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fe89bd2b VC |
1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
2 | ||
3 | #ifndef __ASM_KGDB_H_ | |
4 | #define __ASM_KGDB_H_ | |
5 | ||
6 | #ifdef __KERNEL__ | |
7 | ||
8 | #define GDB_SIZEOF_REG sizeof(unsigned long) | |
9 | ||
d9657570 | 10 | #define DBG_MAX_REG_NUM (36) |
fe89bd2b VC |
11 | #define NUMREGBYTES ((DBG_MAX_REG_NUM) * GDB_SIZEOF_REG) |
12 | #define CACHE_FLUSH_IS_SAFE 1 | |
13 | #define BUFMAX 2048 | |
14 | #ifdef CONFIG_RISCV_ISA_C | |
15 | #define BREAK_INSTR_SIZE 2 | |
16 | #else | |
17 | #define BREAK_INSTR_SIZE 4 | |
18 | #endif | |
19 | ||
20 | #ifndef __ASSEMBLY__ | |
21 | ||
fe89bd2b VC |
22 | extern unsigned long kgdb_compiled_break; |
23 | ||
24 | static inline void arch_kgdb_breakpoint(void) | |
25 | { | |
26 | asm(".global kgdb_compiled_break\n" | |
27 | ".option norvc\n" | |
28 | "kgdb_compiled_break: ebreak\n" | |
29 | ".option rvc\n"); | |
30 | } | |
31 | ||
32 | #endif /* !__ASSEMBLY__ */ | |
33 | ||
34 | #define DBG_REG_ZERO "zero" | |
35 | #define DBG_REG_RA "ra" | |
36 | #define DBG_REG_SP "sp" | |
37 | #define DBG_REG_GP "gp" | |
38 | #define DBG_REG_TP "tp" | |
39 | #define DBG_REG_T0 "t0" | |
40 | #define DBG_REG_T1 "t1" | |
41 | #define DBG_REG_T2 "t2" | |
42 | #define DBG_REG_FP "fp" | |
43 | #define DBG_REG_S1 "s1" | |
44 | #define DBG_REG_A0 "a0" | |
45 | #define DBG_REG_A1 "a1" | |
46 | #define DBG_REG_A2 "a2" | |
47 | #define DBG_REG_A3 "a3" | |
48 | #define DBG_REG_A4 "a4" | |
49 | #define DBG_REG_A5 "a5" | |
50 | #define DBG_REG_A6 "a6" | |
51 | #define DBG_REG_A7 "a7" | |
52 | #define DBG_REG_S2 "s2" | |
53 | #define DBG_REG_S3 "s3" | |
54 | #define DBG_REG_S4 "s4" | |
55 | #define DBG_REG_S5 "s5" | |
56 | #define DBG_REG_S6 "s6" | |
57 | #define DBG_REG_S7 "s7" | |
58 | #define DBG_REG_S8 "s8" | |
59 | #define DBG_REG_S9 "s9" | |
60 | #define DBG_REG_S10 "s10" | |
61 | #define DBG_REG_S11 "s11" | |
62 | #define DBG_REG_T3 "t3" | |
63 | #define DBG_REG_T4 "t4" | |
64 | #define DBG_REG_T5 "t5" | |
65 | #define DBG_REG_T6 "t6" | |
66 | #define DBG_REG_EPC "pc" | |
d9657570 VC |
67 | #define DBG_REG_STATUS "sstatus" |
68 | #define DBG_REG_BADADDR "stval" | |
69 | #define DBG_REG_CAUSE "scause" | |
fe89bd2b VC |
70 | |
71 | #define DBG_REG_ZERO_OFF 0 | |
72 | #define DBG_REG_RA_OFF 1 | |
73 | #define DBG_REG_SP_OFF 2 | |
74 | #define DBG_REG_GP_OFF 3 | |
75 | #define DBG_REG_TP_OFF 4 | |
76 | #define DBG_REG_T0_OFF 5 | |
77 | #define DBG_REG_T1_OFF 6 | |
78 | #define DBG_REG_T2_OFF 7 | |
79 | #define DBG_REG_FP_OFF 8 | |
80 | #define DBG_REG_S1_OFF 9 | |
81 | #define DBG_REG_A0_OFF 10 | |
82 | #define DBG_REG_A1_OFF 11 | |
83 | #define DBG_REG_A2_OFF 12 | |
84 | #define DBG_REG_A3_OFF 13 | |
85 | #define DBG_REG_A4_OFF 14 | |
86 | #define DBG_REG_A5_OFF 15 | |
87 | #define DBG_REG_A6_OFF 16 | |
88 | #define DBG_REG_A7_OFF 17 | |
89 | #define DBG_REG_S2_OFF 18 | |
90 | #define DBG_REG_S3_OFF 19 | |
91 | #define DBG_REG_S4_OFF 20 | |
92 | #define DBG_REG_S5_OFF 21 | |
93 | #define DBG_REG_S6_OFF 22 | |
94 | #define DBG_REG_S7_OFF 23 | |
95 | #define DBG_REG_S8_OFF 24 | |
96 | #define DBG_REG_S9_OFF 25 | |
97 | #define DBG_REG_S10_OFF 26 | |
98 | #define DBG_REG_S11_OFF 27 | |
99 | #define DBG_REG_T3_OFF 28 | |
100 | #define DBG_REG_T4_OFF 29 | |
101 | #define DBG_REG_T5_OFF 30 | |
102 | #define DBG_REG_T6_OFF 31 | |
103 | #define DBG_REG_EPC_OFF 32 | |
104 | #define DBG_REG_STATUS_OFF 33 | |
105 | #define DBG_REG_BADADDR_OFF 34 | |
106 | #define DBG_REG_CAUSE_OFF 35 | |
d9657570 | 107 | |
70ee5731 VC |
108 | extern const char riscv_gdb_stub_feature[64]; |
109 | ||
110 | #define kgdb_arch_gdb_stub_feature riscv_gdb_stub_feature | |
d9657570 | 111 | |
fe89bd2b VC |
112 | #endif |
113 | #endif |