1 |
dpavlin |
2 |
/* |
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 |
dpavlin |
14 |
* $Id: cpu.c,v 1.321 2005/10/03 01:07:40 debug Exp $ |
29 |
dpavlin |
2 |
* |
30 |
|
|
* Common routines for CPU emulation. (Not specific to any CPU type.) |
31 |
|
|
*/ |
32 |
|
|
|
33 |
|
|
#include <stdio.h> |
34 |
|
|
#include <stdlib.h> |
35 |
|
|
#include <sys/types.h> |
36 |
|
|
#include <string.h> |
37 |
|
|
|
38 |
|
|
#include "cpu.h" |
39 |
|
|
#include "machine.h" |
40 |
dpavlin |
12 |
#include "memory.h" |
41 |
dpavlin |
2 |
#include "misc.h" |
42 |
|
|
|
43 |
|
|
|
44 |
|
|
extern int quiet_mode; |
45 |
|
|
extern int show_opcode_statistics; |
46 |
|
|
|
47 |
|
|
|
48 |
|
|
static struct cpu_family *first_cpu_family = NULL; |
49 |
|
|
|
50 |
|
|
|
51 |
|
|
/* |
52 |
|
|
* cpu_new(): |
53 |
|
|
* |
54 |
|
|
* Create a new cpu object. Each family is tried in sequence until a |
55 |
|
|
* CPU family recognizes the cpu_type_name. |
56 |
|
|
*/ |
57 |
|
|
struct cpu *cpu_new(struct memory *mem, struct machine *machine, |
58 |
|
|
int cpu_id, char *name) |
59 |
|
|
{ |
60 |
dpavlin |
10 |
struct cpu *cpu; |
61 |
dpavlin |
2 |
struct cpu_family *fp; |
62 |
|
|
char *cpu_type_name; |
63 |
|
|
|
64 |
|
|
if (name == NULL) { |
65 |
|
|
fprintf(stderr, "cpu_new(): cpu name = NULL?\n"); |
66 |
|
|
exit(1); |
67 |
|
|
} |
68 |
|
|
|
69 |
|
|
cpu_type_name = strdup(name); |
70 |
|
|
if (cpu_type_name == NULL) { |
71 |
|
|
fprintf(stderr, "cpu_new(): out of memory\n"); |
72 |
|
|
exit(1); |
73 |
|
|
} |
74 |
|
|
|
75 |
dpavlin |
12 |
cpu = zeroed_alloc(sizeof(struct cpu)); |
76 |
dpavlin |
10 |
|
77 |
|
|
cpu->memory_rw = NULL; |
78 |
|
|
cpu->name = cpu_type_name; |
79 |
|
|
cpu->mem = mem; |
80 |
|
|
cpu->machine = machine; |
81 |
|
|
cpu->cpu_id = cpu_id; |
82 |
|
|
cpu->byte_order = EMUL_LITTLE_ENDIAN; |
83 |
|
|
cpu->bootstrap_cpu_flag = 0; |
84 |
|
|
cpu->running = 0; |
85 |
|
|
|
86 |
dpavlin |
12 |
cpu_create_or_reset_tc(cpu); |
87 |
|
|
|
88 |
dpavlin |
2 |
fp = first_cpu_family; |
89 |
|
|
|
90 |
|
|
while (fp != NULL) { |
91 |
|
|
if (fp->cpu_new != NULL) { |
92 |
dpavlin |
10 |
if (fp->cpu_new(cpu, mem, machine, cpu_id, |
93 |
|
|
cpu_type_name)) { |
94 |
|
|
/* Sanity check: */ |
95 |
|
|
if (cpu->memory_rw == NULL) { |
96 |
|
|
fatal("\ncpu_new(): memory_rw == " |
97 |
|
|
"NULL\n"); |
98 |
dpavlin |
2 |
exit(1); |
99 |
|
|
} |
100 |
dpavlin |
10 |
return cpu; |
101 |
dpavlin |
2 |
} |
102 |
|
|
} |
103 |
|
|
|
104 |
|
|
fp = fp->next; |
105 |
|
|
} |
106 |
|
|
|
107 |
dpavlin |
6 |
fatal("\ncpu_new(): unknown cpu type '%s'\n", cpu_type_name); |
108 |
dpavlin |
2 |
exit(1); |
109 |
|
|
} |
110 |
|
|
|
111 |
|
|
|
112 |
|
|
/* |
113 |
|
|
* cpu_show_full_statistics(): |
114 |
|
|
* |
115 |
|
|
* Show detailed statistics on opcode usage on each cpu. |
116 |
|
|
*/ |
117 |
|
|
void cpu_show_full_statistics(struct machine *m) |
118 |
|
|
{ |
