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authorPaul Mundt <lethal@linux-sh.org>2007-03-08 17:27:37 +0900
committerPaul Mundt <lethal@hera.kernel.org>2007-05-07 02:10:51 +0000
commitfa5da2f7bdcf885efe65a37df13907c7d72296f6 (patch)
tree54104d5f660a1ec824505b28540eb2c5e4be390a /include/asm-sh/kgdb.h
parent15700770ef7c5d12e2f1659d2ddbeb3f658d9f37 (diff)
downloadop-kernel-dev-fa5da2f7bdcf885efe65a37df13907c7d72296f6.zip
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sh: Bring kgdb back from the dead.
This code has suffered quite a bit of bitrot, do some basic tidying to get it to a reasonably functional state again. This gets the basic support and the console working again. Signed-off-by: Paul Mundt <lethal@linux-sh.org>
Diffstat (limited to 'include/asm-sh/kgdb.h')
-rw-r--r--include/asm-sh/kgdb.h51
1 files changed, 4 insertions, 47 deletions
diff --git a/include/asm-sh/kgdb.h b/include/asm-sh/kgdb.h
index 0095c66..74bd095 100644
--- a/include/asm-sh/kgdb.h
+++ b/include/asm-sh/kgdb.h
@@ -17,6 +17,7 @@
#define __KGDB_H
#include <asm/ptrace.h>
+#include <asm/cacheflush.h>
struct console;
@@ -45,35 +46,21 @@ extern int kgdb_portnum;
extern int kgdb_baud;
extern char kgdb_parity;
extern char kgdb_bits;
-extern int kgdb_console_setup(struct console *, char *);
/* Init and interface stuff */
extern int kgdb_init(void);
-extern int (*kgdb_serial_setup)(void);
extern int (*kgdb_getchar)(void);
extern void (*kgdb_putchar)(int);
-struct kgdb_sermap {
- char *name;
- int namelen;
- int (*setup_fn)(struct console *, char *);
- struct kgdb_sermap *next;
-};
-extern void kgdb_register_sermap(struct kgdb_sermap *map);
-extern struct kgdb_sermap *kgdb_porttype;
-
/* Trap functions */
-typedef void (kgdb_debug_hook_t)(struct pt_regs *regs);
+typedef void (kgdb_debug_hook_t)(struct pt_regs *regs);
typedef void (kgdb_bus_error_hook_t)(void);
extern kgdb_debug_hook_t *kgdb_debug_hook;
extern kgdb_bus_error_hook_t *kgdb_bus_err_hook;
-extern void breakpoint(void);
-
/* Console */
-struct console;
void kgdb_console_write(struct console *co, const char *s, unsigned count);
-void kgdb_console_init(void);
+extern int kgdb_console_setup(struct console *, char *);
/* Prototypes for jmp fns */
#define _JBLEN 9
@@ -81,11 +68,8 @@ typedef int jmp_buf[_JBLEN];
extern void longjmp(jmp_buf __jmpb, int __retval);
extern int setjmp(jmp_buf __jmpb);
-/* Variadic macro to print our own message to the console */
-#define KGDB_PRINTK(...) printk("KGDB: " __VA_ARGS__)
-
/* Forced breakpoint */
-#define BREAKPOINT() \
+#define breakpoint() \
do { \
if (kgdb_enabled) \
__asm__ __volatile__("trapa #0x3c"); \
@@ -95,7 +79,6 @@ do { \
#if defined(CONFIG_CPU_SH4)
#define kgdb_flush_icache_range(start, end) \
{ \
- extern void __flush_purge_region(void *, int); \
__flush_purge_region((void*)(start), (int)(end) - (int)(start));\
flush_icache_range((start), (end)); \
}
@@ -103,31 +86,6 @@ do { \
#define kgdb_flush_icache_range(start, end) do { } while (0)
#endif
-/* Kernel assert macros */
-#ifdef CONFIG_KGDB_KERNEL_ASSERTS
-
-/* Predefined conditions */
-#define KA_VALID_ERRNO(errno) ((errno) > 0 && (errno) <= EMEDIUMTYPE)
-#define KA_VALID_PTR_ERR(ptr) KA_VALID_ERRNO(-PTR_ERR(ptr))
-#define KA_VALID_KPTR(ptr) (!(ptr) || \
- ((void *)(ptr) >= (void *)PAGE_OFFSET && \
- (void *)(ptr) < ERR_PTR(-EMEDIUMTYPE)))
-#define KA_VALID_PTRORERR(errptr) \
- (KA_VALID_KPTR(errptr) || KA_VALID_PTR_ERR(errptr))
-#define KA_HELD_GKL() (current->lock_depth >= 0)
-
-/* The actual assert */
-#define KGDB_ASSERT(condition, message) do { \
- if (!(condition) && (kgdb_enabled)) { \
- KGDB_PRINTK("Assertion failed at %s:%d: %s\n", \
- __FILE__, __LINE__, message);\
- BREAKPOINT(); \
- } \
-} while (0)
-#else
-#define KGDB_ASSERT(condition, message)
-#endif
-
/* Taken from sh-stub.c of GDB 4.18 */
static const char hexchars[] = "0123456789abcdef";
@@ -142,5 +100,4 @@ static inline char lowhex(const int x)
{
return hexchars[x & 0xf];
}
-
#endif
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