7139f3c8 |
1 | // pending_exception? |
822b27d1 |
2 | // swi 0 in do_unalignedwritestub? |
f95a77f7 |
3 | #include <stdio.h> |
4 | |
5 | #include "emu_if.h" |
7139f3c8 |
6 | #include "../psxmem.h" |
7 | #include "../psxhle.h" |
8 | |
ae602c19 |
9 | #define ARRAY_SIZE(x) (sizeof(x) / sizeof(x[0])) |
10 | |
7139f3c8 |
11 | //#define memprintf printf |
12 | #define memprintf(...) |
13 | //#define evprintf printf |
14 | #define evprintf(...) |
15 | |
f95a77f7 |
16 | char invalid_code[0x100000]; |
28bc5688 |
17 | u32 event_cycles[7]; |
f95a77f7 |
18 | |
654e8cfb |
19 | static void schedule_timeslice(void) |
f95a77f7 |
20 | { |
654e8cfb |
21 | u32 i, c = psxRegs.cycle; |
22 | s32 min, dif; |
23 | |
24 | min = psxNextsCounter + psxNextCounter - c; |
25 | for (i = 0; i < ARRAY_SIZE(event_cycles); i++) { |
26 | dif = event_cycles[i] - c; |
27 | //evprintf(" ev %d\n", dif); |
28 | if (0 < dif && dif < min) |
29 | min = dif; |
30 | } |
31 | next_interupt = c + min; |
32 | |
33 | #if 0 |
34 | static u32 cnt, last_cycle; |
35 | static u64 sum; |
36 | if (last_cycle) { |
37 | cnt++; |
38 | sum += psxRegs.cycle - last_cycle; |
39 | if ((cnt & 0xff) == 0) |
40 | printf("%u\n", (u32)(sum / cnt)); |
41 | } |
42 | last_cycle = psxRegs.cycle; |
43 | #endif |
44 | } |
ae602c19 |
45 | |
654e8cfb |
46 | void gen_interupt() |
47 | { |
654e8cfb |
48 | evprintf(" +ge %08x, %u->%u\n", psxRegs.pc, psxRegs.cycle, next_interupt); |
7139f3c8 |
49 | #ifdef DRC_DBG |
50 | psxRegs.cycle += 2; |
7139f3c8 |
51 | #endif |
52 | |
53 | psxBranchTest(); |
54 | |
654e8cfb |
55 | schedule_timeslice(); |
ae602c19 |
56 | |
654e8cfb |
57 | evprintf(" -ge %08x, %u->%u (%d)\n", psxRegs.pc, psxRegs.cycle, |
58 | next_interupt, next_interupt - psxRegs.cycle); |
7139f3c8 |
59 | |
60 | pending_exception = 1; /* FIXME */ |
f95a77f7 |
61 | } |
62 | |
28bc5688 |
63 | void MTC0_() |
64 | { |
65 | extern void psxMTC0(); |
66 | |
67 | evprintf("ari64 MTC0 %08x %08x %u\n", psxRegs.code, psxRegs.pc, psxRegs.cycle); |
68 | psxMTC0(); |
69 | gen_interupt(); /* FIXME: checking pending irqs should be enough */ |
70 | } |
71 | |
f95a77f7 |
72 | void check_interupt() |
73 | { |
7139f3c8 |
74 | printf("ari64_check_interupt\n"); |
f95a77f7 |
75 | } |
76 | |
77 | void read_nomem_new() |
78 | { |
7139f3c8 |
79 | printf("ari64_read_nomem_new\n"); |
80 | } |
81 | |
82 | static void read_mem8() |
83 | { |
28bc5688 |
84 | memprintf("ari64_read_mem8 %08x @%08x %u\n", address, psxRegs.pc, psxRegs.cycle); |
7139f3c8 |
85 | readmem_word = psxMemRead8(address) & 0xff; |
86 | } |
87 | |
88 | static void read_mem16() |
89 | { |
28bc5688 |
90 | memprintf("ari64_read_mem16 %08x @%08x %u\n", address, psxRegs.pc, psxRegs.cycle); |
7139f3c8 |
91 | readmem_word = psxMemRead16(address) & 0xffff; |
92 | } |
93 | |
94 | static void read_mem32() |
95 | { |
28bc5688 |
96 | memprintf("ari64_read_mem32 %08x @%08x %u\n", address, psxRegs.pc, psxRegs.cycle); |
7139f3c8 |
97 | readmem_word = psxMemRead32(address); |
98 | } |
