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[apple/xnu.git] / osfmk / i386 / trap.h
diff --git a/osfmk/i386/trap.h b/osfmk/i386/trap.h
index c18a15db905246003ce104abf01a82142bf9efc6..d5c14fe4fbf1c5e4aa63d883b6ea03839952c0b3 100644 (file)
--- a/osfmk/i386/trap.h
+++ b/osfmk/i386/trap.h
@@ -1,31 +1,29 @@
 /*
 /*
- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2012 Apple Inc. All rights reserved.
  *
  *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
+ * @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 
- * 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.
- *
- * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT. 
- * Please see the License for the specific language governing rights and 
+ * 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.
+ * 
+ * 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
+ * Please see the License for the specific language governing rights and
  * limitations under the License.
  * limitations under the License.
- *
- * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
+ * 
+ * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -74,7 +72,7 @@
 #define        T_NO_FPU                7               /* no floating point */
 #define        T_DOUBLE_FAULT          8               /* double fault */
 #define        T_FPU_FAULT             9
 #define        T_NO_FPU                7               /* no floating point */
 #define        T_DOUBLE_FAULT          8               /* double fault */
 #define        T_FPU_FAULT             9
-/*                             10 */
+#define T_INVALID_TSS          10
 #define        T_SEGMENT_NOT_PRESENT   11
 #define        T_STACK_FAULT           12
 #define        T_GENERAL_PROTECTION    13
 #define        T_SEGMENT_NOT_PRESENT   11
 #define        T_STACK_FAULT           12
 #define        T_GENERAL_PROTECTION    13
@@ -82,6 +80,19 @@
 /*                             15 */
 #define        T_FLOATING_POINT_ERROR  16
 #define        T_WATCHPOINT            17
 /*                             15 */
 #define        T_FLOATING_POINT_ERROR  16
 #define        T_WATCHPOINT            17
+#define T_MACHINE_CHECK                18
+#define T_SSE_FLOAT_ERROR       19
+/*                          20-126 */
+#define T_DTRACE_RET            127
+
+/* The SYSENTER and SYSCALL trap numbers are software constructs.
+ * These exceptions are dispatched directly to the system call handlers.
+ * See also the "software interrupt codes" section of
+ * osfmk/mach/i386/syscall_sw.h
+ */
+#define        T_SYSENTER              0x84
+#define        T_SYSCALL               0x85
+
 #define T_PREEMPT              255
 
 #define TRAP_NAMES "divide error", "debug trap", "NMI", "breakpoint", \
 #define T_PREEMPT              255
 
 #define TRAP_NAMES "divide error", "debug trap", "NMI", "breakpoint", \
@@ -89,7 +100,7 @@
                   "no coprocessor", "double fault", "coprocessor overrun", \
                   "invalid TSS", "segment not present", "stack bounds", \
                   "general protection", "page fault", "(reserved)", \
                   "no coprocessor", "double fault", "coprocessor overrun", \
                   "invalid TSS", "segment not present", "stack bounds", \
                   "general protection", "page fault", "(reserved)", \
-                  "coprocessor error", "watchpoint"
+                  "coprocessor error", "watchpoint", "machine check", "SSE floating point"
 
 /*
  * Page-fault trap codes.
 
 /*
  * Page-fault trap codes.
@@ -98,30 +109,54 @@
 #define        T_PF_WRITE              0x2             /* write access */
 #define        T_PF_USER               0x4             /* from user state */
 
 #define        T_PF_WRITE              0x2             /* write access */
 #define        T_PF_USER               0x4             /* from user state */
 
+#ifdef PAE
+#define        T_PF_RSVD               0x8             /* reserved bit set to 1 */
+#define T_PF_EXECUTE           0x10            /* instruction fetch when NX */
+#endif
+
 #if !defined(ASSEMBLER) && defined(MACH_KERNEL)
 
 #include <i386/thread.h>
 
 extern void            i386_exception(
 #if !defined(ASSEMBLER) && defined(MACH_KERNEL)
 
 #include <i386/thread.h>
 
 extern void            i386_exception(
-                               int             exc,
-                               int             code,
-                               int             subcode);
+                               int                     exc,
+                               mach_exception_code_t   code,
+                               mach_exception_subcode_t subcode);
+
+extern void            sync_iss_to_iks(x86_saved_state_t *regs);
+
+extern void            sync_iss_to_iks_unconditionally(
+                               x86_saved_state_t       *regs);
+
+extern void            kernel_trap(x86_saved_state_t *regs, uintptr_t *lo_spp);
 
 
-extern boolean_t       kernel_trap(
-                               struct i386_saved_state *regs);
+extern void            user_trap(x86_saved_state_t *regs);
 
 
-extern void            panic_trap(
-                               struct i386_saved_state *regs);
+extern void            interrupt(x86_saved_state_t *regs);
 
 
-extern void            user_trap(
-                               struct i386_saved_state *regs);
+extern void            panic_double_fault64(x86_saved_state_t *regs);
+extern void            panic_machine_check64(x86_saved_state_t *regs);
 
 extern void            i386_astintr(int preemption);
 
 
 extern void            i386_astintr(int preemption);
 
-#if defined(MACH_KDP)
-extern void            kdp_i386_trap(
+
+typedef kern_return_t (*perfCallback)(
+                               int                     trapno,
+                               void                    *regs,
+                               uintptr_t               *lo_spp,
+                                     int);
+
+typedef kern_return_t (*perfASTCallback)(ast_t reasons, ast_t *myast);
+
+extern volatile perfCallback perfTrapHook;
+extern volatile perfASTCallback perfASTHook;
+extern volatile perfCallback perfIntHook;
+
+extern void            panic_i386_backtrace(void *, int, const char *, boolean_t, x86_saved_state_t *);
+#if MACH_KDP
+extern boolean_t       kdp_i386_trap(
                                unsigned int,
                                unsigned int,
-                               struct i386_saved_state *,
+                               x86_saved_state64_t *,
                                kern_return_t,
                                vm_offset_t);
 #endif /* MACH_KDP */
                                kern_return_t,
                                vm_offset_t);
 #endif /* MACH_KDP */
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