1#ifndef __KGDB_H__ 2#define __KGDB_H__ 3 4#include <asm/ptrace.h> 5 6#define KGDBERR_BADPARAMS 1 7#define KGDBERR_NOTHEXDIG 2 8#define KGDBERR_MEMFAULT 3 9#define KGDBERR_NOSPACE 4 10#define KGDBERR_ALIGNFAULT 5 11 12#define KGDBDATA_MAXREGS 8 13#define KGDBDATA_MAXPRIV 8 14 15#define KGDBEXIT_TYPEMASK 0xff 16 17#define KGDBEXIT_KILL 0 18#define KGDBEXIT_CONTINUE 1 19#define KGDBEXIT_SINGLE 2 20 21#define KGDBEXIT_WITHADDR 0x100 22 23typedef 24 struct { 25 int num; 26 unsigned long val; 27 } 28kgdb_reg; 29 30typedef 31 struct { 32 int sigval; 33 int extype; 34 unsigned long exaddr; 35 int nregs; 36 kgdb_reg regs[KGDBDATA_MAXREGS]; 37 unsigned long private[KGDBDATA_MAXPRIV]; 38 } 39kgdb_data; 40 41/* these functions are provided by the generic kgdb support */ 42/** 43 * kgdb_init() 44 * 45 * Perform initializations to allow debugging U-Boot with gdb over a serial 46 * link. It is called during the generic board init sequence. 47 * 48 * Return: 0 if OK 49 */ 50int kgdb_init(void); 51 52extern void kgdb_error(int); 53extern int kgdb_output_string(const char *, unsigned int); 54extern void breakpoint(void); 55 56/* these functions are provided by the platform specific kgdb support */ 57extern void kgdb_flush_cache_range(void *, void *); 58extern void kgdb_flush_cache_all(void); 59extern int kgdb_setjmp(long *); 60extern void kgdb_longjmp(long *, int); 61extern void kgdb_enter(struct pt_regs *, kgdb_data *); 62extern void kgdb_exit(struct pt_regs *, kgdb_data *); 63extern int kgdb_getregs(struct pt_regs *, char *, int); 64extern void kgdb_putreg(struct pt_regs *, int, char *, int); 65extern void kgdb_putregs(struct pt_regs *, char *, int); 66extern int kgdb_trap(struct pt_regs *); 67void kgdb_breakpoint(int argc, char *const argv[]); 68 69/* these functions are provided by the platform serial driver */ 70extern void kgdb_serial_init(void); 71extern int getDebugChar(void); 72extern void putDebugChar(int); 73extern void putDebugStr(const char *); 74extern void kgdb_interruptible(int); 75 76/* this is referenced in the trap handler for the platform */ 77extern int (*debugger_exception_handler)(struct pt_regs *); 78 79#endif /* __KGDB_H__ */ 80