99 | |
100 | static void write_mem8() |
101 | { |
28bc5688 |
102 | memprintf("ari64_write_mem8 %08x, %02x @%08x %u\n", address, byte, psxRegs.pc, psxRegs.cycle); |
7139f3c8 |
103 | psxMemWrite8(address, byte); |
f95a77f7 |
104 | } |
105 | |
7139f3c8 |
106 | static void write_mem16() |
f95a77f7 |
107 | { |
28bc5688 |
108 | memprintf("ari64_write_mem16 %08x, %04x @%08x %u\n", address, hword, psxRegs.pc, psxRegs.cycle); |
7139f3c8 |
109 | psxMemWrite16(address, hword); |
f95a77f7 |
110 | } |
111 | |
7139f3c8 |
112 | static void write_mem32() |
f95a77f7 |
113 | { |
28bc5688 |
114 | memprintf("ari64_write_mem32 %08x, %08x @%08x %u\n", address, word, psxRegs.pc, psxRegs.cycle); |
7139f3c8 |
115 | psxMemWrite32(address, word); |
f95a77f7 |
116 | } |
117 | |
118 | void (*readmem[0x10000])(); |
119 | void (*readmemb[0x10000])(); |
120 | void (*readmemh[0x10000])(); |
121 | void (*writemem[0x10000])(); |
122 | void (*writememb[0x10000])(); |
123 | void (*writememh[0x10000])(); |
124 | |
b9b61529 |
125 | void *gte_handlers[64]; |
126 | |
127 | /* from gte.txt.. not sure if this is any good. */ |
128 | const char gte_cycletab[64] = { |
129 | /* 1 2 3 4 5 6 7 8 9 a b c d e f */ |
130 | 0, 15, 0, 0, 0, 0, 8, 0, 0, 0, 0, 0, 6, 0, 0, 0, |
131 | 8, 8, 8, 19, 13, 0, 44, 0, 0, 0, 0, 17, 11, 0, 14, 0, |
132 | 30, 0, 0, 0, 0, 0, 0, 0, 5, 8, 17, 0, 0, 5, 6, 0, |
133 | 23, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 5, 5, 39, |
134 | }; |
f95a77f7 |
135 | |
136 | static int ari64_init() |
137 | { |
b9b61529 |
138 | extern void (*psxCP2[64])(); |
139 | extern void psxNULL(); |
f95a77f7 |
140 | size_t i; |
b9b61529 |
141 | |
f95a77f7 |
142 | new_dynarec_init(); |
143 | |
ae602c19 |
144 | for (i = 0; i < ARRAY_SIZE(readmem); i++) { |
7139f3c8 |
145 | readmemb[i] = read_mem8; |
146 | readmemh[i] = read_mem16; |
147 | readmem[i] = read_mem32; |
148 | writememb[i] = write_mem8; |
149 | writememh[i] = write_mem16; |
150 | writemem[i] = write_mem32; |
f95a77f7 |
151 | } |
7139f3c8 |
152 | |
ae602c19 |
153 | for (i = 0; i < ARRAY_SIZE(gte_handlers); i++) |
b9b61529 |
154 | if (psxCP2[i] != psxNULL) |
155 | gte_handlers[i] = psxCP2[i]; |
156 | |
b9b61529 |
157 | return 0; |
f95a77f7 |
158 | } |
159 | |
160 | static void ari64_reset() |
161 | { |
f95a77f7 |
162 | printf("ari64_reset\n"); |
4b421010 |
163 | invalidate_all_pages(); |
164 | pending_exception = 1; |
f95a77f7 |
165 | } |
166 | |
167 | static void ari64_execute() |
168 | { |
654e8cfb |
169 | schedule_timeslice(); |
170 | |
171 | evprintf("ari64_execute %08x, %u->%u (%d)\n", psxRegs.pc, |
172 | psxRegs.cycle, next_interupt, next_interupt - psxRegs.cycle); |
7139f3c8 |
173 | |
b9b61529 |
174 | new_dyna_start(); |
654e8cfb |
175 | |
176 | evprintf("ari64_execute end %08x, %u->%u (%d)\n", psxRegs.pc, |
177 | psxRegs.cycle, next_interupt, next_interupt - psxRegs.cycle); |
f95a77f7 |
178 | } |
179 | |
4b421010 |
180 | static void ari64_clear(u32 addr, u32 size) |
f95a77f7 |
181 | { |
4b421010 |
