(int arg)
{
/* Do nothing */
}

73
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/*-
* Copyright (C) 1995 Wolfgang Solfrank.
* Copyright (C) 1995 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: copyinstr.c,v 1.3 2000/02/19 23:29:16 chs Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/systm.h>
/*
* Emulate copyinstr.
*/
int
copyinstr(const void *udaddr, void *kaddr, size_t len, size_t *done)
{
const u_char *up;
u_char *kp;
size_t l;
int c, rv;
up = udaddr;
kp = kaddr;
rv = ENAMETOOLONG;
for (l = 0; len-- > 0; l++) {
if ((c = fubyte(up++)) < 0) {
rv = EFAULT;
break;
}
if (!(*kp++ = c)) {
l++;
rv = 0;
break;
}
}
if (done != NULL) {
*done = l;
}
return rv;
}

70
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@ -0,0 +1,70 @@
/*-
* Copyright (C) 1995 Wolfgang Solfrank.
* Copyright (C) 1995 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: copystr.c,v 1.3 2000/06/08 06:47:17 kleink Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/errno.h>
#include <sys/systm.h>
/*
* Emulate copyinstr.
*/
int
copystr(kfaddr, kdaddr, len, done)
const void *kfaddr;
void *kdaddr;
size_t len;
size_t *done;
{
const u_char *kfp = kfaddr;
u_char *kdp = kdaddr;
size_t l;
int rv;
rv = ENAMETOOLONG;
for (l = 0; len-- > 0; l++) {
if (!(*kdp++ = *kfp++)) {
l++;
rv = 0;
break;
}
}
if (done != NULL) {
*done = l;
}
return rv;
}

54
sys/powerpc/powerpc/fubyte.c Normal file
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@ -0,0 +1,54 @@
/*-
* Copyright (C) 1993 Wolfgang Solfrank.
* Copyright (C) 1993 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: fubyte.c,v 1.2 2000/06/08 07:29:22 kleink Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/systm.h>
/*
* Emulate fubyte.
*/
int
fubyte(const void *addr)
{
unsigned char c;
if (copyin(addr,&c,sizeof(c))) {
return -1;
}
return c;
}

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/*-
* Copyright (C) 1994 Wolfgang Solfrank.
* Copyright (C) 1994 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: fuswintr.c,v 1.2 2000/06/08 07:29:54 kleink Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/resourcevar.h>
/*
* Emulate fuswintr
*
* Simply return fault for all cases
*/
int
fuswintr(void *addr)
{
return -1;
}

54
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@ -0,0 +1,54 @@
/*-
* Copyright (C) 1993 Wolfgang Solfrank.
* Copyright (C) 1993 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: fubyte.c,v 1.2 2000/06/08 07:29:22 kleink Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/systm.h>
/*
* Emulate fuword.
*/
long
fuword(const void *addr)
{
long l;
if (copyin(addr, &l, sizeof(l))) {
return -1;
}
return l;
}

