Commit | Line | Data |
---|---|---|
82183d4c | 1 | #include <errno.h> |
6f1edc3c PC |
2 | #include <stdbool.h> |
3 | #include <stdio.h> | |
4 | #include <unistd.h> | |
5 | #include <signal.h> | |
c174cf6a | 6 | #include <assert.h> |
6f1edc3c | 7 | |
c4f51fd8 PC |
8 | #if P_HAVE_MMAP |
9 | #include <sys/mman.h> | |
10 | #endif | |
11 | ||
7cbd2996 | 12 | #include "lightrec.h" |
6f1edc3c PC |
13 | #include "../cdrom.h" |
14 | #include "../gpu.h" | |
15 | #include "../gte.h" | |
16 | #include "../mdec.h" | |
17 | #include "../psxdma.h" | |
18 | #include "../psxhw.h" | |
19 | #include "../psxmem.h" | |
20 | #include "../r3000a.h" | |
f2100c3d | 21 | #include "../psxinterpreter.h" |
ec4baa7d | 22 | #include "../psxhle.h" |
c6a249e3 | 23 | #include "../psxevents.h" |
6f1edc3c PC |
24 | |
25 | #include "../frontend/main.h" | |
26 | ||
f8548105 | 27 | #include "mem.h" |
70939d49 | 28 | #include "plugin.h" |
f8548105 | 29 | |
46a38bda | 30 | #if (defined(__arm__) || defined(__aarch64__)) && !defined(ALLOW_LIGHTREC_ON_ARM) |
31 | #error "Lightrec should not be used on ARM (please specify DYNAREC=ari64 to make)" | |
32 | #endif | |
33 | ||
6f1edc3c PC |
34 | #define ARRAY_SIZE(x) (sizeof(x) ? sizeof(x) / sizeof((x)[0]) : 0) |
35 | ||
36 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ | |
37 | # define LE32TOH(x) __builtin_bswap32(x) | |
38 | # define HTOLE32(x) __builtin_bswap32(x) | |
39 | # define LE16TOH(x) __builtin_bswap16(x) | |
40 | # define HTOLE16(x) __builtin_bswap16(x) | |
41 | #else | |
42 | # define LE32TOH(x) (x) | |
43 | # define HTOLE32(x) (x) | |
44 | # define LE16TOH(x) (x) | |
45 | # define HTOLE16(x) (x) | |
46 | #endif | |
47 | ||
48 | #ifdef __GNUC__ | |
49 | # define likely(x) __builtin_expect(!!(x),1) | |
50 | # define unlikely(x) __builtin_expect(!!(x),0) | |
51 | #else | |
52 | # define likely(x) (x) | |
53 | # define unlikely(x) (x) | |
54 | #endif | |
55 | ||
3bf2e5ab PC |
56 | #ifndef LIGHTREC_PROG_NAME |
57 | # ifdef __linux__ | |
58 | # define LIGHTREC_PROG_NAME "/proc/self/exe" | |
59 | # else | |
60 | # define LIGHTREC_PROG_NAME "retroarch.exe" | |
61 | # endif | |
62 | #endif | |
63 | ||
630b122b | 64 | psxRegisters psxRegs; |
65 | Rcnt rcnts[4]; | |
66 | ||
82183d4c PC |
67 | void* code_buffer; |
68 | ||
6f1edc3c PC |
69 | static struct lightrec_state *lightrec_state; |
70 | ||
6f1edc3c | 71 | static bool use_lightrec_interpreter; |
6b02f240 | 72 | static bool use_pcsx_interpreter; |
6c62131f | 73 | static bool block_stepping; |
6f1edc3c | 74 | |
8bccdd17 PC |
75 | extern u32 lightrec_hacks; |
76 | ||
8ba7993c PC |
77 | extern void lightrec_code_inv(void *ptr, uint32_t len); |
78 | ||
6f1edc3c PC |
79 | enum my_cp2_opcodes { |
80 | OP_CP2_RTPS = 0x01, | |
81 | OP_CP2_NCLIP = 0x06, | |
82 | OP_CP2_OP = 0x0c, | |
83 | OP_CP2_DPCS = 0x10, | |
84 | OP_CP2_INTPL = 0x11, | |
85 | OP_CP2_MVMVA = 0x12, | |
86 | OP_CP2_NCDS = 0x13, | |
87 | OP_CP2_CDP = 0x14, | |
88 | OP_CP2_NCDT = 0x16, | |
