X-Git-Url: https://git.saurik.com/apple/xnu.git/blobdiff_plain/39236c6e673c41db228275375ab7fdb0f837b292..HEAD:/osfmk/i386/trap_native.c?ds=inline diff --git a/osfmk/i386/trap_native.c b/osfmk/i386/trap_native.c index 23bda004e..33c9d9408 100644 --- a/osfmk/i386/trap_native.c +++ b/osfmk/i386/trap_native.c @@ -2,7 +2,7 @@ * Copyright (c) 2009-2012 Apple Inc. All rights reserved. * * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ - * + * * 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 @@ -11,10 +11,10 @@ * 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. - * + * * 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, @@ -22,42 +22,42 @@ * 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_OSREFERENCE_LICENSE_HEADER_END@ */ /* -* @OSF_COPYRIGHT@ -*/ -/* -* Mach Operating System -* Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University -* All Rights Reserved. -* -* Permission to use, copy, modify and distribute this software and its -* documentation is hereby granted, provided that both the copyright -* notice and this permission notice appear in all copies of the -* software, derivative works or modified versions, and any portions -* thereof, and that both notices appear in supporting documentation. -* -* CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" -* CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR -* ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. -* -* Carnegie Mellon requests users of this software to return to -* -* Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU -* School of Computer Science -* Carnegie Mellon University -* Pittsburgh PA 15213-3890 -* -* any improvements or extensions that they make and grant Carnegie Mellon -* the rights to redistribute these changes. -*/ + * @OSF_COPYRIGHT@ + */ +/* + * Mach Operating System + * Copyright (c) 1991,1990,1989,1988 Carnegie Mellon University + * All Rights Reserved. + * + * Permission to use, copy, modify and distribute this software and its + * documentation is hereby granted, provided that both the copyright + * notice and this permission notice appear in all copies of the + * software, derivative works or modified versions, and any portions + * thereof, and that both notices appear in supporting documentation. + * + * CARNEGIE MELLON ALLOWS FREE USE OF THIS SOFTWARE IN ITS "AS IS" + * CONDITION. CARNEGIE MELLON DISCLAIMS ANY LIABILITY OF ANY KIND FOR + * ANY DAMAGES WHATSOEVER RESULTING FROM THE USE OF THIS SOFTWARE. + * + * Carnegie Mellon requests users of this software to return to + * + * Software Distribution Coordinator or Software.Distribution@CS.CMU.EDU + * School of Computer Science + * Carnegie Mellon University + * Pittsburgh PA 15213-3890 + * + * any improvements or extensions that they make and grant Carnegie Mellon + * the rights to redistribute these changes. + */ /* -*/ + */ /* -* Hardware trap/fault handler. + * Hardware trap/fault handler. */ #include @@ -65,7 +65,7 @@ #include #include #include -#include /* panic_io_port_read() */ +#include #include #include @@ -100,7 +100,6 @@ extern void kprintf_break_lock(void); extern void kprint_state(x86_saved_state64_t *saved_state); -void panic_64(x86_saved_state_t *, int, const char *, boolean_t); extern volatile int panic_double_fault_cpu; @@ -109,7 +108,7 @@ extern volatile int panic_double_fault_cpu; /* * K64 debug - fatal handler for debug code in the trap vectors. */ -extern void +extern void __dead2 panic_idt64(x86_saved_state_t *rsp); void panic_idt64(x86_saved_state_t *rsp) @@ -120,7 +119,8 @@ panic_idt64(x86_saved_state_t *rsp) #endif -void +__dead2 +static void panic_64(x86_saved_state_t *sp, __unused int pc, __unused const char *msg, boolean_t do_mca_dump) { /* Set postcode (DEBUG only) */ @@ -130,9 +130,9 @@ panic_64(x86_saved_state_t *sp, __unused int pc, __unused const char *msg, boole * Issue an I/O port read if one has been requested - this is an * event logic analyzers can use as a trigger point. */ - panic_io_port_read(); + panic_notify(); + - /* * Break kprintf lock in case of recursion, * and record originally faulted instruction address. @@ -150,35 +150,40 @@ panic_64(x86_saved_state_t *sp, __unused int pc, __unused const char *msg, boole x86_saved_state64_t *regs = saved_state64(sp); panic("%s at 0x%016llx, registers:\n" - "CR0: 0x%016lx, CR2: 0x%016lx, CR3: 0x%016lx, CR4: 0x%016lx\n" - "RAX: 0x%016llx, RBX: 0x%016llx, RCX: 0x%016llx, RDX: 0x%016llx\n" - "RSP: 0x%016llx, RBP: 0x%016llx, RSI: 0x%016llx, RDI: 0x%016llx\n" - "R8: 0x%016llx, R9: 0x%016llx, R10: 0x%016llx, R11: 0x%016llx\n" - "R12: 0x%016llx, R13: 0x%016llx, R14: 0x%016llx, R15: 0x%016llx\n" - "RFL: 0x%016llx, RIP: 0x%016llx, CS: 0x%016llx, SS: 0x%016llx\n" - "Error code: 0x%016llx%s\n", - msg, - regs->isf.rip, - get_cr0(), get_cr2(), get_cr3_raw(), get_cr4(), - regs->rax, regs->rbx, regs->rcx, regs->rdx, - regs->isf.rsp, regs->rbp, regs->rsi, regs->rdi, - regs->r8, regs->r9, regs->r10, regs->r11, - regs->r12, regs->r13, regs->r14, regs->r15, - regs->isf.rflags, regs->isf.rip, regs->isf.cs & 0xFFFF, regs->isf.ss & 0xFFFF, - regs->isf.err, virtualized ? " VMM" : ""); + "CR0: 0x%016lx, CR2: 0x%016lx, CR3: 0x%016lx, CR4: 0x%016lx\n" + "RAX: 0x%016llx, RBX: 0x%016llx, RCX: 0x%016llx, RDX: 0x%016llx\n" + "RSP: 0x%016llx, RBP: 0x%016llx, RSI: 0x%016llx, RDI: 0x%016llx\n" + "R8: 0x%016llx, R9: 0x%016llx, R10: 0x%016llx, R11: 0x%016llx\n" + "R12: 0x%016llx, R13: 0x%016llx, R14: 0x%016llx, R15: 0x%016llx\n" + "RFL: 0x%016llx, RIP: 0x%016llx, CS: 0x%016llx, SS: 0x%016llx\n" + "Error code: 0x%016llx%s\n", + msg, + regs->isf.rip, + get_cr0(), get_cr2(), get_cr3_raw(), get_cr4(), + regs->rax, regs->rbx, regs->rcx, regs->rdx, + regs->isf.rsp, regs->rbp, regs->rsi, regs->rdi, + regs->r8, regs->r9, regs->r10, regs->r11, + regs->r12, regs->r13, regs->r14, regs->r15, + regs->isf.rflags, regs->isf.rip, regs->isf.cs & 0xFFFF, regs->isf.ss & 0xFFFF, + regs->isf.err, virtualized ? " VMM" : ""); } void panic_double_fault64(x86_saved_state_t *sp) { - (void)OSCompareAndSwap((UInt32) -1, (UInt32) cpu_number(), (volatile UInt32 *)&panic_double_fault_cpu); +#if DEVELOPMENT || DEBUG + uint64_t frameptr = is_saved_state64(sp) ? saved_state64(sp)->rbp : saved_state32(sp)->ebp; + (void) traptrace_start(T_DOUBLE_FAULT, saved_state64(sp)->isf.rip, mach_absolute_time(), frameptr); +#endif + (void)OSCompareAndSwap((UInt32) - 1, (UInt32) cpu_number(), (volatile UInt32 *)&panic_double_fault_cpu); panic_64(sp, PANIC_DOUBLE_FAULT, "Double fault", FALSE); - } void - panic_machine_check64(x86_saved_state_t *sp) { +#if DEVELOPMENT || DEBUG + uint64_t frameptr = is_saved_state64(sp) ? saved_state64(sp)->rbp : saved_state32(sp)->ebp; + (void) traptrace_start(T_MACHINE_CHECK, saved_state64(sp)->isf.rip, mach_absolute_time(), frameptr); +#endif panic_64(sp, PANIC_MACHINE_CHECK, "Machine Check", TRUE); - }