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kernel add
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#ifndef __ASM_KGDB_H_
#define __ASM_KGDB_H_
#ifdef __KERNEL__
#include <asm/sgidefs.h>
#if (_MIPS_ISA == _MIPS_ISA_MIPS1) || (_MIPS_ISA == _MIPS_ISA_MIPS2) || \
(_MIPS_ISA == _MIPS_ISA_MIPS32)
#define KGDB_GDB_REG_SIZE 32
#define GDB_SIZEOF_REG sizeof(u32)
#elif (_MIPS_ISA == _MIPS_ISA_MIPS3) || (_MIPS_ISA == _MIPS_ISA_MIPS4) || \
(_MIPS_ISA == _MIPS_ISA_MIPS64)
#ifdef CONFIG_32BIT
#define KGDB_GDB_REG_SIZE 32
#define GDB_SIZEOF_REG sizeof(u32)
#else /* CONFIG_CPU_32BIT */
#define KGDB_GDB_REG_SIZE 64
#define GDB_SIZEOF_REG sizeof(u64)
#endif
#else
#error "Need to set KGDB_GDB_REG_SIZE for MIPS ISA"
#endif /* _MIPS_ISA */
#define BUFMAX 2048
#define DBG_MAX_REG_NUM 72
#define NUMREGBYTES (DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG))
#define NUMCRITREGBYTES (12 * sizeof(GDB_SIZEOF_REG))
#define BREAK_INSTR_SIZE 4
#define CACHE_FLUSH_IS_SAFE 0
extern void arch_kgdb_breakpoint(void);
extern void *saved_vectors[32];
extern void handle_exception(struct pt_regs *regs);
extern void breakinst(void);
extern int kgdb_ll_trap(int cmd, const char *str,
struct pt_regs *regs, long err, int trap, int sig);
#endif /* __KERNEL__ */
#endif /* __ASM_KGDB_H_ */
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