xref: /openbmc/linux/arch/mips/include/asm/kgdb.h (revision 9ac8d3fb)
1 #ifndef __ASM_KGDB_H_
2 #define __ASM_KGDB_H_
3 
4 #ifdef __KERNEL__
5 
6 #include <asm/sgidefs.h>
7 
8 #if (_MIPS_ISA == _MIPS_ISA_MIPS1) || (_MIPS_ISA == _MIPS_ISA_MIPS2) || \
9 	(_MIPS_ISA == _MIPS_ISA_MIPS32)
10 
11 #define KGDB_GDB_REG_SIZE 32
12 
13 #elif (_MIPS_ISA == _MIPS_ISA_MIPS3) || (_MIPS_ISA == _MIPS_ISA_MIPS4) || \
14 	(_MIPS_ISA == _MIPS_ISA_MIPS64)
15 
16 #ifdef CONFIG_32BIT
17 #define KGDB_GDB_REG_SIZE 32
18 #else /* CONFIG_CPU_32BIT */
19 #define KGDB_GDB_REG_SIZE 64
20 #endif
21 #else
22 #error "Need to set KGDB_GDB_REG_SIZE for MIPS ISA"
23 #endif /* _MIPS_ISA */
24 
25 #define BUFMAX			2048
26 #if (KGDB_GDB_REG_SIZE == 32)
27 #define NUMREGBYTES		(90*sizeof(u32))
28 #define NUMCRITREGBYTES		(12*sizeof(u32))
29 #else
30 #define NUMREGBYTES		(90*sizeof(u64))
31 #define NUMCRITREGBYTES		(12*sizeof(u64))
32 #endif
33 #define BREAK_INSTR_SIZE	4
34 #define CACHE_FLUSH_IS_SAFE	0
35 
36 extern void arch_kgdb_breakpoint(void);
37 extern int kgdb_early_setup;
38 extern void *saved_vectors[32];
39 extern void handle_exception(struct pt_regs *regs);
40 extern void breakinst(void);
41 
42 #endif				/* __KERNEL__ */
43 
44 #endif /* __ASM_KGDB_H_ */
45