1373
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1373
sys/powerpc/powerpc/locore.s Normal file
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972
sys/powerpc/powerpc/machdep.c Normal file
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/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (C) 2001 Benno Rice
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
* $NetBSD: machdep.c,v 1.74.2.1 2000/11/01 16:13:48 tv Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include "opt_ddb.h"
#include "opt_compat.h"
#include "opt_msgbuf.h"
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/eventhandler.h>
#include <sys/sysproto.h>
#include <sys/mutex.h>
#include <sys/ktr.h>
#include <sys/signalvar.h>
#include <sys/kernel.h>
#include <sys/proc.h>
#include <sys/lock.h>
#include <sys/malloc.h>
#include <sys/reboot.h>
#include <sys/bio.h>
#include <sys/buf.h>
#include <sys/bus.h>
#include <sys/mbuf.h>
#include <sys/vmmeter.h>
#include <sys/msgbuf.h>
#include <sys/exec.h>
#include <sys/sysctl.h>
#include <sys/uio.h>
#include <sys/linker.h>
#include <sys/cons.h>
#include <net/netisr.h>
#include <vm/vm.h>
#include <vm/vm_kern.h>
#include <vm/vm_page.h>
#include <vm/vm_map.h>
#include <vm/vm_extern.h>
#include <vm/vm_object.h>
#include <vm/vm_pager.h>
#include <sys/user.h>
#include <sys/ptrace.h>
#include <machine/bat.h>
#include <machine/clock.h>
#include <machine/md_var.h>
#include <machine/reg.h>
#include <machine/fpu.h>
#include <machine/globaldata.h>
#include <machine/vmparam.h>
#include <machine/elf.h>
#include <machine/trap.h>
#include <machine/powerpc.h>
#include <dev/ofw/openfirm.h>
#include <ddb/ddb.h>
#include <sys/vnode.h>
#include <fs/procfs/procfs.h>
#include <machine/sigframe.h>
int cold = 1;
struct mtx sched_lock;
struct mtx Giant;
struct user *proc0paddr;
char machine[] = "powerpc";
SYSCTL_STRING(_hw, HW_MACHINE, machine, CTLFLAG_RD, machine, 0, "");
static char model[128];
SYSCTL_STRING(_hw, HW_MODEL, model, CTLFLAG_RD, model, 0, "");
char bootpath[256];
#ifdef DDB
/* start and end of kernel symbol table */
void *ksym_start, *ksym_end;
#endif /* DDB */
static void cpu_startup(void *);
SYSINIT(cpu, SI_SUB_CPU, SI_ORDER_FIRST, cpu_startup, NULL)
void powerpc_init(u_int, u_int, u_int, char *);
int save_ofw_mapping(void);
int restore_ofw_mapping(void);
void install_extint(void (*)(void));
void osendsig(sig_t, int, sigset_t *, u_long);
struct msgbuf *msgbufp = 0;
int bootverbose = 0, Maxmem = 0;
long dumplo;
vm_offset_t phys_avail[10];
static int chosen;
struct pmap ofw_pmap;
extern int ofmsr;
struct bat battable[16];
static void identifycpu(void);
static vm_offset_t buffer_sva, buffer_eva;
vm_offset_t clean_sva, clean_eva;
static vm_offset_t pager_sva, pager_eva;
static void
powerpc_ofw_shutdown(void *junk, int howto)
{
if (howto & RB_HALT) {
OF_exit();
}
}
static void
cpu_startup(void *dummy)
{
unsigned int i;
caddr_t v;
vm_offset_t maxaddr;
vm_size_t size;
vm_offset_t firstaddr;
vm_offset_t minaddr;
size = 0;
/*
* Good {morning,afternoon,evening,night}.
*/
identifycpu();
/* startrtclock(); */
#ifdef PERFMON
perfmon_init();
#endif
printf("real memory = %ld (%ldK bytes)\n", ptoa(Maxmem),
ptoa(Maxmem) / 1024);
/*
* Display any holes after the first chunk of extended memory.
*/
if (bootverbose) {
int indx;
printf("Physical memory chunk(s):\n");
for (indx = 0; phys_avail[indx + 1] != 0; indx += 2) {
int size1 = phys_avail[indx + 1] - phys_avail[indx];
printf("0x%08x - 0x%08x, %d bytes (%d pages)\n",
phys_avail[indx], phys_avail[indx + 1] - 1, size1,
size1 / PAGE_SIZE);
}
}
/*
* Calculate callout wheel size
*/
for (callwheelsize = 1, callwheelbits = 0;
callwheelsize < ncallout;
callwheelsize <<= 1, ++callwheelbits)
;
callwheelmask = callwheelsize - 1;
/*
* Allocate space for system data structures.
* The first available kernel virtual address is in "v".
* As pages of kernel virtual memory are allocated, "v" is incremented.
* As pages of memory are allocated and cleared,
* "firstaddr" is incremented.
* An index into the kernel page table corresponding to the
* virtual memory address maintained in "v" is kept in "mapaddr".
*/
/*
* Make two passes. The first pass calculates how much memory is
* needed and allocates it. The second pass assigns virtual
* addresses to the various data structures.
*/
firstaddr = 0;
again:
v = (caddr_t)firstaddr;
#define valloc(name, type, num) \
(name) = (type *)v; v = (caddr_t)((name)+(num))
#define valloclim(name, type, num, lim) \
(name) = (type *)v; v = (caddr_t)((lim) = ((name)+(num)))
valloc(callout, struct callout, ncallout);
valloc(callwheel, struct callout_tailq, callwheelsize);
/*
* The nominal buffer size (and minimum KVA allocation) is BKVASIZE.
* For the first 64MB of ram nominally allocate sufficient buffers to
* cover 1/4 of our ram. Beyond the first 64MB allocate additional
* buffers to cover 1/20 of our ram over 64MB.
*/
if (nbuf == 0) {
int factor;
factor = 4 * BKVASIZE / PAGE_SIZE;
nbuf = 50;
if (Maxmem > 1024)
nbuf += min((Maxmem - 1024) / factor, 16384 / factor);
if (Maxmem > 16384)
nbuf += (Maxmem - 16384) * 2 / (factor * 5);
}
nswbuf = max(min(nbuf/4, 64), 16);
valloc(swbuf, struct buf, nswbuf);
valloc(buf, struct buf, nbuf);
v = bufhashinit(v);
/*
* End of first pass, size has been calculated so allocate memory
*/
if (firstaddr == 0) {
size = (vm_size_t)(v - firstaddr);
firstaddr = (vm_offset_t)kmem_alloc(kernel_map,
round_page(size));
if (firstaddr == 0)
panic("startup: no room for tables");
goto again;
}
/*
* End of second pass, addresses have been assigned
*/
if ((vm_size_t)(v - firstaddr) != size)
panic("startup: table size inconsistency");
clean_map = kmem_suballoc(kernel_map, &clean_sva, &clean_eva,
(nbuf*BKVASIZE) + (nswbuf*MAXPHYS) + pager_map_size);
buffer_map = kmem_suballoc(clean_map, &buffer_sva, &buffer_eva,
(nbuf*BKVASIZE));
pager_map = kmem_suballoc(clean_map, &pager_sva, &pager_eva,
(nswbuf*MAXPHYS) + pager_map_size);
pager_map->system_map = 1;
exec_map = kmem_suballoc(kernel_map, &minaddr, &maxaddr,
(16*(ARG_MAX+(PAGE_SIZE*3))));
/*
* XXX: Mbuf system machine-specific initializations should
* go here, if anywhere.
