| 1 | #include <lightrec.h> |
| 2 | #include <stdbool.h> |
| 3 | #include <stdio.h> |
| 4 | #include <unistd.h> |
| 5 | #include <signal.h> |
| 6 | |
| 7 | #include "../cdrom.h" |
| 8 | #include "../gpu.h" |
| 9 | #include "../gte.h" |
| 10 | #include "../mdec.h" |
| 11 | #include "../psxdma.h" |
| 12 | #include "../psxhw.h" |
| 13 | #include "../psxmem.h" |
| 14 | #include "../r3000a.h" |
| 15 | |
| 16 | #include "../frontend/main.h" |
| 17 | |
| 18 | #include "mem.h" |
| 19 | #include "plugin.h" |
| 20 | |
| 21 | #if (defined(__arm__) || defined(__aarch64__)) && !defined(ALLOW_LIGHTREC_ON_ARM) |
| 22 | #error "Lightrec should not be used on ARM (please specify DYNAREC=ari64 to make)" |
| 23 | #endif |
| 24 | |
| 25 | #define ARRAY_SIZE(x) (sizeof(x) ? sizeof(x) / sizeof((x)[0]) : 0) |
| 26 | |
| 27 | #if __BYTE_ORDER__ == __ORDER_BIG_ENDIAN__ |
| 28 | # define LE32TOH(x) __builtin_bswap32(x) |
| 29 | # define HTOLE32(x) __builtin_bswap32(x) |
| 30 | # define LE16TOH(x) __builtin_bswap16(x) |
| 31 | # define HTOLE16(x) __builtin_bswap16(x) |
| 32 | #else |
| 33 | # define LE32TOH(x) (x) |
| 34 | # define HTOLE32(x) (x) |
| 35 | # define LE16TOH(x) (x) |
| 36 | # define HTOLE16(x) (x) |
| 37 | #endif |
| 38 | |
| 39 | #ifdef __GNUC__ |
| 40 | # define likely(x) __builtin_expect(!!(x),1) |
| 41 | # define unlikely(x) __builtin_expect(!!(x),0) |
| 42 | #else |
| 43 | # define likely(x) (x) |
| 44 | # define unlikely(x) (x) |
| 45 | #endif |
| 46 | |
| 47 | psxRegisters psxRegs; |
| 48 | Rcnt rcnts[4]; |
| 49 | |
| 50 | static struct lightrec_state *lightrec_state; |
| 51 | |
| 52 | static char *name = "retroarch.exe"; |
| 53 | |
| 54 | static bool use_lightrec_interpreter; |
| 55 | static bool use_pcsx_interpreter; |
| 56 | static bool lightrec_debug; |
| 57 | static bool lightrec_very_debug; |
| 58 | static bool booting; |
| 59 | static u32 lightrec_begin_cycles; |
| 60 | |
| 61 | enum my_cp2_opcodes { |
| 62 | OP_CP2_RTPS = 0x01, |
| 63 | OP_CP2_NCLIP = 0x06, |
| 64 | OP_CP2_OP = 0x0c, |
| 65 | OP_CP2_DPCS = 0x10, |
| 66 | OP_CP2_INTPL = 0x11, |
| 67 | OP_CP2_MVMVA = 0x12, |
| 68 | OP_CP2_NCDS = 0x13, |
| 69 | OP_CP2_CDP = 0x14, |
| 70 | OP_CP2_NCDT = 0x16, |
| 71 | OP_CP2_NCCS = 0x1b, |
| 72 | OP_CP2_CC = 0x1c, |
| 73 | OP_CP2_NCS = 0x1e, |
| 74 | OP_CP2_NCT = 0x20, |
| 75 | OP_CP2_SQR = 0x28, |
| 76 | OP_CP2_DCPL = 0x29, |
| 77 | OP_CP2_DPCT = 0x2a, |
| 78 | OP_CP2_AVSZ3 = 0x2d, |
| 79 | OP_CP2_AVSZ4 = 0x2e, |
| 80 | OP_CP2_RTPT = 0x30, |
| 81 | OP_CP2_GPF = 0x3d, |
| 82 | OP_CP2_GPL = 0x3e, |
| 83 | OP_CP2_NCCT = 0x3f, |
| 84 | }; |
| 85 | |
| 86 | static void (*cp2_ops[])(struct psxCP2Regs *) = { |
| 87 | [OP_CP2_RTPS] = gteRTPS, |
| 88 | [OP_CP2_RTPS] = gteRTPS, |
| 89 | [OP_CP2_NCLIP] = gteNCLIP, |
