From d4fb13c8f3b33967ad21f6f766a515c18306ae73 Mon Sep 17 00:00:00 2001 From: jhb Date: Mon, 3 Nov 2003 21:00:34 +0000 Subject: Remove soon to be obsolete file to break kernel build while the new interrupt code comes in. --- sys/i386/isa/intr_machdep.c | 716 -------------------------------------------- 1 file changed, 716 deletions(-) delete mode 100644 sys/i386/isa/intr_machdep.c (limited to 'sys/i386/isa') diff --git a/sys/i386/isa/intr_machdep.c b/sys/i386/isa/intr_machdep.c deleted file mode 100644 index 9a3a807..0000000 --- a/sys/i386/isa/intr_machdep.c +++ /dev/null @@ -1,716 +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 - */ - -#include -__FBSDID("$FreeBSD$"); - -#include "opt_auto_eoi.h" -#include "opt_isa.h" -#include "opt_mca.h" - -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include -#include - -#include -#include - -#if defined(APIC_IO) -#include /** FAST_HI */ -#include -#include -#endif /* APIC_IO */ -#ifdef PC98 -#include -#include -#include -#else -#include -#endif -#include - -#ifdef DEV_ISA -#include -#endif -#include -#include -#ifdef APIC_IO -#include -#endif - -#ifdef DEV_MCA -#include -#endif - -/* - * Per-interrupt data. - */ -u_long *intr_countp[ICU_LEN]; /* pointers to interrupt counters */ -driver_intr_t *intr_handler[ICU_LEN]; /* first level interrupt handler */ -struct ithd *ithds[ICU_LEN]; /* real interrupt handler */ -void *intr_unit[ICU_LEN]; - -static struct mtx ithds_table_lock; /* protect the ithds table */ - -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), - IDTVEC(fastintr24), IDTVEC(fastintr25), - IDTVEC(fastintr26), IDTVEC(fastintr27), - IDTVEC(fastintr28), IDTVEC(fastintr29), - IDTVEC(fastintr30), IDTVEC(fastintr31), -#endif /* APIC_IO */ -}; - -static unpendhand_t *fastunpend[ICU_LEN] = { - IDTVEC(fastunpend0), IDTVEC(fastunpend1), - IDTVEC(fastunpend2), IDTVEC(fastunpend3), - IDTVEC(fastunpend4), IDTVEC(fastunpend5), - IDTVEC(fastunpend6), IDTVEC(fastunpend7), - IDTVEC(fastunpend8), IDTVEC(fastunpend9), - IDTVEC(fastunpend10), IDTVEC(fastunpend11), - IDTVEC(fastunpend12), IDTVEC(fastunpend13), - IDTVEC(fastunpend14), IDTVEC(fastunpend15), -#if defined(APIC_IO) - IDTVEC(fastunpend16), IDTVEC(fastunpend17), - IDTVEC(fastunpend18), IDTVEC(fastunpend19), - IDTVEC(fastunpend20), IDTVEC(fastunpend21), - IDTVEC(fastunpend22), IDTVEC(fastunpend23), - IDTVEC(fastunpend24), IDTVEC(fastunpend25), - IDTVEC(fastunpend26), IDTVEC(fastunpend27), - IDTVEC(fastunpend28), IDTVEC(fastunpend29), - IDTVEC(fastunpend30), IDTVEC(fastunpend31), -#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), - IDTVEC(intr24), IDTVEC(intr25), IDTVEC(intr26), IDTVEC(intr27), - IDTVEC(intr28), IDTVEC(intr29), IDTVEC(intr30), IDTVEC(intr31), -#endif /* APIC_IO */ -}; - -static driver_intr_t isa_strayintr; - -static void ithds_init(void *dummy); -static void ithread_enable(int vector); -static void ithread_disable(int vector); -static void init_i8259(void); - -#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 - -#ifdef DEV_ISA -/* - * Bus attachment for the ISA PIC. - */ -static struct isa_pnp_id atpic_ids[] = { - { 0x0000d041 /* PNP0000 */, "AT interrupt controller" }, - { 0 } -}; - -static int -atpic_probe(device_t dev) -{ - int result; - - if ((result = ISA_PNP_PROBE(device_get_parent(dev), dev, atpic_ids)) <= 0) - device_quiet(dev); - return(result); -} - -/* - * In the APIC_IO case we might be granted IRQ 2, as this is typically - * consumed by chaining between the two PIC components. If we're using - * the APIC, however, this may not be the case, and as such we should - * free the resource. (XXX untested) - * - * The generic ISA attachment code will handle