xref: /openbmc/qemu/target/hexagon/opcodes.c (revision effd60c8)
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     va_end(ap);
86 }
87 
88 const OpcodeEncoding opcode_encodings[] = {
89 #define DEF_ENC32(OPCODE, ENCSTR) \
90     [OPCODE] = { .encoding = ENCSTR },
91 
92 #define DEF_ENC_SUBINSN(OPCODE, CLASS, ENCSTR) \
93     [OPCODE] = { .encoding = ENCSTR, .enc_class = CLASS },
94 
95 #define DEF_EXT_ENC(OPCODE, CLASS, ENCSTR) \
96     [OPCODE] = { .encoding = ENCSTR, .enc_class = CLASS },
97 
98 #include "imported/encode.def"
99 
100 #undef DEF_ENC32
101 #undef DEF_ENC_SUBINSN
102 #undef DEF_EXT_ENC
103 };
104 
105 void opcode_init(void)
106 {
107     init_attribs(0, 0);
108 
109 #define ATTRIBS(...) , ## __VA_ARGS__, 0
110 #define OP_ATTRIB(TAG, ARGS) init_attribs(TAG ARGS);
111 #include "op_attribs_generated.h.inc"
112 #undef OP_ATTRIB
113 #undef ATTRIBS
114 }
115