/*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2007 Apple Inc. All rights reserved.
*
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
- * The contents of this file constitute Original Code as defined in and
- * are subject to the Apple Public Source License Version 1.1 (the
- * "License"). You may not use this file except in compliance with the
- * License. Please obtain a copy of the License at
- * http://www.apple.com/publicsource and read it before using this file.
+ * This file contains Original Code and/or Modifications of Original Code
+ * as defined in and that are subject to the Apple Public Source License
+ * Version 2.0 (the 'License'). You may not use this file except in
+ * compliance with the License. The rights granted to you under the License
+ * may not be used to create, or enable the creation or redistribution of,
+ * unlawful or unlicensed copies of an Apple operating system, or to
+ * circumvent, violate, or enable the circumvention or violation of, any
+ * terms of an Apple operating system software license agreement.
*
- * This Original Code and all software distributed under the License are
- * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
+ * Please obtain a copy of the License at
+ * http://www.opensource.apple.com/apsl/ and read it before using this file.
+ *
+ * The Original Code and all software distributed under the License are
+ * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER
* EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
* INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the
- * License for the specific language governing rights and limitations
- * under the License.
+ * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
+ * limitations under the License.
*
- * @APPLE_LICENSE_HEADER_END@
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
*/
/*
* @OSF_COPYRIGHT@
/*
* @APPLE_FREE_COPYRIGHT@
*/
+
#include <kern/misc_protos.h>
#include <kern/assert.h>
#include <kern/thread.h>
#include <kern/counters.h>
+#include <kern/etimer.h>
+#include <kern/pms.h>
#include <ppc/misc_protos.h>
+#include <ppc/trap.h>
#include <ppc/proc_reg.h>
#include <ppc/exception.h>
#include <ppc/savearea.h>
+#include <ppc/vmachmon.h>
+#include <ppc/machine_cpu.h>
#include <pexpert/pexpert.h>
-#if NCPUS > 1
-#include <ppc/POWERMAC/mp/MPPlugIn.h>
-#endif /* NCPUS > 1 */
#include <sys/kdebug.h>
-struct ppc_saved_state * interrupt(
+volatile perfCallback perfIntHook; /* Pointer to CHUD trap hook routine */
+
+#if CONFIG_DTRACE
+#if (DEVELOPMENT || DEBUG )
+#include <mach/sdt.h>
+#endif
+
+extern vm_offset_t dtrace_get_cpu_int_stack_top(void);
+
+vm_offset_t dtrace_get_cpu_int_stack_top(void)
+{
+ return getPerProc()->intstack_top_ss;
+}
+
+/* See <rdar://problem/4613924> */
+perfCallback tempDTraceIntHook; /* Pointer to DTrace fbt int handler */
+#endif
+
+void unresolved_kernel_trap(int trapno,
+ struct savearea *ssp,
+ unsigned int dsisr,
+ addr64_t dar,
+ const char *message);
+
+unsigned int isync_mfdec(void);
+
+struct savearea * interrupt(
int type,
- struct ppc_saved_state *ssp,
+ struct savearea *ssp,
unsigned int dsisr,
unsigned int dar)
{
- int current_cpu, tmpr, targtemp;
- unsigned int throttle;
+ int current_cpu;
+ struct per_proc_info *proc_info;
uint64_t now;
- thread_act_t act;
+ thread_t thread;
disable_preemption();
-
- current_cpu = cpu_number();
-
- switch (type) {
-
- case T_THERMAL: /* Fix the air conditioning, I'm dripping with sweat, or freezing, whatever... */
-/*
- * Note that this code is just a hackification until we have a real thermal plan.
