arch/sh/include/asm/kgdb.h

   1 #ifndef __ASM_SH_KGDB_H
   2 #define __ASM_SH_KGDB_H
   3
   4 #include <asm/cacheflush.h>
   5 #include <asm/ptrace.h>
   6
   7 /* Same as pt_regs but has vbr in place of syscall_nr */
   8 struct kgdb_regs {
   9         unsigned long regs[16];
  10         unsigned long pc;
  11         unsigned long pr;
  12         unsigned long sr;
  13         unsigned long gbr;
  14         unsigned long mach;
  15         unsigned long macl;
  16         unsigned long vbr;
  17 };
  18
  19 enum regnames {
  20         GDB_R0, GDB_R1, GDB_R2, GDB_R3, GDB_R4, GDB_R5, GDB_R6, GDB_R7,
  21         GDB_R8, GDB_R9, GDB_R10, GDB_R11, GDB_R12, GDB_R13, GDB_R14, GDB_R15,
  22
  23         GDB_PC, GDB_PR, GDB_SR, GDB_GBR, GDB_MACH, GDB_MACL, GDB_VBR,
  24 };
  25
  26 #define NUMREGBYTES    ((GDB_VBR + 1) * 4)
  27
  28 static inline void arch_kgdb_breakpoint(void)
  29 {
  30         __asm__ __volatile__ ("trapa #0x3c\n");
  31 }
  32
  33 /* State info */
  34 extern char in_nmi;             /* Debounce flag to prevent NMI reentry*/
  35
  36 #define BUFMAX                 2048
  37
  38 #define CACHE_FLUSH_IS_SAFE     1
  39 #define BREAK_INSTR_SIZE        2
  40
  41 #endif /* __ASM_SH_KGDB_H */