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Allow a native i386 kernel to be built with 'nodevice atpic'. Just as on
amd64, if 'device isa' is present quiesce the 8259A's during boot and resume from suspend. While here, be more selective on amd64 about which kernel configurations need elcr.c. MFC after: 2 weeks
This commit is contained in:
John Baldwin
parent
5e9fcac6f4
commit
ad47abd20c
Notes:
svn2git
2020-12-20 02:59:44 +00:00
svn path=/head/; revision=232744
@ -466,7 +466,7 @@ x86/cpufreq/p4tcc.c optional cpufreq
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x86/isa/atpic.c optional atpic isa
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x86/isa/atrtc.c standard
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x86/isa/clock.c standard
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x86/isa/elcr.c standard
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x86/isa/elcr.c optional atpic isa | mptable
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x86/isa/isa.c standard
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x86/isa/isa_dma.c standard
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x86/isa/nmi.c standard
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@ -516,9 +516,9 @@ x86/cpufreq/p4tcc.c optional cpufreq
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x86/cpufreq/powernow.c optional cpufreq
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x86/cpufreq/smist.c optional cpufreq
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x86/isa/atpic.c optional atpic
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x86/isa/atrtc.c optional atpic
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x86/isa/atrtc.c optional native
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x86/isa/clock.c optional native
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x86/isa/elcr.c standard
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x86/isa/elcr.c optional atpic | apic native
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x86/isa/isa.c optional isa
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x86/isa/isa_dma.c optional isa
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x86/isa/nmi.c standard
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@ -35,6 +35,7 @@
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*/
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#include "opt_apic.h"
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#include "opt_atpic.h"
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#include "opt_hwpmc_hooks.h"
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#include "opt_kdtrace.h"
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#include "opt_npx.h"
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@ -299,14 +300,18 @@ ENTRY(fork_trampoline)
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SUPERALIGN_TEXT
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MCOUNT_LABEL(bintr)
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#ifdef DEV_ATPIC
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#include <i386/i386/atpic_vector.s>
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#endif
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#ifdef DEV_APIC
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#if defined(DEV_APIC) && defined(DEV_ATPIC)
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.data
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.p2align 4
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.text
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SUPERALIGN_TEXT
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#endif
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#ifdef DEV_APIC
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#include <i386/i386/apic_vector.s>
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#endif
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@ -37,6 +37,7 @@
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* that source.
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*/
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#include "opt_atpic.h"
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#include "opt_ddb.h"
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#include <sys/param.h>
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@ -57,6 +58,14 @@
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#include <ddb/ddb.h>
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#endif
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#ifndef DEV_ATPIC
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#include <machine/segments.h>
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#include <machine/frame.h>
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#include <dev/ic/i8259.h>
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#include <x86/isa/icu.h>
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#include <x86/isa/isa.h>
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#endif
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#define MAX_STRAY_LOG 5
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typedef void (*mask_fn)(void *);
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@ -270,6 +279,9 @@ intr_resume(void)
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{
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struct pic *pic;
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#ifndef DEV_ATPIC
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atpic_reset();
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#endif
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mtx_lock(&intr_table_lock);
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STAILQ_FOREACH(pic, &pics, pics) {
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if (pic->pic_resume != NULL)
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@ -371,6 +383,28 @@ intr_init(void *dummy __unused)
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}
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SYSINIT(intr_init, SI_SUB_INTR, SI_ORDER_FIRST, intr_init, NULL);
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#ifndef DEV_ATPIC
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/* Initialize the two 8259A's to a known-good shutdown state. */
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void
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atpic_reset(void)
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{
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outb(IO_ICU1, ICW1_RESET | ICW1_IC4);
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outb(IO_ICU1 + ICU_IMR_OFFSET, IDT_IO_INTS);
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outb(IO_ICU1 + ICU_IMR_OFFSET, 1 << 2);
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outb(IO_ICU1 + ICU_IMR_OFFSET, ICW4_8086);
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outb(IO_ICU1 + ICU_IMR_OFFSET, 0xff);
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outb(IO_ICU1, OCW3_SEL | OCW3_RR);
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outb(IO_ICU2, ICW1_RESET | ICW1_IC4);
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outb(IO_ICU2 + ICU_IMR_OFFSET, IDT_IO_INTS + 8);
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outb(IO_ICU2 + ICU_IMR_OFFSET, 2);
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outb(IO_ICU2 + ICU_IMR_OFFSET, ICW4_8086);
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outb(IO_ICU2 + ICU_IMR_OFFSET, 0xff);
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outb(IO_ICU2, OCW3_SEL | OCW3_RR);
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}
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#endif
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/* Add a description to an active interrupt handler. */
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int
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intr_describe(u_int vector, void *ih, const char *descr)
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@ -41,6 +41,7 @@
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__FBSDID("$FreeBSD$");
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#include "opt_atalk.h"
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#include "opt_atpic.h"
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#include "opt_compat.h"
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#include "opt_cpu.h"
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#include "opt_ddb.h"
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@ -2712,8 +2713,22 @@ init386(first)
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printf("WARNING: loader(8) metadata is missing!\n");
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#ifdef DEV_ISA
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#ifdef DEV_ATPIC
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elcr_probe();
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atpic_startup();
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#else
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/* Reset and mask the atpics and leave them shut down. */
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atpic_reset();
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/*
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* Point the ICU spurious interrupt vectors at the APIC spurious
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* interrupt handler.
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*/
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setidt(IDT_IO_INTS + 7, IDTVEC(spuriousint), SDT_SYS386IGT, SEL_KPL,
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GSEL(GCODE_SEL, SEL_KPL));
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setidt(IDT_IO_INTS + 15, IDTVEC(spuriousint), SDT_SYS386IGT, SEL_KPL,
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GSEL(GCODE_SEL, SEL_KPL));
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#endif
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#endif
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#ifdef DDB
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@ -2971,8 +2986,22 @@ init386(first)
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printf("WARNING: loader(8) metadata is missing!\n");
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#ifdef DEV_ISA
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#ifdef DEV_ATPIC
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elcr_probe();
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atpic_startup();
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#else
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/* Reset and mask the atpics and leave them shut down. */
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atpic_reset();
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/*
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* Point the ICU spurious interrupt vectors at the APIC spurious
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* interrupt handler.
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*/
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setidt(IDT_IO_INTS + 7, IDTVEC(spuriousint), SDT_SYS386IGT, SEL_KPL,
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GSEL(GCODE_SEL, SEL_KPL));
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setidt(IDT_IO_INTS + 15, IDTVEC(spuriousint), SDT_SYS386IGT, SEL_KPL,
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GSEL(GCODE_SEL, SEL_KPL));
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#endif
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#endif
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#ifdef DDB
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@ -123,6 +123,9 @@ struct trapframe;
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extern struct mtx icu_lock;
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extern int elcr_found;
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#ifndef DEV_ATPIC
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void atpic_reset(void);
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#endif
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/* XXX: The elcr_* prototypes probably belong somewhere else. */
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int elcr_probe(void);
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enum intr_trigger elcr_read_trigger(u_int irq);
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