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-rw-r--r--sys/amd64/isa/intr_machdep.c501
1 files changed, 0 insertions, 501 deletions
diff --git a/sys/amd64/isa/intr_machdep.c b/sys/amd64/isa/intr_machdep.c
deleted file mode 100644
index 0254195f5ddb..000000000000
--- a/sys/amd64/isa/intr_machdep.c
+++ /dev/null
@@ -1,501 +0,0 @@
-/*-
- * Copyright (c) 1991 The Regents of the University of California.
- * All rights reserved.
- *
- * This code is derived from software contributed to Berkeley by
- * William Jolitz.
- *
- * 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.
- *
- * from: @(#)isa.c 7.2 (Berkeley) 5/13/91
- * $Id: intr_machdep.c,v 1.15 1998/12/04 22:54:46 archie Exp $
- */
-
-#include "opt_auto_eoi.h"
-
-#include <sys/param.h>
-#ifndef SMP
-#include <machine/lock.h>
-#endif
-#include <sys/systm.h>
-#include <sys/syslog.h>
-#include <machine/ipl.h>
-#include <machine/md_var.h>
-#include <machine/segments.h>
-#if defined(APIC_IO)
-#include <machine/smp.h>
-#include <machine/smptests.h> /** FAST_HI */
-#endif /* APIC_IO */
-#include <i386/isa/isa_device.h>
-#ifdef PC98
-#include <pc98/pc98/pc98.h>
-#include <pc98/pc98/pc98_machdep.h>
-#include <pc98/pc98/epsonio.h>
-#else
-#include <i386/isa/isa.h>
-#endif
-#include <i386/isa/icu.h>
-#include "vector.h"
-
-#include <i386/isa/intr_machdep.h>
-#include <sys/interrupt.h>
-#ifdef APIC_IO
-#include <machine/clock.h>
-#endif
-
-/* XXX should be in suitable include files */
-#ifdef PC98
-#define ICU_IMR_OFFSET 2 /* IO_ICU{1,2} + 2 */
-#define ICU_SLAVEID 7
-#else
-#define ICU_IMR_OFFSET 1 /* IO_ICU{1,2} + 1 */
-#define ICU_SLAVEID 2
-#endif
-
-#ifdef APIC_IO
-/*
- * This is to accommodate "mixed-mode" programming for
- * motherboards that don't connect the 8254 to the IO APIC.
- */
-#define AUTO_EOI_1 1
-#endif
-
-u_long *intr_countp[ICU_LEN];
-inthand2_t *intr_handler[ICU_LEN];
-u_int intr_mask[ICU_LEN];
-static u_int* intr_mptr[ICU_LEN];
-void *intr_unit[ICU_LEN];
-
-static inthand_t *fastintr[ICU_LEN] = {
- &IDTVEC(fastintr0), &IDTVEC(fastintr1),
- &IDTVEC(fastintr2), &IDTVEC(fastintr3),
- &IDTVEC(fastintr4), &IDTVEC(fastintr5),
- &IDTVEC(fastintr6), &IDTVEC(fastintr7),
- &IDTVEC(fastintr8), &IDTVEC(fastintr9),
- &IDTVEC(fastintr10), &IDTVEC(fastintr11),
- &IDTVEC(fastintr12), &IDTVEC(fastintr13),
- &IDTVEC(fastintr14), &IDTVEC(fastintr15)
-#if defined(APIC_IO)
- , &IDTVEC(fastintr16), &IDTVEC(fastintr17),
- &IDTVEC(fastintr18), &IDTVEC(fastintr19),
- &IDTVEC(fastintr20), &IDTVEC(fastintr21),
- &IDTVEC(fastintr22), &IDTVEC(fastintr23)
-#endif /* APIC_IO */
-};
-
-static inthand_t *slowintr[ICU_LEN] = {
- &IDTVEC(intr0), &IDTVEC(intr1), &IDTVEC(intr2), &IDTVEC(intr3),
- &IDTVEC(intr4), &IDTVEC(intr5), &IDTVEC(intr6), &IDTVEC(intr7),
- &IDTVEC(intr8), &IDTVEC(intr9), &IDTVEC(intr10), &IDTVEC(intr11),
- &IDTVEC(intr12), &IDTVEC(intr13), &IDTVEC(intr14), &IDTVEC(intr15)
-#if defined(APIC_IO)
- , &IDTVEC(intr16), &IDTVEC(intr17), &IDTVEC(intr18), &IDTVEC(intr19),
- &IDTVEC(intr20), &IDTVEC(intr21), &IDTVEC(intr22), &IDTVEC(intr23)
-#endif /* APIC_IO */
-};
-
-static inthand2_t isa_strayintr;
-
-#ifdef PC98
-#define NMI_PARITY 0x04
-#define NMI_EPARITY 0x02
-#else
-#define NMI_PARITY (1 << 7)
-#define NMI_IOCHAN (1 << 6)
-#define ENMI_WATCHDOG (1 << 7)
-#define ENMI_BUSTIMER (1 << 6)
-#define ENMI_IOSTATUS (1 << 5)
-#endif
-
-/*
- * Handle a NMI, possibly a machine check.
