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87abef63 | 1 | /* |
fca08f32 | 2 | * arch/arm/probes/decode-thumb.h |
87abef63 DL |
3 | * |
4 | * Copyright 2013 Linaro Ltd. | |
5 | * Written by: David A. Long | |
6 | * | |
7 | * The code contained herein is licensed under the GNU General Public | |
8 | * License. You may obtain a copy of the GNU General Public License | |
9 | * Version 2 or later at the following locations: | |
10 | * | |
11 | * http://www.opensource.org/licenses/gpl-license.html | |
12 | * http://www.gnu.org/copyleft/gpl.html | |
13 | */ | |
14 | ||
15 | #ifndef _ARM_KERNEL_PROBES_THUMB_H | |
16 | #define _ARM_KERNEL_PROBES_THUMB_H | |
17 | ||
fca08f32 WN |
18 | #include "decode.h" |
19 | ||
87abef63 DL |
20 | /* |
21 | * True if current instruction is in an IT block. | |
22 | */ | |
23 | #define in_it_block(cpsr) ((cpsr & 0x06000c00) != 0x00000000) | |
24 | ||
25 | /* | |
26 | * Return the condition code to check for the currently executing instruction. | |
27 | * This is in ITSTATE<7:4> which is in CPSR<15:12> but is only valid if | |
28 | * in_it_block returns true. | |
29 | */ | |
30 | #define current_cond(cpsr) ((cpsr >> 12) & 0xf) | |
31 | ||
3e6cd394 DL |
32 | enum probes_t32_action { |
33 | PROBES_T32_EMULATE_NONE, | |
34 | PROBES_T32_SIMULATE_NOP, | |
35 | PROBES_T32_LDMSTM, | |
36 | PROBES_T32_LDRDSTRD, | |
37 | PROBES_T32_TABLE_BRANCH, | |
38 | PROBES_T32_TST, | |
39 | PROBES_T32_CMP, | |
40 | PROBES_T32_MOV, | |
41 | PROBES_T32_ADDSUB, | |
42 | PROBES_T32_LOGICAL, | |
43 | PROBES_T32_ADDWSUBW_PC, | |
44 | PROBES_T32_ADDWSUBW, | |
45 | PROBES_T32_MOVW, | |
46 | PROBES_T32_SAT, | |
47 | PROBES_T32_BITFIELD, | |
48 | PROBES_T32_SEV, | |
49 | PROBES_T32_WFE, | |
50 | PROBES_T32_MRS, | |
51 | PROBES_T32_BRANCH_COND, | |
52 | PROBES_T32_BRANCH, | |
53 | PROBES_T32_PLDI, | |
54 | PROBES_T32_LDR_LIT, | |
55 | PROBES_T32_LDRSTR, | |
56 | PROBES_T32_SIGN_EXTEND, | |
57 | PROBES_T32_MEDIA, | |
58 | PROBES_T32_REVERSE, | |
59 | PROBES_T32_MUL_ADD, | |
60 | PROBES_T32_MUL_ADD2, | |
61 | PROBES_T32_MUL_ADD_LONG, | |
62 | NUM_PROBES_T32_ACTIONS | |
63 | }; | |
87abef63 | 64 | |
3e6cd394 DL |
65 | enum probes_t16_action { |
66 | PROBES_T16_ADD_SP, | |
67 | PROBES_T16_CBZ, | |
68 | PROBES_T16_SIGN_EXTEND, | |
69 | PROBES_T16_PUSH, | |
70 | PROBES_T16_POP, | |
71 | PROBES_T16_SEV, | |
72 | PROBES_T16_WFE, | |
73 | PROBES_T16_IT, | |
74 | PROBES_T16_CMP, | |
75 | PROBES_T16_ADDSUB, | |
76 | PROBES_T16_LOGICAL, | |
77 | PROBES_T16_BLX, | |
78 | PROBES_T16_HIREGOPS, | |
79 | PROBES_T16_LDR_LIT, | |
80 | PROBES_T16_LDRHSTRH, | |
81 | PROBES_T16_LDRSTR, | |
82 | PROBES_T16_ADR, | |
83 | PROBES_T16_LDMSTM, | |
84 | PROBES_T16_BRANCH_COND, | |
85 | PROBES_T16_BRANCH, | |
86 | NUM_PROBES_T16_ACTIONS | |
87 | }; | |
87abef63 | 88 | |
47e190fa DL |
89 | extern const union decode_item probes_decode_thumb32_table[]; |
90 | extern const union decode_item probes_decode_thumb16_table[]; | |
91 | ||
92 | enum probes_insn __kprobes | |
b4cd605c | 93 | thumb16_probes_decode_insn(probes_opcode_t insn, struct arch_probes_insn *asi, |
83803d97 WN |
94 | bool emulate, const union decode_action *actions, |
95 | const struct decode_checker *checkers[]); | |
47e190fa | 96 | enum probes_insn __kprobes |
b4cd605c | 97 | thumb32_probes_decode_insn(probes_opcode_t insn, struct arch_probes_insn *asi, |
83803d97 WN |
98 | bool emulate, const union decode_action *actions, |
99 | const struct decode_checker *checkers[]); | |
47e190fa | 100 | |
87abef63 | 101 | #endif |