| 90 | [OP_CP2_OP] = gteOP, |
| 91 | [OP_CP2_DPCS] = gteDPCS, |
| 92 | [OP_CP2_INTPL] = gteINTPL, |
| 93 | [OP_CP2_MVMVA] = gteMVMVA, |
| 94 | [OP_CP2_NCDS] = gteNCDS, |
| 95 | [OP_CP2_CDP] = gteCDP, |
| 96 | [OP_CP2_NCDT] = gteNCDT, |
| 97 | [OP_CP2_NCCS] = gteNCCS, |
| 98 | [OP_CP2_CC] = gteCC, |
| 99 | [OP_CP2_NCS] = gteNCS, |
| 100 | [OP_CP2_NCT] = gteNCT, |
| 101 | [OP_CP2_SQR] = gteSQR, |
| 102 | [OP_CP2_DCPL] = gteDCPL, |
| 103 | [OP_CP2_DPCT] = gteDPCT, |
| 104 | [OP_CP2_AVSZ3] = gteAVSZ3, |
| 105 | [OP_CP2_AVSZ4] = gteAVSZ4, |
| 106 | [OP_CP2_RTPT] = gteRTPT, |
| 107 | [OP_CP2_GPF] = gteGPF, |
| 108 | [OP_CP2_GPL] = gteGPL, |
| 109 | [OP_CP2_NCCT] = gteNCCT, |
| 110 | }; |
| 111 | |
| 112 | static char cache_buf[64 * 1024]; |
| 113 | |
| 114 | static void cop2_op(struct lightrec_state *state, u32 func) |
| 115 | { |
| 116 | struct lightrec_registers *regs = lightrec_get_registers(state); |
| 117 | |
| 118 | psxRegs.code = func; |
| 119 | |
| 120 | if (unlikely(!cp2_ops[func & 0x3f])) { |
| 121 | fprintf(stderr, "Invalid CP2 function %u\n", func); |
| 122 | } else { |
| 123 | /* This works because regs->cp2c comes right after regs->cp2d, |
| 124 | * so it can be cast to a pcsxCP2Regs pointer. */ |
| 125 | cp2_ops[func & 0x3f]((psxCP2Regs *) regs->cp2d); |
| 126 | } |
| 127 | } |
| 128 | |
| 129 | static bool has_interrupt(void) |
| 130 | { |
| 131 | return ((psxHu32(0x1070) & psxHu32(0x1074)) && |
| 132 | (psxRegs.CP0.n.Status & 0x401) == 0x401) || |
| 133 | (psxRegs.CP0.n.Status & psxRegs.CP0.n.Cause & 0x0300); |
| 134 | } |
| 135 | |
| 136 | static void lightrec_restore_state(struct lightrec_state *state) |
| 137 | { |
| 138 | lightrec_reset_cycle_count(state, psxRegs.cycle); |
| 139 | |
| 140 | if (booting || has_interrupt()) |
| 141 | lightrec_set_exit_flags(state, LIGHTREC_EXIT_CHECK_INTERRUPT); |
| 142 | else |
| 143 | lightrec_set_target_cycle_count(state, next_interupt); |
| 144 | } |
| 145 | |
| 146 | static void hw_write_byte(struct lightrec_state *state, |
| 147 | u32 op, void *host, u32 mem, u8 val) |
| 148 | { |
| 149 | psxRegs.cycle = lightrec_current_cycle_count(state); |
| 150 | |
| 151 | psxHwWrite8(mem, val); |
| 152 | |
| 153 | lightrec_restore_state(state); |
| 154 | } |
| 155 | |
| 156 | static void hw_write_half(struct lightrec_state *state, |
| 157 | u32 op, void *host, u32 mem, u16 val) |
| 158 | { |
| 159 | psxRegs.cycle = lightrec_current_cycle_count(state); |
| 160 | |
| 161 | psxHwWrite16(mem, val); |
| 162 | |
| 163 | lightrec_restore_state(state); |
| 164 | } |
| 165 | |
| 166 | static void hw_write_word(struct lightrec_state *state, |
| 167 | u32 op, void *host, u32 mem, u32 val) |
| 168 | { |
| 169 | psxRegs.cycle = lightrec_current_cycle_count(state); |
| 170 | |
