Commit | Line | Data |
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d94d71cb | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
c381a043 | 2 | /* |
c381a043 HB |
3 | * |
4 | * Copyright IBM Corp. 2008 | |
5 | * | |
6 | * Authors: Hollis Blanchard <hollisb@us.ibm.com> | |
7 | */ | |
8 | ||
9 | #ifndef __ASM_PPC_DISASSEMBLE_H__ | |
10 | #define __ASM_PPC_DISASSEMBLE_H__ | |
11 | ||
12 | #include <linux/types.h> | |
13 | ||
14 | static inline unsigned int get_op(u32 inst) | |
15 | { | |
16 | return inst >> 26; | |
17 | } | |
18 | ||
19 | static inline unsigned int get_xop(u32 inst) | |
20 | { | |
21 | return (inst >> 1) & 0x3ff; | |
22 | } | |
23 | ||
24 | static inline unsigned int get_sprn(u32 inst) | |
25 | { | |
26 | return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0); | |
27 | } | |
28 | ||
29 | static inline unsigned int get_dcrn(u32 inst) | |
30 | { | |
31 | return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0); | |
32 | } | |
33 | ||
2daab50e TL |
34 | static inline unsigned int get_tmrn(u32 inst) |
35 | { | |
36 | return ((inst >> 16) & 0x1f) | ((inst >> 6) & 0x3e0); | |
37 | } | |
38 | ||
c381a043 HB |
39 | static inline unsigned int get_rt(u32 inst) |
40 | { | |
41 | return (inst >> 21) & 0x1f; | |
42 | } | |
43 | ||
44 | static inline unsigned int get_rs(u32 inst) | |
45 | { | |
46 | return (inst >> 21) & 0x1f; | |
47 | } | |
48 | ||
49 | static inline unsigned int get_ra(u32 inst) | |
50 | { | |
51 | return (inst >> 16) & 0x1f; | |
52 | } | |
53 | ||
54 | static inline unsigned int get_rb(u32 inst) | |
55 | { | |
56 | return (inst >> 11) & 0x1f; | |
57 | } | |
58 | ||
59 | static inline unsigned int get_rc(u32 inst) | |
60 | { | |
61 | return inst & 0x1; | |
62 | } | |
63 | ||
64 | static inline unsigned int get_ws(u32 inst) | |
65 | { | |
66 | return (inst >> 11) & 0x1f; | |
67 | } | |
68 | ||
69 | static inline unsigned int get_d(u32 inst) | |
70 | { | |
71 | return inst & 0xffff; | |
72 | } | |
73 | ||
b12c7841 BB |
74 | static inline unsigned int get_oc(u32 inst) |
75 | { | |
76 | return (inst >> 11) & 0x7fff; | |
77 | } | |
ddca156a | 78 | |
6f63e81b BL |
79 | static inline unsigned int get_tx_or_sx(u32 inst) |
80 | { | |
81 | return (inst) & 0x1; | |
82 | } | |
83 | ||
ddca156a AK |
84 | #define IS_XFORM(inst) (get_op(inst) == 31) |
85 | #define IS_DSFORM(inst) (get_op(inst) >= 56) | |
86 | ||
87 | /* | |
88 | * Create a DSISR value from the instruction | |
89 | */ | |
90 | static inline unsigned make_dsisr(unsigned instr) | |
91 | { | |
92 | unsigned dsisr; | |
93 | ||
94 | ||
95 | /* bits 6:15 --> 22:31 */ | |
96 | dsisr = (instr & 0x03ff0000) >> 16; | |
97 | ||
98 | if (IS_XFORM(instr)) { | |
99 | /* bits 29:30 --> 15:16 */ | |
100 | dsisr |= (instr & 0x00000006) << 14; | |
101 | /* bit 25 --> 17 */ | |
102 | dsisr |= (instr & 0x00000040) << 8; | |
103 | /* bits 21:24 --> 18:21 */ | |
104 | dsisr |= (instr & 0x00000780) << 3; | |
105 | } else { | |
106 | /* bit 5 --> 17 */ | |
107 | dsisr |= (instr & 0x04000000) >> 12; | |
108 | /* bits 1: 4 --> 18:21 */ | |
109 | dsisr |= (instr & 0x78000000) >> 17; | |
110 | /* bits 30:31 --> 12:13 */ | |
111 | if (IS_DSFORM(instr)) | |
112 | dsisr |= (instr & 0x00000003) << 18; | |
113 | } | |
114 | ||
115 | return dsisr; | |
116 | } | |
c381a043 | 117 | #endif /* __ASM_PPC_DISASSEMBLE_H__ */ |