X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/483a1d1004b64bbaaef2c64c17c6b999009a54d2..4a3eedf9ecc9bbe3f3a5c6ce5e53ad199d639d32:/osfmk/ppc/interrupt.c diff --git a/osfmk/ppc/interrupt.c b/osfmk/ppc/interrupt.c index 7924041cd..5ae0bc8f7 100644 --- a/osfmk/ppc/interrupt.c +++ b/osfmk/ppc/interrupt.c @@ -1,23 +1,29 @@ /* - * 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@ @@ -25,19 +31,48 @@ /* * @APPLE_FREE_COPYRIGHT@ */ + #include #include #include #include +#include +#include #include #include #include #include #include +#include +#include #include #include -perfTrap perfIntHook = 0; /* Pointer to performance trap hook routine */ +perfCallback perfIntHook; /* Pointer to CHUD trap hook routine */ + +#if CONFIG_DTRACE +#if (DEVELOPMENT || DEBUG ) +#include +#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 */ +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, @@ -46,8 +81,9 @@ struct savearea * interrupt( unsigned int dar) { int current_cpu; + struct per_proc_info *proc_info; uint64_t now; - thread_act_t act; + thread_t thread; disable_preemption(); @@ -55,15 +91,22 @@ struct savearea * interrupt( if(perfIntHook(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); fctx_test(); } #endif - - + + current_cpu = cpu_number(); + proc_info = getPerProc(); switch (type) { @@ -71,40 +114,51 @@ struct savearea * interrupt( 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_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, (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); @@ -122,11 +176,8 @@ struct savearea * interrupt( 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; }