89 | OP_CP2_NCCS = 0x1b, | |
90 | OP_CP2_CC = 0x1c, | |
91 | OP_CP2_NCS = 0x1e, | |
92 | OP_CP2_NCT = 0x20, | |
93 | OP_CP2_SQR = 0x28, | |
94 | OP_CP2_DCPL = 0x29, | |
95 | OP_CP2_DPCT = 0x2a, | |
96 | OP_CP2_AVSZ3 = 0x2d, | |
97 | OP_CP2_AVSZ4 = 0x2e, | |
98 | OP_CP2_RTPT = 0x30, | |
99 | OP_CP2_GPF = 0x3d, | |
100 | OP_CP2_GPL = 0x3e, | |
101 | OP_CP2_NCCT = 0x3f, | |
102 | }; | |
103 | ||
104 | static void (*cp2_ops[])(struct psxCP2Regs *) = { | |
105 | [OP_CP2_RTPS] = gteRTPS, | |
106 | [OP_CP2_RTPS] = gteRTPS, | |
107 | [OP_CP2_NCLIP] = gteNCLIP, | |
108 | [OP_CP2_OP] = gteOP, | |
109 | [OP_CP2_DPCS] = gteDPCS, | |
110 | [OP_CP2_INTPL] = gteINTPL, | |
111 | [OP_CP2_MVMVA] = gteMVMVA, | |
112 | [OP_CP2_NCDS] = gteNCDS, | |
113 | [OP_CP2_CDP] = gteCDP, | |
114 | [OP_CP2_NCDT] = gteNCDT, | |
115 | [OP_CP2_NCCS] = gteNCCS, | |
116 | [OP_CP2_CC] = gteCC, | |
117 | [OP_CP2_NCS] = gteNCS, | |
118 | [OP_CP2_NCT] = gteNCT, | |
119 | [OP_CP2_SQR] = gteSQR, | |
120 | [OP_CP2_DCPL] = gteDCPL, | |
121 | [OP_CP2_DPCT] = gteDPCT, | |
122 | [OP_CP2_AVSZ3] = gteAVSZ3, | |
123 | [OP_CP2_AVSZ4] = gteAVSZ4, | |
124 | [OP_CP2_RTPT] = gteRTPT, | |
125 | [OP_CP2_GPF] = gteGPF, | |
126 | [OP_CP2_GPL] = gteGPL, | |
127 | [OP_CP2_NCCT] = gteNCCT, | |
128 | }; | |
129 | ||
130 | static char cache_buf[64 * 1024]; | |
131 | ||
0733c3ab | 132 | static void cop2_op(struct lightrec_state *state, u32 func) |
6f1edc3c | 133 | { |
0733c3ab | 134 | struct lightrec_registers *regs = lightrec_get_registers(state); |
6f1edc3c | 135 | |
0733c3ab | 136 | psxRegs.code = func; |
6f1edc3c | 137 | |
0733c3ab PC |
138 | if (unlikely(!cp2_ops[func & 0x3f])) { |
139 | fprintf(stderr, "Invalid CP2 function %u\n", func); | |
140 | } else { | |
141 | /* This works because regs->cp2c comes right after regs->cp2d, | |
142 | * so it can be cast to a pcsxCP2Regs pointer. */ | |
143 | cp2_ops[func & 0x3f]((psxCP2Regs *) regs->cp2d); | |
144 | } | |
6f1edc3c PC |
145 | } |
146 | ||
2bf88032 PC |
147 | static bool has_interrupt(void) |
148 | { | |
6ce0b00a PC |
149 | struct lightrec_registers *regs = lightrec_get_registers(lightrec_state); |
150 | ||
2bf88032 | 151 | return ((psxHu32(0x1070) & psxHu32(0x1074)) && |
6ce0b00a PC |
152 | (regs->cp0[12] & 0x401) == 0x401) || |
153 | (regs->cp0[12] & regs->cp0[13] & 0x0300); | |
2bf88032 PC |
154 | } |
155 | ||
c174cf6a | 156 | static void lightrec_tansition_to_pcsx(struct lightrec_state *state) |
157 | { | |
b45c3e27 | 158 | psxRegs.cycle += lightrec_current_cycle_count(state) / 1024; |
c174cf6a | 159 | lightrec_reset_cycle_count(state, 0); |
160 | } | |
161 | ||
162 | static void lightrec_tansition_from_pcsx(struct lightrec_state *state) | |
163 | { | |
164 | s32 cycles_left = next_interupt - psxRegs.cycle; | |
165 | ||
166 | if (block_stepping || cycles_left <= 0 || has_interrupt()) | |
2bf88032 | 167 | lightrec_set_exit_flags(state, LIGHTREC_EXIT_CHECK_INTERRUPT); |
c174cf6a | 168 | else { |