| 171 | psxHwWrite32(mem, val); |
| 172 | |
| 173 | lightrec_restore_state(state); |
| 174 | } |
| 175 | |
| 176 | static u8 hw_read_byte(struct lightrec_state *state, u32 op, void *host, u32 mem) |
| 177 | { |
| 178 | u8 val; |
| 179 | |
| 180 | psxRegs.cycle = lightrec_current_cycle_count(state); |
| 181 | |
| 182 | val = psxHwRead8(mem); |
| 183 | |
| 184 | lightrec_restore_state(state); |
| 185 | |
| 186 | return val; |
| 187 | } |
| 188 | |
| 189 | static u16 hw_read_half(struct lightrec_state *state, |
| 190 | u32 op, void *host, u32 mem) |
| 191 | { |
| 192 | u16 val; |
| 193 | |
| 194 | psxRegs.cycle = lightrec_current_cycle_count(state); |
| 195 | |
| 196 | val = psxHwRead16(mem); |
| 197 | |
| 198 | lightrec_restore_state(state); |
| 199 | |
| 200 | return val; |
| 201 | } |
| 202 | |
| 203 | static u32 hw_read_word(struct lightrec_state *state, |
| 204 | u32 op, void *host, u32 mem) |
| 205 | { |
| 206 | u32 val; |
| 207 | |
| 208 | psxRegs.cycle = lightrec_current_cycle_count(state); |
| 209 | |
| 210 | val = psxHwRead32(mem); |
| 211 | |
| 212 | lightrec_restore_state(state); |
| 213 | |
| 214 | return val; |
| 215 | } |
| 216 | |
| 217 | static struct lightrec_mem_map_ops hw_regs_ops = { |
| 218 | .sb = hw_write_byte, |
| 219 | .sh = hw_write_half, |
| 220 | .sw = hw_write_word, |
| 221 | .lb = hw_read_byte, |
| 222 | .lh = hw_read_half, |
| 223 | .lw = hw_read_word, |
| 224 | }; |
| 225 | |
| 226 | static u32 cache_ctrl; |
| 227 | |
| 228 | static void cache_ctrl_write_word(struct lightrec_state *state, |
| 229 | u32 op, void *host, u32 mem, u32 val) |
| 230 | { |
| 231 | cache_ctrl = val; |
| 232 | } |
| 233 | |
| 234 | static u32 cache_ctrl_read_word(struct lightrec_state *state, |
| 235 | u32 op, void *host, u32 mem) |
| 236 | { |
| 237 | return cache_ctrl; |
| 238 | } |
| 239 | |
| 240 | static struct lightrec_mem_map_ops cache_ctrl_ops = { |
| 241 | .sw = cache_ctrl_write_word, |
| 242 | .lw = cache_ctrl_read_word, |
| 243 | }; |
| 244 | |
| 245 | static struct lightrec_mem_map lightrec_map[] = { |
| 246 | [PSX_MAP_KERNEL_USER_RAM] = { |
| 247 | /* Kernel and user memory */ |
| 248 | .pc = 0x00000000, |
| 249 | .length = 0x200000, |
| 250 | }, |
| 251 | [PSX_MAP_BIOS] = { |
| 252 | /* BIOS */ |
| 253 | .pc = 0x1fc00000, |
| 254 | .length = 0x80000, |
| 255 | }, |
| 256 | [PSX_MAP_SCRATCH_PAD] = { |
| 257 | /* Scratch pad */ |
| 258 | .pc = 0x1f800000, |
| 259 | .length = 0x400, |
| 260 | }, |
| 261 | [PSX_MAP_PARALLEL_PORT] = { |
| 262 | /* Parallel port */ |
| 263 | .pc = 0x1f000000, |
| 264 | .length = 0x10000, |
| 265 | }, |
| 266 | [PSX_MAP_HW_REGISTERS] = { |
| 267 | /* Hardware registers */ |
| 268 | .pc = 0x1f801000, |
| 269 | .length = 0x2000, |
| 270 | .ops = &hw_regs_ops, |
