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Collect all functions for copying to and from userspace into the one file.

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This allows me to reimplement [sf]u{byte,word} as separate functions and not
as calls to copy{in,out}.
This commit is contained in:
Benno Rice 2002-03-21 23:45:59 +00:00
parent 4d826ecfbc
commit bf76ba7826
Notes: svn2git 2020-12-20 02:59:44 +00:00 
svn path=/head/; revision=92916
10 changed files with 522 additions and 480 deletions
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7
sys/conf/files.powerpc
View File

@ -14,20 +14,17 @@ powerpc/powerpc/atomic.s standard
powerpc/powerpc/autoconf.c standard
powerpc/powerpc/bcopy.c standard
powerpc/powerpc/clock.c standard
powerpc/powerpc/copyinstr.c standard
powerpc/powerpc/copyinout.c standard
powerpc/powerpc/copystr.c standard
powerpc/powerpc/elf_machdep.c standard
powerpc/powerpc/extintr.c standard
powerpc/powerpc/fubyte.c standard
powerpc/powerpc/fuswintr.c standard
powerpc/powerpc/fuword.c standard
powerpc/powerpc/machdep.c standard
powerpc/powerpc/nexus.c standard
powerpc/powerpc/ofwmagic.s standard
powerpc/powerpc/ofw_machdep.c standard
powerpc/powerpc/pmap.c standard
powerpc/powerpc/subyte.c standard
powerpc/powerpc/suswintr.c standard
powerpc/powerpc/suword.c standard
powerpc/powerpc/syncicache.c standard
powerpc/powerpc/sys_machdep.c standard
powerpc/powerpc/swtch.s standard

260
sys/powerpc/aim/copyinout.c Normal file
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@ -0,0 +1,260 @@
/*
* Copyright (C) 2002 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) 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.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <vm/vm_map.h>
/*
* Makes sure that the right segment of userspace is mapped in.
*/
static __inline void
set_user_sr(register_t vsid)
{
isync();
__asm __volatile ("mtsr %0,%1" :: "n"(USER_SR), "r"(vsid));
isync();
}
int
copyout(const void *kaddr, void *udaddr, size_t len)
{
struct thread *td;
pmap_t pm;
const char *kp;
char *up, *p;
size_t l;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
kp = kaddr;
up = udaddr;
while (len > 0) {
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
set_user_sr(pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
bcopy(kp, p, l);
up += l;
kp += l;
len -= l;
}
return (0);
}
int
copyin(const void *udaddr, void *kaddr, size_t len)
{
struct thread *td;
pmap_t pm;
const char *up;
char *kp, *p;
size_t l;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
kp = kaddr;
up = udaddr;
while (len > 0) {
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
set_user_sr(pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
bcopy(p, kp, l);
up += l;
kp += l;
len -= l;
}
return (0);
}
int
copyinstr(const void *udaddr, void *kaddr, size_t len, size_t *done)
{
struct thread *td;
pmap_t pm;
const char *up;
char *kp;
size_t l;
int rv, c;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
kp = kaddr;
up = udaddr;
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);
}
int
subyte(void *addr, int byte)
{
struct thread *td;
pmap_t pm;
char *p;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
p = (char *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
*p = (char)byte;
return (0);
}
int
suibyte(void *addr, int byte)
{
return (subyte(addr, byte));
}
int
suword(void *addr, long word)
{
struct thread *td;
pmap_t pm;
long *p;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
p = (long *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
*p = word;
return (0);
}
int
fubyte(const void *addr)
{
struct thread *td;
pmap_t pm;
char *p;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
p = (char *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
return ((int)*p);
}
long
fuword(const void *addr)
{
struct thread *td;
pmap_t pm;
long *p;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
p = (long *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
return (*p);
}

90
sys/powerpc/aim/trap.c
View File

@ -554,96 +554,6 @@ child_return(void *arg)
}
#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, *p;
size_t l;
faultbuf env;
uint segment;
struct thread *td;
pmap_t pm;
up = udaddr;
kp = kaddr;
#if 0
if (setfault(env)) {
PCPU_GET(curpcb)->pcb_onfault = 0;
return EFAULT;
}
#endif
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
while (len > 0) {
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
segment = (uint)up >> ADDR_SR_SHFT;
setusr(pm->pm_sr[segment]);
bcopy(p, kp, l);
up += l;
kp += l;
len -= l;
}
PCPU_GET(curpcb)->pcb_onfault = 0;
return 0;
}
int
copyout(kaddr, udaddr, len)
const void *kaddr;
void *udaddr;
size_t len;
{
const char *kp;
char *up, *p;
size_t l;
faultbuf env;
unsigned int segment;
struct thread *td;
pmap_t pm;
kp = kaddr;
up = udaddr;
#if 0
if (setfault(env)) {
PCPU_GET(curpcb)->pcb_onfault = 0;
return EFAULT;
}
#endif
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
while (len > 0) {
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
segment = (u_int)up >> ADDR_SR_SHFT;
setusr(pm->pm_sr[segment]);
bcopy(kp, p, l);
up += l;
kp += l;
len -= l;
}
PCPU_GET(curpcb)->pcb_onfault = 0;
return 0;
}
#if 0 /* XXX: not used yet */
/*
* kcopy(const void *src, void *dst, size_t len);

