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
arch_kgdb_breakpoint(void)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