*/
/*
* Initialize callouts
*/
SLIST_INIT(&callfree);
for (i = 0; i < ncallout; i++) {
callout_init(&callout[i], 0);
callout[i].c_flags = CALLOUT_LOCAL_ALLOC;
SLIST_INSERT_HEAD(&callfree, &callout[i], c_links.sle);
}
for (i = 0; i < callwheelsize; i++) {
TAILQ_INIT(&callwheel[i]);
}
mtx_init(&callout_lock, "callout", MTX_SPIN);
#if defined(USERCONFIG)
#if defined(USERCONFIG_BOOT)
if (1)
#else
if (boothowto & RB_CONFIG)
#endif
{
userconfig();
cninit(); /* the preferred console may have changed */
}
#endif
printf("avail memory = %ld (%ldK bytes)\n", ptoa(cnt.v_free_count),
ptoa(cnt.v_free_count) / 1024);
/*
* Set up buffers, so they can be used to read disk labels.
*/
bufinit();
vm_pager_bufferinit();
EVENTHANDLER_REGISTER(shutdown_final, powerpc_ofw_shutdown, 0,
SHUTDOWN_PRI_LAST);
#ifdef SMP
/*
* OK, enough kmem_alloc/malloc state should be up, lets get on with it!
*/
mp_start(); /* fire up the secondaries */
mp_announce();
#endif /* SMP */
}
void
identifycpu()
{
int pvr, cpu;
/*
* Find cpu type (Do it by OpenFirmware?)
*/
__asm ("mfpvr %0" : "=r"(pvr));
cpu = pvr >> 16;
switch (cpu) {
case 1:
sprintf(model, "601");
break;
case 3:
sprintf(model, "603");
break;
case 4:
sprintf(model, "604");
break;
case 5:
sprintf(model, "602");
break;
case 6:
sprintf(model, "603e");
break;
case 7:
sprintf(model, "603ev");
break;
case 8:
sprintf(model, "750 (G3)");
break;
case 9:
sprintf(model, "604ev");
break;
case 12:
sprintf(model, "7400 (G4)");
break;
case 20:
sprintf(model, "620");
break;
default:
sprintf(model, "Version %x", cpu);
break;
}
sprintf(model + strlen(model), " (Revision %x)", pvr & 0xffff);
printf("CPU: PowerPC %s\n", model);
}
extern char kernel_text[], _end[];
extern void *trapcode, *trapsize;
extern void *alitrap, *alisize;
extern void *dsitrap, *dsisize;
extern void *isitrap, *isisize;
extern void *decrint, *decrsize;
extern void *tlbimiss, *tlbimsize;
extern void *tlbdlmiss, *tlbdlmsize;
extern void *tlbdsmiss, *tlbdsmsize;
#if 0 /* XXX: interrupt handler. We'll get to this later */
extern void ext_intr(void);
#endif
#ifdef DDB
extern ddblow, ddbsize;
#endif
#ifdef IPKDB
extern ipkdblow, ipkdbsize;
#endif
static struct globaldata tmpglobal;
void
powerpc_init(u_int startkernel, u_int endkernel, u_int basekernel, char *args)
{
int exc, scratch;
struct mem_region *allmem, *availmem, *mp;
struct globaldata *globalp;
/*
* Set up BAT0 to only map the lowest 256 MB area
*/
battable[0].batl = BATL(0x00000000, BAT_M, BAT_PP_RW);
battable[0].batu = BATU(0x00000000, BAT_BL_256M, BAT_Vs);
/*
* Map PCI memory space.
*/
battable[0x8].batl = BATL(0x80000000, BAT_I, BAT_PP_RW);
battable[0x8].batu = BATU(0x80000000, BAT_BL_256M, BAT_Vs);
battable[0x9].batl = BATL(0x90000000, BAT_I, BAT_PP_RW);
battable[0x9].batu = BATU(0x90000000, BAT_BL_256M, BAT_Vs);
battable[0xa].batl = BATL(0xa0000000, BAT_I, BAT_PP_RW);
battable[0xa].batu = BATU(0xa0000000, BAT_BL_256M, BAT_Vs);
/*
* Map obio devices.
*/
battable[0xf].batl = BATL(0xf0000000, BAT_I, BAT_PP_RW);
battable[0xf].batu = BATU(0xf0000000, BAT_BL_256M, BAT_Vs);
/*
* Now setup fixed bat registers
*
* Note that we still run in real mode, and the BAT
* registers were cleared above.
*/
/* BAT0 used for initial 256 MB segment */
__asm __volatile ("mtibatl 0,%0; mtibatu 0,%1;"
"mtdbatl 0,%0; mtdbatu 0,%1;"
:: "r"(battable[0].batl), "r"(battable[0].batu));
/*
* Set up battable to map all RAM regions.
* This is here because mem_regions() call needs bat0 set up.
*/
mem_regions(&allmem, &availmem);
for (mp = allmem; mp->size; mp++) {
vm_offset_t pa = mp->start & 0xf0000000;
vm_offset_t end = mp->start + mp->size;
do {
u_int n = pa >> 28;
battable[n].batl = BATL(pa, BAT_M, BAT_PP_RW);
battable[n].batu = BATU(pa, BAT_BL_256M, BAT_Vs);
pa += 0x10000000;
} while (pa < end);
}
chosen = OF_finddevice("/chosen");
save_ofw_mapping();
proc0.p_addr = proc0paddr;
bzero(proc0.p_addr, sizeof *proc0.p_addr);
LIST_INIT(&proc0.p_contested);
/* XXX: NetBSDism I _think_. Not sure yet. */
#if 0
curpm = curpcb->pcb_pmreal = curpcb->pcb_pm = kernel_pmap;
#endif
/*
* Initialise some mutexes.
*/
mtx_init(&Giant, "Giant", MTX_DEF | MTX_RECURSE);
mtx_init(&sched_lock, "sched lock", MTX_SPIN | MTX_RECURSE);
mtx_init(&proc0.p_mtx, "process lock", MTX_DEF);
mtx_lock(&Giant);
/*
* Initialise console.
*/
cninit();
#ifdef __notyet__ /* Needs some rethinking regarding real/virtual OFW */
OF_set_callback(callback);
#endif
/*
* Set up trap vectors
*/
for (exc = EXC_RSVD; exc <= EXC_LAST; exc += 0x100) {
switch (exc) {
default:
bcopy(&trapcode, (void *)exc, (size_t)&trapsize);
break;
case EXC_EXI:
/*
* This one is (potentially) installed during autoconf
*/
break;
case EXC_ALI:
bcopy(&alitrap, (void *)EXC_ALI, (size_t)&alisize);
break;
case EXC_DSI:
bcopy(&dsitrap, (void *)EXC_DSI, (size_t)&dsisize);
break;
case EXC_ISI:
bcopy(&isitrap, (void *)EXC_ISI, (size_t)&isisize);
break;
case EXC_DECR:
bcopy(&decrint, (void *)EXC_DECR, (size_t)&decrsize);
break;
case EXC_IMISS:
bcopy(&tlbimiss, (void *)EXC_IMISS, (size_t)&tlbimsize);
break;
case EXC_DLMISS:
bcopy(&tlbdlmiss, (void *)EXC_DLMISS, (size_t)&tlbdlmsize);
break;
case EXC_DSMISS:
bcopy(&tlbdsmiss, (void *)EXC_DSMISS, (size_t)&tlbdsmsize);
break;
#if defined(DDB) || defined(IPKDB)
case EXC_TRC:
case EXC_PGM:
case EXC_BPT:
#if defined(DDB)
bcopy(&ddblow, (void *)exc, (size_t)&ddbsize);
#else
bcopy(&ipkdblow, (void *)exc, (size_t)&ipkdbsize);
#endif
break;
#endif /* DDB || IPKDB */
}
}
#if 0 /* XXX: coming soon... */
/*
* external interrupt handler install
*/
install_extint(ext_intr);
__syncicache((void *)EXC_RST, EXC_LAST - EXC_RST + 0x100);
#endif
/*
* Now enable translation (and machine checks/recoverable interrupts).
*/
__asm __volatile ("mfmsr %0; ori %0,%0,%1; mtmsr %0; isync"
: "=r"(scratch) : "K"(PSL_IR|PSL_DR|PSL_ME|PSL_RI));
ofmsr &= ~PSL_IP;
/*
* Parse arg string.
*/
#ifdef DDB
bcopy(args + strlen(args) + 1, &startsym, sizeof(startsym));
bcopy(args + strlen(args) + 5, &endsym, sizeof(endsym));
if (startsym == NULL || endsym == NULL)
startsym = endsym = NULL;
#endif
strcpy(bootpath, args);
args = bootpath;
while (*++args && *args != ' ');
