arch/sh/include/asm/kgdb.h

   1 /* SPDX-License-Identifier: GPL-2.0 */
   2 #ifndef __ASM_SH_KGDB_H
   3 #define __ASM_SH_KGDB_H
   4
   5 #include <asm/cacheflush.h>
   6 #include <asm/ptrace.h>
   7
   8 enum regnames {
   9         GDB_R0, GDB_R1, GDB_R2, GDB_R3, GDB_R4, GDB_R5, GDB_R6, GDB_R7,
  10         GDB_R8, GDB_R9, GDB_R10, GDB_R11, GDB_R12, GDB_R13, GDB_R14, GDB_R15,
  11
  12         GDB_PC, GDB_PR, GDB_SR, GDB_GBR, GDB_MACH, GDB_MACL, GDB_VBR,
  13 };
  14
  15 #define _GP_REGS        16
  16 #define _EXTRA_REGS     7
  17 #define GDB_SIZEOF_REG  sizeof(u32)
  18
  19 #define DBG_MAX_REG_NUM (_GP_REGS + _EXTRA_REGS)
  20 #define NUMREGBYTES     (DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG))
  21
  22 static inline void arch_kgdb_breakpoint(void)
  23 {
  24         __asm__ __volatile__ ("trapa #0x3c\n");
  25 }
  26
  27 #define BREAK_INSTR_SIZE        2
  28 #define BUFMAX                  2048
  29
  30 #ifdef CONFIG_SMP
  31 # define CACHE_FLUSH_IS_SAFE    0
  32 #else
  33 # define CACHE_FLUSH_IS_SAFE    1
  34 #endif
  35
  36 #define GDB_ADJUSTS_BREAK_OFFSET
  37
  38 #endif /* __ASM_SH_KGDB_H */