/[gxemul]/upstream/0.3.1/src/cpu_sparc.c
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Contents of /upstream/0.3.1/src/cpu_sparc.c

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Revision 3 - (show annotations)
Mon Oct 8 16:17:52 2007 UTC (16 years, 7 months ago) by dpavlin
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File size: 4664 byte(s)
0.3.1
1 /*
2 * Copyright (C) 2005 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: cpu_sparc.c,v 1.8 2005/02/22 12:05:19 debug Exp $
29 *
30 * SPARC CPU emulation.
31 *
32 * TODO: This is just a dummy so far.
33 */
34
35 #include <stdio.h>
36 #include <stdlib.h>
37 #include <string.h>
38 #include <ctype.h>
39
40 #include "misc.h"
41
42
43 #ifndef ENABLE_SPARC
44
45
46 #include "cpu_sparc.h"
47
48
49 /*
50 * sparc_cpu_family_init():
51 *
52 * Bogus, when ENABLE_SPARC isn't defined.
53 */
54 int sparc_cpu_family_init(struct cpu_family *fp)
55 {
56 return 0;
57 }
58
59
60 #else /* ENABLE_SPARC */
61
62
63 #include "cpu.h"
64 #include "cpu_sparc.h"
65 #include "machine.h"
66 #include "memory.h"
67 #include "symbol.h"
68
69
70 extern volatile int single_step;
71 extern int old_show_trace_tree;
72 extern int old_instruction_trace;
73 extern int old_quiet_mode;
74 extern int quiet_mode;
75
76
77 /*
78 * sparc_cpu_new():
79 *
80 * Create a new SPARC cpu object.
81 */
82 struct cpu *sparc_cpu_new(struct memory *mem, struct machine *machine,
83 int cpu_id, char *cpu_type_name)
84 {
85 struct cpu *cpu;
86
87 if (cpu_type_name == NULL || strcmp(cpu_type_name, "SPARCV9") != 0)
88 return NULL;
89
90 cpu = malloc(sizeof(struct cpu));
91 if (cpu == NULL) {
92 fprintf(stderr, "out of memory\n");
93 exit(1);
94 }
95
96 memset(cpu, 0, sizeof(struct cpu));
97 cpu->memory_rw = sparc_memory_rw;
98 cpu->name = cpu_type_name;
99 cpu->mem = mem;
100 cpu->machine = machine;
101 cpu->cpu_id = cpu_id;
102 cpu->byte_order = EMUL_BIG_ENDIAN;
103 cpu->bootstrap_cpu_flag = 0;
104 cpu->running = 0;
105
106 /* Only show name and caches etc for CPU nr 0 (in SMP machines): */
107 if (cpu_id == 0) {
108 debug("%s", cpu->name);
109 }
110
111 return cpu;
112 }
113
114
115 /*
116 * sparc_cpu_dumpinfo():
117 */
118 void sparc_cpu_dumpinfo(struct cpu *cpu)
119 {
120 debug("\n");
121
122 /* TODO */
123 }
124
125
126 /*
127 * sparc_cpu_list_available_types():
128 *
129 * Print a list of available SPARC CPU types.
130 */
131 void sparc_cpu_list_available_types(void)
132 {
133 /* TODO */
134
135 debug("SPARCV9\n");
136 }
137
138
139 /*
140 * sparc_cpu_register_match():
141 */
142 void sparc_cpu_register_match(struct machine *m, char *name,
143 int writeflag, uint64_t *valuep, int *match_register)
144 {
145 int cpunr = 0;
146
147 /* CPU number: */
148
149 /* TODO */
150
151 /* Register name: */
152 if (strcasecmp(name, "pc") == 0) {
153 if (writeflag) {
154 m->cpus[cpunr]->pc = *valuep;
155 } else
156 *valuep = m->cpus[cpunr]->pc;
157 *match_register = 1;
158 }
159
160 /* TODO: _LOTS_ of stuff. */
161 }
162
163
164 #define MEMORY_RW sparc_memory_rw
165 #define MEM_SPARC
166 #include "memory_rw.c"
167 #undef MEM_SPARC
168 #undef MEMORY_RW
169
170
171 /*
172 * sparc_cpu_family_init():
173 *
174 * Fill in the cpu_family struct for SPARC.
175 */
176 int sparc_cpu_family_init(struct cpu_family *fp)
177 {
178 fp->name = "SPARC";
179 fp->cpu_new = sparc_cpu_new;
180 fp->list_available_types = sparc_cpu_list_available_types;
181 fp->register_match = sparc_cpu_register_match;
182 /* fp->disassemble_instr = sparc_cpu_disassemble_instr; */
183 /* fp->register_dump = sparc_cpu_register_dump; */
184 /* fp->run = sparc_cpu_run; */
185 fp->dumpinfo = sparc_cpu_dumpinfo;
186 /* fp->show_full_statistics = sparc_cpu_show_full_statistics; */
187 /* fp->tlbdump = sparc_cpu_tlbdump; */
188 /* fp->interrupt = sparc_cpu_interrupt; */
189 /* fp->interrupt_ack = sparc_cpu_interrupt_ack; */
190 return 1;
191 }
192
193 #endif /* ENABLE_SPARC */

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