if (*args) {
*args++ = 0;
while (*args) {
switch (*args++) {
case 'a':
boothowto |= RB_ASKNAME;
break;
case 's':
boothowto |= RB_SINGLE;
break;
case 'd':
boothowto |= RB_KDB;
break;
case 'v':
boothowto |= RB_VERBOSE;
break;
}
}
}
#ifdef DDB
ddb_init((int)((u_int)endsym - (u_int)startsym), startsym, endsym);
#endif
#ifdef IPKDB
/*
* Now trap to IPKDB
*/
ipkdb_init();
if (boothowto & RB_KDB)
ipkdb_connect(0);
#endif
/*
* Set the page size.
*/
#if 0
vm_set_page_size();
#endif
/*
* Initialize pmap module.
*/
pmap_bootstrap(startkernel, endkernel);
restore_ofw_mapping();
/*
* Setup the global data for the bootstrap cpu.
*/
globalp = (struct globaldata *) &tmpglobal;
/*
* XXX: Pass 0 as CPU id. This is bad. We need to work out
* XXX: which CPU we are somehow.
*/
globaldata_init(globalp, 0, sizeof(struct globaldata));
__asm("mtsprg 0,%0\n" :: "r" (globalp));
PCPU_GET(next_asn) = 1; /* 0 used for proc0 pmap */
PCPU_SET(curproc, &proc0);
PCPU_SET(spinlocks, NULL);
}
static int N_mapping;
static struct {
vm_offset_t va;
int len;
vm_offset_t pa;
int mode;
} ofw_mapping[256];
int
save_ofw_mapping()
{
int mmui, mmu;
OF_getprop(chosen, "mmu", &mmui, 4);
mmu = OF_instance_to_package(mmui);
bzero(ofw_mapping, sizeof(ofw_mapping));
N_mapping =
OF_getprop(mmu, "translations", ofw_mapping, sizeof(ofw_mapping));
N_mapping /= sizeof(ofw_mapping[0]);
return 0;
}
int
restore_ofw_mapping()
{
int i;
struct vm_page pg;
pmap_pinit(&ofw_pmap);
ofw_pmap.pm_sr[KERNEL_SR] = KERNEL_SEGMENT;
for (i = 0; i < N_mapping; i++) {
vm_offset_t pa = ofw_mapping[i].pa;
vm_offset_t va = ofw_mapping[i].va;
int size = ofw_mapping[i].len;
if (va < 0x90000000) /* XXX */
continue;
while (size > 0) {
pg.phys_addr = pa;
pmap_enter(&ofw_pmap, va, &pg, VM_PROT_ALL,
VM_PROT_ALL);
pa += PAGE_SIZE;
va += PAGE_SIZE;
size -= PAGE_SIZE;
}
}
return 0;
}
void
bzero(void *buf, size_t len)
{
caddr_t p;
p = buf;
while (((vm_offset_t) p & (sizeof(u_long) - 1)) && len) {
*p++ = 0;
len--;
}
while (len >= sizeof(u_long) * 8) {
*(u_long*) p = 0;
*((u_long*) p + 1) = 0;
*((u_long*) p + 2) = 0;
*((u_long*) p + 3) = 0;
len -= sizeof(u_long) * 8;
*((u_long*) p + 4) = 0;
*((u_long*) p + 5) = 0;
*((u_long*) p + 6) = 0;
*((u_long*) p + 7) = 0;
p += sizeof(u_long) * 8;
}
while (len >= sizeof(u_long)) {
*(u_long*) p = 0;
len -= sizeof(u_long);
p += sizeof(u_long);
}
while (len) {
*p++ = 0;
len--;
}
}
#if 0
void
delay(unsigned n)
{
u_long tb;
do {
__asm __volatile("mftb %0" : "=r" (tb));
} while (n > (int)(tb & 0xffffffff));
}
#endif
void
osendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
{
/* XXX: To be done */
return;
}
void
sendsig(sig_t catcher, int sig, sigset_t *mask, u_long code)
{
/* XXX: To be done */
return;
}
int
osigreturn(struct proc *p, struct osigreturn_args *uap)
{
/* XXX: To be done */
return(ENOSYS);
}
int
sigreturn(struct proc *p, struct sigreturn_args *uap)
{
/* XXX: To be done */
return(ENOSYS);
}
void
cpu_boot(int howto)
{
}
/*
* Shutdown the CPU as much as possible.
*/
void
cpu_halt(void)
{
OF_exit();
}
/*
* Set set up registers on exec.
*/
void
setregs(struct proc *p, u_long entry, u_long stack, u_long ps_strings)
{
struct trapframe *tf;
struct ps_strings arginfo;
tf = trapframe(p);
bzero(tf, sizeof *tf);
tf->fixreg[1] = -roundup(-stack + 8, 16);
/*
* XXX Machine-independent code has already copied arguments and
* XXX environment to userland. Get them back here.
*/
(void)copyin((char *)PS_STRINGS, &arginfo, sizeof(arginfo));
/*
* Set up arguments for _start():
* _start(argc, argv, envp, obj, cleanup, ps_strings);
*
* Notes:
* - obj and cleanup are the auxilliary and termination
* vectors. They are fixed up by ld.elf_so.
* - ps_strings is a NetBSD extention, and will be
* ignored by executables which are strictly
* compliant with the SVR4 ABI.
*
* XXX We have to set both regs and retval here due to different
* XXX calling convention in trap.c and init_main.c.
*/
tf->fixreg[3] = arginfo.ps_nargvstr;
tf->fixreg[4] = (register_t)arginfo.ps_argvstr;
tf->fixreg[5] = (register_t)arginfo.ps_envstr;
tf->fixreg[6] = 0; /* auxillary vector */
tf->fixreg[7] = 0; /* termination vector */
tf->fixreg[8] = (register_t)PS_STRINGS; /* NetBSD extension */
tf->srr0 = entry;
tf->srr1 = PSL_MBO | PSL_USERSET | PSL_FE_DFLT;
p->p_addr->u_pcb.pcb_flags = 0;
}
extern void *extint, *extsize;
extern u_long extint_call;
#if 0
void
install_extint(void (*handler)(void))
{
u_long offset;
int omsr, msr;
offset = (u_long)handler - (u_long)&extint_call;
#ifdef DIAGNOSTIC
if (offset > 0x1ffffff)
panic("install_extint: too far away");
#endif
__asm __volatile ("mfmsr %0; andi. %1,%0,%2; mtmsr %1"
: "=r"(omsr), "=r"(msr) : "K"((u_short)~PSL_EE));
extint_call = (extint_call & 0xfc000003) | offset;
bcopy(&extint, (void *)EXC_EXI, (size_t)&extsize);
__syncicache((void *)&extint_call, sizeof extint_call);
__syncicache((void *)EXC_EXI, (int)&extsize);
__asm __volatile ("mtmsr %0" :: "r"(omsr));
}
#endif
#if !defined(DDB)
void
Debugger(const char *msg)
{
printf("Debugger(\"%s\") called.\n", msg);
}
#endif /* !defined(DDB) */
/* XXX: dummy {fill,set}_[fp]regs */
int
fill_regs(struct proc *p, struct reg *regs)
{
return (ENOSYS);
}
int
fill_fpregs(struct proc *p, struct fpreg *fpregs)
{
return (ENOSYS);
}
int
set_regs(struct proc *p, struct reg *regs)
{
return (ENOSYS);
}
int
set_fpregs(struct proc *p, struct fpreg *fpregs)
{
return (ENOSYS);
}
int
ptrace_set_pc(struct proc *p, unsigned long addr)
{
/* XXX: coming soon... */
return (ENOSYS);
}
int
ptrace_single_step(struct proc *p)
{
/* XXX: coming soon... */
return (ENOSYS);
}
int
ptrace_write_u(struct proc *p, vm_offset_t off, long data)
{
/* XXX: coming soon... */
return (ENOSYS);
}
int
ptrace_read_u_check(struct proc *p, vm_offset_t addr, size_t len)
{
/* XXX: coming soon... */
return (ENOSYS);
}
int
ptrace_clear_single_step(struct proc *p)
{
/* XXX: coming soon... */
return (ENOSYS);
}
/*
* Initialise a struct globaldata.
*/
void
globaldata_init(struct globaldata *globaldata, int cpuid, size_t sz)
{
bzero(globaldata, sz);
globaldata->gd_cpuid = cpuid;
globaldata->gd_next_asn = 0;
globaldata->gd_current_asngen = 1;
}

