X-Git-Url: https://notaz.gp2x.de/cgi-bin/gitweb.cgi?a=blobdiff_plain;f=libpcsxcore%2Flightrec%2Fplugin.c;h=22342fef94838eaf67b22d143be450fb9e0a4f7a;hb=909bfa63d2b065893bfaf2fa2e4491eb1410db9d;hp=16770a707da3757f0ae381faf16e5f345fee2a30;hpb=3569821141fcc25a47b5d6942d219b659aba5547;p=pcsx_rearmed.git diff --git a/libpcsxcore/lightrec/plugin.c b/libpcsxcore/lightrec/plugin.c index 16770a70..22342fef 100644 --- a/libpcsxcore/lightrec/plugin.c +++ b/libpcsxcore/lightrec/plugin.c @@ -1,10 +1,15 @@ #include +#include #include #include #include #include #include +#if P_HAVE_MMAP +#include +#endif + #include "../cdrom.h" #include "../gpu.h" #include "../gte.h" @@ -14,7 +19,8 @@ #include "../psxmem.h" #include "../r3000a.h" #include "../psxinterpreter.h" -#include "../new_dynarec/events.h" +#include "../psxhle.h" +#include "../psxevents.h" #include "../frontend/main.h" @@ -50,6 +56,8 @@ psxRegisters psxRegs; Rcnt rcnts[4]; +void* code_buffer; + static struct lightrec_state *lightrec_state; static char *name = "retroarch.exe"; @@ -57,8 +65,8 @@ static char *name = "retroarch.exe"; static bool use_lightrec_interpreter; static bool use_pcsx_interpreter; static bool block_stepping; -static u32 cycle_mult_to_pcsx; // 22.10 fractional -static u32 cycle_mult_from_pcsx; + +extern u32 lightrec_hacks; enum my_cp2_opcodes { OP_CP2_RTPS = 0x01, @@ -137,15 +145,9 @@ static bool has_interrupt(void) (regs->cp0[12] & regs->cp0[13] & 0x0300); } -static u32 cycles_pcsx_to_lightrec(u32 c) -{ - assert((u64)c * cycle_mult_from_pcsx <= (u32)-1); - return c * cycle_mult_from_pcsx >> 10; -} - static void lightrec_tansition_to_pcsx(struct lightrec_state *state) { - psxRegs.cycle += lightrec_current_cycle_count(state) * cycle_mult_to_pcsx >> 10; + psxRegs.cycle += lightrec_current_cycle_count(state) / 1024; lightrec_reset_cycle_count(state, 0); } @@ -156,13 +158,12 @@ static void lightrec_tansition_from_pcsx(struct lightrec_state *state) if (block_stepping || cycles_left <= 0 || has_interrupt()) lightrec_set_exit_flags(state, LIGHTREC_EXIT_CHECK_INTERRUPT); else { - lightrec_set_target_cycle_count(state, - cycles_pcsx_to_lightrec(cycles_left)); + lightrec_set_target_cycle_count(state, cycles_left * 1024); } } static void hw_write_byte(struct lightrec_state *state, - u32 op, void *host, u32 mem, u8 val) + u32 op, void *host, u32 mem, u32 val) { lightrec_tansition_to_pcsx(state); @@ -172,7 +173,7 @@ static void hw_write_byte(struct lightrec_state *state, } static void hw_write_half(struct lightrec_state *state, - u32 op, void *host, u32 mem, u16 val) + u32 op, void *host, u32 mem, u32 val) { lightrec_tansition_to_pcsx(state); @@ -284,7 +285,7 @@ static struct lightrec_mem_map lightrec_map[] = { [PSX_MAP_HW_REGISTERS] = { /* Hardware registers */ .pc = 0x1f801000, - .length = 0x2000, + .length = 0x8000, .ops = &hw_regs_ops, }, [PSX_MAP_CACHE_CONTROL] = { @@ -310,6 +311,15 @@ static struct