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1 | /* |
2 | * Copyright(c) 2019-2021 Qualcomm Innovation Center, Inc. All Rights Reserved. | |
3 | * | |
4 | * This program is free software; you can redistribute it and/or modify | |
5 | * it under the terms of the GNU General Public License as published by | |
6 | * the Free Software Foundation; either version 2 of the License, or | |
7 | * (at your option) any later version. | |
8 | * | |
9 | * This program is distributed in the hope that it will be useful, | |
10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
12 | * GNU General Public License for more details. | |
13 | * | |
14 | * You should have received a copy of the GNU General Public License | |
15 | * along with this program; if not, see <http://www.gnu.org/licenses/>. | |
16 | */ | |
17 | ||
18 | /* | |
19 | * opcodes.c | |
20 | * | |
21 | * data tables generated automatically | |
22 | * Maybe some functions too | |
23 | */ | |
24 | ||
25 | #include "qemu/osdep.h" | |
26 | #include "attribs.h" | |
27 | #include "decode.h" | |
28 | ||
29 | #define VEC_DESCR(A, B, C) DESCR(A, B, C) | |
30 | #define DONAME(X) #X | |
31 | ||
32 | const char * const opcode_names[] = { | |
33 | #define OPCODE(IID) DONAME(IID) | |
34 | #include "opcodes_def_generated.h.inc" | |
35 | NULL | |
36 | #undef OPCODE | |
37 | }; | |
38 | ||
39 | const char * const opcode_reginfo[] = { | |
40 | #define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing */ | |
41 | #define REGINFO(TAG, REGINFO, RREGS, WREGS) REGINFO, | |
42 | #include "op_regs_generated.h.inc" | |
43 | NULL | |
44 | #undef REGINFO | |
45 | #undef IMMINFO | |
46 | }; | |
47 | ||
48 | ||
49 | const char * const opcode_rregs[] = { | |
50 | #define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing */ | |
51 | #define REGINFO(TAG, REGINFO, RREGS, WREGS) RREGS, | |
52 | #include "op_regs_generated.h.inc" | |
53 | NULL | |
54 | #undef REGINFO | |
55 | #undef IMMINFO | |
56 | }; | |
57 | ||
58 | ||
59 | const char * const opcode_wregs[] = { | |
60 | #define IMMINFO(TAG, SIGN, SIZE, SHAMT, SIGN2, SIZE2, SHAMT2) /* nothing */ | |
61 | #define REGINFO(TAG, REGINFO, RREGS, WREGS) WREGS, | |
62 | #include "op_regs_generated.h.inc" | |
63 | NULL | |
64 | #undef REGINFO | |
65 | #undef IMMINFO | |
66 | }; | |
67 | ||
68 | const char * const opcode_short_semantics[] = { | |
69 | #define DEF_SHORTCODE(TAG, SHORTCODE) [TAG] = #SHORTCODE, | |
70 | #include "shortcode_generated.h.inc" | |
71 | #undef DEF_SHORTCODE | |
72 | NULL | |
73 | }; | |
74 | ||
75 | DECLARE_BITMAP(opcode_attribs[XX_LAST_OPCODE], A_ZZ_LASTATTRIB); | |
76 | ||
77 | static void init_attribs(int tag, ...) | |
78 | { | |
79 | va_list ap; | |
80 | int attr; | |
81 | va_start(ap, tag); | |
82 | while ((attr = va_arg(ap, int)) != 0) { | |
83 | set_bit(attr, opcode_attribs[tag]); | |
84 | } | |
85 | } | |
86 | ||
87 | const OpcodeEncoding opcode_encodings[] = { | |
88 | #define DEF_ENC32(OPCODE, ENCSTR) \ | |
89 | [OPCODE] = { .encoding = ENCSTR }, | |
90 | ||
91 | #define DEF_ENC_SUBINSN(OPCODE, CLASS, ENCSTR) \ | |
92 | [OPCODE] = { .encoding = ENCSTR, .enc_class = CLASS }, | |
93 | ||
94 | #define DEF_EXT_ENC(OPCODE, CLASS, ENCSTR) \ | |
95 | [OPCODE] = { .encoding = ENCSTR, .enc_class = CLASS }, | |
96 | ||
97 | #include "imported/encode.def" | |
98 | ||
99 | #undef DEF_ENC32 | |
100 | #undef DEF_ENC_SUBINSN | |
101 | #undef DEF_EXT_ENC | |
102 | }; | |
103 | ||
104 | void opcode_init(void) | |
105 | { | |
106 | init_attribs(0, 0); | |
107 | ||
108 | #define ATTRIBS(...) , ## __VA_ARGS__, 0 | |
109 | #define OP_ATTRIB(TAG, ARGS) init_attribs(TAG ARGS); | |
110 | #include "op_attribs_generated.h.inc" | |
111 | #undef OP_ATTRIB | |
112 | #undef ATTRIBS | |
113 | ||
114 | decode_init(); | |
115 | } | |
116 | ||
117 | ||
118 | #define NEEDLE "IMMEXT(" | |
119 | ||
120 | int opcode_which_immediate_is_extended(Opcode opcode) | |
121 | { | |
122 | const char *p; | |
123 | ||
124 | g_assert(opcode < XX_LAST_OPCODE); | |
125 | g_assert(GET_ATTRIB(opcode, A_EXTENDABLE)); | |
126 | ||
127 | p = opcode_short_semantics[opcode]; | |
128 | p = strstr(p, NEEDLE); | |
129 | g_assert(p); | |
130 | p += strlen(NEEDLE); | |
131 | while (isspace(*p)) { | |
132 | p++; | |
133 | } | |
134 | /* lower is always imm 0, upper always imm 1. */ | |
135 | if (islower(*p)) { | |
136 | return 0; | |
137 | } else if (isupper(*p)) { | |
138 | return 1; | |
139 | } else { | |
140 | g_assert_not_reached(); | |
141 | } | |
142 | } |