| 271 | }, |
| 272 | [PSX_MAP_CACHE_CONTROL] = { |
| 273 | /* Cache control */ |
| 274 | .pc = 0x5ffe0130, |
| 275 | .length = 4, |
| 276 | .ops = &cache_ctrl_ops, |
| 277 | }, |
| 278 | |
| 279 | /* Mirrors of the kernel/user memory */ |
| 280 | [PSX_MAP_MIRROR1] = { |
| 281 | .pc = 0x00200000, |
| 282 | .length = 0x200000, |
| 283 | .mirror_of = &lightrec_map[PSX_MAP_KERNEL_USER_RAM], |
| 284 | }, |
| 285 | [PSX_MAP_MIRROR2] = { |
| 286 | .pc = 0x00400000, |
| 287 | .length = 0x200000, |
| 288 | .mirror_of = &lightrec_map[PSX_MAP_KERNEL_USER_RAM], |
| 289 | }, |
| 290 | [PSX_MAP_MIRROR3] = { |
| 291 | .pc = 0x00600000, |
| 292 | .length = 0x200000, |
| 293 | .mirror_of = &lightrec_map[PSX_MAP_KERNEL_USER_RAM], |
| 294 | }, |
| 295 | [PSX_MAP_CODE_BUFFER] = { |
| 296 | .length = CODE_BUFFER_SIZE, |
| 297 | }, |
| 298 | }; |
| 299 | |
| 300 | static void lightrec_enable_ram(struct lightrec_state *state, bool enable) |
| 301 | { |
| 302 | if (enable) |
| 303 | memcpy(psxM, cache_buf, sizeof(cache_buf)); |
| 304 | else |
| 305 | memcpy(cache_buf, psxM, sizeof(cache_buf)); |
| 306 | } |
| 307 | |
| 308 | static const struct lightrec_ops lightrec_ops = { |
| 309 | .cop2_op = cop2_op, |
| 310 | .enable_ram = lightrec_enable_ram, |
| 311 | }; |
| 312 | |
| 313 | static int lightrec_plugin_init(void) |
| 314 | { |
| 315 | lightrec_map[PSX_MAP_KERNEL_USER_RAM].address = psxM; |
| 316 | lightrec_map[PSX_MAP_BIOS].address = psxR; |
| 317 | lightrec_map[PSX_MAP_SCRATCH_PAD].address = psxH; |
| 318 | lightrec_map[PSX_MAP_PARALLEL_PORT].address = psxP; |
| 319 | |
| 320 | if (LIGHTREC_CUSTOM_MAP) { |
| 321 | lightrec_map[PSX_MAP_MIRROR1].address = psxM + 0x200000; |
| 322 | lightrec_map[PSX_MAP_MIRROR2].address = psxM + 0x400000; |
| 323 | lightrec_map[PSX_MAP_MIRROR3].address = psxM + 0x600000; |
| 324 | lightrec_map[PSX_MAP_CODE_BUFFER].address = code_buffer; |
| 325 | } |
| 326 | |
| 327 | lightrec_debug = !!getenv("LIGHTREC_DEBUG"); |
| 328 | lightrec_very_debug = !!getenv("LIGHTREC_VERY_DEBUG"); |
| 329 | use_lightrec_interpreter = !!getenv("LIGHTREC_INTERPRETER"); |
| 330 | if (getenv("LIGHTREC_BEGIN_CYCLES")) |
| 331 | lightrec_begin_cycles = (unsigned int) strtol( |
| 332 | getenv("LIGHTREC_BEGIN_CYCLES"), NULL, 0); |
| 333 | |
| 334 | lightrec_state = lightrec_init(name, |
| 335 | lightrec_map, ARRAY_SIZE(lightrec_map), |
| 336 | &lightrec_ops); |
| 337 | |
| 338 | // fprintf(stderr, "M=0x%lx, P=0x%lx, R=0x%lx, H=0x%lx\n", |
| 339 | // (uintptr_t) psxM, |
| 340 | // (uintptr_t) psxP, |
| 341 | // (uintptr_t) psxR, |
| 342 | // (uintptr_t) psxH); |
| 343 | |
| 344 | #ifndef _WIN32 |
| 345 | signal(SIGPIPE, exit); |
| 346 | #endif |
| 347 | return 0; |
| 348 | } |
| 349 | |