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sys/powerpc/powerpc/ofw_machdep.c Normal file
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/*
* Copyright (C) 1996 Wolfgang Solfrank.
* Copyright (C) 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: ofw_machdep.c,v 1.5 2000/05/23 13:25:43 tsubai Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/bus.h>
#include <sys/systm.h>
#include <sys/conf.h>
#include <sys/disk.h>
#include <sys/disklabel.h>
#include <sys/fcntl.h>
#include <sys/malloc.h>
#include <sys/stat.h>
#include <dev/ofw/openfirm.h>
#include <machine/powerpc.h>
#define OFMEM_REGIONS 32
static struct mem_region OFmem[OFMEM_REGIONS + 1], OFavail[OFMEM_REGIONS + 3];
extern long ofmsr;
static int (*ofwcall)(void *);
/*
* This is called during powerpc_init, before the system is really initialized.
* It shall provide the total and the available regions of RAM.
* Both lists must have a zero-size entry as terminator.
* The available regions need not take the kernel into account, but needs
* to provide space for two additional entry beyond the terminating one.
*/
void
mem_regions(struct mem_region **memp, struct mem_region **availp)
{
int phandle /*, i, j, cnt*/;
/*
* Get memory.
*/
if ((phandle = OF_finddevice("/memory")) == -1
|| OF_getprop(phandle, "reg",
OFmem, sizeof OFmem[0] * OFMEM_REGIONS)
<= 0
|| OF_getprop(phandle, "available",
OFavail, sizeof OFavail[0] * OFMEM_REGIONS)
<= 0)
panic("no memory?");
*memp = OFmem;
*availp = OFavail;
}
void
set_openfirm_callback(int (*openfirm)(void *))
{
ofwcall = openfirm;
}
int
openfirmware(void *args)
{
long oldmsr;
int result;
__asm( "\t"
"mfmsr %0\n\t"
"mtmsr %1\n\t"
"isync\n"
: "=r" (oldmsr)
: "r" (ofmsr)
);
result = ofwcall(args);
__asm( "\t"
"mtmsr %0\n\t"
"isync\n"
: : "r" (oldmsr)
);
return (result);
}
void
ppc_exit()
{
OF_exit();
}
void
ppc_boot(str)
char *str;
{
OF_boot(str);
}