182 | u32 start, end; |
183 | |
184 | evprintf("ari64_clear %08x %04x\n", addr, size); |
185 | |
186 | /* check for RAM mirrors */ |
187 | if ((start & ~0xe0000000) < 0x200000) { |
188 | start &= ~0xe0000000; |
189 | start |= 0x80000000; |
190 | } |
191 | |
192 | start = addr >> 12; |
193 | end = (addr + size) >> 12; |
194 | |
195 | for (; start <= end; start++) |
196 | if (!invalid_code[start]) |
197 | invalidate_block(start); |
f95a77f7 |
198 | } |
199 | |
200 | static void ari64_shutdown() |
201 | { |
202 | new_dynarec_cleanup(); |
203 | } |
204 | |
7139f3c8 |
205 | extern void intExecute(); |
206 | extern void intExecuteT(); |
207 | extern void intExecuteBlock(); |
208 | extern void intExecuteBlockT(); |
209 | #ifndef DRC_DBG |
210 | #define intExecuteT intExecute |
211 | #define intExecuteBlockT intExecuteBlock |
212 | #endif |
213 | |
f95a77f7 |
214 | R3000Acpu psxRec = { |
215 | ari64_init, |
216 | ari64_reset, |
7139f3c8 |
217 | #if 1 |
f95a77f7 |
218 | ari64_execute, |
7139f3c8 |
219 | ari64_execute, |
220 | #else |
221 | intExecuteT, |
222 | intExecuteBlockT, |
223 | #endif |
f95a77f7 |
224 | ari64_clear, |
225 | ari64_shutdown |
226 | }; |
7139f3c8 |
227 | |
228 | // TODO: rm |
229 | #ifndef DRC_DBG |
230 | void do_insn_trace() {} |
231 | void do_insn_cmp() {} |
232 | #endif |
233 | |
234 | #if defined(__x86_64__) || defined(__i386__) |
235 | unsigned int address, readmem_word, word; |
236 | unsigned short hword; |
237 | unsigned char byte; |
ccf51908 |
238 | int pending_exception, stop; |
7139f3c8 |
239 | unsigned int next_interupt; |
7139f3c8 |
240 | void new_dynarec_init() {} |
3eb78778 |
241 | void new_dyna_start() {} |
7139f3c8 |
242 | void new_dynarec_cleanup() {} |
ccf51908 |
243 | void invalidate_all_pages() {} |
244 | void invalidate_block(unsigned int block) {} |
7139f3c8 |
245 | #endif |
246 | |
247 | #ifdef DRC_DBG |
248 | |
249 | #include <stddef.h> |
250 | static FILE *f; |
251 | extern u32 last_io_addr; |
252 | |
253 | static void dump_mem(const char *fname, void *mem, size_t size) |
254 | { |
255 | FILE *f1 = fopen(fname, "wb"); |
3eb78778 |
256 | if (f1 == NULL) |
257 | f1 = fopen(strrchr(fname, '/') + 1, "wb"); |
7139f3c8 |
258 | fwrite(mem, 1, size, f1); |
259 | fclose(f1); |
260 | } |
261 | |
262 | void do_insn_trace(void) |
263 | { |
264 | static psxRegisters oldregs; |
265 | static u32 old_io_addr = (u32)-1; |
266 | static u32 old_io_data = 0xbad0c0de; |
267 | u32 *allregs_p = (void *)&psxRegs; |
268 | u32 *allregs_o = (void *)&oldregs; |
269 | u32 *io_data; |
270 | int i; |
271 | u8 byte; |
272 | |
273 | //last_io_addr = 0x5e2c8; |
274 | if (f == NULL) |
275 | f = fopen("tracelog", "wb"); |
276 | |
277 | oldregs.code = psxRegs.code; // don't care |
278 | for (i = 0; i < offsetof(psxRegisters, intCycle) / 4; i++) { |
279 | if (allregs_p[i] != allregs_o[i]) { |
280 | fwrite(&i, 1, 1, f); |
281 | fwrite(&allregs_p[i], 1, 4, f); |
282 | allregs_o[i] = allregs_p[i]; |
283 | } |
284 | } |
285 | if (old_io_addr != last_io_addr) { |
