xref: /openbmc/linux/arch/sh/include/asm/kgdb.h (revision b2441318)
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