119 |
|
|
if (m->cpu_family == NULL || |
120 |
|
|
m->cpu_family->show_full_statistics == NULL) |
121 |
|
|
fatal("cpu_show_full_statistics(): NULL\n"); |
122 |
|
|
else |
123 |
|
|
m->cpu_family->show_full_statistics(m); |
124 |
|
|
} |
125 |
|
|
|
126 |
|
|
|
127 |
|
|
/* |
128 |
|
|
* cpu_tlbdump(): |
129 |
|
|
* |
130 |
|
|
* Called from the debugger to dump the TLB in a readable format. |
131 |
|
|
* x is the cpu number to dump, or -1 to dump all CPUs. |
132 |
|
|
* |
133 |
|
|
* If rawflag is nonzero, then the TLB contents isn't formated nicely, |
134 |
|
|
* just dumped. |
135 |
|
|
*/ |
136 |
|
|
void cpu_tlbdump(struct machine *m, int x, int rawflag) |
137 |
|
|
{ |
138 |
|
|
if (m->cpu_family == NULL || m->cpu_family->tlbdump == NULL) |
139 |
|
|
fatal("cpu_tlbdump(): NULL\n"); |
140 |
|
|
else |
141 |
|
|
m->cpu_family->tlbdump(m, x, rawflag); |
142 |
|
|
} |
143 |
|
|
|
144 |
|
|
|
145 |
|
|
/* |
146 |
|
|
* cpu_register_match(): |
147 |
|
|
* |
148 |
|
|
* Used by the debugger. |
149 |
|
|
*/ |
150 |
|
|
void cpu_register_match(struct machine *m, char *name, |
151 |
|
|
int writeflag, uint64_t *valuep, int *match_register) |
152 |
|
|
{ |
153 |
|
|
if (m->cpu_family == NULL || m->cpu_family->register_match == NULL) |
154 |
|
|
fatal("cpu_register_match(): NULL\n"); |
155 |
|
|
else |
156 |
|
|
m->cpu_family->register_match(m, name, writeflag, |
157 |
|
|
valuep, match_register); |
158 |
|
|
} |
159 |
|
|
|
160 |
|
|
|
161 |
|
|
/* |
162 |
|
|
* cpu_disassemble_instr(): |
163 |
|
|
* |
164 |
|
|
* Convert an instruction word into human readable format, for instruction |
165 |
|
|
* tracing. |
166 |
|
|
*/ |
167 |
|
|
int cpu_disassemble_instr(struct machine *m, struct cpu *cpu, |
168 |
|
|
unsigned char *instr, int running, uint64_t addr, int bintrans) |
169 |
|
|
{ |
170 |
|
|
if (m->cpu_family == NULL || m->cpu_family->disassemble_instr == NULL) { |
171 |
|
|
fatal("cpu_disassemble_instr(): NULL\n"); |
172 |
|
|
return 0; |
173 |
|
|
} else |
174 |
|
|
return m->cpu_family->disassemble_instr(cpu, instr, |
175 |
|
|
running, addr, bintrans); |
176 |
|
|
} |
177 |
|
|
|
178 |
|
|
|
179 |
|
|
/* |
180 |
|
|
* cpu_register_dump(): |
181 |
|
|
* |
182 |
|
|
* Dump cpu registers in a relatively readable format. |
183 |
|
|
* |
184 |
|
|
* gprs: set to non-zero to dump GPRs. (CPU dependant.) |
185 |
|
|
* coprocs: set bit 0..x to dump registers in coproc 0..x. (CPU dependant.) |
186 |
|
|
*/ |
187 |
|
|
void cpu_register_dump(struct machine *m, struct cpu *cpu, |
188 |
|
|
int gprs, int coprocs) |
189 |
|
|
{ |
190 |
|
|
if (m->cpu_family == NULL || m->cpu_family->register_dump == NULL) |
191 |
|
|
fatal("cpu_register_dump(): NULL\n"); |
192 |
|
|
else |
193 |
|
|
m->cpu_family->register_dump(cpu, gprs, coprocs); |
194 |
|
|
} |
195 |
|
|
|
196 |
|
|
|
197 |
|
|
/* |
198 |
|
|
* cpu_interrupt(): |
199 |
|
|
* |
200 |
|
|
* Assert an interrupt. |
