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 */ 39