/[gxemul]/upstream/0.4.1/src/cpus/generate_sparc_loadstore.c
This is repository of my old source code which isn't updated any more. Go to git.rot13.org for current projects!
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Contents of /upstream/0.4.1/src/cpus/generate_sparc_loadstore.c

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Revision 29 - (show annotations)
Mon Oct 8 16:20:32 2007 UTC (16 years, 7 months ago) by dpavlin
File MIME type: text/plain
File size: 4203 byte(s)
0.4.1
1 /*
2 * Copyright (C) 2006 Anders Gavare. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are met:
6 *
7 * 1. Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 * notice, this list of conditions and the following disclaimer in the
11 * documentation and/or other materials provided with the distribution.
12 * 3. The name of the author may not be used to endorse or promote products
13 * derived from this software without specific prior written permission.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 *
28 * $Id: generate_sparc_loadstore.c,v 1.1 2006/07/02 11:01:20 debug Exp $
29 */
30
31 #include <stdio.h>
32 #include <string.h>
33
34
35 void print_function_name(int use_imm, int store, int size, int signedness)
36 {
37 if (use_imm)
38 printf("i");
39 if (store)
40 printf("s");
41 else {
42 printf("l");
43 if (!signedness)
44 printf("u");
45 }
46 printf("%i", 1 << size);
47 }
48
49
50 void loadstore(int mode32, int use_imm, int store, int size, int signedness)
51 {
52 if (store && signedness)
53 return;
54
55 printf("#if%sdef MODE32\n", mode32? "" : "n");
56
57 if (use_imm)
58 printf("#define LS_USE_IMM\n");
59
60 if (store)
61 printf("#define LS_STORE\n");
62 else
63 printf("#define LS_LOAD\n");
64
65 printf("#define LS_N sparc%s_instr_", mode32? "32" : "");
66 print_function_name(use_imm, store, size, signedness);
67 printf("\n");
68
69 printf("#define LS_GENERIC_N sparc%s_generic_", mode32? "32" : "");
70 print_function_name(use_imm, store, size, signedness);
71 printf("\n");
72
73 printf("#define LS_%i\n", 1 << size);
74 printf("#define LS_SIZE %i\n", 1 << size);
75
76 if (signedness && !store)
77 printf("#define LS_SIGNED\n");
78
79 printf("#include \"cpu_sparc_instr_loadstore.c\"\n");
80
81 if (signedness && !store)
82 printf("#undef LS_SIGNED\n");
83
84 printf("#undef LS_SIZE\n");
85 printf("#undef LS_%i\n", 1 << size);
86
87 printf("#undef LS_GENERIC_N\n");
88 printf("#undef LS_N\n");
89
90 if (store)
91 printf("#undef LS_STORE\n");
92 else
93 printf("#undef LS_LOAD\n");
94
95 if (use_imm)
96 printf("#undef LS_USE_IMM\n");
97
98 printf("#endif\n");
99 }
100
101
102 int main(int argc, char *argv[])
103 {
104 int store, mode32, size, signedness, use_imm;
105
106 printf("\n/* AUTOMATICALLY GENERATED! Do not edit. */\n\n");
107
108 for (mode32=0; mode32<=1; mode32++)
109 for (use_imm=0; use_imm<=1; use_imm++)
110 for (store=0; store<=1; store++)
111 for (size=0; size<=3; size++)
112 for (signedness=0; signedness<=1; signedness++)
113 loadstore(mode32, use_imm, store, size, signedness);
114
115 /* Array of pointers to fast load/store functions: */
116 for (mode32=0; mode32<=1; mode32++) {
117 printf("#if%sdef MODE32\n", mode32? "" : "n");
118 printf("\n\nvoid (*sparc%s_loadstore[32])(struct cpu *, struct "
119 "sparc_instr_call *) = {\n", mode32? "32" : "");
120 for (use_imm=0; use_imm<=1; use_imm++)
121 for (store=0; store<=1; store++)
122 for (size=0; size<=3; size++)
123 for (signedness=0; signedness<=1; signedness++) {
124 if (store || size || signedness || use_imm)
125 printf(",\n");
126
127 if (store && signedness) {
128 printf("\tsparc%s_instr_invalid",
129 mode32? "32" : "");
130 continue;
131 }
132
133 printf("\tsparc%s_instr_", mode32? "32" : "");
134 print_function_name(use_imm, store,
135 size, signedness);
136 }
137 printf(" };\n");
138 printf("#endif\n");
139 }
140
141 return 0;
142 }
143

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