allocating any other resources - * that we don't explicitly claim here. - */ -static int -atpic_attach(device_t dev) -{ -#ifdef APIC_IO - int rid; - struct resource *res; - - /* try to allocate our IRQ and then free it */ - rid = 0; - res = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1, 0); - if (res != NULL) - bus_release_resource(dev, SYS_RES_IRQ, rid, res); -#endif - return(0); -} - -static device_method_t atpic_methods[] = { - /* Device interface */ - DEVMETHOD(device_probe, atpic_probe), - DEVMETHOD(device_attach, atpic_attach), - DEVMETHOD(device_detach, bus_generic_detach), - DEVMETHOD(device_shutdown, bus_generic_shutdown), - DEVMETHOD(device_suspend, bus_generic_suspend), - DEVMETHOD(device_resume, bus_generic_resume), - { 0, 0 } -}; - -static driver_t atpic_driver = { - "atpic", - atpic_methods, - 1, /* no softc */ -}; - -static devclass_t atpic_devclass; - -DRIVER_MODULE(atpic, isa, atpic_driver, atpic_devclass, 0, 0); -DRIVER_MODULE(atpic, acpi, atpic_driver, atpic_devclass, 0, 0); -#endif /* DEV_ISA */ - -/* - * Handle a NMI, possibly a machine check. - * return true to panic system, false to ignore. - */ -int -isa_nmi(cd) - int cd; -{ - int retval = 0; -#ifdef PC98 - int port = inb(0x33); - - log(LOG_CRIT, "NMI PC98 port = %x\n", port); - if (epson_machine_id == 0x20) - epson_outb(0xc16, epson_inb(0xc16) | 0x1); - if (port & NMI_PARITY) { - log(LOG_CRIT, "BASE RAM parity error, likely hardware failure."); - retval = 1; - } else if (port & NMI_EPARITY) { - log(LOG_CRIT, "EXTENDED RAM parity error, likely hardware failure."); - retval = 1; - } else { - log(LOG_CRIT, "\nNMI Resume ??\n"); - } -#else /* IBM-PC */ - int isa_port = inb(0x61); - int eisa_port = inb(0x461); - - log(LOG_CRIT, "NMI ISA %x, EISA %x\n", isa_port, eisa_port); -#ifdef DEV_MCA - if (MCA_system && mca_bus_nmi()) - return(0); -#endif - - if (isa_port & NMI_PARITY) { - log(LOG_CRIT, "RAM parity error, likely hardware failure."); - retval = 1; - } - - if (isa_port & NMI_IOCHAN) { - log(LOG_CRIT, "I/O channel check, likely hardware failure."); - retval = 1; - } - - /* - * 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(retval); - - if (eisa_port & ENMI_WATCHDOG) { - log(LOG_CRIT, "EISA watchdog timer expired, likely hardware failure."); - retval = 1; - } - - if (eisa_port & ENMI_BUSTIMER) { - log(LOG_CRIT, "EISA bus timeout, likely hardware failure."); - retval = 1; - } - - if (eisa_port & ENMI_IOSTATUS) { - log(LOG_CRIT, "EISA I/O port status error."); - retval = 1; - } -#endif - return(retval); -} - -/* - * ICU reinitialize when ICU configuration has lost. - */ -void -icu_reinit() -{ - int i; - register_t crit; - - crit = intr_disable(); - mtx_lock_spin(&icu_lock); - init_i8259(); - for(i=0;i= sizeof(buf)) - goto use_bitbucket; - - /* - * Search for `buf' in `intrnames'. In the usual case when it is - * not found, append it to the end if there is enough space (the \0 - * terminator for the previous string, if any, becomes a separator). - */ - for (cp = intrnames, name_index = 0; - cp != eintrnames && name_index < NR_INTRNAMES; - cp += strlen(cp) + 1, name_index++) { - if (*cp == '\0') { - if (strlen(buf) >= eintrnames - cp) - break; - strcpy(cp, buf); - goto found; - } - if (strcmp(cp, buf) == 0) - goto found; - } - -use_bitbucket: - printf("update_intrname: counting %s irq%d as %s\n", name, intr, - intrnames); - name_index = 0; -found: - intr_countp[intr] = &intrcnt[name_index]; -} - -int -icu_setup(int intr, driver_intr_t *handler, void *arg, 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 */ - register_t crit; - -#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 */ - return (EINVAL); -#if 0 - if (intr_handler[intr] != isa_strayintr) - return (EBUSY); -#endif - - crit = intr_disable(); - mtx_lock_spin(&icu_lock); - intr_handler[intr] = handler; - 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; - 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); - mtx_unlock_spin(&icu_lock); - intr_restore(crit); - return (0); -} - -/* - * Dissociate an interrupt handler from an IRQ and set the handler to - * the stray interrupt handler. The 'handler' parameter is used only - * for consistency checking. - */ -int -icu_unset(intr, handler) - int intr; - driver_intr_t *handler; -{ - register_t crit; - - if ((u_int)intr >= ICU_LEN || handler != intr_handler[intr]) - return (EINVAL); - - crit = intr_disable(); - mtx_lock_spin(&icu_lock); - INTRDIS(1 << intr); - intr_countp[intr] = &intrcnt[1 + intr]; - intr_handler[intr] = isa_strayintr; - 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 */ - mtx_unlock_spin(&icu_lock); - intr_restore(crit); - return (0); -} - -static void -ithds_init(void *dummy) -{ - - mtx_init(&ithds_table_lock, "ithread table lock", NULL, MTX_SPIN); -} -SYSINIT(ithds_init, SI_SUB_INTR, SI_ORDER_SECOND, ithds_init, NULL); - -static void -ithread_enable(int vector) -{ - register_t crit; - - crit = intr_disable(); - mtx_lock_spin(&icu_lock); - INTREN(1 << vector); - mtx_unlock_spin(&icu_lock); - intr_restore(crit); -} - -static void -ithread_disable(int vector) -{ - register_t crit; - - crit = intr_disable(); - mtx_lock_spin(&icu_lock); - INTRDIS(1 << vector); - mtx_unlock_spin(&icu_lock); - intr_restore(crit); -} - -int -inthand_add(const char *name, int irq, driver_intr_t handler, void *arg, - enum intr_type flags, void **cookiep) -{ - struct ithd *ithd; /* descriptor for the IRQ */ - int errcode = 0; - int created_ithd = 0; - - /* - * Work around a race where more than one CPU may be registering - * handlers on the same IRQ at the same time. - */ - mtx_lock_spin(&ithds_table_lock); - ithd = ithds[irq]; - mtx_unlock_spin(&ithds_table_lock); - if (ithd == NULL) { - errcode = ithread_create(&ithd, irq, 0, ithread_disable, - ithread_enable, "irq%d:", irq); - if (errcode) - return (errcode); - mtx_lock_spin(&ithds_table_lock); - if (ithds[irq] == NULL) { - ithds[irq] = ithd; - created_ithd++; - mtx_unlock_spin(&ithds_table_lock); - } else { - struct ithd *orphan; - - orphan = ithd; - ithd = ithds[irq]; - mtx_unlock_spin(&ithds_table_lock); - ithread_destroy(orphan); - } - } - - errcode = ithread_add_handler(ithd, name, handler, arg, - ithread_priority(flags), flags, cookiep); - - if ((flags & INTR_FAST) == 0 || errcode) - /* - * The interrupt process must be in place, but - * not necessarily schedulable, before we - * initialize the ICU, since it may cause an - * immediate interrupt. - */ - if (icu_setup(irq, sched_ithd, arg, flags) != 0) - panic("inthand_add: Can't initialize ICU"); - - if (errcode) - return (errcode); - - if (flags & INTR_FAST) { - errcode = icu_setup(irq, handler, arg, flags); - if (errcode && bootverbose) - printf("\tinthand_add(irq%d) failed, result=%d\n", - irq, errcode); - if (errcode) - return (errcode); - } - - update_intrname(irq, name); - return (0); -} - -/* - * Deactivate and remove linked list the interrupt handler descriptor - * data connected created by an earlier call of inthand_add(), then - * adjust the interrupt masks if necessary. - * - * Return the memory held by the interrupt handler descriptor data - * structure to the system. First ensure the handler is not actively - * in use. - */ -int -inthand_remove(void *cookie) -{ - - return (ithread_remove_handler(cookie)); -} - -void -call_fast_unpend(int irq) -{ - fastunpend[irq](); -} - -- cgit v1.1