1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */ 2*4882a593Smuzhiyun #ifndef __ASM_KGDB_H_ 3*4882a593Smuzhiyun #define __ASM_KGDB_H_ 4*4882a593Smuzhiyun 5*4882a593Smuzhiyun #ifdef __KERNEL__ 6*4882a593Smuzhiyun 7*4882a593Smuzhiyun #include <asm/sgidefs.h> 8*4882a593Smuzhiyun 9*4882a593Smuzhiyun #if (_MIPS_ISA == _MIPS_ISA_MIPS1) || (_MIPS_ISA == _MIPS_ISA_MIPS2) || \ 10*4882a593Smuzhiyun (_MIPS_ISA == _MIPS_ISA_MIPS32) 11*4882a593Smuzhiyun 12*4882a593Smuzhiyun #define KGDB_GDB_REG_SIZE 32 13*4882a593Smuzhiyun #define GDB_SIZEOF_REG sizeof(u32) 14*4882a593Smuzhiyun 15*4882a593Smuzhiyun #elif (_MIPS_ISA == _MIPS_ISA_MIPS3) || (_MIPS_ISA == _MIPS_ISA_MIPS4) || \ 16*4882a593Smuzhiyun (_MIPS_ISA == _MIPS_ISA_MIPS64) 17*4882a593Smuzhiyun 18*4882a593Smuzhiyun #ifdef CONFIG_32BIT 19*4882a593Smuzhiyun #define KGDB_GDB_REG_SIZE 32 20*4882a593Smuzhiyun #define GDB_SIZEOF_REG sizeof(u32) 21*4882a593Smuzhiyun #else /* CONFIG_CPU_32BIT */ 22*4882a593Smuzhiyun #define KGDB_GDB_REG_SIZE 64 23*4882a593Smuzhiyun #define GDB_SIZEOF_REG sizeof(u64) 24*4882a593Smuzhiyun #endif 25*4882a593Smuzhiyun #else 26*4882a593Smuzhiyun #error "Need to set KGDB_GDB_REG_SIZE for MIPS ISA" 27*4882a593Smuzhiyun #endif /* _MIPS_ISA */ 28*4882a593Smuzhiyun 29*4882a593Smuzhiyun #define BUFMAX 2048 30*4882a593Smuzhiyun #define DBG_MAX_REG_NUM 72 31*4882a593Smuzhiyun #define NUMREGBYTES (DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG)) 32*4882a593Smuzhiyun #define NUMCRITREGBYTES (12 * sizeof(GDB_SIZEOF_REG)) 33*4882a593Smuzhiyun #define BREAK_INSTR_SIZE 4 34*4882a593Smuzhiyun #define CACHE_FLUSH_IS_SAFE 0 35*4882a593Smuzhiyun 36*4882a593Smuzhiyun extern void arch_kgdb_breakpoint(void); 37*4882a593Smuzhiyun extern void *saved_vectors[32]; 38*4882a593Smuzhiyun extern void handle_exception(struct pt_regs *regs); 39*4882a593Smuzhiyun extern void breakinst(void); 40*4882a593Smuzhiyun extern int kgdb_ll_trap(int cmd, const char *str, 41*4882a593Smuzhiyun struct pt_regs *regs, long err, int trap, int sig); 42*4882a593Smuzhiyun 43*4882a593Smuzhiyun #endif /* __KERNEL__ */ 44*4882a593Smuzhiyun 45*4882a593Smuzhiyun #endif /* __ASM_KGDB_H_ */ 46