286 | byte = 0xfd; |
287 | fwrite(&byte, 1, 1, f); |
288 | fwrite(&last_io_addr, 1, 4, f); |
289 | old_io_addr = last_io_addr; |
290 | } |
291 | io_data = (void *)(psxM + (last_io_addr&0x1ffffc)); |
292 | if (old_io_data != *io_data) { |
293 | byte = 0xfe; |
294 | fwrite(&byte, 1, 1, f); |
295 | fwrite(io_data, 1, 4, f); |
296 | old_io_data = *io_data; |
297 | } |
298 | byte = 0xff; |
299 | fwrite(&byte, 1, 1, f); |
300 | |
301 | #if 0 |
302 | if (psxRegs.cycle == 190230) { |
303 | dump_mem("/mnt/ntz/dev/pnd/tmp/psxram_i.dump", psxM, 0x200000); |
304 | dump_mem("/mnt/ntz/dev/pnd/tmp/psxregs_i.dump", psxH, 0x10000); |
305 | printf("dumped\n"); |
306 | exit(1); |
307 | } |
308 | #endif |
309 | } |
310 | |
311 | static const char *regnames[offsetof(psxRegisters, intCycle) / 4] = { |
312 | "r0", "r1", "r2", "r3", "r4", "r5", "r6", "r7", |
313 | "r8", "r9", "r10", "r11", "r12", "r13", "r14", "r15", |
314 | "r16", "r17", "r18", "r19", "r20", "r21", "r22", "r23", |
315 | "r24", "r25", "r26", "r27", "r28", "r29", "r30", "r31", |
316 | "lo", "hi", |
317 | "C0_0", "C0_1", "C0_2", "C0_3", "C0_4", "C0_5", "C0_6", "C0_7", |
318 | "C0_8", "C0_9", "C0_10", "C0_11", "C0_12", "C0_13", "C0_14", "C0_15", |
319 | "C0_16", "C0_17", "C0_18", "C0_19", "C0_20", "C0_21", "C0_22", "C0_23", |
320 | "C0_24", "C0_25", "C0_26", "C0_27", "C0_28", "C0_29", "C0_30", "C0_31", |
321 | |
322 | "C2D0", "C2D1", "C2D2", "C2D3", "C2D4", "C2D5", "C2D6", "C2D7", |
323 | "C2D8", "C2D9", "C2D10", "C2D11", "C2D12", "C2D13", "C2D14", "C2D15", |
324 | "C2D16", "C2D17", "C2D18", "C2D19", "C2D20", "C2D21", "C2D22", "C2D23", |
325 | "C2D24", "C2D25", "C2D26", "C2D27", "C2D28", "C2D29", "C2D30", "C2D31", |
326 | |
327 | "C2C0", "C2C1", "C2C2", "C2C3", "C2C4", "C2C5", "C2C6", "C2C7", |
328 | "C2C8", "C2C9", "C2C10", "C2C11", "C2C12", "C2C13", "C2C14", "C2C15", |
329 | "C2C16", "C2C17", "C2C18", "C2C19", "C2C20", "C2C21", "C2C22", "C2C23", |
330 | "C2C24", "C2C25", "C2C26", "C2C27", "C2C28", "C2C29", "C2C30", "C2C31", |
331 | |
332 | "PC", "code", "cycle", "interrupt", |
333 | }; |
334 | |
3eb78778 |
335 | static struct { |
336 | int reg; |
337 | u32 val, val_expect; |
338 | u32 pc, cycle; |
339 | } miss_log[64]; |
340 | static int miss_log_i; |
341 | #define miss_log_len (sizeof(miss_log)/sizeof(miss_log[0])) |
342 | #define miss_log_mask (miss_log_len-1) |
343 | |
344 | static void miss_log_add(int reg, u32 val, u32 val_expect, u32 pc, u32 cycle) |
345 | { |
346 | miss_log[miss_log_i].reg = reg; |
347 | miss_log[miss_log_i].val = val; |
348 | miss_log[miss_log_i].val_expect = val_expect; |
349 | miss_log[miss_log_i].pc = pc; |
350 | miss_log[miss_log_i].cycle = cycle; |
351 | miss_log_i = (miss_log_i + 1) & miss_log_mask; |
352 | } |
353 | |
7139f3c8 |
354 | void breakme() {} |
355 | |
356 | void do_insn_cmp(void) |
357 | { |
358 | static psxRegisters rregs; |
359 | static u32 mem_addr, mem_val; |
360 | u32 *allregs_p = (void *)&psxRegs; |
361 | u32 *allregs_e = (void *)&rregs; |
