xref: /openbmc/linux/arch/sparc/include/asm/kgdb.h (revision e2ad626f)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 #ifndef _SPARC_KGDB_H
3 #define _SPARC_KGDB_H
4 
5 #ifdef CONFIG_SPARC32
6 #define BUFMAX			2048
7 #else
8 #define BUFMAX			4096
9 #endif
10 
11 enum regnames {
12 	GDB_G0, GDB_G1, GDB_G2, GDB_G3, GDB_G4, GDB_G5, GDB_G6, GDB_G7,
13 	GDB_O0, GDB_O1, GDB_O2, GDB_O3, GDB_O4, GDB_O5, GDB_SP, GDB_O7,
14 	GDB_L0, GDB_L1, GDB_L2, GDB_L3, GDB_L4, GDB_L5, GDB_L6, GDB_L7,
15 	GDB_I0, GDB_I1, GDB_I2, GDB_I3, GDB_I4, GDB_I5, GDB_FP, GDB_I7,
16 	GDB_F0,
17 	GDB_F31 = GDB_F0 + 31,
18 #ifdef CONFIG_SPARC32
19 	GDB_Y, GDB_PSR, GDB_WIM, GDB_TBR, GDB_PC, GDB_NPC,
20 	GDB_FSR, GDB_CSR,
21 #else
22 	GDB_F32 = GDB_F0 + 32,
23 	GDB_F62 = GDB_F32 + 15,
24 	GDB_PC, GDB_NPC, GDB_STATE, GDB_FSR, GDB_FPRS, GDB_Y,
25 #endif
26 };
27 
28 #ifdef CONFIG_SPARC32
29 #define NUMREGBYTES		((GDB_CSR + 1) * 4)
30 #else
31 #define NUMREGBYTES		((GDB_Y + 1) * 8)
32 #endif
33 
34 struct pt_regs;
35 asmlinkage void kgdb_trap(unsigned long trap_level, struct pt_regs *regs);
36 
37 void arch_kgdb_breakpoint(void);
38 
39 #define BREAK_INSTR_SIZE	4
40 #define CACHE_FLUSH_IS_SAFE	1
41 
42 #endif /* _SPARC_KGDB_H */
43