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sys/powerpc/powerpc/ofwmagic.S Normal file
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/* $FreeBSD$ */
/* $NetBSD: ofwmagic.S,v 1.2 1997/10/09 08:38:18 jtc Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Magic note section used by OpenFirmware.
*/
.section ".note"
# note header
# length of name
.long 8
# note descriptor size
.long 20
# note type (IEEE 1275)
.long 0x1275
# name of owner
.asciz "PowerPC"
.balign 4
# note descriptor
# real mode (-1) or virtual mode (0)
.long 0
# real-base
.long -1
# real-size
.long -1
# virt-base
.long -1
# virt-size
.long -1

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/* $FreeBSD$ */
/* $NetBSD: ofwmagic.S,v 1.2 1997/10/09 08:38:18 jtc Exp $ */
/*-
* Copyright (c) 1997 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Jason R. Thorpe.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Magic note section used by OpenFirmware.
*/
.section ".note"
# note header
# length of name
.long 8
# note descriptor size
.long 20
# note type (IEEE 1275)
.long 0x1275
# name of owner
.asciz "PowerPC"
.balign 4
# note descriptor
# real mode (-1) or virtual mode (0)
.long 0
# real-base
.long -1
# real-size
.long -1
# virt-base
.long -1
# virt-size
.long -1

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sys/powerpc/powerpc/subyte.c Normal file
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/*-
* Copyright (C) 1993 Wolfgang Solfrank.
* Copyright (C) 1993 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: subyte.c,v 1.2 2000/06/09 14:05:47 kleink Exp $ */
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/systm.h>
/*
* Emulate subyte.
*/
int
subyte(void *base, int byte)
{
if (copyout(&byte, base, 1)) {
return -1;
}
return 0;
}
int
suibyte(void *base, int byte)
{
return subyte(base, byte);
}

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/*-
* Copyright (C) 1994 Wolfgang Solfrank.
* Copyright (C) 1994 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: suswintr.c,v 1.2 2000/06/09 14:05:48 kleink Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/resourcevar.h>
/*
* Emulate suswintr
*
* Simply return fault for all cases
*/
int
suswintr(void *addr, int s)
{
return -1;
}

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/*-
* Copyright (C) 1993 Wolfgang Solfrank.
* Copyright (C) 1993 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: suword.c,v 1.2 2000/06/09 14:05:49 kleink Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/systm.h>
/*
* Emulate suword
*/
int
suword(void *addr, long l)
{
if (copyout(&l, addr, sizeof(l))) {
return -1;
}
return 0;
}

249
sys/powerpc/powerpc/swtch.S Normal file
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/* $FreeBSD$ */
/* $NetBSD: locore.S,v 1.24 2000/05/31 05:09:17 thorpej Exp $ */
/*
* Copyright (C) 2001 Benno Rice
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "assym.s"
#include <sys/syscall.h>
#include <machine/trap.h>
#include <machine/param.h>
#include <machine/pmap.h>
#include <machine/psl.h>
#include <machine/asm.h>
/*
* Some instructions gas doesn't understand (yet?)
*/
#define bdneq bdnzf 2,
/*
* No processes are runnable, so loop waiting for one.
* Separate label here for accounting purposes.
*/
#if 0 /* XXX: I think this is now unneeded. Leaving it in just in case. */
ASENTRY(Idle)
mfmsr 3
andi. 3,3,~PSL_EE@l /* disable interrupts while
manipulating runque */
mtmsr 3
lis 8,sched_whichqs@ha
lwz 9,sched_whichqs@l(8)
or. 9,9,9
bne- .Lsw1 /* at least one queue non-empty */
ori 3,3,PSL_EE@l /* reenable ints again */
mtmsr 3
isync
/* Check if we can use power saving mode */
lis 8,powersave@ha
lwz 9,powersave@l(8)
or. 9,9,9
beq 1f
sync
oris 3,3,PSL_POW@h /* enter power saving mode */
mtmsr 3
isync
1:
b _ASM_LABEL(Idle)
#endif /* XXX */
/*
* switchexit gets called from cpu_exit to complete the exit procedure.
*/
ENTRY(switchexit)
/* First switch to the idle pcb/kernel stack */
#if 0 /* XXX */
lis 6,idle_u@ha
lwz 6,idle_u@l(6)
mfsprg 7,0
stw 6,GD_CURPCB(7)
#endif
addi 1,6,USPACE-16 /* 16 bytes are reserved at stack top */
/*
* Schedule the vmspace and stack to be freed (the proc arg is
* already in r3).
*/
bl sys_exit
/* Fall through to cpu_switch to actually select another proc */
li 3,0 /* indicate exited process */
/*
* void cpu_switch(struct proc *p)
* Find a runnable process and switch to it.
*/
/* XXX noprofile? --thorpej@netbsd.org */
ENTRY(cpu_switch)
mflr 0 /* save lr */
stw 0,4(1)
stwu 1,-16(1)
stw 31,12(1)
stw 30,8(1)
mr 30,3
mfsprg 3,0
xor 31,31,31
stw 31,GD_CURPROC(3) /* Zero to not accumulate cpu time */
mfsprg 3,0
lwz 31,GD_CURPCB(3)
xor 3,3,3
#if 0 /* XXX */
bl lcsplx
#endif
stw 3,PCB_SPL(31) /* save spl */
/* Find a new process */
bl chooseproc
1:
/* just did this resched thing */
xor 3,3,3
lis 4,want_resched@ha
stw 3,want_resched@l(4)
/* record new process */
mfsprg 4,0
stw 3,GD_CURPROC(4)
cmpl 0,31,30 /* is it the same process? */
beq switch_return
or. 30,30,30 /* old process was exiting? */
beq switch_exited
mfsr 10,USER_SR /* save USER_SR for copyin/copyout */
mfcr 11 /* save cr */
mr 12,2 /* save r2 */
stwu 1,-SFRAMELEN(1) /* still running on old stack */
stmw 10,8(1)
lwz 3,P_ADDR(30)
stw 1,PCB_SP(3) /* save SP */
switch_exited:
mfmsr 3
andi. 3,3,~PSL_EE@l /* disable interrupts while
actually switching */
mtmsr 3
/* indicate new pcb */
lwz 4,P_ADDR(31)
mfsprg 5,0
stw 4,GD_CURPCB(5)
#if 0 /* XXX */
/* save real pmap pointer for spill fill */
lwz 5,PCB_PMR(4)
lis 6,curpm@ha
stwu 5,curpm@l(6)
stwcx. 5,0,6 /* clear possible reservation */
#endif
addic. 5,5,64
li 6,0
mfsr 8,KERNEL_SR /* save kernel SR */
1:
addis 6,6,-0x10000000@ha /* set new procs segment registers */
or. 6,6,6 /* This is done from the real
address pmap */
lwzu 7,-4(5) /* so we don't have to worry */
mtsrin 7,6 /* about accessibility */
bne 1b
mtsr KERNEL_SR,8 /* restore kernel SR */
isync
lwz 1,PCB_SP(4) /* get new procs SP */
ori 3,3,PSL_EE@l /* interrupts are okay again */
mtmsr 3
lmw 10,8(1) /* get other regs */
lwz 1,0(1) /* get saved SP */
mr 2,12 /* get saved r2 */
mtcr 11 /* get saved cr */
isync
mtsr USER_SR,10 /* get saved USER_SR */
isync
switch_return:
mr 30,7 /* save proc pointer */
lwz 3,PCB_SPL(4)
#if 0 /* XXX */
bl lcsplx
#endif
mr 3,30 /* get curproc for special fork
returns */
lwz 31,12(1)
lwz 30,8(1)
addi 1,1,16
lwz 0,4(1)
mtlr 0
blr
/*
* Fake savectx for the time being.
*/
ENTRY(savectx)
blr