201 |
|
|
* Return value is 1 if the interrupt was asserted, 0 otherwise. |
202 |
|
|
*/ |
203 |
|
|
int cpu_interrupt(struct cpu *cpu, uint64_t irq_nr) |
204 |
|
|
{ |
205 |
|
|
if (cpu->machine->cpu_family == NULL || |
206 |
|
|
cpu->machine->cpu_family->interrupt == NULL) { |
207 |
|
|
fatal("cpu_interrupt(): NULL\n"); |
208 |
|
|
return 0; |
209 |
|
|
} else |
210 |
|
|
return cpu->machine->cpu_family->interrupt(cpu, irq_nr); |
211 |
|
|
} |
212 |
|
|
|
213 |
|
|
|
214 |
|
|
/* |
215 |
|
|
* cpu_interrupt_ack(): |
216 |
|
|
* |
217 |
|
|
* Acknowledge an interrupt. |
218 |
|
|
* Return value is 1 if the interrupt was deasserted, 0 otherwise. |
219 |
|
|
*/ |
220 |
|
|
int cpu_interrupt_ack(struct cpu *cpu, uint64_t irq_nr) |
221 |
|
|
{ |
222 |
|
|
if (cpu->machine->cpu_family == NULL || |
223 |
|
|
cpu->machine->cpu_family->interrupt_ack == NULL) { |
224 |
|
|
/* debug("cpu_interrupt_ack(): NULL\n"); */ |
225 |
|
|
return 0; |
226 |
|
|
} else |
227 |
|
|
return cpu->machine->cpu_family->interrupt_ack(cpu, irq_nr); |
228 |
|
|
} |
229 |
|
|
|
230 |
|
|
|
231 |
|
|
/* |
232 |
dpavlin |
12 |
* cpu_functioncall_trace(): |
233 |
|
|
* |
234 |
|
|
* This function should be called if machine->show_trace_tree is enabled, and |
235 |
|
|
* a function call is being made. f contains the address of the function. |
236 |
|
|
*/ |
237 |
|
|
void cpu_functioncall_trace(struct cpu *cpu, uint64_t f) |
238 |
|
|
{ |
239 |
|
|
int i, n_args = -1; |
240 |
|
|
char *symbol; |
241 |
|
|
uint64_t offset; |
242 |
|
|
|
243 |
|
|
if (cpu->machine->ncpus > 1) |
244 |
|
|
fatal("cpu%i:\t", cpu->cpu_id); |
245 |
|
|
|
246 |
|
|
cpu->trace_tree_depth ++; |
247 |
dpavlin |
14 |
if (cpu->trace_tree_depth > 100) |
248 |
|
|
cpu->trace_tree_depth = 100; |
249 |
dpavlin |
12 |
for (i=0; i<cpu->trace_tree_depth; i++) |
250 |
|
|
fatal(" "); |
251 |
|
|
|
252 |
|
|
fatal("<"); |
253 |
|
|
symbol = get_symbol_name_and_n_args(&cpu->machine->symbol_context, |
254 |
|
|
f, &offset, &n_args); |
255 |
|
|
if (symbol != NULL) |
256 |
|
|
fatal("%s", symbol); |
257 |
|
|
else { |
258 |
|
|
if (cpu->is_32bit) |
259 |
|
|
fatal("0x%08x", (int)f); |
260 |
|
|
else |
261 |
|
|
fatal("0x%llx", (long long)f); |
262 |
|
|
} |
263 |
|
|
fatal("("); |
264 |
|
|
|
265 |
|
|
if (cpu->machine->cpu_family->functioncall_trace != NULL) |
266 |
|
|
cpu->machine->cpu_family->functioncall_trace(cpu, f, n_args); |
267 |
|
|
|
268 |
|
|
fatal(")>\n"); |
269 |
|
|
} |
270 |
|
|
|
271 |
|
|
|
272 |
|
|
/* |
273 |
|
|
* cpu_functioncall_trace_return(): |
274 |
|
|
* |
275 |
|
|
* This function should be called if machine->show_trace_tree is enabled, and |
276 |
|
|
* a function is being returned from. |
277 |
|
|
* |
278 |
|
|
* TODO: Print return value? This could be implemented similar to the |
279 |
|
|
* cpu->functioncall_trace function call above. |
280 |
|
|
*/ |
281 |
|
|
