linux/arch/sh/include/asm/kgdb.h
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   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
   8enum 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
  22static 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 */
  39