362 | static u32 ppc, failcount; |
363 | int i, ret, bad = 0; |
364 | u8 code; |
365 | |
366 | if (f == NULL) |
367 | f = fopen("tracelog", "rb"); |
368 | |
369 | while (1) { |
370 | if ((ret = fread(&code, 1, 1, f)) <= 0) |
371 | break; |
372 | if (ret <= 0) |
373 | break; |
374 | if (code == 0xff) |
375 | break; |
376 | if (code == 0xfd) { |
377 | if ((ret = fread(&mem_addr, 1, 4, f)) <= 0) |
378 | break; |
379 | continue; |
380 | } |
381 | if (code == 0xfe) { |
382 | if ((ret = fread(&mem_val, 1, 4, f)) <= 0) |
383 | break; |
384 | continue; |
385 | } |
386 | if ((ret = fread(&allregs_e[code], 1, 4, f)) <= 0) |
387 | break; |
388 | } |
389 | |
390 | if (ret <= 0) { |
391 | printf("EOF?\n"); |
392 | goto end; |
393 | } |
394 | |
395 | psxRegs.code = rregs.code; // don't care |
396 | psxRegs.cycle = rregs.cycle; |
397 | psxRegs.CP0.r[9] = rregs.CP0.r[9]; // Count |
398 | |
399 | //if (psxRegs.cycle == 166172) breakme(); |
400 | //if (psxRegs.cycle > 11296376) printf("pc=%08x %u %08x\n", psxRegs.pc, psxRegs.cycle, psxRegs.interrupt); |
401 | |
402 | mem_addr &= 0x1ffffc; |
403 | |
404 | if (memcmp(&psxRegs, &rregs, offsetof(psxRegisters, intCycle)) == 0 && |
405 | mem_val == *(u32 *)(psxM + mem_addr) |
406 | ) { |
407 | failcount = 0; |
408 | goto ok; |
409 | } |
410 | |
411 | for (i = 0; i < offsetof(psxRegisters, intCycle) / 4; i++) { |
412 | if (allregs_p[i] != allregs_e[i]) { |
3eb78778 |
413 | miss_log_add(i, allregs_p[i], allregs_e[i], psxRegs.pc, psxRegs.cycle); |
7139f3c8 |
414 | bad++; |
415 | } |
416 | } |
417 | |
418 | if (mem_val != *(u32 *)(psxM + mem_addr)) { |
419 | printf("bad mem @%08x: %08x %08x\n", mem_addr, *(u32 *)(psxM + mem_addr), mem_val); |
420 | goto end; |
421 | } |
422 | |
423 | if (psxRegs.pc == rregs.pc && bad < 6 && failcount < 32) { |
3eb78778 |
424 | static int last_mcycle; |
425 | if (last_mcycle != psxRegs.cycle >> 20) { |
426 | printf("%u\n", psxRegs.cycle); |
427 | last_mcycle = psxRegs.cycle >> 20; |
428 | } |
7139f3c8 |
429 | failcount++; |
430 | goto ok; |
431 | } |
432 | |
433 | end: |
3eb78778 |
434 | for (i = 0; i < miss_log_len; i++, miss_log_i = (miss_log_i + 1) & miss_log_mask) |
435 | printf("bad %5s: %08x %08x, pc=%08x, cycle %u\n", |
436 | regnames[miss_log[miss_log_i].reg], miss_log[miss_log_i].val, |
437 | miss_log[miss_log_i].val_expect, miss_log[miss_log_i].pc, miss_log[miss_log_i].cycle); |
438 | printf("-- %d\n", bad); |
439 | for (i = 0; i < 8; i++) |
440 | printf("r%d=%08x r%2d=%08x r%2d=%08x r%2d=%08x\n", i, allregs_p[i], |
441 | i+8, allregs_p[i+8], i+16, allregs_p[i+16], i+24, allregs_p[i+23]); |
7139f3c8 |
442 | printf("PC: %08x/%08x, cycle %u\n", psxRegs.pc, ppc, psxRegs.cycle); |
443 | dump_mem("/mnt/ntz/dev/pnd/tmp/psxram.dump", psxM, 0x200000); |
444 | dump_mem("/mnt/ntz/dev/pnd/tmp/psxregs.dump", psxH, 0x10000); |
445 | exit(1); |
446 | ok: |
447 | psxRegs.cycle = rregs.cycle + 2; // sync timing |
448 | ppc = psxRegs.pc; |
449 | } |
450 | |
451 | #endif |