b45c3e27 | 169 | lightrec_set_target_cycle_count(state, cycles_left * 1024); |
c174cf6a | 170 | } |
f4f9f2a4 PC |
171 | } |
172 | ||
6b02f240 | 173 | static void hw_write_byte(struct lightrec_state *state, |
909bfa63 | 174 | u32 op, void *host, u32 mem, u32 val) |
6f1edc3c | 175 | { |
c174cf6a | 176 | lightrec_tansition_to_pcsx(state); |
6f1edc3c PC |
177 | |
178 | psxHwWrite8(mem, val); | |
6f1edc3c | 179 | |
c174cf6a | 180 | lightrec_tansition_from_pcsx(state); |
6f1edc3c PC |
181 | } |
182 | ||
6b02f240 | 183 | static void hw_write_half(struct lightrec_state *state, |
909bfa63 | 184 | u32 op, void *host, u32 mem, u32 val) |
6f1edc3c | 185 | { |
c174cf6a | 186 | lightrec_tansition_to_pcsx(state); |
6f1edc3c PC |
187 | |
188 | psxHwWrite16(mem, val); | |
6f1edc3c | 189 | |
c174cf6a | 190 | lightrec_tansition_from_pcsx(state); |
6f1edc3c PC |
191 | } |
192 | ||
6b02f240 | 193 | static void hw_write_word(struct lightrec_state *state, |
194 | u32 op, void *host, u32 mem, u32 val) | |
6f1edc3c | 195 | { |
c174cf6a | 196 | lightrec_tansition_to_pcsx(state); |
6f1edc3c PC |
197 | |
198 | psxHwWrite32(mem, val); | |
6f1edc3c | 199 | |
c174cf6a | 200 | lightrec_tansition_from_pcsx(state); |
6f1edc3c PC |
201 | } |
202 | ||
6b02f240 | 203 | static u8 hw_read_byte(struct lightrec_state *state, u32 op, void *host, u32 mem) |
6f1edc3c PC |
204 | { |
205 | u8 val; | |
206 | ||
c174cf6a | 207 | lightrec_tansition_to_pcsx(state); |
6f1edc3c | 208 | |
6f1edc3c | 209 | val = psxHwRead8(mem); |
f4f9f2a4 | 210 | |
c174cf6a | 211 | lightrec_tansition_from_pcsx(state); |
6f1edc3c PC |
212 | |
213 | return val; | |
214 | } | |
215 | ||
6b02f240 | 216 | static u16 hw_read_half(struct lightrec_state *state, |
217 | u32 op, void *host, u32 mem) | |
6f1edc3c PC |
218 | { |
219 | u16 val; | |
220 | ||
c174cf6a | 221 | lightrec_tansition_to_pcsx(state); |
6f1edc3c | 222 | |
6f1edc3c | 223 | val = psxHwRead16(mem); |
f4f9f2a4 | 224 | |
c174cf6a | 225 | lightrec_tansition_from_pcsx(state); |
6f1edc3c PC |
226 | |
227 | return val; | |
228 | } | |
229 | ||
6b02f240 | 230 | static u32 hw_read_word(struct lightrec_state *state, |
231 | u32 op, void *host, u32 mem) | |
6f1edc3c PC |
232 | { |
233 | u32 val; | |
234 | ||
c174cf6a | 235 | lightrec_tansition_to_pcsx(state); |
6f1edc3c | 236 | |
6f1edc3c | 237 | val = psxHwRead32(mem); |
f4f9f2a4 | 238 | |
c174cf6a | 239 | lightrec_tansition_from_pcsx(state); |
6f1edc3c PC |
240 | |
241 | return val; | |
242 | } | |
243 | ||
244 | static struct lightrec_mem_map_ops hw_regs_ops = { | |
245 | .sb = hw_write_byte, | |
246 | .sh = hw_write_half, | |
247 | .sw = hw_write_word, | |
248 | .lb = hw_read_byte, | |
249 | .lh = hw_read_half, | |
250 | .lw = hw_read_word, | |
251 | }; | |
252 | ||
253 | static u32 cache_ctrl; | |
254 | ||
6b02f240 | 255 | static void cache_ctrl_write_word(struct lightrec_state *state, |
256 | u32 op, void *host, u32 mem, u32 val) | |
6f1edc3c PC |
257 | { |
258 | cache_ctrl = val; | |
259 | } | |
260 | ||