| 350 | static u32 hash_calculate_le(const void *buffer, u32 count) |
| 351 | { |
| 352 | unsigned int i; |
| 353 | u32 *data = (u32 *) buffer; |
| 354 | u32 hash = 0xffffffff; |
| 355 | |
| 356 | count /= 4; |
| 357 | for(i = 0; i < count; ++i) { |
| 358 | hash += LE32TOH(data[i]); |
| 359 | hash += (hash << 10); |
| 360 | hash ^= (hash >> 6); |
| 361 | } |
| 362 | |
| 363 | hash += (hash << 3); |
| 364 | hash ^= (hash >> 11); |
| 365 | hash += (hash << 15); |
| 366 | return hash; |
| 367 | } |
| 368 | |
| 369 | static u32 hash_calculate(const void *buffer, u32 count) |
| 370 | { |
| 371 | unsigned int i; |
| 372 | u32 *data = (u32 *) buffer; |
| 373 | u32 hash = 0xffffffff; |
| 374 | |
| 375 | count /= 4; |
| 376 | for(i = 0; i < count; ++i) { |
| 377 | hash += data[i]; |
| 378 | hash += (hash << 10); |
| 379 | hash ^= (hash >> 6); |
| 380 | } |
| 381 | |
| 382 | hash += (hash << 3); |
| 383 | hash ^= (hash >> 11); |
| 384 | hash += (hash << 15); |
| 385 | return hash; |
| 386 | } |
| 387 | |
| 388 | static const char * const mips_regs[] = { |
| 389 | "zero", |
| 390 | "at", |
| 391 | "v0", "v1", |
| 392 | "a0", "a1", "a2", "a3", |
| 393 | "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7", |
| 394 | "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7", |
| 395 | "t8", "t9", |
| 396 | "k0", "k1", |
| 397 | "gp", "sp", "fp", "ra", |
| 398 | "lo", "hi", |
| 399 | }; |
| 400 | |
| 401 | static void print_for_big_ass_debugger(void) |
| 402 | { |
| 403 | unsigned int i; |
| 404 | |
| 405 | printf("CYCLE 0x%08x PC 0x%08x", psxRegs.cycle, psxRegs.pc); |
| 406 | |
| 407 | if (lightrec_very_debug) |
| 408 | printf(" RAM 0x%08x SCRATCH 0x%08x HW 0x%08x", |
| 409 | hash_calculate_le(psxM, 0x200000), |
| 410 | hash_calculate_le(psxH, 0x400), |
| 411 | hash_calculate_le(psxH + 0x1000, 0x2000)); |
| 412 | |
| 413 | printf(" CP0 0x%08x CP2D 0x%08x CP2C 0x%08x INT 0x%04x INTCYCLE 0x%08x GPU 0x%08x", |
| 414 | hash_calculate(&psxRegs.CP0.r, |
| 415 | sizeof(psxRegs.CP0.r)), |
| 416 | hash_calculate(&psxRegs.CP2D.r, |
| 417 | sizeof(psxRegs.CP2D.r)), |
| 418 | hash_calculate(&psxRegs.CP2C.r, |
| 419 | sizeof(psxRegs.CP2C.r)), |
| 420 | psxRegs.interrupt, |
| 421 | hash_calculate(psxRegs.intCycle, |
| 422 | sizeof(psxRegs.intCycle)), |
| 423 | LE32TOH(HW_GPU_STATUS)); |
| 424 | |
| 425 | if (lightrec_very_debug) |
| 426 | for (i = 0; i < 34; i++) |
| 427 | printf(" %s 0x%08x", mips_regs[i], psxRegs.GPR.r[i]); |
| 428 | else |
| 429 | printf(" GPR 0x%08x", hash_calculate(&psxRegs.GPR.r, |
| 430 | sizeof(psxRegs.GPR.r))); |
| 431 | printf("\n"); |
| 432 | } |
| 433 | |
| 434 | static void lightrec_dump_regs(struct lightrec_state *state) |
| 435 | { |
| 436 | struct lightrec_registers *regs = lightrec_get_registers(state); |
| 437 | |