249
sys/powerpc/powerpc/swtch.s Normal file
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@ -0,0 +1,249 @@
/* $FreeBSD$ */
/* $NetBSD: locore.S,v 1.24 2000/05/31 05:09:17 thorpej Exp $ */
/*
* Copyright (C) 2001 Benno Rice
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY Benno Rice ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "assym.s"
#include <sys/syscall.h>
#include <machine/trap.h>
#include <machine/param.h>
#include <machine/pmap.h>
#include <machine/psl.h>
#include <machine/asm.h>
/*
* Some instructions gas doesn't understand (yet?)
*/
#define bdneq bdnzf 2,
/*
* No processes are runnable, so loop waiting for one.
* Separate label here for accounting purposes.
*/
#if 0 /* XXX: I think this is now unneeded. Leaving it in just in case. */
ASENTRY(Idle)
mfmsr 3
andi. 3,3,~PSL_EE@l /* disable interrupts while
manipulating runque */
mtmsr 3
lis 8,sched_whichqs@ha
lwz 9,sched_whichqs@l(8)
or. 9,9,9
bne- .Lsw1 /* at least one queue non-empty */
ori 3,3,PSL_EE@l /* reenable ints again */
mtmsr 3
isync
/* Check if we can use power saving mode */
lis 8,powersave@ha
lwz 9,powersave@l(8)
or. 9,9,9
beq 1f
sync
oris 3,3,PSL_POW@h /* enter power saving mode */
mtmsr 3
isync
1:
b _ASM_LABEL(Idle)
#endif /* XXX */
/*
* switchexit gets called from cpu_exit to complete the exit procedure.
*/
ENTRY(switchexit)
/* First switch to the idle pcb/kernel stack */
#if 0 /* XXX */
lis 6,idle_u@ha
lwz 6,idle_u@l(6)
mfsprg 7,0
stw 6,GD_CURPCB(7)
#endif
addi 1,6,USPACE-16 /* 16 bytes are reserved at stack top */
/*
* Schedule the vmspace and stack to be freed (the proc arg is
* already in r3).
*/
bl sys_exit
/* Fall through to cpu_switch to actually select another proc */
li 3,0 /* indicate exited process */
/*
* void cpu_switch(struct proc *p)
* Find a runnable process and switch to it.
*/
/* XXX noprofile? --thorpej@netbsd.org */
ENTRY(cpu_switch)
mflr 0 /* save lr */
stw 0,4(1)
stwu 1,-16(1)
stw 31,12(1)
stw 30,8(1)
mr 30,3
mfsprg 3,0
xor 31,31,31
stw 31,GD_CURPROC(3) /* Zero to not accumulate cpu time */
mfsprg 3,0
lwz 31,GD_CURPCB(3)
xor 3,3,3
#if 0 /* XXX */
bl lcsplx
#endif
stw 3,PCB_SPL(31) /* save spl */
/* Find a new process */
bl chooseproc
1:
/* just did this resched thing */
xor 3,3,3
lis 4,want_resched@ha
stw 3,want_resched@l(4)
/* record new process */
mfsprg 4,0
stw 3,GD_CURPROC(4)
cmpl 0,31,30 /* is it the same process? */
beq switch_return
or. 30,30,30 /* old process was exiting? */
beq switch_exited
mfsr 10,USER_SR /* save USER_SR for copyin/copyout */
mfcr 11 /* save cr */
mr 12,2 /* save r2 */
stwu 1,-SFRAMELEN(1) /* still running on old stack */
stmw 10,8(1)
lwz 3,P_ADDR(30)
stw 1,PCB_SP(3) /* save SP */
switch_exited:
mfmsr 3
andi. 3,3,~PSL_EE@l /* disable interrupts while
actually switching */
mtmsr 3
/* indicate new pcb */
lwz 4,P_ADDR(31)
mfsprg 5,0
stw 4,GD_CURPCB(5)
#if 0 /* XXX */
/* save real pmap pointer for spill fill */
lwz 5,PCB_PMR(4)
lis 6,curpm@ha
stwu 5,curpm@l(6)
stwcx. 5,0,6 /* clear possible reservation */
#endif
addic. 5,5,64
li 6,0
mfsr 8,KERNEL_SR /* save kernel SR */
1:
addis 6,6,-0x10000000@ha /* set new procs segment registers */
or. 6,6,6 /* This is done from the real
address pmap */
lwzu 7,-4(5) /* so we don't have to worry */
mtsrin 7,6 /* about accessibility */
bne 1b
mtsr KERNEL_SR,8 /* restore kernel SR */
isync
lwz 1,PCB_SP(4) /* get new procs SP */
ori 3,3,PSL_EE@l /* interrupts are okay again */
mtmsr 3
lmw 10,8(1) /* get other regs */
lwz 1,0(1) /* get saved SP */
mr 2,12 /* get saved r2 */
mtcr 11 /* get saved cr */
isync
mtsr USER_SR,10 /* get saved USER_SR */
isync
switch_return:
mr 30,7 /* save proc pointer */
lwz 3,PCB_SPL(4)
#if 0 /* XXX */
bl lcsplx
#endif
mr 3,30 /* get curproc for special fork
returns */
lwz 31,12(1)
lwz 30,8(1)
addi 1,1,16
lwz 0,4(1)
mtlr 0
blr
/*
* Fake savectx for the time being.
*/
ENTRY(savectx)
blr

98
sys/powerpc/powerpc/syncicache.c Normal file
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/*
* Copyright (C) 1995-1997, 1999 Wolfgang Solfrank.
* Copyright (C) 1995-1997, 1999 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: syncicache.c,v 1.2 1999/05/05 12:36:40 tsubai Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#if defined(_KERNEL) || defined(_STANDALONE)
#include <sys/time.h>
#include <sys/proc.h>
#include <vm/vm.h>
#endif
#include <sys/sysctl.h>
#include <machine/cpu.h>
#if defined(_KERNEL) || defined(_STANDALONE)
#ifndef CACHELINESIZE
#error "Must know the size of a cache line"
#endif
#else
static void getcachelinesize __P((void));
static int _cachelinesize;
#define CACHELINESIZE _cachelinesize
static void
getcachelinesize()
{
static int cachemib[] = { CTL_MACHDEP, CPU_CACHELINE };
int clen;
clen = sizeof(_cachelinesize);
if (sysctl(cachemib, sizeof(cachemib) / sizeof(cachemib[0]),
&_cachelinesize, &clen, NULL, 0) < 0 || !_cachelinesize) {
abort();
}
}
#endif
void
__syncicache(void *from, int len)
{
int l, off;
char *p;
#if !defined(_KERNEL) && !defined(_STANDALONE)
if (!_cachelinesize)
getcachelinesize();
#endif
off = (u_int)from & (CACHELINESIZE - 1);
l = len += off;
p = (char *)from - off;
do {
__asm __volatile ("dcbst 0,%0" :: "r"(p));
p += CACHELINESIZE;
} while ((l -= CACHELINESIZE) > 0);
__asm __volatile ("sync");
p = (char *)from - off;
do {
__asm __volatile ("icbi 0,%0" :: "r"(p));
p += CACHELINESIZE;
} while ((len -= CACHELINESIZE) > 0);
__asm __volatile ("isync");
}

