arch/mips/include/asm/kgdb.h

   1 #ifndef __ASM_KGDB_H_
   2 #define __ASM_KGDB_H_
   3
   4 #ifdef __KERNEL__
   5
   6 #include <asm/sgidefs.h>
   7
   8 #if (_MIPS_ISA == _MIPS_ISA_MIPS1) || (_MIPS_ISA == _MIPS_ISA_MIPS2) || \
   9         (_MIPS_ISA == _MIPS_ISA_MIPS32)
  10
  11 #define KGDB_GDB_REG_SIZE       32
  12 #define GDB_SIZEOF_REG          sizeof(u32)
  13
  14 #elif (_MIPS_ISA == _MIPS_ISA_MIPS3) || (_MIPS_ISA == _MIPS_ISA_MIPS4) || \
  15         (_MIPS_ISA == _MIPS_ISA_MIPS64)
  16
  17 #ifdef CONFIG_32BIT
  18 #define KGDB_GDB_REG_SIZE       32
  19 #define GDB_SIZEOF_REG          sizeof(u32)
  20 #else /* CONFIG_CPU_32BIT */
  21 #define KGDB_GDB_REG_SIZE       64
  22 #define GDB_SIZEOF_REG          sizeof(u64)
  23 #endif
  24 #else
  25 #error "Need to set KGDB_GDB_REG_SIZE for MIPS ISA"
  26 #endif /* _MIPS_ISA */
  27
  28 #define BUFMAX                  2048
  29 #define DBG_MAX_REG_NUM         72
  30 #define NUMREGBYTES             (DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG))
  31 #define NUMCRITREGBYTES         (12 * sizeof(GDB_SIZEOF_REG))
  32 #define BREAK_INSTR_SIZE        4
  33 #define CACHE_FLUSH_IS_SAFE     0
  34
  35 extern void arch_kgdb_breakpoint(void);
  36 extern void *saved_vectors[32];
  37 extern void handle_exception(struct pt_regs *regs);
  38 extern void breakinst(void);
  39 extern int kgdb_ll_trap(int cmd, const char *str,
  40                         struct pt_regs *regs, long err, int trap, int sig);
  41
  42 #endif                          /* __KERNEL__ */
  43
  44 #endif /* __ASM_KGDB_H_ */