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c906108c SS |
1 | /* This file is part of the program psim. |
2 | ||
3 | Copyright (C) 1994-1998, Andrew Cagney <cagney@highland.com.au> | |
4 | ||
5 | This program is free software; you can redistribute it and/or modify | |
6 | it under the terms of the GNU General Public License as published by | |
7 | the Free Software Foundation; either version 2 of the License, or | |
8 | (at your option) any later version. | |
9 | ||
10 | This program is distributed in the hope that it will be useful, | |
11 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
13 | GNU General Public License for more details. | |
14 | ||
15 | You should have received a copy of the GNU General Public License | |
16 | along with this program; if not, write to the Free Software | |
17 | Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
18 | ||
19 | */ | |
20 | ||
21 | #include "misc.h" | |
22 | #include "lf.h" | |
23 | #include "table.h" | |
24 | #include "filter.h" | |
25 | ||
26 | #include "igen.h" | |
27 | ||
28 | #include "ld-insn.h" | |
29 | #include "ld-decode.h" | |
30 | ||
31 | #include "gen.h" | |
32 | ||
33 | #include "gen-semantics.h" | |
34 | #include "gen-support.h" | |
35 | ||
36 | static void | |
37 | print_support_function_name (lf *file, | |
38 | function_entry *function, | |
39 | int is_function_definition) | |
40 | { | |
41 | if (function->is_internal) | |
42 | { | |
43 | lf_print__function_type_function (file, print_semantic_function_type, | |
44 | "INLINE_SUPPORT", | |
45 | (is_function_definition ? "\n" : " ")); | |
46 | print_function_name (file, | |
47 | function->name, | |
48 | NULL, | |
49 | NULL, | |
50 | NULL, | |
51 | function_name_prefix_semantics); | |
52 | lf_printf (file, "\n("); | |
53 | lf_indent (file, +1); | |
54 | print_semantic_function_formal (file, 0); | |
55 | lf_indent (file, -1); | |
56 | lf_printf (file, ")"); | |
57 | if (!is_function_definition) | |
58 | lf_printf (file, ";"); | |
59 | lf_printf (file, "\n"); | |
60 | } | |
61 | else | |
62 | { | |
63 | /* map the name onto a globally valid name */ | |
64 | if (!is_function_definition | |
65 | && strcmp (options.module.support.prefix.l, "") != 0) | |
66 | { | |
67 | lf_indent_suppress (file); | |
68 | lf_printf (file, "#define %s %s%s\n", | |
69 | function->name, | |
70 | options.module.support.prefix.l, | |
71 | function->name); | |
72 | } | |
73 | lf_print__function_type (file, | |
74 | function->type, | |
75 | "INLINE_SUPPORT", | |
76 | (is_function_definition ? "\n" : " ")); | |
77 | lf_printf (file, "%s%s\n(", | |
78 | options.module.support.prefix.l, | |
79 | function->name); | |
80 | if (options.gen.smp) | |
81 | lf_printf (file, | |
82 | "sim_cpu *cpu, %sinstruction_address cia, int MY_INDEX", | |
83 | options.module.support.prefix.l); | |
84 | else | |
85 | lf_printf (file, | |
86 | "SIM_DESC sd, %sinstruction_address cia, int MY_INDEX", | |
87 | options.module.support.prefix.l); | |
88 | if (function->param != NULL | |
89 | && strlen (function->param) > 0) | |
90 | lf_printf (file, ", %s", function->param); | |
91 | lf_printf (file, ")%s", (is_function_definition ? "\n" : ";\n")); | |
92 | } | |
93 | } | |
94 | ||
95 | ||
96 | static void | |
97 | support_h_function (lf *file, | |
98 | function_entry *function, | |
99 | void *data) | |
100 | { | |
101 | ASSERT (function->type != NULL); | |
102 | print_support_function_name (file, | |
103 | function, | |
104 | 0/*!is_definition*/); | |
105 | lf_printf(file, "\n"); | |
106 | } | |
107 | ||
108 | ||
109 | extern void | |
110 | gen_support_h (lf *file, | |
111 | insn_table *table) | |
112 | { | |
113 | /* output the definition of `SD_'*/ | |
114 | if (options.gen.smp) | |
115 | { | |
116 | lf_printf(file, "#define SD CPU_STATE (cpu)\n"); | |
117 | lf_printf(file, "#define CPU cpu\n"); | |