6b02f240 | 261 | static u32 cache_ctrl_read_word(struct lightrec_state *state, |
262 | u32 op, void *host, u32 mem) | |
6f1edc3c PC |
263 | { |
264 | return cache_ctrl; | |
265 | } | |
266 | ||
267 | static struct lightrec_mem_map_ops cache_ctrl_ops = { | |
268 | .sw = cache_ctrl_write_word, | |
269 | .lw = cache_ctrl_read_word, | |
270 | }; | |
271 | ||
272 | static struct lightrec_mem_map lightrec_map[] = { | |
273 | [PSX_MAP_KERNEL_USER_RAM] = { | |
274 | /* Kernel and user memory */ | |
275 | .pc = 0x00000000, | |
276 | .length = 0x200000, | |
277 | }, | |
278 | [PSX_MAP_BIOS] = { | |
279 | /* BIOS */ | |
280 | .pc = 0x1fc00000, | |
281 | .length = 0x80000, | |
282 | }, | |
283 | [PSX_MAP_SCRATCH_PAD] = { | |
284 | /* Scratch pad */ | |
285 | .pc = 0x1f800000, | |
286 | .length = 0x400, | |
287 | }, | |
288 | [PSX_MAP_PARALLEL_PORT] = { | |
289 | /* Parallel port */ | |
290 | .pc = 0x1f000000, | |
291 | .length = 0x10000, | |
292 | }, | |
293 | [PSX_MAP_HW_REGISTERS] = { | |
294 | /* Hardware registers */ | |
295 | .pc = 0x1f801000, | |
82d04936 | 296 | .length = 0x8000, |
6f1edc3c PC |
297 | .ops = &hw_regs_ops, |
298 | }, | |
299 | [PSX_MAP_CACHE_CONTROL] = { | |
300 | /* Cache control */ | |
301 | .pc = 0x5ffe0130, | |
302 | .length = 4, | |
303 | .ops = &cache_ctrl_ops, | |
304 | }, | |
305 | ||
306 | /* Mirrors of the kernel/user memory */ | |
307 | [PSX_MAP_MIRROR1] = { | |
308 | .pc = 0x00200000, | |
309 | .length = 0x200000, | |
310 | .mirror_of = &lightrec_map[PSX_MAP_KERNEL_USER_RAM], | |
311 | }, | |
312 | [PSX_MAP_MIRROR2] = { | |
313 | .pc = 0x00400000, | |
314 | .length = 0x200000, | |
315 | .mirror_of = &lightrec_map[PSX_MAP_KERNEL_USER_RAM], | |
316 | }, | |
317 | [PSX_MAP_MIRROR3] = { | |
318 | .pc = 0x00600000, | |
319 | .length = 0x200000, | |
320 | .mirror_of = &lightrec_map[PSX_MAP_KERNEL_USER_RAM], | |
321 | }, | |
6e394614 PC |
322 | |
323 | /* Mirror of the parallel port. Only used by the PS2/PS3 BIOS */ | |
324 | [PSX_MAP_PPORT_MIRROR] = { | |
325 | .pc = 0x1fa00000, | |
326 | .length = 0x10000, | |
327 | .mirror_of = &lightrec_map[PSX_MAP_PARALLEL_PORT], | |
328 | }, | |
329 | ||
330 | /* Code buffer */ | |
f8548105 PC |
331 | [PSX_MAP_CODE_BUFFER] = { |
332 | .length = CODE_BUFFER_SIZE, | |
333 | }, | |
6f1edc3c PC |
334 | }; |
335 | ||
0733c3ab PC |
336 | static void lightrec_enable_ram(struct lightrec_state *state, bool enable) |
337 | { | |
338 | if (enable) | |
339 | memcpy(psxM, cache_buf, sizeof(cache_buf)); | |
340 | else | |
341 | memcpy(cache_buf, psxM, sizeof(cache_buf)); | |
342 | } | |
343 | ||
ba3814c1 PC |
344 | static bool lightrec_can_hw_direct(u32 kaddr, bool is_write, u8 size) |
345 | { | |
ab206b0c | 346 | if (is_write && size != 32) { |
347 | // force32 so must go through handlers | |
348 | if (0x1f801000 <= kaddr && kaddr < 0x1f801024) | |
349 | return false; | |
350 | if ((kaddr & 0x1fffff80) == 0x1f801080) // dma | |
351 | return false; | |
352 | } | |
353 | ||
ba3814c1 PC |