260
sys/powerpc/powerpc/copyinout.c Normal file
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@ -0,0 +1,260 @@
/*
* Copyright (C) 2002 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) 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.
*/
#ifndef lint
static const char rcsid[] =
"$FreeBSD$";
#endif /* not lint */
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/proc.h>
#include <vm/vm.h>
#include <vm/pmap.h>
#include <vm/vm_map.h>
/*
* Makes sure that the right segment of userspace is mapped in.
*/
static __inline void
set_user_sr(register_t vsid)
{
isync();
__asm __volatile ("mtsr %0,%1" :: "n"(USER_SR), "r"(vsid));
isync();
}
int
copyout(const void *kaddr, void *udaddr, size_t len)
{
struct thread *td;
pmap_t pm;
const char *kp;
char *up, *p;
size_t l;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
kp = kaddr;
up = udaddr;
while (len > 0) {
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
set_user_sr(pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
bcopy(kp, p, l);
up += l;
kp += l;
len -= l;
}
return (0);
}
int
copyin(const void *udaddr, void *kaddr, size_t len)
{
struct thread *td;
pmap_t pm;
const char *up;
char *kp, *p;
size_t l;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
kp = kaddr;
up = udaddr;
while (len > 0) {
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
set_user_sr(pm->pm_sr[(u_int)up >> ADDR_SR_SHFT]);
bcopy(p, kp, l);
up += l;
kp += l;
len -= l;
}
return (0);
}
int
copyinstr(const void *udaddr, void *kaddr, size_t len, size_t *done)
{
struct thread *td;
pmap_t pm;
const char *up;
char *kp;
size_t l;
int rv, c;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
kp = kaddr;
up = udaddr;
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);
}
int
subyte(void *addr, int byte)
{
struct thread *td;
pmap_t pm;
char *p;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
p = (char *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
*p = (char)byte;
return (0);
}
int
suibyte(void *addr, int byte)
{
return (subyte(addr, byte));
}
int
suword(void *addr, long word)
{
struct thread *td;
pmap_t pm;
long *p;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
p = (long *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
*p = word;
return (0);
}
int
fubyte(const void *addr)
{
struct thread *td;
pmap_t pm;
char *p;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
p = (char *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
return ((int)*p);
}
long
fuword(const void *addr)
{
struct thread *td;
pmap_t pm;
long *p;
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
p = (long *)((u_int)USER_ADDR + ((u_int)addr & ~SEGMENT_MASK));
set_user_sr(pm->pm_sr[(u_int)addr >> ADDR_SR_SHFT]);
return (*p);
}

73
sys/powerpc/powerpc/copyinstr.c
View File

@ -1,73 +0,0 @@
/*-
* 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;
}

54
sys/powerpc/powerpc/fubyte.c
View File

@ -1,54 +0,0 @@
/*-
* 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;
}

54
sys/powerpc/powerpc/fuword.c
View File

@ -1,54 +0,0 @@
/*-
* 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;
}

61
sys/powerpc/powerpc/subyte.c
View File

@ -1,61 +0,0 @@
/*-
* 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);
}

53
sys/powerpc/powerpc/suword.c
View File

@ -1,53 +0,0 @@
/*-
* 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;
}

90
sys/powerpc/powerpc/trap.c
View File

@ -554,96 +554,6 @@ child_return(void *arg)
}
#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, *p;
size_t l;
faultbuf env;
uint segment;
struct thread *td;
pmap_t pm;
up = udaddr;
kp = kaddr;
#if 0
if (setfault(env)) {
PCPU_GET(curpcb)->pcb_onfault = 0;
return EFAULT;
}
#endif
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
while (len > 0) {
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
segment = (uint)up >> ADDR_SR_SHFT;
setusr(pm->pm_sr[segment]);
bcopy(p, kp, l);
up += l;
kp += l;
len -= l;
}
PCPU_GET(curpcb)->pcb_onfault = 0;
return 0;
}
int
copyout(kaddr, udaddr, len)
const void *kaddr;
void *udaddr;
size_t len;
{
const char *kp;
char *up, *p;
size_t l;
faultbuf env;
unsigned int segment;
struct thread *td;
pmap_t pm;
kp = kaddr;
up = udaddr;
#if 0
if (setfault(env)) {
PCPU_GET(curpcb)->pcb_onfault = 0;
return EFAULT;
}
#endif
td = PCPU_GET(curthread);
pm = &td->td_proc->p_vmspace->vm_pmap;
while (len > 0) {
p = (char *)USER_ADDR + ((u_int)up & ~SEGMENT_MASK);
l = ((char *)USER_ADDR + SEGMENT_LENGTH) - p;
if (l > len)
l = len;
segment = (u_int)up >> ADDR_SR_SHFT;
setusr(pm->pm_sr[segment]);
bcopy(kp, p, l);
up += l;
kp += l;
len -= l;
}
PCPU_GET(curpcb)->pcb_onfault = 0;
return 0;
}
#if 0 /* XXX: not used yet */
/*
* kcopy(const void *src, void *dst, size_t len);