- * return true to panic system, false to ignore.
- */
-int
-isa_nmi(cd)
- int cd;
-{
-#ifdef PC98
- int port = inb(0x33);
- if (epson_machine_id == 0x20)
- epson_outb(0xc16, epson_inb(0xc16) | 0x1);
- if (port & NMI_PARITY) {
- panic("BASE RAM parity error, likely hardware failure.");
- } else if (port & NMI_EPARITY) {
- panic("EXTENDED RAM parity error, likely hardware failure.");
- } else {
- printf("\nNMI Resume ??\n");
- return(0);
- }
-#else /* IBM-PC */
- int isa_port = inb(0x61);
- int eisa_port = inb(0x461);
-
- if (isa_port & NMI_PARITY)
- panic("RAM parity error, likely hardware failure.");
-
- if (isa_port & NMI_IOCHAN)
- panic("I/O channel check, likely hardware failure.");
-
- /*
- * On a real EISA machine, this will never happen. However it can
- * happen on ISA machines which implement XT style floating point
- * error handling (very rare). Save them from a meaningless panic.
- */
- if (eisa_port == 0xff)
- return(0);
-
- if (eisa_port & ENMI_WATCHDOG)
- panic("EISA watchdog timer expired, likely hardware failure.");
-
- if (eisa_port & ENMI_BUSTIMER)
- panic("EISA bus timeout, likely hardware failure.");
-
- if (eisa_port & ENMI_IOSTATUS)
- panic("EISA I/O port status error.");
-
- printf("\nNMI ISA %x, EISA %x\n", isa_port, eisa_port);
- return(0);
-#endif
-}
-
-/*
- * Fill in default interrupt table (in case of spuruious interrupt
- * during configuration of kernel, setup interrupt control unit
- */
-void
-isa_defaultirq()
-{
- int i;
-
- /* icu vectors */
- for (i = 0; i < ICU_LEN; i++)
- icu_unset(i, (inthand2_t *)NULL);
-
- /* initialize 8259's */
- outb(IO_ICU1, 0x11); /* reset; program device, four bytes */
-
- outb(IO_ICU1+ICU_IMR_OFFSET, NRSVIDT); /* starting at this vector index */
- outb(IO_ICU1+ICU_IMR_OFFSET, IRQ_SLAVE); /* slave on line 7 */
-#ifdef PC98
-#ifdef AUTO_EOI_1
- outb(IO_ICU1+ICU_IMR_OFFSET, 0x1f); /* (master) auto EOI, 8086 mode */
-#else
- outb(IO_ICU1+ICU_IMR_OFFSET, 0x1d); /* (master) 8086 mode */
-#endif
-#else /* IBM-PC */
-#ifdef AUTO_EOI_1
- outb(IO_ICU1+ICU_IMR_OFFSET, 2 | 1); /* auto EOI, 8086 mode */
-#else
- outb(IO_ICU1+ICU_IMR_OFFSET, 1); /* 8086 mode */
-#endif
-#endif /* PC98 */
- outb(IO_ICU1+ICU_IMR_OFFSET, 0xff); /* leave interrupts masked */
- outb(IO_ICU1, 0x0a); /* default to IRR on read */
-#ifndef PC98
- outb(IO_ICU1, 0xc0 | (3 - 1)); /* pri order 3-7, 0-2 (com2 first) */
-#endif /* !PC98 */
-
- outb(IO_ICU2, 0x11); /* reset; program device, four bytes */
- outb(IO_ICU2+ICU_IMR_OFFSET, NRSVIDT+8); /* staring at this vector index */
- outb(IO_ICU2+ICU_IMR_OFFSET, ICU_SLAVEID); /* my slave id is 7 */
-#ifdef PC98
- outb(IO_ICU2+ICU_IMR_OFFSET,9); /* 8086 mode */
-#else /* IBM-PC */
-#ifdef AUTO_EOI_2
- outb(IO_ICU2+ICU_IMR_OFFSET, 2 | 1); /* auto EOI, 8086 mode */
-#else
- outb(IO_ICU2+ICU_IMR_OFFSET,1); /* 8086 mode */
-#endif
-#endif /* PC98 */
- outb(IO_ICU2+ICU_IMR_OFFSET, 0xff); /* leave interrupts masked */
- outb(IO_ICU2, 0x0a); /* default to IRR on read */
-}
-
-/*
- * Caught a stray interrupt, notify
- */
-static void
-isa_strayintr(vcookiep)
- void *vcookiep;
-{
- int intr = (void **)vcookiep - &intr_unit[0];
-
- /* DON'T BOTHER FOR NOW! */
- /* for some reason, we get bursts of intr #7, even if not enabled! */
- /*
- * Well the reason you got bursts of intr #7 is because someone
- * raised an interrupt line and dropped it before the 8259 could
- * prioritize it. This is documented in the intel data book. This
- * means you have BAD hardware! I have changed this so that only
- * the first 5 get logged, then it quits logging them, and puts
- * out a special message. rgrimes 3/25/1993
- */
- /*
- * XXX TODO print a different message for #7 if it is for a
- * glitch. Glitches can be distinguished from real #7's by
- * testing that the in-service bit is _not_ set. The test
- * must be done before sending an EOI so it can't be done if
- * we are using AUTO_EOI_1.
