xnu-1699.26.8.tar.gz

[apple/xnu.git] / osfmk / i386 / trap.h

diff --git a/osfmk/i386/trap.h b/osfmk/i386/trap.h
index ba644334118c248b3c758b0c7db8a71dcd31ea5d..f24141112ecdbc7dffbc6801406fd4d46facb431 100644 (file)
--- a/osfmk/i386/trap.h
+++ b/osfmk/i386/trap.h
@@ -1,5 +1,5 @@
 /*
 /*

- * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2006 Apple Computer, Inc. All rights reserved.

  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 
  *
  * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
  * 


@@ -72,7 +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


@@ -80,6 +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", \


@@ -87,7 +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.


@@ -96,30 +109,62 @@
 #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 boolean_t       kernel_trap(
-                               struct i386_saved_state *regs);
+extern void            kernel_trap(x86_saved_state_t *regs, uintptr_t *lo_spp);

 
 

-extern void            panic_trap(
-                               struct i386_saved_state *regs);
+extern void            user_trap(x86_saved_state_t *regs);

 
 

-extern void            user_trap(
-                               struct i386_saved_state *regs);
+extern void            interrupt(x86_saved_state_t *regs);
+
+#ifdef __i386__
+extern void            panic_double_fault32(int code);
+extern void            panic_machine_check32(int       code);
+#endif
+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 *,
+#ifdef __i386__
+                               x86_saved_state32_t *,
+#else
+                               x86_saved_state64_t *,
+#endif

                                kern_return_t,
                                vm_offset_t);
 #endif /* MACH_KDP */
                                kern_return_t,
                                vm_offset_t);
 #endif /* MACH_KDP */