xnu-792.13.8.tar.gz

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

diff --git a/osfmk/i386/trap.h b/osfmk/i386/trap.h
index 8b2cc1389117cc067462508272a1160a160a093a..821fa242c6f6b670d2de6181e3548e01a4b0ee30 100644 (file)
--- a/osfmk/i386/trap.h
+++ b/osfmk/i386/trap.h
@@ -1,26 +1,31 @@
 /*
- * Copyright (c) 2000 Apple Computer, Inc. All rights reserved.
+ * Copyright (c) 2000-2004 Apple Computer, Inc. All rights reserved.
  *
- * @APPLE_LICENSE_HEADER_START@
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_START@
  * 
- * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
- * 
- * 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. Please obtain a copy of the License at
- * http://www.opensource.apple.com/apsl/ and read it before using this
+ * 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
+ *
+ * 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.
- * 
- * @APPLE_LICENSE_HEADER_END@
+ *
+ * @APPLE_LICENSE_OSREFERENCE_HEADER_END@
  */
 /*
  * @OSF_COPYRIGHT@
@@ -77,6 +82,8 @@
 /*                             15 */
 #define        T_FLOATING_POINT_ERROR  16
 #define        T_WATCHPOINT            17
+#define T_MACHINE_CHECK                18
+#define T_SSE_FLOAT_ERROR       19
 #define T_PREEMPT              255
 
 #define TRAP_NAMES "divide error", "debug trap", "NMI", "breakpoint", \
@@ -84,7 +91,7 @@
                   "no coprocessor", "double fault", "coprocessor overrun", \
                   "invalid TSS", "segment not present", "stack bounds", \
                   "general protection", "page fault", "(reserved)", \
-                  "coprocessor error", "watchpoint"
+                  "coprocessor error", "watchpoint", "(reserved)", "SSE floating point"
 
 /*
  * Page-fault trap codes.
@@ -93,6 +100,12 @@
 #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>
@@ -102,19 +115,43 @@ extern void               i386_exception(
                                int             code,
                                int             subcode);
 
-extern void            thread_exception_return(void);
+extern void            sync_iss_to_iks(x86_saved_state32_t *regs);
 
-extern boolean_t       kernel_trap(
-                               struct i386_saved_state *regs);
+extern void            sync_iss_to_iks_unconditionally(x86_saved_state32_t *regs);
 
-extern void            panic_trap(
-                               struct i386_saved_state *regs);
+extern void            kernel_trap(x86_saved_state_t *regs);
 
-extern void            user_trap(
-                               struct i386_saved_state *regs);
+extern void            user_trap(x86_saved_state_t *regs);
+
+extern void            panic_double_fault(int code);
+
+extern void            panic_double_fault64(x86_saved_state_t *regs);
+
+extern void            panic_machine_check(int code);
+
+extern void            panic_machine_check64(x86_saved_state_t *regs);
 
 extern void            i386_astintr(int preemption);
 
+
+typedef kern_return_t (*perfCallback)(
+                               int                     trapno,
+                               void                    *regs,
+                               int                     unused1,
+                               int                     unused2);
+
+extern perfCallback perfTrapHook;
+extern perfCallback perfASTHook;
+extern perfCallback perfIntHook;
+
+#if MACH_KDP
+extern boolean_t       kdp_i386_trap(
+                               unsigned int,
+                               x86_saved_state32_t *,
+                               kern_return_t,
+                               vm_offset_t);
+extern void            panic_i386_backtrace(void *, int);
+#endif /* MACH_KDP */
 #endif /* !ASSEMBLER && MACH_KERNEL */
 
 #endif /* _I386_TRAP_H_ */