Changeset cefb126 in mainline for kernel/generic/src/debug/panic.c

Timestamp:

2010-07-02T14:19:30Z (15 years ago)

Author:

Jakub Jermar <jakub@…>

Branches:

lfn, master, serial, ticket/834-toolchain-update, topic/msim-upgrade, topic/simplify-dev-export

Children:

89c57b6

Parents:

fe7abd0 (diff), e3ee9b9 (diff)
Note: this is a merge changeset, the changes displayed below correspond to the merge itself.
Use the (diff) links above to see all the changes relative to each parent.

Message:

Merge mainline changes.

File:

• kernel/generic/src/debug/panic.c (moved) (moved from uspace/lib/c/include/limits.h ) (3 diffs)

kernel/generic/src/debug/panic.c

@@ -1 +1 @@
 /*
- * Copyright (c) 2006 Josef Cejka
+ * Copyright (c) 2010 Jakub Jermar
  * All rights reserved.
  *
@@ -27 +27 @@
  */
 
-/** @addtogroup libc
+/** @addtogroup genericdebug
  * @{
  */
@@ -33 +33 @@
  */
 
-#ifndef LIBC_LIMITS_H_
-#define LIBC_LIMITS_H_
+#include <panic.h>
+#include <print.h>
+#include <stacktrace.h>
+#include <func.h>
+#include <typedefs.h>
+#include <mm/as.h>
+#include <stdarg.h>
+#include <interrupt.h>
 
-#include <stdint.h>
-#include <libarch/limits.h>
+void panic_common(panic_category_t cat, istate_t *istate, int access,
+    uintptr_t address, const char *fmt, ...)
+{
+        va_list args;
 
-/* char */
-#define SCHAR_MIN MIN_INT8
-#define SCHAR_MAX MAX_INT8
-#define UCHAR_MIN MIN_UINT8
-#define UCHAR_MAX MAX_UINT8
+        silent = false;
 
-#ifdef __CHAR_UNSIGNED__
-        #define CHAR_MIN UCHAR_MIN
-        #define CHAR_MAX UCHAR_MAX
-#else
-        #define CHAR_MIN SCHAR_MIN
-        #define CHAR_MAX SCHAR_MAX
-#endif
+        printf("\nKERNEL PANIC ");
+        if (CPU)
+                printf("ON cpu%d ", CPU->id);
+        printf("DUE TO ");
 
-/* short int */
-#define SHRT_MIN MIN_INT16
-#define SHRT_MAX MAX_INT16
-#define USHRT_MIN MIN_UINT16
-#define USHRT_MAX MAX_UINT16
+        va_start(args, fmt);
+        if (cat == PANIC_ASSERT) {
+                printf("A FAILED ASSERTION:\n");
+                vprintf(fmt, args);
+                printf("\n");
+        } else if (cat == PANIC_BADTRAP) {
+                printf("BAD TRAP %ld.\n", address);
+        } else if (cat == PANIC_MEMTRAP) {
+                printf("A BAD MEMORY ACCESS WHILE ");
+                if (access == PF_ACCESS_READ)
+                        printf("LOADING FROM");
+                else if (access == PF_ACCESS_WRITE)
+                        printf("STORING TO");
+                else if (access == PF_ACCESS_EXEC)
+                        printf("BRANCHING TO");
+                else
+                        printf("REFERENCING");
+                printf(" ADDRESS %p.\n", address); 
+        } else {
+                printf("THE FOLLOWING REASON:\n");
+                vprintf(fmt, args);
+        }
+        va_end(args);
 
-/* int */
-#define INT_MIN MIN_INT32
-#define INT_MAX MAX_INT32
-#define UINT_MIN MIN_UINT32
-#define UINT_MAX MAX_UINT32
+        printf("\n");
 
-/* long long int */
-#define LLONG_MIN MIN_INT64
-#define LLONG_MAX MAX_INT64
-#define ULLONG_MIN MIN_UINT64
-#define ULLONG_MAX MAX_UINT64
+        if (istate) {
+                istate_decode(istate);
+                printf("\n");
+        }
 
-/* off64_t */
-#define OFF64_MIN MIN_INT64
-#define OFF64_MAX MAX_INT64
-
-/* aoff64_t */
-#define AOFF64_MIN MIN_UINT64
-#define AOFF64_MAX MAX_UINT64
-
-#endif
+        stack_trace();
+        halt();
+}
 
 /** @}