354 | switch (size) { |
355 | case 8: | |
356 | switch (kaddr) { | |
357 | case 0x1f801040: | |
358 | case 0x1f801050: | |
359 | case 0x1f801800: | |
360 | case 0x1f801801: | |
361 | case 0x1f801802: | |
362 | case 0x1f801803: | |
363 | return false; | |
364 | default: | |
365 | return true; | |
366 | } | |
367 | case 16: | |
368 | switch (kaddr) { | |
369 | case 0x1f801040: | |
370 | case 0x1f801044: | |
371 | case 0x1f801048: | |
372 | case 0x1f80104a: | |
373 | case 0x1f80104e: | |
374 | case 0x1f801050: | |
375 | case 0x1f801054: | |
376 | case 0x1f80105a: | |
377 | case 0x1f80105e: | |
378 | case 0x1f801100: | |
379 | case 0x1f801104: | |
380 | case 0x1f801108: | |
381 | case 0x1f801110: | |
382 | case 0x1f801114: | |
383 | case 0x1f801118: | |
384 | case 0x1f801120: | |
385 | case 0x1f801124: | |
386 | case 0x1f801128: | |
387 | return false; | |
388 | case 0x1f801070: | |
389 | case 0x1f801074: | |
390 | return !is_write; | |
391 | default: | |
cdfa3536 | 392 | return kaddr < 0x1f801c00 || kaddr >= 0x1f801e00; |
ba3814c1 PC |
393 | } |
394 | default: | |
395 | switch (kaddr) { | |
396 | case 0x1f801040: | |
397 | case 0x1f801050: | |
398 | case 0x1f801100: | |
399 | case 0x1f801104: | |
400 | case 0x1f801108: | |
401 | case 0x1f801110: | |
402 | case 0x1f801114: | |
403 | case 0x1f801118: | |
404 | case 0x1f801120: | |
405 | case 0x1f801124: | |
406 | case 0x1f801128: | |
407 | case 0x1f801810: | |
408 | case 0x1f801814: | |
409 | case 0x1f801820: | |
410 | case 0x1f801824: | |
411 | return false; | |
412 | case 0x1f801070: | |
413 | case 0x1f801074: | |
414 | case 0x1f801088: | |
415 | case 0x1f801098: | |
416 | case 0x1f8010a8: | |
417 | case 0x1f8010b8: | |
418 | case 0x1f8010c8: | |
419 | case 0x1f8010e8: | |
420 | case 0x1f8010f4: | |
421 | return !is_write; | |
422 | default: | |
423 | return !is_write || kaddr < 0x1f801c00 || kaddr >= 0x1f801e00; | |
424 | } | |
425 | } | |
426 | } | |
427 | ||
6f1edc3c | 428 | static const struct lightrec_ops lightrec_ops = { |
0733c3ab PC |
429 | .cop2_op = cop2_op, |
430 | .enable_ram = lightrec_enable_ram, | |
ba3814c1 | 431 | .hw_direct = lightrec_can_hw_direct, |
8ba7993c | 432 | .code_inv = LIGHTREC_CODE_INV ? lightrec_code_inv : NULL, |
6f1edc3c PC |
433 | }; |
434 | ||
435 | static int lightrec_plugin_init(void) | |
436 | { | |
437 | lightrec_map[PSX_MAP_KERNEL_USER_RAM].address = psxM; | |
438 | lightrec_map[PSX_MAP_BIOS].address = psxR; | |
439 | lightrec_map[PSX_MAP_SCRATCH_PAD].address = psxH; | |
6ce0b00a | 440 | lightrec_map[PSX_MAP_HW_REGISTERS].address = psxH + 0x1000; |
6f1edc3c PC |
441 | lightrec_map[PSX_MAP_PARALLEL_PORT].address = psxP; |
442 | ||
82183d4c | 443 | if (!LIGHTREC_CUSTOM_MAP) { |
c4f51fd8 PC |
444 | #if P_HAVE_MMAP |
445 | code_buffer = mmap(0, CODE_BUFFER_SIZE, | |
446 | PROT_EXEC | PROT_READ | PROT_WRITE, | |
447 | MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); | |
448 | if (code_buffer == MAP_FAILED) | |
449 | return -ENOMEM; | |