void cpu_functioncall_trace_return(struct cpu *cpu) |
282 |
|
|
{ |
283 |
|
|
cpu->trace_tree_depth --; |
284 |
|
|
if (cpu->trace_tree_depth < 0) |
285 |
|
|
cpu->trace_tree_depth = 0; |
286 |
|
|
} |
287 |
|
|
|
288 |
|
|
|
289 |
|
|
/* |
290 |
|
|
* cpu_create_or_reset_tc(): |
291 |
|
|
* |
292 |
|
|
* Create the translation cache in memory (ie allocate memory for it), if |
293 |
|
|
* necessary, and then reset it to an initial state. |
294 |
|
|
*/ |
295 |
|
|
void cpu_create_or_reset_tc(struct cpu *cpu) |
296 |
|
|
{ |
297 |
|
|
if (cpu->translation_cache == NULL) |
298 |
|
|
cpu->translation_cache = zeroed_alloc(DYNTRANS_CACHE_SIZE + |
299 |
|
|
DYNTRANS_CACHE_MARGIN); |
300 |
|
|
|
301 |
|
|
/* Create an empty table at the beginning of the translation cache: */ |
302 |
|
|
memset(cpu->translation_cache, 0, sizeof(uint32_t) |
303 |
|
|
* N_BASE_TABLE_ENTRIES); |
304 |
|
|
|
305 |
|
|
cpu->translation_cache_cur_ofs = |
306 |
|
|
N_BASE_TABLE_ENTRIES * sizeof(uint32_t); |
307 |
|
|
|
308 |
|
|
/* |
309 |
|
|
* There might be other translation pointers that still point to |
310 |
|
|
* within the translation_cache region. Let's invalidate those too: |
311 |
|
|
*/ |
312 |
dpavlin |
14 |
if (cpu->invalidate_code_translation != NULL) |
313 |
|
|
cpu->invalidate_code_translation(cpu, 0, INVALIDATE_ALL); |
314 |
dpavlin |
12 |
} |
315 |
|
|
|
316 |
|
|
|
317 |
|
|
/* |
318 |
dpavlin |
2 |
* cpu_run(): |
319 |
|
|
* |
320 |
|
|
* Run instructions on all CPUs in this machine, for a "medium duration" |
321 |
|
|
* (or until all CPUs have halted). |
322 |
|
|
* |
323 |
|
|
* Return value is 1 if anything happened, 0 if all CPUs are stopped. |
324 |
|
|
*/ |
325 |
|
|
int cpu_run(struct emul *emul, struct machine *m) |
326 |
|
|
{ |
327 |
|
|
if (m->cpu_family == NULL || m->cpu_family->run == NULL) { |
328 |
|
|
fatal("cpu_run(): NULL\n"); |
329 |
|
|
return 0; |
330 |
|
|
} else |
331 |
|
|
return m->cpu_family->run(emul, m); |
332 |
|
|
} |
333 |
|
|
|
334 |
|
|
|
335 |
|
|
/* |
336 |
|
|
* cpu_dumpinfo(): |
337 |
|
|
* |
338 |
|
|
* Dumps info about a CPU using debug(). "cpu0: CPUNAME, running" (or similar) |
339 |
|
|
* is outputed, and it is up to CPU dependant code to complete the line. |
340 |
|
|
*/ |
341 |
|
|
void cpu_dumpinfo(struct machine *m, struct cpu *cpu) |
342 |
|
|
{ |
343 |
|
|
debug("cpu%i: %s, %s", cpu->cpu_id, cpu->name, |
344 |
|
|
cpu->running? "running" : "stopped"); |
345 |
|
|
|
346 |
|
|
if (m->cpu_family == NULL || m->cpu_family->dumpinfo == NULL) |
347 |
|
|
fatal("cpu_dumpinfo(): NULL\n"); |
348 |
|
|
else |
349 |
|
|
m->cpu_family->dumpinfo(cpu); |
350 |
|
|
} |
351 |
|
|
|
352 |
|
|
|
353 |
|
|
/* |
354 |
|
|
* cpu_list_available_types(): |
355 |
|
|
* |
356 |
|
|
* Print a list of available CPU types for each cpu family. |
357 |
|
|
*/ |
358 |
|
|
void cpu_list_available_types(void) |
359 |
|
|
{ |
360 |
|
|
struct cpu_family *fp; |
