xref: /linux/arch/sh/include/asm/kgdb.h (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
1 #ifndef __ASM_SH_KGDB_H
2 #define __ASM_SH_KGDB_H
3 
4 #include <asm/cacheflush.h>
5 #include <asm/ptrace.h>
6 
7 enum regnames {
8 	GDB_R0, GDB_R1, GDB_R2, GDB_R3, GDB_R4, GDB_R5, GDB_R6, GDB_R7,
9 	GDB_R8, GDB_R9, GDB_R10, GDB_R11, GDB_R12, GDB_R13, GDB_R14, GDB_R15,
10 
11 	GDB_PC, GDB_PR, GDB_SR, GDB_GBR, GDB_MACH, GDB_MACL, GDB_VBR,
12 };
13 
14 #define _GP_REGS	16
15 #define _EXTRA_REGS	7
16 #define GDB_SIZEOF_REG	sizeof(u32)
17 
18 #define DBG_MAX_REG_NUM	(_GP_REGS + _EXTRA_REGS)
19 #define NUMREGBYTES	(DBG_MAX_REG_NUM * sizeof(GDB_SIZEOF_REG))
20 
21 static inline void arch_kgdb_breakpoint(void)
22 {
23 	__asm__ __volatile__ ("trapa #0x3c\n");
24 }
25 
26 #define BREAK_INSTR_SIZE	2
27 #define BUFMAX			2048
28 
29 #ifdef CONFIG_SMP
30 # define CACHE_FLUSH_IS_SAFE	0
31 #else
32 # define CACHE_FLUSH_IS_SAFE	1
33 #endif
34 
35 #define GDB_ADJUSTS_BREAK_OFFSET
36 
37 #endif /* __ASM_SH_KGDB_H */
38