450 | #else | |
82183d4c PC |
451 | code_buffer = malloc(CODE_BUFFER_SIZE); |
452 | if (!code_buffer) | |
453 | return -ENOMEM; | |
c4f51fd8 | 454 | #endif |
82183d4c PC |
455 | } |
456 | ||
479d58cf PC |
457 | if (LIGHTREC_CUSTOM_MAP) { |
458 | lightrec_map[PSX_MAP_MIRROR1].address = psxM + 0x200000; | |
459 | lightrec_map[PSX_MAP_MIRROR2].address = psxM + 0x400000; | |
460 | lightrec_map[PSX_MAP_MIRROR3].address = psxM + 0x600000; | |
461 | } | |
462 | ||
82183d4c PC |
463 | lightrec_map[PSX_MAP_CODE_BUFFER].address = code_buffer; |
464 | ||
6f1edc3c | 465 | use_lightrec_interpreter = !!getenv("LIGHTREC_INTERPRETER"); |
6f1edc3c | 466 | |
3bf2e5ab | 467 | lightrec_state = lightrec_init(LIGHTREC_PROG_NAME, |
6f1edc3c PC |
468 | lightrec_map, ARRAY_SIZE(lightrec_map), |
469 | &lightrec_ops); | |
470 | ||
9361a5aa EC |
471 | // fprintf(stderr, "M=0x%lx, P=0x%lx, R=0x%lx, H=0x%lx\n", |
472 | // (uintptr_t) psxM, | |
473 | // (uintptr_t) psxP, | |
474 | // (uintptr_t) psxR, | |
475 | // (uintptr_t) psxH); | |
6f1edc3c PC |
476 | |
477 | #ifndef _WIN32 | |
478 | signal(SIGPIPE, exit); | |
479 | #endif | |
480 | return 0; | |
481 | } | |
482 | ||
ec4baa7d | 483 | static void lightrec_plugin_sync_regs_to_pcsx(bool need_cp2); |
484 | static void lightrec_plugin_sync_regs_from_pcsx(bool need_cp2); | |
485 | ||
d0abba5d | 486 | static void lightrec_plugin_execute_internal(bool block_only) |
6f1edc3c | 487 | { |
6c62131f | 488 | struct lightrec_registers *regs; |
c174cf6a | 489 | u32 flags, cycles_pcsx; |
6f1edc3c | 490 | |
6c62131f | 491 | regs = lightrec_get_registers(lightrec_state); |
492 | gen_interupt((psxCP0Regs *)regs->cp0); | |
403a6290 | 493 | if (!block_only && stop) |
494 | return; | |
495 | ||
c174cf6a | 496 | cycles_pcsx = next_interupt - psxRegs.cycle; |
497 | assert((s32)cycles_pcsx > 0); | |
2bf88032 | 498 | |
ba3814c1 | 499 | // step during early boot so that 0x80030000 fastboot hack works |
6c62131f | 500 | block_stepping = block_only; |
d0abba5d | 501 | if (block_only) |
c174cf6a | 502 | cycles_pcsx = 0; |
ba3814c1 | 503 | |
6b02f240 | 504 | if (use_pcsx_interpreter) { |
f2100c3d | 505 | intExecuteBlock(0); |
6b02f240 | 506 | } else { |
b45c3e27 | 507 | u32 cycles_lightrec = cycles_pcsx * 1024; |
ba3814c1 | 508 | if (unlikely(use_lightrec_interpreter)) { |
6b02f240 | 509 | psxRegs.pc = lightrec_run_interpreter(lightrec_state, |
ba3814c1 | 510 | psxRegs.pc, |
c174cf6a | 511 | cycles_lightrec); |
ba3814c1 | 512 | } else { |
2bf88032 | 513 | psxRegs.pc = lightrec_execute(lightrec_state, |
c174cf6a | 514 | psxRegs.pc, cycles_lightrec); |
ba3814c1 | 515 | } |
6f1edc3c | 516 | |
c174cf6a | 517 | lightrec_tansition_to_pcsx(lightrec_state); |
6f1edc3c | 518 | |
6b02f240 | 519 | flags = lightrec_exit_flags(lightrec_state); |
6f1edc3c | 520 | |
6b02f240 | 521 | if (flags & LIGHTREC_EXIT_SEGFAULT) { |
522 | fprintf(stderr, "Exiting at cycle 0x%08x\n", | |
523 | psxRegs.cycle); | |
524 | exit(1); | |
525 | } | |