361 |
|
|
int iadd = 4; |
362 |
|
|
|
363 |
|
|
fp = first_cpu_family; |
364 |
|
|
|
365 |
|
|
if (fp == NULL) { |
366 |
|
|
debug("No CPUs defined!\n"); |
367 |
|
|
return; |
368 |
|
|
} |
369 |
|
|
|
370 |
|
|
while (fp != NULL) { |
371 |
|
|
debug("%s:\n", fp->name); |
372 |
|
|
debug_indentation(iadd); |
373 |
|
|
if (fp->list_available_types != NULL) |
374 |
|
|
fp->list_available_types(); |
375 |
|
|
else |
376 |
|
|
debug("(internal error: list_available_types" |
377 |
|
|
" = NULL)\n"); |
378 |
|
|
debug_indentation(-iadd); |
379 |
|
|
|
380 |
|
|
fp = fp->next; |
381 |
|
|
} |
382 |
|
|
} |
383 |
|
|
|
384 |
|
|
|
385 |
|
|
/* |
386 |
|
|
* cpu_run_deinit(): |
387 |
|
|
* |
388 |
|
|
* Shuts down all CPUs in a machine when ending a simulation. (This function |
389 |
|
|
* should only need to be called once for each machine.) |
390 |
|
|
*/ |
391 |
dpavlin |
12 |
void cpu_run_deinit(struct machine *machine) |
392 |
dpavlin |
2 |
{ |
393 |
|
|
int te; |
394 |
|
|
|
395 |
|
|
/* |
396 |
|
|
* Two last ticks of every hardware device. This will allow |
397 |
|
|
* framebuffers to draw the last updates to the screen before |
398 |
|
|
* halting. |
399 |
|
|
*/ |
400 |
|
|
for (te=0; te<machine->n_tick_entries; te++) { |
401 |
|
|
machine->tick_func[te](machine->cpus[0], |
402 |
|
|
machine->tick_extra[te]); |
403 |
|
|
machine->tick_func[te](machine->cpus[0], |
404 |
|
|
machine->tick_extra[te]); |
405 |
|
|
} |
406 |
|
|
|
407 |
|
|
debug("cpu_run_deinit(): All CPUs halted.\n"); |
408 |
|
|
|
409 |
|
|
if (machine->show_nr_of_instructions || !quiet_mode) |
410 |
dpavlin |
10 |
cpu_show_cycles(machine, 1); |
411 |
dpavlin |
2 |
|
412 |
|
|
if (show_opcode_statistics) |
413 |
|
|
cpu_show_full_statistics(machine); |
414 |
|
|
|
415 |
|
|
fflush(stdout); |
416 |
|
|
} |
417 |
|
|
|
418 |
|
|
|
419 |
|
|
/* |
420 |
|
|
* cpu_show_cycles(): |
421 |
|
|
* |
422 |
|
|
* If automatic adjustment of clock interrupts is turned on, then recalculate |
423 |
|
|
* emulated_hz. Also, if show_nr_of_instructions is on, then print a |
424 |
|
|
* line to stdout about how many instructions/cycles have been executed so |
425 |
|
|
* far. |
426 |
|
|
*/ |
427 |
dpavlin |
10 |
void cpu_show_cycles(struct machine *machine, int forced) |
428 |
dpavlin |
2 |
{ |
429 |
|
|
uint64_t offset, pc; |
430 |
|
|
char *symbol; |
431 |
dpavlin |
12 |
int64_t mseconds, ninstrs, is, avg; |
432 |
dpavlin |
2 |
struct timeval tv; |
433 |
dpavlin |
12 |
int h, m, s, ms, d, instrs_per_cycle = 1; |
434 |
dpavlin |
2 |
|
435 |
|
|
static int64_t mseconds_last = 0; |
436 |
|
|
static int64_t ninstrs_last = -1; |
437 |
|
|
|
438 |
dpavlin |
10 |
switch (machine->arch) { |
439 |
|
|
case ARCH_MIPS: |
440 |
|
|
instrs_per_cycle = machine->cpus[machine->bootstrap_cpu]-> |
441 |
|
|
cd.mips.cpu_type.instrs_per_cycle; |
442 |
|
|
break; |
443 |
dpavlin |
2 |
} |
444 |
|
|
|
445 |
|
|