- */
- if (intrcnt[NR_DEVICES + intr] <= 5)
- log(LOG_ERR, "stray irq %d\n", intr);
- if (intrcnt[NR_DEVICES + intr] == 5)
- log(LOG_CRIT,
- "too many stray irq %d's; not logging any more\n", intr);
-}
-
-/*
- * Return a bitmap of the current interrupt requests. This is 8259-specific
- * and is only suitable for use at probe time.
- */
-intrmask_t
-isa_irq_pending()
-{
- u_char irr1;
- u_char irr2;
-
- irr1 = inb(IO_ICU1);
- irr2 = inb(IO_ICU2);
- return ((irr2 << 8) | irr1);
-}
-
-int
-update_intr_masks(void)
-{
- int intr, n=0;
- u_int mask,*maskptr;
-
- for (intr=0; intr < ICU_LEN; intr ++) {
-#if defined(APIC_IO)
- /* no 8259 SLAVE to ignore */
-#else
- if (intr==ICU_SLAVEID) continue; /* ignore 8259 SLAVE output */
-#endif /* APIC_IO */
- maskptr = intr_mptr[intr];
- if (!maskptr) continue;
- *maskptr |= 1 << intr;
- mask = *maskptr;
- if (mask != intr_mask[intr]) {
-#if 0
- printf ("intr_mask[%2d] old=%08x new=%08x ptr=%p.\n",
- intr, intr_mask[intr], mask, maskptr);
-#endif
- intr_mask[intr]=mask;
- n++;
- }
-
- }
- return (n);
-}
-
-/*
- * The find_device_id function is only required because of the way the
- * device names are currently stored for reporting in systat or vmstat.
- * In fact, those programs should be modified to use the sysctl interface
- * to obtain a list of driver names by traversing intreclist_head[irq].
- */
-static int
-find_device_id(int irq)
-{
- char buf[16];
- char *cp;
- int free_id, id;
-
- snprintf(buf, sizeof(buf), "pci irq%d", irq);
- cp = intrnames;
- /* default to 0, which corresponds to clk0 */
- free_id = 0;
-
- for (id = 0; id < NR_DEVICES; id++) {
- if (strcmp(cp, buf) == 0)
- return (id);
- if (free_id == 0 && strcmp(cp, "pci irqnn") == 0)
- free_id = id;
- while (*cp++ != '\0');
- }
-#if 0
- if (free_id == 0) {
- /*
- * All pci irq counters are in use, perhaps because config
- * is old so there aren't any. Abuse the clk0 counter.