| 438 | if (unlikely(booting)) |
| 439 | memcpy(&psxRegs.GPR, regs->gpr, sizeof(regs->gpr)); |
| 440 | psxRegs.CP0.n.Status = regs->cp0[12]; |
| 441 | psxRegs.CP0.n.Cause = regs->cp0[13]; |
| 442 | } |
| 443 | |
| 444 | static void lightrec_restore_regs(struct lightrec_state *state) |
| 445 | { |
| 446 | struct lightrec_registers *regs = lightrec_get_registers(state); |
| 447 | |
| 448 | if (unlikely(booting)) |
| 449 | memcpy(regs->gpr, &psxRegs.GPR, sizeof(regs->gpr)); |
| 450 | regs->cp0[12] = psxRegs.CP0.n.Status; |
| 451 | regs->cp0[13] = psxRegs.CP0.n.Cause; |
| 452 | regs->cp0[14] = psxRegs.CP0.n.EPC; |
| 453 | } |
| 454 | |
| 455 | extern void intExecuteBlock(); |
| 456 | extern void gen_interupt(); |
| 457 | |
| 458 | static void lightrec_plugin_execute_block(void) |
| 459 | { |
| 460 | u32 old_pc = psxRegs.pc; |
| 461 | u32 flags; |
| 462 | |
| 463 | gen_interupt(); |
| 464 | |
| 465 | if (use_pcsx_interpreter) { |
| 466 | intExecuteBlock(); |
| 467 | } else { |
| 468 | lightrec_reset_cycle_count(lightrec_state, psxRegs.cycle); |
| 469 | lightrec_restore_regs(lightrec_state); |
| 470 | |
| 471 | if (unlikely(use_lightrec_interpreter)) |
| 472 | psxRegs.pc = lightrec_run_interpreter(lightrec_state, |
| 473 | psxRegs.pc); |
| 474 | // step during early boot so that 0x80030000 fastboot hack works |
| 475 | else if (unlikely(booting || lightrec_debug)) |
| 476 | psxRegs.pc = lightrec_execute_one(lightrec_state, |
| 477 | psxRegs.pc); |
| 478 | else |
| 479 | psxRegs.pc = lightrec_execute(lightrec_state, |
| 480 | psxRegs.pc, next_interupt); |
| 481 | |
| 482 | psxRegs.cycle = lightrec_current_cycle_count(lightrec_state); |
| 483 | |
| 484 | lightrec_dump_regs(lightrec_state); |
| 485 | flags = lightrec_exit_flags(lightrec_state); |
| 486 | |
| 487 | if (flags & LIGHTREC_EXIT_SEGFAULT) { |
| 488 | fprintf(stderr, "Exiting at cycle 0x%08x\n", |
| 489 | psxRegs.cycle); |
| 490 | exit(1); |
| 491 | } |
| 492 | |
| 493 | if (flags & LIGHTREC_EXIT_SYSCALL) |
| 494 | psxException(0x20, 0); |
| 495 | |
| 496 | if (booting && (psxRegs.pc & 0xff800000) == 0x80000000) |
| 497 | booting = false; |
| 498 | } |
| 499 | |
| 500 | if (lightrec_debug && psxRegs.cycle >= lightrec_begin_cycles |
| 501 | && psxRegs.pc != old_pc) |
| 502 | print_for_big_ass_debugger(); |
| 503 | |
| 504 | if ((psxRegs.CP0.n.Cause & psxRegs.CP0.n.Status & 0x300) && |
| 505 | (psxRegs.CP0.n.Status & 0x1)) { |
| 506 | /* Handle software interrupts */ |
| 507 | psxRegs.CP0.n.Cause &= ~0x7c; |
| 508 | psxException(psxRegs.CP0.n.Cause, 0); |
| 509 | } |
| 510 | } |
| 511 | |
| 512 | static void lightrec_plugin_execute(void) |
| 513 | { |
| 514 | extern int stop; |
| 515 | |
| 516 | while (!stop) |
| 517 | lightrec_plugin_execute_block(); |