pc = machine->cpus[machine->bootstrap_cpu]->pc; |
446 |
|
|
|
447 |
|
|
gettimeofday(&tv, NULL); |
448 |
dpavlin |
10 |
mseconds = (tv.tv_sec - machine->starttime.tv_sec) * 1000 |
449 |
|
|
+ (tv.tv_usec - machine->starttime.tv_usec) / 1000; |
450 |
dpavlin |
2 |
|
451 |
|
|
if (mseconds == 0) |
452 |
|
|
mseconds = 1; |
453 |
|
|
|
454 |
|
|
if (mseconds - mseconds_last == 0) |
455 |
|
|
mseconds ++; |
456 |
|
|
|
457 |
dpavlin |
10 |
ninstrs = machine->ncycles_since_gettimeofday * instrs_per_cycle; |
458 |
dpavlin |
2 |
|
459 |
|
|
if (machine->automatic_clock_adjustment) { |
460 |
|
|
static int first_adjustment = 1; |
461 |
|
|
|
462 |
|
|
/* Current nr of cycles per second: */ |
463 |
|
|
int64_t cur_cycles_per_second = 1000 * |
464 |
|
|
(ninstrs-ninstrs_last) / (mseconds-mseconds_last) |
465 |
|
|
/ instrs_per_cycle; |
466 |
|
|
|
467 |
|
|
if (cur_cycles_per_second < 1000000) |
468 |
|
|
cur_cycles_per_second = 1000000; |
469 |
|
|
|
470 |
|
|
if (first_adjustment) { |
471 |
|
|
machine->emulated_hz = cur_cycles_per_second; |
472 |
|
|
first_adjustment = 0; |
473 |
|
|
} else { |
474 |
|
|
machine->emulated_hz = (15 * machine->emulated_hz + |
475 |
|
|
cur_cycles_per_second) / 16; |
476 |
|
|
} |
477 |
|
|
|
478 |
dpavlin |
12 |
/* debug("[ updating emulated_hz to %lli Hz ]\n", |
479 |
|
|
(long long)machine->emulated_hz); */ |
480 |
dpavlin |
2 |
} |
481 |
|
|
|
482 |
|
|
|
483 |
|
|
/* RETURN here, unless show_nr_of_instructions (-N) is turned on: */ |
484 |
|
|
if (!machine->show_nr_of_instructions && !forced) |
485 |
|
|
goto do_return; |
486 |
|
|
|
487 |
dpavlin |
10 |
printf("[ %lli instrs", |
488 |
|
|
(long long)(machine->ncycles * instrs_per_cycle)); |
489 |
dpavlin |
2 |
|
490 |
|
|
if (!machine->automatic_clock_adjustment) { |
491 |
|
|
d = machine->emulated_hz / 1000; |
492 |
|
|
if (d < 1) |
493 |
|
|
d = 1; |
494 |
dpavlin |
10 |
ms = machine->ncycles / d; |
495 |
dpavlin |
2 |
h = ms / 3600000; |
496 |
|
|
ms -= 3600000 * h; |
497 |
|
|
m = ms / 60000; |
498 |
|
|
ms -= 60000 * m; |
499 |
|
|
s = ms / 1000; |
500 |
|
|
ms -= 1000 * s; |
501 |
|
|
|
502 |
|
|
printf("emulated time = %02i:%02i:%02i.%03i; ", h, m, s, ms); |
503 |
|
|
} |
504 |
|
|
|
505 |
|
|
/* Instructions per second, and average so far: */ |
506 |
dpavlin |
12 |
is = 1000 * (ninstrs-ninstrs_last) / (mseconds-mseconds_last); |
507 |
|
|
avg = (long long)1000 * ninstrs / mseconds; |
508 |
|
|
if (is < 0) |
509 |
|
|
is = 0; |
510 |
|
|
if (avg < 0) |
511 |
|
|
avg = 0; |
512 |
|
|
printf("; i/s=%lli avg=%lli", (long long)is, (long long)avg); |
513 |
dpavlin |
2 |
|
514 |
|
|
symbol = get_symbol_name(&machine->symbol_context, pc, &offset); |
515 |
|
|
|
516 |
dpavlin |
12 |
if (machine->ncpus == 1) { |
517 |
|
|
if (machine->cpus[machine->bootstrap_cpu]->is_32bit) |
518 |
|
|
printf("; pc=0x%08x", (int)pc); |
519 |
|
|
else |
520 |
|
|
printf("; pc=0x%016llx", (long long)pc); |
