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f7a9e80d TS |
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 | * This program generates the semantics file that is processed by | |
20 | * the do_qemu.py script. We use the C preporcessor to manipulate the | |
21 | * files imported from the Hexagon architecture library. | |
22 | */ | |
23 | ||
24 | #include <stdio.h> | |
25 | #define STRINGIZE(X) #X | |
26 | ||
27 | int main(int argc, char *argv[]) | |
28 | { | |
29 | FILE *outfile; | |
30 | ||
31 | if (argc != 2) { | |
32 | fprintf(stderr, "Usage: gen_semantics ouptputfile\n"); | |
33 | return 1; | |
34 | } | |
35 | outfile = fopen(argv[1], "w"); | |
36 | if (outfile == NULL) { | |
37 | fprintf(stderr, "Cannot open %s for writing\n", argv[1]); | |
38 | return 1; | |
39 | } | |
40 | ||
41 | /* | |
42 | * Process the instruction definitions | |
43 | * Scalar core instructions have the following form | |
44 | * Q6INSN(A2_add,"Rd32=add(Rs32,Rt32)",ATTRIBS(), | |
45 | * "Add 32-bit registers", | |
46 | * { RdV=RsV+RtV;}) | |
144da357 TS |
47 | * HVX instructions have the following form |
48 | * EXTINSN(V6_vinsertwr, "Vx32.w=vinsert(Rt32)", | |
49 | * ATTRIBS(A_EXTENSION,A_CVI,A_CVI_VX), | |
50 | * "Insert Word Scalar into Vector", | |
51 | * VxV.uw[0] = RtV;) | |
f7a9e80d TS |
52 | */ |
53 | #define Q6INSN(TAG, BEH, ATTRIBS, DESCR, SEM) \ | |
54 | do { \ | |
55 | fprintf(outfile, "SEMANTICS( \\\n" \ | |
56 | " \"%s\", \\\n" \ | |
57 | " %s, \\\n" \ | |
58 | " \"\"\"%s\"\"\" \\\n" \ | |
59 | ")\n", \ | |
60 | #TAG, STRINGIZE(BEH), STRINGIZE(SEM)); \ | |
61 | fprintf(outfile, "ATTRIBUTES( \\\n" \ | |
62 | " \"%s\", \\\n" \ | |
63 | " \"%s\" \\\n" \ | |
64 | ")\n", \ | |
65 | #TAG, STRINGIZE(ATTRIBS)); \ | |
66 | } while (0); | |
144da357 TS |
67 | #define EXTINSN(TAG, BEH, ATTRIBS, DESCR, SEM) \ |
68 | do { \ | |
69 | fprintf(outfile, "SEMANTICS( \\\n" \ | |
70 | " \"%s\", \\\n" \ | |
71 | " %s, \\\n" \ | |
72 | " \"\"\"%s\"\"\" \\\n" \ | |
73 | ")\n", \ | |
74 | #TAG, STRINGIZE(BEH), STRINGIZE(SEM)); \ | |
75 | fprintf(outfile, "ATTRIBUTES( \\\n" \ | |
76 | " \"%s\", \\\n" \ | |
77 | " \"%s\" \\\n" \ | |
78 | ")\n", \ | |
79 | #TAG, STRINGIZE(ATTRIBS)); \ | |
80 | } while (0); | |
f7a9e80d TS |
81 | #include "imported/allidefs.def" |
82 | #undef Q6INSN | |
144da357 | 83 | #undef EXTINSN |
f7a9e80d TS |
84 | |
85 | /* | |
86 | * Process the macro definitions | |
87 | * Macros definitions have the following form | |
88 | * DEF_MACRO( | |
89 | * fLSBNEW0, | |
90 | * predlog_read(thread,0), | |
91 | * () | |
92 | * ) | |
93 | * The important part here is the attributes. Whenever an instruction | |
94 | * invokes a macro, we add the macro's attributes to the instruction. | |
95 | */ | |
96 | #define DEF_MACRO(MNAME, BEH, ATTRS) \ | |
97 | fprintf(outfile, "MACROATTRIB( \\\n" \ | |
98 | " \"%s\", \\\n" \ | |
99 | " \"\"\"%s\"\"\", \\\n" \ | |
100 | " \"%s\" \\\n" \ | |
101 | ")\n", \ | |
102 | #MNAME, STRINGIZE(BEH), STRINGIZE(ATTRS)); | |
103 | #include "imported/macros.def" | |
144da357 TS |
104 | #undef DEF_MACRO |
105 | ||
106 | /* | |
107 | * Process the macros for HVX | |
108 | */ | |
109 | #define DEF_MACRO(MNAME, BEH, ATTRS) \ | |
110 | fprintf(outfile, "MACROATTRIB( \\\n" \ | |
111 | " \"%s\", \\\n" \ | |
112 | " \"\"\"%s\"\"\", \\\n" \ | |
113 | " \"%s\" \\\n" \ | |
114 | ")\n", \ | |
115 | #MNAME, STRINGIZE(BEH), STRINGIZE(ATTRS)); | |
116 | #include "imported/allext_macros.def" | |
f7a9e80d TS |
117 | #undef DEF_MACRO |
118 | ||
119 | fclose(outfile); | |
120 | return 0; | |
121 | } |