| 518 | } |
| 519 | |
| 520 | static void lightrec_plugin_clear(u32 addr, u32 size) |
| 521 | { |
| 522 | if (addr == 0 && size == UINT32_MAX) |
| 523 | lightrec_invalidate_all(lightrec_state); |
| 524 | else |
| 525 | /* size * 4: PCSX uses DMA units */ |
| 526 | lightrec_invalidate(lightrec_state, addr, size * 4); |
| 527 | } |
| 528 | |
| 529 | static void lightrec_plugin_notify(int note, void *data) |
| 530 | { |
| 531 | /* |
| 532 | To change once proper icache emulation is emulated |
| 533 | switch (note) |
| 534 | { |
| 535 | case R3000ACPU_NOTIFY_CACHE_UNISOLATED: |
| 536 | lightrec_plugin_clear(0, 0x200000/4); |
| 537 | break; |
| 538 | case R3000ACPU_NOTIFY_CACHE_ISOLATED: |
| 539 | // Sent from psxDma3(). |
| 540 | case R3000ACPU_NOTIFY_DMA3_EXE_LOAD: |
| 541 | default: |
| 542 | break; |
| 543 | }*/ |
| 544 | } |
| 545 | |
| 546 | static void lightrec_plugin_apply_config() |
| 547 | { |
| 548 | } |
| 549 | |
| 550 | static void lightrec_plugin_shutdown(void) |
| 551 | { |
| 552 | lightrec_destroy(lightrec_state); |
| 553 | } |
| 554 | |
| 555 | static void lightrec_plugin_reset(void) |
| 556 | { |
| 557 | struct lightrec_registers *regs; |
| 558 | |
| 559 | lightrec_plugin_shutdown(); |
| 560 | lightrec_plugin_init(); |
| 561 | |
| 562 | regs = lightrec_get_registers(lightrec_state); |
| 563 | |
| 564 | regs->cp0[12] = 0x10900000; // COP0 enabled | BEV = 1 | TS = 1 |
| 565 | regs->cp0[15] = 0x00000002; // PRevID = Revision ID, same as R3000A |
| 566 | |
| 567 | booting = true; |
| 568 | } |
| 569 | |
| 570 | void lightrec_plugin_prepare_load_state(void) |
| 571 | { |
| 572 | struct lightrec_registers *regs; |
| 573 | |
| 574 | regs = lightrec_get_registers(lightrec_state); |
| 575 | memcpy(regs->cp2d, &psxRegs.CP2, sizeof(regs->cp2d) + sizeof(regs->cp2c)); |
| 576 | memcpy(regs->cp0, &psxRegs.CP0, sizeof(regs->cp0)); |
| 577 | memcpy(regs->gpr, &psxRegs.GPR, sizeof(regs->gpr)); |
| 578 | |
| 579 | lightrec_invalidate_all(lightrec_state); |
| 580 | } |
| 581 | |
| 582 | void lightrec_plugin_prepare_save_state(void) |
| 583 | { |
| 584 | struct lightrec_registers *regs; |
| 585 | |
| 586 | regs = lightrec_get_registers(lightrec_state); |
| 587 | memcpy(&psxRegs.CP2, regs->cp2d, sizeof(regs->cp2d) + sizeof(regs->cp2c)); |
| 588 | memcpy(&psxRegs.CP0, regs->cp0, sizeof(regs->cp0)); |
| 589 | memcpy(&psxRegs.GPR, regs->gpr, sizeof(regs->gpr)); |
| 590 | } |
| 591 | |
| 592 | R3000Acpu psxRec = |
| 593 | { |
| 594 | lightrec_plugin_init, |
| 595 | lightrec_plugin_reset, |
| 596 | lightrec_plugin_execute, |
| 597 | lightrec_plugin_execute_block, |
| 598 | lightrec_plugin_clear, |
| 599 | lightrec_plugin_notify, |
| 600 | lightrec_plugin_apply_config, |
| 601 | lightrec_plugin_shutdown, |
| 602 | }; |