521 |
|
|
} |
522 |
dpavlin |
2 |
|
523 |
dpavlin |
10 |
if (symbol != NULL) |
524 |
|
|
printf(" <%s>", symbol); |
525 |
|
|
printf(" ]\n"); |
526 |
dpavlin |
2 |
|
527 |
|
|
do_return: |
528 |
|
|
ninstrs_last = ninstrs; |
529 |
|
|
mseconds_last = mseconds; |
530 |
|
|
} |
531 |
|
|
|
532 |
|
|
|
533 |
|
|
/* |
534 |
|
|
* cpu_run_init(): |
535 |
|
|
* |
536 |
|
|
* Prepare to run instructions on all CPUs in this machine. (This function |
537 |
|
|
* should only need to be called once for each machine.) |
538 |
|
|
*/ |
539 |
dpavlin |
12 |
void cpu_run_init(struct machine *machine) |
540 |
dpavlin |
2 |
{ |
541 |
|
|
int ncpus = machine->ncpus; |
542 |
|
|
int te; |
543 |
|
|
|
544 |
|
|
machine->a_few_cycles = 1048576; |
545 |
|
|
machine->ncycles_flush = 0; |
546 |
|
|
machine->ncycles = 0; |
547 |
|
|
machine->ncycles_show = 0; |
548 |
|
|
|
549 |
|
|
/* |
550 |
|
|
* Instead of doing { one cycle, check hardware ticks }, we |
551 |
|
|
* can do { n cycles, check hardware ticks }, as long as |
552 |
|
|
* n is at most as much as the lowest number of cycles/tick |
553 |
|
|
* for any hardware device. |
554 |
|
|
*/ |
555 |
|
|
for (te=0; te<machine->n_tick_entries; te++) { |
556 |
|
|
if (machine->ticks_reset_value[te] < machine->a_few_cycles) |
557 |
|
|
machine->a_few_cycles = machine->ticks_reset_value[te]; |
558 |
|
|
} |
559 |
|
|
|
560 |
|
|
machine->a_few_cycles >>= 1; |
561 |
|
|
if (machine->a_few_cycles < 1) |
562 |
|
|
machine->a_few_cycles = 1; |
563 |
|
|
|
564 |
|
|
if (ncpus > 1 && machine->max_random_cycles_per_chunk == 0) |
565 |
|
|
machine->a_few_cycles = 1; |
566 |
|
|
|
567 |
|
|
/* debug("cpu_run_init(): a_few_cycles = %i\n", |
568 |
|
|
machine->a_few_cycles); */ |
569 |
|
|
|
570 |
|
|
/* For performance measurement: */ |
571 |
|
|
gettimeofday(&machine->starttime, NULL); |
572 |
dpavlin |
10 |
machine->ncycles_since_gettimeofday = 0; |
573 |
dpavlin |
2 |
} |
574 |
|
|
|
575 |
|
|
|
576 |
|
|
/* |
577 |
|
|
* add_cpu_family(): |
578 |
|
|
* |
579 |
|
|
* Allocates a cpu_family struct and calls an init function for the |
580 |
|
|
* family to fill in reasonable data and pointers. |
581 |
|
|
*/ |
582 |
|
|
static void add_cpu_family(int (*family_init)(struct cpu_family *), int arch) |
583 |
|
|
{ |
584 |
|
|
struct cpu_family *fp, *tmp; |
585 |
|
|
int res; |
586 |
|
|
|
587 |
|
|
fp = malloc(sizeof(struct cpu_family)); |
588 |
|
|
if (fp == NULL) { |
589 |
|
|
fprintf(stderr, "add_cpu_family(): out of memory\n"); |
590 |
|
|
exit(1); |
591 |
|
|
} |
592 |
|
|
memset(fp, 0, sizeof(struct cpu_family)); |
593 |
|
|
|
594 |
|
|
/* |
595 |
|
|
* family_init() returns 1 if the struct has been filled with |
596 |
|
|
* valid data, 0 if suppor for the cpu family isn't compiled |
597 |
|
|
* into the emulator. |
598 |
|
|
*/ |
599 |
|
|
res = family_init(fp); |
600 |
|
|
if (!res) { |
601 |
|
|
free(fp); |
602 |