118 | lf_printf(file, "#define CPU_ cpu\n"); | |
119 | } | |
120 | else | |
121 | { | |
122 | lf_printf(file, "#define SD sd\n"); | |
123 | lf_printf(file, "#define CPU (STATE_CPU (sd, 0))\n"); | |
124 | lf_printf(file, "#define CPU_ sd\n"); | |
125 | } | |
126 | ||
127 | lf_printf(file, "#define CIA_ cia\n"); | |
128 | if (options.gen.delayed_branch) | |
129 | { | |
130 | lf_printf(file, "#define CIA cia.ip\n"); | |
131 | lf_printf(file, "/* #define NIA nia.dp -- do not define, ambigious */\n"); | |
132 | } | |
133 | else | |
134 | { | |
135 | lf_printf(file, "#define CIA cia\n"); | |
136 | lf_printf(file, "#define NIA nia\n"); | |
137 | } | |
138 | lf_printf(file, "\n"); | |
139 | ||
140 | lf_printf(file, "#define SD_ CPU_, CIA_, MY_INDEX\n"); | |
141 | lf_printf(file, "#define _SD SD_ /* deprecated */\n"); | |
142 | lf_printf(file, "\n"); | |
143 | ||
144 | /* Map <PREFIX>_instruction_word and <PREFIX>_idecode_issue onto the | |
145 | shorter instruction_word and idecode_issue. Map defined here as, | |
146 | name space problems are created when the name is defined in | |
147 | idecode.h */ | |
148 | if (strcmp (options.module.idecode.prefix.l, "") != 0) | |
149 | { | |
150 | lf_indent_suppress (file); | |
151 | lf_printf (file, "#define %s %s%s\n", | |
152 | "instruction_word", | |
153 | options.module.idecode.prefix.l, | |
154 | "instruction_word"); | |
155 | lf_printf (file, "\n"); | |
156 | lf_indent_suppress (file); | |
157 | lf_printf (file, "#define %s %s%s\n", | |
158 | "idecode_issue", | |
159 | options.module.idecode.prefix.l, | |
160 | "idecode_issue"); | |
161 | lf_printf (file, "\n"); | |
162 | } | |
163 | ||
164 | /* output a declaration for all functions */ | |
165 | function_entry_traverse (file, table->functions, | |
166 | support_h_function, | |
167 | NULL); | |
168 | lf_printf(file, "\n"); | |
169 | lf_printf(file, "#if defined(SUPPORT_INLINE)\n"); | |
170 | lf_printf(file, "# if ((SUPPORT_INLINE & INCLUDE_MODULE)\\\n"); | |
171 | lf_printf(file, " && (SUPPORT_INLINE & INCLUDED_BY_MODULE))\n"); | |
172 | lf_printf(file, "# include \"%ssupport.c\"\n", options.module.support.prefix.l); | |
173 | lf_printf(file, "# endif\n"); | |
174 | lf_printf(file, "#endif\n"); | |
175 | } | |
176 | ||
177 | static void | |
178 | support_c_function (lf *file, | |
179 | function_entry *function, | |
180 | void *data) | |
181 | { | |
182 | ASSERT (function->type != NULL); | |
183 | print_support_function_name (file, | |
184 | function, | |
185 | 1/*!is_definition*/); | |
186 | lf_printf (file, "{\n"); | |
187 | lf_indent (file, +2); | |
188 | if (function->code == NULL) | |
189 | error (function->line, | |
190 | "Function without body (or null statement)"); | |
191 | lf_print__line_ref (file, function->code->line); | |
192 | table_print_code (file, function->code); | |
193 | if (function->is_internal) | |
194 | { | |
195 | lf_printf (file, "sim_engine_abort (SD, CPU, cia, \"Internal function must longjump\\n\");\n"); | |
196 | lf_printf (file, "return cia;\n"); | |
197 | } | |
198 | lf_indent (file, -2); | |
199 | lf_printf (file, "}\n"); | |
200 | lf_print__internal_ref (file); | |
201 | lf_printf (file, "\n"); | |
202 | } | |
203 | ||
204 | ||
205 | void | |
206 | gen_support_c (lf *file, | |
207 | insn_table *table) | |
208 | { | |
209 | lf_printf(file, "#include \"sim-main.h\"\n"); | |
210 | lf_printf(file, "#include \"%sidecode.h\"\n", options.module.idecode.prefix.l); | |
211 | lf_printf(file, "#include \"%sitable.h\"\n", options.module.itable.prefix.l); | |
212 | lf_printf(file, "#include \"%ssupport.h\"\n", options.module.support.prefix.l); | |
213 | lf_printf(file, "\n"); | |
214 | ||
215 | /* output a definition (c-code) for all functions */ | |
216 | function_entry_traverse (file, table->functions, | |
217 | support_c_function, | |
218 | NULL); | |
219 | } |