- */
-
- tmpr = ml_read_temp(); /* Find out just how hot it is */
- targtemp = (dar >> 23) & 0x7F; /* Get the temprature we were looking for */
- if(dar & 4) { /* Did the temprature drop down? */
-#if 1
- kprintf("THERMAL below (cpu %d) target = %d; actual = %d; thrm = %08X\n", current_cpu, targtemp, tmpr, dar);
-#endif
-#if 0
- throttle = ml_throttle(0); /* Set throttle off */
-#if 1
- kprintf("THERMAL (cpu %d) throttle set off; last = %d\n", current_cpu, throttle);
-#endif
+ perfCallback fn = perfIntHook;
+ if(fn) { /* Is there a hook? */
+ if(fn(type, ssp, dsisr, dar) == KERN_SUCCESS) return ssp; /* If it succeeds, we are done... */
+ }
+
+#if CONFIG_DTRACE
+ if(tempDTraceIntHook) { /* Is there a hook? */
+ if(tempDTraceIntHook(type, ssp, dsisr, dar) == KERN_SUCCESS) return ssp; /* If it succeeds, we are done... */
+ }
#endif
- ml_thrm_set(0, per_proc_info[current_cpu].thrm.throttleTemp); /* Set no low temp and max allowable as max */
-#if 1
- kprintf("THERMAL (cpu %d) temp set to: off min, %d max\n", current_cpu, per_proc_info[current_cpu].thrm.throttleTemp);
-#endif
- }
- else {
-#if 1
- kprintf("THERMAL above (cpu %d) target = %d; actual = %d; thrm = %08X\n", current_cpu, targtemp, tmpr, dar);
-#endif
#if 0
- throttle = ml_throttle(32); /* Set throttle on about 1/8th */
-#if 1
- kprintf("THERMAL (cpu %d) throttle set to 32; last = %d\n", current_cpu, throttle);
-#endif
+ {
+ extern void fctx_text(void);
+ fctx_test();
+ }
#endif
- ml_thrm_set(per_proc_info[current_cpu].thrm.throttleTemp - 4, 0); /* Set low temp to max - 4 and max off */
-#if 1
- kprintf("THERMAL (cpu %d) temp set to: %d min, off max\n", current_cpu, per_proc_info[current_cpu].thrm.throttleTemp - 4);
-#endif
- }
- break;
-
+
+ current_cpu = cpu_number();
+ proc_info = getPerProc();
+
+ switch (type) {
+
case T_DECREMENTER:
KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_DECI, 0) | DBG_FUNC_NONE,
- isync_mfdec(), ((savearea *)ssp)->save_srr0, 0, 0, 0);
+ isync_mfdec(), (unsigned int)ssp->save_srr0, 0, 0, 0);
-#if 0
- if (pcsample_enable) {
- if (find_user_regs(current_act()))
- add_pcsamples (user_pc(current_act()));
+ now = mach_absolute_time(); /* Find out what time it is */
+
+ if(now >= proc_info->pms.pmsPop) { /* Is it time for power management state change? */
+ pmsStep(1); /* Yes, advance step */
+ now = mach_absolute_time(); /* Get the time again since we ran a bit */
}
-#endif
- act = current_act(); /* Find ourselves */
- if(act->mact.qactTimer != 0) { /* Is the timer set? */
- clock_get_uptime(&now); /* Find out what time it is */
- if (act->mact.qactTimer <= now) { /* It is set, has it popped? */
- act->mact.qactTimer = 0; /* Clear single shot timer */
- if((unsigned int)act->mact.vmmControl & 0xFFFFFFFE) { /* Are there any virtual machines? */
- vmm_timer_pop(act); /* Yes, check out them out... */
+ thread = current_thread(); /* Find ourselves */
+ if(thread->machine.qactTimer != 0) { /* Is the timer set? */
+ if (thread->machine.qactTimer <= now) { /* It is set, has it popped? */
+ thread->machine.qactTimer = 0; /* Clear single shot timer */
+ if((unsigned int)thread->machine.vmmControl & 0xFFFFFFFE) { /* Are there any virtual machines? */
+ vmm_timer_pop(thread); /* Yes, check out them out... */
}
}
}
- rtclock_intr(0, ssp, 0);
+ etimer_intr(USER_MODE(ssp->save_srr1), ssp->save_srr0); /* Handle event timer */
break;
case T_INTERRUPT:
/* Call the platform interrupt routine */
- counter_always(c_incoming_interrupts++);
+ counter(c_incoming_interrupts++);
KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) | DBG_FUNC_START,
- current_cpu, ((savearea *)ssp)->save_srr0, 0, 0, 0);
+ current_cpu, (unsigned int)ssp->save_srr0, 0, 0, 0);
- per_proc_info[current_cpu].interrupt_handler(
- per_proc_info[current_cpu].interrupt_target,
- per_proc_info[current_cpu].interrupt_refCon,
- per_proc_info[current_cpu].interrupt_nub,
- per_proc_info[current_cpu].interrupt_source);
+#if CONFIG_DTRACE && (DEVELOPMENT || DEBUG )
+ DTRACE_INT5(interrupt__start, void *, proc_info->interrupt_nub, int, proc_info->interrupt_source,
+ void *, proc_info->interrupt_target, IOInterruptHandler, proc_info->interrupt_handler,
+ void *, proc_info->interrupt_refCon);
+#endif
+
+ proc_info->interrupt_handler(
+ proc_info->interrupt_target,
+ proc_info->interrupt_refCon,
+ proc_info->interrupt_nub,
+ proc_info->interrupt_source);
+#if CONFIG_DTRACE && (DEVELOPMENT || DEBUG )
+ DTRACE_INT5(interrupt__complete, void *, proc_info->interrupt_nub, int, proc_info->interrupt_source,
+ void *, proc_info->interrupt_target, IOInterruptHandler, proc_info->interrupt_handler,
+ void *, proc_info->interrupt_refCon);
+#endif
+
KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_INTR, 0) | DBG_FUNC_END,
0, 0, 0, 0, 0);
default:
- #if MACH_KDP || MACH_KDB
- (void)Call_Debugger(type, ssp);
- #else
- panic("Invalid interrupt type %x\n", type);
- #endif
+ if (!Call_Debugger(type, ssp))
+ unresolved_kernel_trap(type, ssp, dsisr, dar, NULL);
break;
}
projects / apple / xnu.git / blobdiff