607
sys/powerpc/powerpc/trap.c Normal file
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@ -0,0 +1,607 @@
/*
* Copyright (C) 1995, 1996 Wolfgang Solfrank.
* Copyright (C) 1995, 1996 TooLs GmbH.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by TooLs GmbH.
* 4. The name of TooLs GmbH may not be used to endorse or promote products
* derived from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY TOOLS GMBH ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL TOOLS GMBH BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
* PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
* OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
* WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
* OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
* ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*
* $NetBSD: trap.c,v 1.26 2000/05/27 00:40:40 sommerfeld Exp $
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include "opt_ddb.h"
#include "opt_ktrace.h"
#include <sys/param.h>
#include <sys/proc.h>
#include <sys/reboot.h>
#include <sys/syscall.h>
#include <sys/systm.h>
#include <sys/uio.h>
#include <sys/user.h>
#include <sys/ktrace.h>
#include <vm/vm.h>
#include <vm/vm_kern.h>
#include <vm/pmap.h>
#include <machine/cpu.h>
#include <machine/frame.h>
#include <machine/pcb.h>
#include <machine/psl.h>
#include <machine/trap.h>
/* These definitions should probably be somewhere else XXX */
#define FIRSTARG 3 /* first argument is in reg 3 */
#define NARGREG 8 /* 8 args are in registers */
#define MOREARGS(sp) ((caddr_t)((int)(sp) + 8)) /* more args go here */
volatile int astpending;
volatile int want_resched;
#if 0 /* XXX: not used yet */
static int fix_unaligned __P((struct proc *p, struct trapframe *frame));
#endif
void
trap(struct trapframe *frame)
{
#if 0 /* XXX: This code hasn't been reworked yet. */
struct proc *p;
int type;
u_quad_t sticks;
p = curproc;
type = frame->exc;
if (frame->srr1 & PSL_PR) {
type |= EXC_USER;
sticks = p->p_sticks;
}
switch (type) {
case EXC_TRC|EXC_USER:
frame->srr1 &= ~PSL_SE;
trapsignal(p, SIGTRAP, EXC_TRC);
break;
case EXC_DSI:
{
vm_map_t map;
vaddr_t va;
int ftype;
faultbuf *fb;
map = kernel_map;
va = frame->dar;
if ((va >> ADDR_SR_SHFT) == USER_SR) {
sr_t user_sr;
__asm ("mfsr %0, %1"
: "=r"(user_sr) : "K"(USER_SR));
va &= ADDR_PIDX | ADDR_POFF;
va |= user_sr << ADDR_SR_SHFT;
map = &p->p_vmspace->vm_map;
}
if (frame->dsisr & DSISR_STORE)
ftype = VM_PROT_READ | VM_PROT_WRITE;
else
ftype = VM_PROT_READ;
if (uvm_fault(map, trunc_page(va), 0, ftype)
== KERN_SUCCESS)
return;
if (fb = p->p_addr->u_pcb.pcb_onfault) {
frame->srr0 = (*fb)[0];
frame->fixreg[1] = (*fb)[1];
frame->fixreg[2] = (*fb)[2];
frame->cr = (*fb)[3];
bcopy(&(*fb)[4], &frame->fixreg[13],
19 * sizeof(register_t));
return;
}
map = kernel_map;
}
goto brain_damage;
case EXC_DSI|EXC_USER:
{
int ftype, rv;
if (frame->dsisr & DSISR_STORE)
ftype = VM_PROT_READ | VM_PROT_WRITE;
else
ftype = VM_PROT_READ;
if ((rv = uvm_fault(&p->p_vmspace->vm_map,
trunc_page(frame->dar), 0, ftype))
== KERN_SUCCESS)
break;
if (rv == KERN_RESOURCE_SHORTAGE) {
printf("UVM: pid %d (%s), uid %d killed: "
"out of swap\n",
p->p_pid, p->p_comm,
p->p_cred && p->p_ucred ?
p->p_ucred->cr_uid : -1);
trapsignal(p, SIGKILL, EXC_DSI);
} else {
trapsignal(p, SIGSEGV, EXC_DSI);
}
}
break;
case EXC_ISI|EXC_USER:
{
int ftype;
ftype = VM_PROT_READ | VM_PROT_EXECUTE;
if (uvm_fault(&p->p_vmspace->vm_map,
trunc_page(frame->srr0), 0, ftype)
== KERN_SUCCESS)
break;
}
trapsignal(p, SIGSEGV, EXC_ISI);
break;
case EXC_SC|EXC_USER:
{
struct sysent *callp;
size_t argsize;
register_t code, error;
register_t *params, rval[2];
int nsys, n;
register_t args[10];
uvmexp.syscalls++;
nsys = p->p_emul->e_nsysent;
callp = p->p_emul->e_sysent;
code = frame->fixreg[0];
params = frame->fixreg + FIRSTARG;
switch (code) {
case SYS_syscall:
/*
* code is first argument,
* followed by actual args.
*/
code = *params++;
break;
case SYS___syscall:
/*
* Like syscall, but code is a quad,
* so as to maintain quad alignment
* for the rest of the args.
*/
if (callp != sysent)
break;
params++;
code = *params++;
break;
default:
break;
}
if (code < 0 || code >= nsys)
callp += p->p_emul->e_nosys;
else
callp += code;
argsize = callp->sy_argsize;
n = NARGREG - (params - (frame->fixreg + FIRSTARG));
if (argsize > n * sizeof(register_t)) {
bcopy(params, args, n * sizeof(register_t));
if (error = copyin(MOREARGS(frame->fixreg[1]),
args + n,
argsize - n * sizeof(register_t))) {
#ifdef KTRACE
/* Can't get all the arguments! */
if (KTRPOINT(p, KTR_SYSCALL))
ktrsyscall(p, code, argsize,
args);
#endif
goto syscall_bad;
}
params = args;
}
#ifdef KTRACE
if (KTRPOINT(p, KTR_SYSCALL))
ktrsyscall(p, code, argsize, params);
#endif
rval[0] = 0;
rval[1] = frame->fixreg[FIRSTARG + 1];
switch (error = (*callp->sy_call)(p, params, rval)) {
case 0:
frame->fixreg[FIRSTARG] = rval[0];
frame->fixreg[FIRSTARG + 1] = rval[1];
frame->cr &= ~0x10000000;
break;
case ERESTART:
/*
* Set user's pc back to redo the system call.
*/
frame->srr0 -= 4;
break;
case EJUSTRETURN:
/* nothing to do */
break;
default:
syscall_bad:
if (p->p_emul->e_errno)
error = p->p_emul->e_errno[error];
frame->fixreg[FIRSTARG] = error;
frame->cr |= 0x10000000;
break;
}
#ifdef KTRACE
if (KTRPOINT(p, KTR_SYSRET))
ktrsysret(p, code, error, rval[0]);
#endif
}
break;
case EXC_FPU|EXC_USER:
if (fpuproc)
save_fpu(fpuproc);
fpuproc = p;
enable_fpu(p);
break;
case EXC_AST|EXC_USER:
/* This is just here that we trap */
break;
case EXC_ALI|EXC_USER:
if (fix_unaligned(p, frame) != 0)
trapsignal(p, SIGBUS, EXC_ALI);
else
frame->srr0 += 4;
break;
case EXC_PGM|EXC_USER:
/* XXX temporarily */
if (frame->srr1 & 0x0002000)
trapsignal(p, SIGTRAP, EXC_PGM);
else
trapsignal(p, SIGILL, EXC_PGM);
break;
case EXC_MCHK:
{
faultbuf *fb;
if (fb = p->p_addr->u_pcb.pcb_onfault) {
frame->srr0 = (*fb)[0];
frame->fixreg[1] = (*fb)[1];
frame->fixreg[2] = (*fb)[2];
frame->cr = (*fb)[3];
bcopy(&(*fb)[4], &frame->fixreg[13],
19 * sizeof(register_t));
return;
}
}
goto brain_damage;
default:
brain_damage:
printf("trap type %x at %x\n", type, frame->srr0);
#ifdef DDB
Debugger(); /* XXX temporarily */
#endif
#ifdef TRAP_PANICWAIT
printf("Press a key to panic.\n");
cngetc();
#endif
panic("trap");
}
astpending = 0; /* we are about to do it */
uvmexp.softs++;
if (p->p_flag & P_OWEUPC) {
p->p_flag &= ~P_OWEUPC;
ADDUPROF(p);
}
/* take pending signals */
{
int sig;
while (sig = CURSIG(p))
postsig(sig);
}
p->p_priority = p->p_usrpri;
if (want_resched) {
int sig;
/*
* We are being preempted.
*/
preempt(NULL);
while (sig = CURSIG(p))
postsig(sig);
}
/*
* If profiling, charge recent system time to the trapped pc.
*/
if (p->p_flag & P_PROFIL) {
extern int psratio;
addupc_task(p, frame->srr0,
(int)(p->p_sticks - sticks) * psratio);
}
/*
* If someone stole the fpu while we were away, disable it
*/
if (p != fpuproc)
frame->srr1 &= ~PSL_FP;
curcpu()->ci_schedstate.spc_curpriority = p->p_priority;
#endif
}
#if 0 /* XXX: child_return not used */
void
child_return(void *arg)
{
struct proc *p;
struct trapframe *tf;
p = arg;
tf = trapframe(p);
tf->fixreg[FIRSTARG] = 0;
tf->fixreg[FIRSTARG + 1] = 1;
tf->cr &= ~0x10000000;
tf->srr1 &= ~PSL_FP; /* Disable FPU, as we can't be fpuproc */
#ifdef KTRACE
if (KTRPOINT(p, KTR_SYSRET))
ktrsysret(p, SYS_fork, 0, 0);
#endif
/* Profiling? XXX */
curcpu()->ci_schedstate.spc_curpriority = p->p_priority;
}
#endif
static __inline void
setusr(int content)
{
__asm __volatile ("isync; mtsr %0,%1; isync"
:: "n"(USER_SR), "r"(content));
}
int
copyin(udaddr, kaddr, len)
const void *udaddr;
void *kaddr;
size_t len;
{
const char *up;
char *kp;
char *p;
size_t l;
faultbuf env;
up = udaddr;
kp = kaddr;
#if 0
if (setfault(env)) {
curpcb->pcb_onfault = 0;
return EFAULT;
}
#endif
while (len > 0) {
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
setusr(curpcb->pcb_pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
bcopy(p, kp, l);
up += l;
kp += l;
len -= l;
}
curpcb->pcb_onfault = 0;
return 0;
}
int
copyout(kaddr, udaddr, len)
const void *kaddr;
void *udaddr;
size_t len;
{
const char *kp;
char *up;
char *p;
size_t l;
faultbuf env;
kp = kaddr;
up = udaddr;
#if 0
if (setfault(env)) {
curpcb->pcb_onfault = 0;
return EFAULT;
}
#endif
while (len > 0) {
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
setusr(curpcb->pcb_pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
bcopy(kp, p, l);
up += l;
kp += l;
len -= l;
}
curpcb->pcb_onfault = 0;
return 0;
}
#if 0 /* XXX: not used yet */
/*
* kcopy(const void *src, void *dst, size_t len);
*
* Copy len bytes from src to dst, aborting if we encounter a fatal
* page fault.
*
* kcopy() _must_ save and restore the old fault handler since it is
* called by uiomove(), which may be in the path of servicing a non-fatal
* page fault.
*/
int
kcopy(const void *src, void *dst, size_t len)
{
faultbuf env, *oldfault;
oldfault = curpcb->pcb_onfault;
if (setfault(env)) {
curpcb->pcb_onfault = oldfault;
return EFAULT;
}
bcopy(src, dst, len);
curpcb->pcb_onfault = oldfault;
return 0;
}
int
badaddr(void *addr, size_t size)
{
return badaddr_read(addr, size, NULL);
}
int
badaddr_read(void *addr, size_t size, int *rptr)
{
faultbuf env;
int x;
/* Get rid of any stale machine checks that have been waiting. */
__asm __volatile ("sync; isync");
if (setfault(env)) {
curpcb->pcb_onfault = 0;
__asm __volatile ("sync");
return 1;
}
__asm __volatile ("sync");
switch (size) {
case 1:
x = *(volatile int8_t *)addr;
break;
case 2:
x = *(volatile int16_t *)addr;
break;
case 4:
x = *(volatile int32_t *)addr;
break;
default:
panic("badaddr: invalid size (%d)", size);
}
/* Make sure we took the machine check, if we caused one. */
__asm __volatile ("sync; isync");
curpcb->pcb_onfault = 0;
__asm __volatile ("sync"); /* To be sure. */
/* Use the value to avoid reorder. */
if (rptr)
*rptr = x;
return 0;
}
#endif
/*
* For now, this only deals with the particular unaligned access case
* that gcc tends to generate. Eventually it should handle all of the
* possibilities that can happen on a 32-bit PowerPC in big-endian mode.
*/
#if 0 /* XXX: Not used yet */
static int
fix_unaligned(p, frame)
struct proc *p;
struct trapframe *frame;
{
int indicator;
indicator = EXC_ALI_OPCODE_INDICATOR(frame->dsisr);
switch (indicator) {
case EXC_ALI_LFD:
case EXC_ALI_STFD:
{
int reg = EXC_ALI_RST(frame->dsisr);
double *fpr = &p->p_addr->u_pcb.pcb_fpu.fpr[reg];
/* Juggle the FPU to ensure that we've initialized
* the FPRs, and that their current state is in
* the PCB.
*/
if (fpuproc != p) {
if (fpuproc)
save_fpu(fpuproc);
enable_fpu(p);
}
save_fpu(p);
if (indicator == EXC_ALI_LFD) {
if (copyin((void *)frame->dar, fpr,
sizeof(double)) != 0)
return -1;
enable_fpu(p);
} else {
if (copyout(fpr, (void *)frame->dar,
sizeof(double)) != 0)
return -1;
}
return 0;
}
break;
}
return -1;
}
#endif
void
userret(struct proc *p, struct trapframe *frame, u_quad_t oticks)
{
/* XXX: Coming soon */
return;
}