6f1edc3c | 526 | |
6b02f240 | 527 | if (flags & LIGHTREC_EXIT_SYSCALL) |
ec4baa7d | 528 | psxException(R3000E_Syscall << 2, 0, (psxCP0Regs *)regs->cp0); |
a95fc05a PC |
529 | if (flags & LIGHTREC_EXIT_BREAK) |
530 | psxException(R3000E_Bp << 2, 0, (psxCP0Regs *)regs->cp0); | |
ec4baa7d | 531 | else if (flags & LIGHTREC_EXIT_UNKNOWN_OP) { |
532 | u32 op = intFakeFetch(psxRegs.pc); | |
533 | u32 hlec = op & 0x03ffffff; | |
534 | if ((op >> 26) == 0x3b && hlec < ARRAY_SIZE(psxHLEt) && Config.HLE) { | |
535 | lightrec_plugin_sync_regs_to_pcsx(0); | |
536 | psxHLEt[hlec](); | |
537 | lightrec_plugin_sync_regs_from_pcsx(0); | |
538 | } | |
539 | else | |
540 | psxException(R3000E_RI << 2, 0, (psxCP0Regs *)regs->cp0); | |
541 | } | |
2bf88032 | 542 | } |
6f1edc3c | 543 | |
6c62131f | 544 | if ((regs->cp0[13] & regs->cp0[12] & 0x300) && (regs->cp0[12] & 0x1)) { |
6f1edc3c | 545 | /* Handle software interrupts */ |
6c62131f | 546 | regs->cp0[13] &= ~0x7c; |
547 | psxException(regs->cp0[13], 0, (psxCP0Regs *)regs->cp0); | |
6f1edc3c | 548 | } |
6f1edc3c PC |
549 | } |
550 | ||
551 | static void lightrec_plugin_execute(void) | |
552 | { | |
6f1edc3c | 553 | while (!stop) |
d0abba5d | 554 | lightrec_plugin_execute_internal(false); |
d0abba5d | 555 | } |
556 | ||
f3bc907d | 557 | static void lightrec_plugin_execute_block(enum blockExecCaller caller) |
d0abba5d | 558 | { |
559 | lightrec_plugin_execute_internal(true); | |
6f1edc3c PC |
560 | } |
561 | ||
562 | static void lightrec_plugin_clear(u32 addr, u32 size) | |
563 | { | |
0e481d53 PC |
564 | if ((addr == 0 && size == UINT32_MAX) |
565 | || (lightrec_hacks & LIGHTREC_OPT_INV_DMA_ONLY)) | |
8c9468f1 ZC |
566 | lightrec_invalidate_all(lightrec_state); |
567 | else | |
568 | /* size * 4: PCSX uses DMA units */ | |
569 | lightrec_invalidate(lightrec_state, addr, size * 4); | |
6f1edc3c PC |
570 | } |
571 | ||
20196899 | 572 | static void lightrec_plugin_notify(enum R3000Anote note, void *data) |
7a811716 | 573 | { |
7a811716 | 574 | switch (note) |
575 | { | |
20196899 | 576 | case R3000ACPU_NOTIFY_CACHE_ISOLATED: |
577 | case R3000ACPU_NOTIFY_CACHE_UNISOLATED: | |
578 | /* not used, lightrec calls lightrec_enable_ram() instead */ | |
579 | break; | |
580 | case R3000ACPU_NOTIFY_BEFORE_SAVE: | |
ec4baa7d | 581 | /* non-null 'data' means this is HLE related sync */ |
582 | lightrec_plugin_sync_regs_to_pcsx(data == NULL); | |
20196899 | 583 | break; |
584 | case R3000ACPU_NOTIFY_AFTER_LOAD: | |
ec4baa7d | 585 | lightrec_plugin_sync_regs_from_pcsx(data == NULL); |
586 | if (data == NULL) | |
587 | lightrec_invalidate_all(lightrec_state); | |
20196899 | 588 | break; |
589 | } | |
7a811716 | 590 | } |
630b122b | 591 | |
592 | static void lightrec_plugin_apply_config() | |
593 | { | |
7cbd2996 | 594 | static u32 cycles_per_op_old; |
c174cf6a | 595 | u32 cycle_mult = Config.cycle_multiplier_override && Config.cycle_multiplier == CYCLE_MULT_DEFAULT |
596 | ? Config.cycle_multiplier_override : Config.cycle_multiplier; | |
