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

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Revision 13 - (hide annotations)
Mon Oct 8 16:18:43 2007 UTC (16 years, 8 months ago) by dpavlin
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File size: 6491 byte(s)
0.3.5
1 dpavlin 12 /*
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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