- */
- printf("\tcounting shared irq%d as clk0 irq\n", irq);
- }
-#endif
- return (free_id);
-}
-
-void
-update_intrname(int intr, int device_id)
-{
- char *cp;
- int id;
-
- if (device_id == -1)
- device_id = find_device_id(intr);
-
- if ((u_int)device_id >= NR_DEVICES)
- return;
-
- intr_countp[intr] = &intrcnt[device_id];
-
- for (cp = intrnames, id = 0; id <= device_id; id++)
- while (*cp++ != '\0')
- ;
- if (cp > eintrnames)
- return;
- if (intr < 10) {
- cp[-3] = intr + '0';
- cp[-2] = ' ';
- } else if (intr < 20) {
- cp[-3] = '1';
- cp[-2] = intr - 10 + '0';
- } else {
- cp[-3] = '2';
- cp[-2] = intr - 20 + '0';
- }
-}
-
-
-int
-icu_setup(int intr, inthand2_t *handler, void *arg, u_int *maskptr, int flags)
-{
-#ifdef FAST_HI
- int select; /* the select register is 8 bits */
- int vector;
- u_int32_t value; /* the window register is 32 bits */
-#endif /* FAST_HI */
- u_long ef;
- u_int mask = (maskptr ? *maskptr : 0);
-
-#if defined(APIC_IO)
- if ((u_int)intr >= ICU_LEN) /* no 8259 SLAVE to ignore */
-#else
- if ((u_int)intr >= ICU_LEN || intr == ICU_SLAVEID)
-#endif /* APIC_IO */
- if (intr_handler[intr] != isa_strayintr)
- return (EBUSY);
-
- ef = read_eflags();
- disable_intr();
- intr_handler[intr] = handler;
- intr_mptr[intr] = maskptr;
- intr_mask[intr] = mask | (1 << intr);
- intr_unit[intr] = arg;
-#ifdef FAST_HI
- if (flags & INTR_FAST) {
- vector = TPR_FAST_INTS + intr;
- setidt(vector, fastintr[intr],
- SDT_SYS386IGT, SEL_KPL, GSEL(GCODE_SEL, SEL_KPL));
- }
- else {
- vector = TPR_SLOW_INTS + intr;
-#ifdef APIC_INTR_REORDER
-#ifdef APIC_INTR_HIGHPRI_CLOCK
- /* XXX: Hack (kludge?) for more accurate clock. */
- if (intr == apic_8254_intr || intr == 8) {
- vector = TPR_FAST_INTS + intr;
- }
-#endif
-#endif
- setidt(vector, slowintr[intr],
- SDT_SYS386IGT, SEL_KPL, GSEL(GCODE_SEL, SEL_KPL));
- }
-#ifdef APIC_INTR_REORDER
- set_lapic_isrloc(intr, vector);
-#endif
- /*
- * Reprogram the vector in the IO APIC.
- */
- if (int_to_apicintpin[intr].ioapic >= 0) {
- select = int_to_apicintpin[intr].redirindex;
- value = io_apic_read(int_to_apicintpin[intr].ioapic,
- select) & ~IOART_INTVEC;
- io_apic_write(int_to_apicintpin[intr].ioapic,
- select, value | vector);
- }
-#else
- setidt(ICU_OFFSET + intr,
- flags & INTR_FAST ? fastintr[intr] : slowintr[intr],
- SDT_SYS386IGT, SEL_KPL, GSEL(GCODE_SEL, SEL_KPL));
-#endif /* FAST_HI */
- INTREN(1 << intr);
- MPINTR_UNLOCK();
- write_eflags(ef);
- return (0);
-}
-
-void
-register_imask(dvp, mask)
- struct isa_device *dvp;
- u_int mask;
-{
- if (dvp->id_alive && dvp->id_irq) {
- int intr;
-
- intr = ffs(dvp->id_irq) - 1;
- intr_mask[intr] = mask | (1 <<intr);
- }
- (void) update_intr_masks();
-}
-
-int
-icu_unset(intr, handler)
- int intr;
- inthand2_t *handler;
-{
- u_long ef;
-
- if ((u_int)intr >= ICU_LEN || handler != intr_handler[intr])
- return (EINVAL);
-
- INTRDIS(1 << intr);
- ef = read_eflags();
- disable_intr();
- intr_countp[intr] = &intrcnt[NR_DEVICES + intr];
- intr_handler[intr] = isa_strayintr;
- intr_mptr[intr] = NULL;
- intr_mask[intr] = HWI_MASK | SWI_MASK;
- intr_unit[intr] = &intr_unit[intr];
-#ifdef FAST_HI_XXX
- /* XXX how do I re-create dvp here? */
- setidt(flags & INTR_FAST ? TPR_FAST_INTS + intr : TPR_SLOW_INTS + intr,
- slowintr[intr], SDT_SYS386IGT, SEL_KPL, GSEL(GCODE_SEL, SEL_KPL));
-#else /* FAST_HI */
-#ifdef APIC_INTR_REORDER
- set_lapic_isrloc(intr, ICU_OFFSET + intr);
-#endif
- setidt(ICU_OFFSET + intr, slowintr[intr], SDT_SYS386IGT, SEL_KPL,
- GSEL(GCODE_SEL, SEL_KPL));
-#endif /* FAST_HI */
- MPINTR_UNLOCK();
- write_eflags(ef);
- return (0);
-}
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