7cbd2996 | 597 | u32 cycles_per_op = cycle_mult * 1024 / 100; |
598 | assert(cycles_per_op); | |
b45c3e27 | 599 | |
7cbd2996 | 600 | if (cycles_per_op_old && cycles_per_op_old != cycles_per_op) { |
601 | SysPrintf("lightrec: reinit block cache for cycles_per_op %.2f\n", | |
602 | cycles_per_op / 1024.f); | |
7cbd2996 | 603 | } |
604 | cycles_per_op_old = cycles_per_op; | |
605 | lightrec_set_cycles_per_opcode(lightrec_state, cycles_per_op); | |
630b122b | 606 | } |
7a811716 | 607 | |
6f1edc3c PC |
608 | static void lightrec_plugin_shutdown(void) |
609 | { | |
610 | lightrec_destroy(lightrec_state); | |
82183d4c | 611 | |
c4f51fd8 PC |
612 | if (!LIGHTREC_CUSTOM_MAP) { |
613 | #if P_HAVE_MMAP | |
614 | munmap(code_buffer, CODE_BUFFER_SIZE); | |
615 | #else | |
82183d4c | 616 | free(code_buffer); |
c4f51fd8 PC |
617 | #endif |
618 | } | |
6f1edc3c PC |
619 | } |
620 | ||
621 | static void lightrec_plugin_reset(void) | |
622 | { | |
0733c3ab PC |
623 | struct lightrec_registers *regs; |
624 | ||
0733c3ab PC |
625 | regs = lightrec_get_registers(lightrec_state); |
626 | ||
03535202 PC |
627 | /* Invalidate all blocks */ |
628 | lightrec_invalidate_all(lightrec_state); | |
629 | ||
630 | /* Reset registers */ | |
631 | memset(regs, 0, sizeof(*regs)); | |
632 | ||
0733c3ab PC |
633 | regs->cp0[12] = 0x10900000; // COP0 enabled | BEV = 1 | TS = 1 |
634 | regs->cp0[15] = 0x00000002; // PRevID = Revision ID, same as R3000A | |
6c307d2d PC |
635 | |
636 | lightrec_set_unsafe_opt_flags(lightrec_state, lightrec_hacks); | |
6f1edc3c PC |
637 | } |
638 | ||
ec4baa7d | 639 | static void lightrec_plugin_sync_regs_from_pcsx(bool need_cp2) |
6962f770 PC |
640 | { |
641 | struct lightrec_registers *regs; | |
642 | ||
643 | regs = lightrec_get_registers(lightrec_state); | |
6962f770 | 644 | memcpy(regs->gpr, &psxRegs.GPR, sizeof(regs->gpr)); |
ec4baa7d | 645 | memcpy(regs->cp0, &psxRegs.CP0, sizeof(regs->cp0)); |
646 | if (need_cp2) | |
647 | memcpy(regs->cp2d, &psxRegs.CP2, sizeof(regs->cp2d) + sizeof(regs->cp2c)); | |
6962f770 PC |
648 | } |
649 | ||
ec4baa7d | 650 | static void lightrec_plugin_sync_regs_to_pcsx(bool need_cp2) |
6962f770 PC |
651 | { |
652 | struct lightrec_registers *regs; | |
653 | ||
654 | regs = lightrec_get_registers(lightrec_state); | |
6962f770 | 655 | memcpy(&psxRegs.GPR, regs->gpr, sizeof(regs->gpr)); |
ec4baa7d | 656 | memcpy(&psxRegs.CP0, regs->cp0, sizeof(regs->cp0)); |
657 | if (need_cp2) | |
658 | memcpy(&psxRegs.CP2, regs->cp2d, sizeof(regs->cp2d) + sizeof(regs->cp2c)); | |
6962f770 PC |
659 | } |
660 | ||
6f1edc3c PC |
661 | R3000Acpu psxRec = |
662 | { | |
663 | lightrec_plugin_init, | |
664 | lightrec_plugin_reset, | |
665 | lightrec_plugin_execute, | |
666 | lightrec_plugin_execute_block, | |
667 | lightrec_plugin_clear, | |
7a811716 | 668 | lightrec_plugin_notify, |
630b122b | 669 | lightrec_plugin_apply_config, |
6f1edc3c PC |
670 | lightrec_plugin_shutdown, |
671 | }; |