|
|
return; |
603 |
|
|
} |
604 |
|
|
fp->arch = arch; |
605 |
|
|
fp->next = NULL; |
606 |
|
|
|
607 |
|
|
/* Add last in family chain: */ |
608 |
|
|
tmp = first_cpu_family; |
609 |
|
|
if (tmp == NULL) { |
610 |
|
|
first_cpu_family = fp; |
611 |
|
|
} else { |
612 |
|
|
while (tmp->next != NULL) |
613 |
|
|
tmp = tmp->next; |
614 |
|
|
tmp->next = fp; |
615 |
|
|
} |
616 |
|
|
} |
617 |
|
|
|
618 |
|
|
|
619 |
|
|
/* |
620 |
|
|
* cpu_family_ptr_by_number(): |
621 |
|
|
* |
622 |
|
|
* Returns a pointer to a CPU family based on the ARCH_* integers. |
623 |
|
|
*/ |
624 |
|
|
struct cpu_family *cpu_family_ptr_by_number(int arch) |
625 |
|
|
{ |
626 |
|
|
struct cpu_family *fp; |
627 |
|
|
fp = first_cpu_family; |
628 |
|
|
|
629 |
|
|
/* YUCK! This is too hardcoded! TODO */ |
630 |
|
|
|
631 |
|
|
while (fp != NULL) { |
632 |
|
|
if (arch == fp->arch) |
633 |
|
|
return fp; |
634 |
|
|
fp = fp->next; |
635 |
|
|
} |
636 |
|
|
|
637 |
|
|
return NULL; |
638 |
|
|
} |
639 |
|
|
|
640 |
|
|
|
641 |
|
|
/* |
642 |
|
|
* cpu_init(): |
643 |
|
|
* |
644 |
|
|
* Should be called before any other cpu_*() function. |
645 |
|
|
*/ |
646 |
|
|
void cpu_init(void) |
647 |
|
|
{ |
648 |
|
|
/* Note: These are registered in alphabetic order. */ |
649 |
dpavlin |
12 |
|
650 |
|
|
#ifdef ENABLE_ALPHA |
651 |
|
|
add_cpu_family(alpha_cpu_family_init, ARCH_ALPHA); |
652 |
|
|
#endif |
653 |
|
|
|
654 |
|
|
#ifdef ENABLE_ARM |
655 |
dpavlin |
6 |
add_cpu_family(arm_cpu_family_init, ARCH_ARM); |
656 |
dpavlin |
12 |
#endif |
657 |
|
|
|
658 |
dpavlin |
14 |
#ifdef ENABLE_AVR |
659 |
|
|
add_cpu_family(avr_cpu_family_init, ARCH_AVR); |
660 |
|
|
#endif |
661 |
|
|
|
662 |
|
|
#ifdef ENABLE_HPPA |
663 |
|
|
add_cpu_family(hppa_cpu_family_init, ARCH_HPPA); |
664 |
|
|
#endif |
665 |
|
|
|
666 |
|
|
#ifdef ENABLE_I960 |
667 |
|
|
add_cpu_family(i960_cpu_family_init, ARCH_I960); |
668 |
|
|
#endif |
669 |
|
|
|
670 |
dpavlin |
12 |
#ifdef ENABLE_IA64 |
671 |
|
|
add_cpu_family(ia64_cpu_family_init, ARCH_IA64); |
672 |
|
|
#endif |
673 |
|
|
|
674 |
|
|
#ifdef ENABLE_M68K |
675 |
|
|
add_cpu_family(m68k_cpu_family_init, ARCH_M68K); |
676 |
|
|
#endif |
677 |
|
|
|
678 |
|
|
#ifdef ENABLE_MIPS |
679 |
dpavlin |
2 |
add_cpu_family(mips_cpu_family_init, ARCH_MIPS); |
680 |
dpavlin |
12 |
#endif |
681 |
|
|
|
682 |
|
|
#ifdef ENABLE_PPC |
683 |
dpavlin |
2 |
add_cpu_family(ppc_cpu_family_init, ARCH_PPC); |
684 |
dpavlin |
12 |
#endif |
685 |
|
|
|
686 |
dpavlin |
14 |
#ifdef ENABLE_SH |
687 |
|
|
add_cpu_family(sh_cpu_family_init, ARCH_SH); |
688 |
|
|
#endif |
689 |
|
|
|
690 |
dpavlin |
12 |
#ifdef ENABLE_SPARC |
691 |
|
|
add_cpu_family(sparc_cpu_family_init, ARCH_SPARC); |
692 |
|
|
#endif |
693 |
|
|
|
694 |
|
|
#ifdef ENABLE_X86 |
695 |
dpavlin |
4 |
add_cpu_family(x86_cpu_family_init, ARCH_X86); |
696 |
dpavlin |
12 |
#endif |
697 |
dpavlin |
2 |
} |
698 |
|
|
|