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 23 typedef 24 struct { 25 int num; 26 unsigned long val; 27 } 28 kgdb_reg; 29 30 typedef 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 } 39 kgdb_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 */ 50 int kgdb_init(void); 51 52 extern void kgdb_error(int); 53 extern int kgdb_output_string(const char *, unsigned int); 54 extern void breakpoint(void); 55 56 /* these functions are provided by the platform specific kgdb support */ 57 extern void kgdb_flush_cache_range(void *, void *); 58 extern void kgdb_flush_cache_all(void); 59 extern int kgdb_setjmp(long *); 60 extern void kgdb_longjmp(long *, int); 61 extern void kgdb_enter(struct pt_regs *, kgdb_data *); 62 extern void kgdb_exit(struct pt_regs *, kgdb_data *); 63 extern int kgdb_getregs(struct pt_regs *, char *, int); 64 extern void kgdb_putreg(struct pt_regs *, int, char *, int); 65 extern void kgdb_putregs(struct pt_regs *, char *, int); 66 extern int kgdb_trap(struct pt_regs *); 67 void kgdb_breakpoint(int argc, char *const argv[]); 68 69 /* these functions are provided by the platform serial driver */ 70 extern void kgdb_serial_init(void); 71 extern int getDebugChar(void); 72 extern void putDebugChar(int); 73 extern void putDebugStr(const char *); 74 extern void kgdb_interruptible(int); 75 76 /* this is referenced in the trap handler for the platform */ 77 extern int (*debugger_exception_handler)(struct pt_regs *); 78 79 #endif /* __KGDB_H__ */ 80