/*
- * Copyright (c) 2000-2005 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>
#include <sys/kdebug.h>
-perfCallback perfIntHook = 0; /* Pointer to CHUD trap hook routine */
+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,
addr64_t dar,
const char *message);
+unsigned int isync_mfdec(void);
+
struct savearea * interrupt(
int type,
struct savearea *ssp,
disable_preemption();
- if(perfIntHook) { /* Is there a hook? */
- if(perfIntHook(type, ssp, dsisr, dar) == KERN_SUCCESS) return ssp; /* If it succeeds, we are done... */
+ 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
+
#if 0
{
extern void fctx_text(void);
KERNEL_DEBUG_CONSTANT(MACHDBG_CODE(DBG_MACH_EXCP_DECI, 0) | DBG_FUNC_NONE,
isync_mfdec(), (unsigned int)ssp->save_srr0, 0, 0, 0);
-#if 0
- if (pcsample_enable) {
- if (find_user_regs(current_thread()))
- add_pcsamples (user_pc(current_thread()));
- }
-#endif
-
now = mach_absolute_time(); /* Find out what time it is */
if(now >= proc_info->pms.pmsPop) { /* Is it time for power management state change? */
}
}
- rtclock_intr(ssp);
+ 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, (unsigned int)ssp->save_srr0, 0, 0, 0);
+#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);
projects / apple / xnu.git / blobdiff