/[gxemul]/upstream/0.3.5/src/cpu_ia64.c
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Contents of /upstream/0.3.5/src/cpu_ia64.c

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Revision 13 - (show annotations)
Mon Oct 8 16:18:43 2007 UTC (16 years, 8 months ago) by dpavlin
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0.3.5
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_ia64.c,v 1.2 2005/08/14 11:14:38 debug Exp $
29 *
30 * IA64 CPU emulation.
31 *
32 * TODO: Everything.
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_IA64
44
45
46 #include "cpu_ia64.h"
47
48
49 /*
50 * ia64_cpu_family_init():
51 *
52 * Bogus, when ENABLE_IA64 isn't defined.
53 */
54 int ia64_cpu_family_init(struct cpu_family *fp)
55 {
56 return 0;
57 }
58
59
60 #else /* ENABLE_IA64 */
61
62
63 #include "cpu.h"
64 #include "machine.h"
65 #include "memory.h"
66 #include "symbol.h"
67
68 #include "tmp_ia64_head.c"
69
70
71 /*
72 * ia64_cpu_new():
73 *
74 * Create a new IA64 CPU object by filling the CPU struct.
75 * Return 1 on success, 0 if cpu_type_name isn't a valid IA64 processor.
76 */
77 int ia64_cpu_new(struct cpu *cpu, struct memory *mem,
78 struct machine *machine, int cpu_id, char *cpu_type_name)
79 {
80 int i;
81
82 if (strcasecmp(cpu_type_name, "IA64") != 0)
83 return 0;
84
85 cpu->memory_rw = ia64_memory_rw;
86 cpu->update_translation_table = ia64_update_translation_table;
87 cpu->invalidate_translation_caches_paddr =
88 ia64_invalidate_translation_caches_paddr;
89 cpu->invalidate_code_translation_caches =
90 ia64_invalidate_code_translation_caches;
91 cpu->is_32bit = 0;
92
93 /* Only show name and caches etc for CPU nr 0: */
94 if (cpu_id == 0) {
95 debug("%s", cpu->name);
96 }
97
98 /* Create the default virtual->physical->host translation: */
99 cpu->cd.ia64.vph_default_page = malloc(sizeof(struct ia64_vph_page));
100 if (cpu->cd.ia64.vph_default_page == NULL) {
101 fprintf(stderr, "out of memory in ia64_cpu_new()\n");
102 exit(1);
103 }
104 memset(cpu->cd.ia64.vph_default_page, 0, sizeof(struct ia64_vph_page));
105 for (i=0; i<IA64_LEVEL0; i++)
106 cpu->cd.ia64.vph_table0[i] = cpu->cd.ia64.vph_table0_kernel[i]
107 = cpu->cd.ia64.vph_default_page;
108
109 return 1;
110 }
111
112
113 /*
114 * ia64_cpu_dumpinfo():
115 */
116 void ia64_cpu_dumpinfo(struct cpu *cpu)
117 {
118 /* TODO */
119 debug("\n");
120 }
121
122
123 /*
124 * ia64_cpu_list_available_types():
125 *
126 * Print a list of available IA64 CPU types.
127 */
128 void ia64_cpu_list_available_types(void)
129 {
130 /* TODO */
131
132 debug("IA64\n");
133 }
134
135
136 /*
137 * ia64_cpu_register_match():
138 */
139 void ia64_cpu_register_match(struct machine *m, char *name,
140 int writeflag, uint64_t *valuep, int *match_register)
141 {
142 int cpunr = 0;
143
144 /* CPU number: */
145
146 /* TODO */
147
148 if (strcasecmp(name, "pc") == 0) {
149 if (writeflag) {
150 m->cpus[cpunr]->pc = *valuep;
151 } else
152 *valuep = m->cpus[cpunr]->pc;
153 *match_register = 1;
154 }
155
156 /* TODO */
157 }
158
159
160 /*
161 * ia64_cpu_register_dump():
162 *
163 * Dump cpu registers in a relatively readable format.
164 *
165 * gprs: set to non-zero to dump GPRs and some special-purpose registers.
166 * coprocs: set bit 0..3 to dump registers in coproc 0..3.
167 */
168 void ia64_cpu_register_dump(struct cpu *cpu, int gprs, int coprocs)
169 {
170 char *symbol;
171 uint64_t offset;
172 int x = cpu->cpu_id;
173
174 if (gprs) {
175 symbol = get_symbol_name(&cpu->machine->symbol_context,
176 cpu->pc, &offset);
177 debug("cpu%i:\t pc = 0x%016llx", x, (long long)cpu->pc);
178 debug(" <%s>\n", symbol != NULL? symbol : " no symbol ");
179
180 /* TODO */
181 }
182 }
183
184
185 /*
186 * ia64_cpu_show_full_statistics():
187 *
188 * Show detailed statistics on opcode usage on each cpu.
189 */
190 void ia64_cpu_show_full_statistics(struct machine *m)
191 {
192 fatal("ia64_cpu_show_full_statistics(): TODO\n");
193 }
194
195
196 /*
197 * ia64_cpu_tlbdump():
198 *
199 * Called from the debugger to dump the TLB in a readable format.
200 * x is the cpu number to dump, or -1 to dump all CPUs.
201 *
202 * If rawflag is nonzero, then the TLB contents isn't formated nicely,
203 * just dumped.
204 */
205 void ia64_cpu_tlbdump(struct machine *m, int x, int rawflag)
206 {
207 fatal("ia64_cpu_tlbdump(): TODO\n");
208 }
209
210
211 /*
212 * ia64_cpu_interrupt():
213 */
214 int ia64_cpu_interrupt(struct cpu *cpu, uint64_t irq_nr)
215 {
216 fatal("ia64_cpu_interrupt(): TODO\n");
217 return 0;
218 }
219
220
221 /*
222 * ia64_cpu_interrupt_ack():
223 */
224 int ia64_cpu_interrupt_ack(struct cpu *cpu, uint64_t irq_nr)
225 {
226 /* fatal("ia64_cpu_interrupt_ack(): TODO\n"); */
227 return 0;
228 }
229
230
231 /*
232 * ia64_cpu_disassemble_instr():
233 *
234 * Convert an instruction word into human readable format, for instruction
235 * tracing.
236 *
237 * If running is 1, cpu->pc should be the address of the instruction.
238 *
239 * If running is 0, things that depend on the runtime environment (eg.
240 * register contents) will not be shown, and addr will be used instead of
241 * cpu->pc for relative addresses.
242 */
243 int ia64_cpu_disassemble_instr(struct cpu *cpu, unsigned char *ib,
244 int running, uint64_t dumpaddr, int bintrans)
245 {
246 uint64_t offset;
247 char *symbol;
248
249 if (running)
250 dumpaddr = cpu->pc;
251
252 symbol = get_symbol_name(&cpu->machine->symbol_context,
253 dumpaddr, &offset);
254 if (symbol != NULL && offset == 0)
255 debug("<%s>\n", symbol);
256
257 if (cpu->machine->ncpus > 1 && running)
258 debug("cpu%i:\t", cpu->cpu_id);
259
260 debug("%016llx: ", (long long)dumpaddr);
261
262 debug("TODO\n");
263
264 /* iw = ib[0] + (ib[1]<<8) + (ib[2]<<16) + (ib[3]<<24); */
265
266 return 16;
267 }
268
269
270 #include "tmp_ia64_tail.c"
271
272
273 #endif /* ENABLE_IA64 */

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