1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun #ifndef __ASM_SH_KGDB_H
3*4882a593Smuzhiyun #define __ASM_SH_KGDB_H
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun #include <asm/cacheflush.h>
6*4882a593Smuzhiyun #include <asm/ptrace.h>
7*4882a593Smuzhiyun
8*4882a593Smuzhiyun enum regnames {
9*4882a593Smuzhiyun GDB_R0, GDB_R1, GDB_R2, GDB_R3, GDB_R4, GDB_R5, GDB_R6, GDB_R7,
10*4882a593Smuzhiyun GDB_R8, GDB_R9, GDB_R10, GDB_R11, GDB_R12, GDB_R13, GDB_R14, GDB_R15,
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun GDB_PC, GDB_PR, GDB_SR, GDB_GBR, GDB_MACH, GDB_MACL, GDB_VBR,
13*4882a593Smuzhiyun };
14*4882a593Smuzhiyun
15*4882a593Smuzhiyun #define _GP_REGS 16
16*4882a593Smuzhiyun #define _EXTRA_REGS 7
17*4882a593Smuzhiyun #define GDB_SIZEOF_REG sizeof(u32)
18*4882a593Smuzhiyun
19*4882a593Smuzhiyun #define DBG_MAX_REG_NUM (_GP_REGS + _EXTRA_REGS)
20*4882a593Smuzhiyun #define NUMREGBYTES (DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG))
21*4882a593Smuzhiyun
arch_kgdb_breakpoint(void)22*4882a593Smuzhiyun static inline void arch_kgdb_breakpoint(void)
23*4882a593Smuzhiyun {
24*4882a593Smuzhiyun __asm__ __volatile__ ("trapa #0x3c\n");
25*4882a593Smuzhiyun }
26*4882a593Smuzhiyun
27*4882a593Smuzhiyun #define BREAK_INSTR_SIZE 2
28*4882a593Smuzhiyun #define BUFMAX 2048
29*4882a593Smuzhiyun
30*4882a593Smuzhiyun #ifdef CONFIG_SMP
31*4882a593Smuzhiyun # define CACHE_FLUSH_IS_SAFE 0
32*4882a593Smuzhiyun #else
33*4882a593Smuzhiyun # define CACHE_FLUSH_IS_SAFE 1
34*4882a593Smuzhiyun #endif
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun #define GDB_ADJUSTS_BREAK_OFFSET
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun #endif /* __ASM_SH_KGDB_H */
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