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78fc0395c0
Add a return value to kgdb_init and use it directly in the post-relocation init sequence, rather than using a wrapper stub. Also, move the "KGDB" print message inside kgdb_init(). Reviewed-by: Simon Glass <sjg@chromium.org> Signed-off-by: Ovidiu Panait <ovidiu.panait@windriver.com>
80 lines
2.0 KiB
C
80 lines
2.0 KiB
C
#ifndef __KGDB_H__
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#define __KGDB_H__
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#include <asm/ptrace.h>
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#define KGDBERR_BADPARAMS 1
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#define KGDBERR_NOTHEXDIG 2
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#define KGDBERR_MEMFAULT 3
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#define KGDBERR_NOSPACE 4
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#define KGDBERR_ALIGNFAULT 5
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#define KGDBDATA_MAXREGS 8
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#define KGDBDATA_MAXPRIV 8
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#define KGDBEXIT_TYPEMASK 0xff
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#define KGDBEXIT_KILL 0
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#define KGDBEXIT_CONTINUE 1
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#define KGDBEXIT_SINGLE 2
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#define KGDBEXIT_WITHADDR 0x100
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typedef
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struct {
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int num;
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unsigned long val;
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}
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kgdb_reg;
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typedef
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struct {
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int sigval;
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int extype;
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unsigned long exaddr;
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int nregs;
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kgdb_reg regs[KGDBDATA_MAXREGS];
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unsigned long private[KGDBDATA_MAXPRIV];
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}
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kgdb_data;
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/* these functions are provided by the generic kgdb support */
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/**
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* kgdb_init()
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*
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* Perform initializations to allow debugging U-Boot with gdb over a serial
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* link. It is called during the generic board init sequence.
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*
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* Return: 0 if OK
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*/
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int kgdb_init(void);
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extern void kgdb_error(int);
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extern int kgdb_output_string(const char *, unsigned int);
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extern void breakpoint(void);
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/* these functions are provided by the platform specific kgdb support */
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extern void kgdb_flush_cache_range(void *, void *);
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extern void kgdb_flush_cache_all(void);
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extern int kgdb_setjmp(long *);
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extern void kgdb_longjmp(long *, int);
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extern void kgdb_enter(struct pt_regs *, kgdb_data *);
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extern void kgdb_exit(struct pt_regs *, kgdb_data *);
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extern int kgdb_getregs(struct pt_regs *, char *, int);
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extern void kgdb_putreg(struct pt_regs *, int, char *, int);
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extern void kgdb_putregs(struct pt_regs *, char *, int);
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extern int kgdb_trap(struct pt_regs *);
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void kgdb_breakpoint(int argc, char *const argv[]);
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/* these functions are provided by the platform serial driver */
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extern void kgdb_serial_init(void);
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extern int getDebugChar(void);
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extern void putDebugChar(int);
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extern void putDebugStr(const char *);
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extern void kgdb_interruptible(int);
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/* this is referenced in the trap handler for the platform */
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extern int (*debugger_exception_handler)(struct pt_regs *);
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#endif /* __KGDB_H__ */
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