lightrec_mem_map lightrec_map[] = { .length = 0x200000, .mirror_of = &lightrec_map[PSX_MAP_KERNEL_USER_RAM], }, + + /* Mirror of the parallel port. Only used by the PS2/PS3 BIOS */ + [PSX_MAP_PPORT_MIRROR] = { + .pc = 0x1fa00000, + .length = 0x10000, + .mirror_of = &lightrec_map[PSX_MAP_PARALLEL_PORT], + }, + + /* Code buffer */ [PSX_MAP_CODE_BUFFER] = { .length = CODE_BUFFER_SIZE, }, @@ -432,13 +442,28 @@ static int lightrec_plugin_init(void) lightrec_map[PSX_MAP_HW_REGISTERS].address = psxH + 0x1000; lightrec_map[PSX_MAP_PARALLEL_PORT].address = psxP; + if (!LIGHTREC_CUSTOM_MAP) { +#if P_HAVE_MMAP + code_buffer = mmap(0, CODE_BUFFER_SIZE, + PROT_EXEC | PROT_READ | PROT_WRITE, + MAP_PRIVATE | MAP_ANONYMOUS, -1, 0); + if (code_buffer == MAP_FAILED) + return -ENOMEM; +#else + code_buffer = malloc(CODE_BUFFER_SIZE); + if (!code_buffer) + return -ENOMEM; +#endif + } + if (LIGHTREC_CUSTOM_MAP) { lightrec_map[PSX_MAP_MIRROR1].address = psxM + 0x200000; lightrec_map[PSX_MAP_MIRROR2].address = psxM + 0x400000; lightrec_map[PSX_MAP_MIRROR3].address = psxM + 0x600000; - lightrec_map[PSX_MAP_CODE_BUFFER].address = code_buffer; } + lightrec_map[PSX_MAP_CODE_BUFFER].address = code_buffer; + use_lightrec_interpreter = !!getenv("LIGHTREC_INTERPRETER"); lightrec_state = lightrec_init(name, @@ -457,6 +482,9 @@ static int lightrec_plugin_init(void) return 0; } +static void lightrec_plugin_sync_regs_to_pcsx(bool need_cp2); +static void lightrec_plugin_sync_regs_from_pcsx(bool need_cp2); + static void lightrec_plugin_execute_internal(bool block_only) { struct lightrec_registers *regs; @@ -464,6 +492,9 @@ static void lightrec_plugin_execute_internal(bool block_only) regs = lightrec_get_registers(lightrec_state); gen_interupt((psxCP0Regs *)regs->cp0); + if (!block_only && stop) + return; + cycles_pcsx = next_interupt - psxRegs.cycle; assert((s32)cycles_pcsx > 0); @@ -475,7 +506,7 @@ static void lightrec_plugin_execute_internal(bool block_only) if (use_pcsx_interpreter) { intExecuteBlock(0); } else { - u32 cycles_lightrec = cycles_pcsx_to_lightrec(cycles_pcsx); + u32 cycles_lightrec = cycles_pcsx * 1024; if (unlikely(use_lightrec_interpreter)) { psxRegs.pc = lightrec_run_interpreter(lightrec_state, psxRegs.pc, @@ -496,7 +527,20 @@ static void lightrec_plugin_execute_internal(bool block_only) } if (flags & LIGHTREC_EXIT_SYSCALL) - psxException(0x20, 0, (psxCP0Regs *)regs->cp0); + psxException(R3000E_Syscall << 2, 0, (psxCP0Regs *)regs->cp0); + if (flags & LIGHTREC_EXIT_BREAK) + psxException(R3000E_Bp << 2, 0, (psxCP0Regs *)regs->cp0); + else if (flags & LIGHTREC_EXIT_UNKNOWN_OP) { + u32 op = intFakeFetch(psxRegs.pc); + u32 hlec = op & 0x03ffffff; + if ((op >> 26) == 0x3b && hlec < ARRAY_SIZE(psxHLEt) && Config.HLE) { + lightrec_plugin_sync_regs_to_pcsx(0); + psxHLEt[hlec](); + lightrec_plugin_sync_regs_from_pcsx(0); + } + else + psxException(R3000E_RI << 2, 0, (psxCP0Regs *)regs->cp0); + } } if ((regs->cp0[13] & regs->cp0[12] & 0x300) && (regs->cp0[12] & 0x1)) { @@ -508,8 +552,6 @@ static void lightrec_plugin_execute_internal(bool block_only) static void lightrec_plugin_execute(void) { - extern int stop; - while (!stop) lightrec_plugin_execute_internal(false); } @@ -528,9 +570,6 @@ static void lightrec_plugin_clear(u32 addr, u32 size) lightrec_invalidate(lightrec_state, addr, size * 4); } -static void lightrec_plugin_sync_regs_to_pcsx(void); -static void lightrec_plugin_sync_regs_from_pcsx(void); - static void lightrec_plugin_notify(enum R3000Anote note, void *data) { switch (note) @@ -540,10 +579,13 @@ static void lightrec_plugin_notify(enum R3000Anote note, void *data) /* not used, lightrec calls lightrec_enable_ram() instead */ break; case R3000ACPU_NOTIFY_BEFORE_SAVE: - lightrec_plugin_sync_regs_to_pcsx(); + /* non-null 'data' means this is HLE related sync */ + lightrec_plugin_sync_regs_to_pcsx(data == NULL); break; case R3000ACPU_NOTIFY_AFTER_LOAD: - lightrec_plugin_sync_regs_from_pcsx(); + lightrec_plugin_sync_regs_from_pcsx(data == NULL); + if (data == NULL) + lightrec_invalidate_all(lightrec_state); break; } } @@ -553,13 +595,21 @@ static void lightrec_plugin_apply_config() u32 cycle_mult = Config.cycle_multiplier_override && Config.cycle_multiplier == CYCLE_MULT_DEFAULT ? Config.cycle_multiplier_override : Config.cycle_multiplier; assert(cycle_mult); - cycle_mult_to_pcsx = (cycle_mult * 1024 + 199) / 200; - cycle_mult_from_pcsx = (200 * 1024 + cycle_mult/2) / cycle_mult; + + lightrec_set_cycles_per_opcode(lightrec_state, cycle_mult * 1024 / 100); } static void lightrec_plugin_shutdown(void) { lightrec_destroy(lightrec_state); + + if (!LIGHTREC_CUSTOM_MAP) { +#if P_HAVE_MMAP + munmap(code_buffer, CODE_BUFFER_SIZE); +#else + free(code_buffer); +#endif + } } static void lightrec_plugin_reset(void) @@ -576,28 +626,30 @@ static void lightrec_plugin_reset(void) regs->cp0[12] = 0x10900000; // COP0 enabled | BEV = 1 | TS = 1 regs->cp0[15] = 0x00000002; // PRevID = Revision ID, same as R3000A + + lightrec_set_unsafe_opt_flags(lightrec_state, lightrec_hacks); } -static void lightrec_plugin_sync_regs_from_pcsx(void) +static void lightrec_plugin_sync_regs_from_pcsx(bool need_cp2) { struct lightrec_registers *regs; regs = lightrec_get_registers(lightrec_state); - memcpy(regs->cp2d, &psxRegs.CP2, sizeof(regs->cp2d) + sizeof(regs->cp2c)); - memcpy(regs->cp0, &psxRegs.CP0, sizeof(regs->cp0)); memcpy(regs->gpr, &psxRegs.GPR, sizeof(regs->gpr)); - - lightrec_invalidate_all(lightrec_state); + memcpy(regs->cp0, &psxRegs.CP0, sizeof(regs->cp0)); + if (need_cp2) + memcpy(regs->cp2d, &psxRegs.CP2, sizeof(regs->cp2d) + sizeof(regs->cp2c)); } -static void lightrec_plugin_sync_regs_to_pcsx(void) +static void lightrec_plugin_sync_regs_to_pcsx(bool need_cp2) { struct lightrec_registers *regs; regs = lightrec_get_registers(lightrec_state); - memcpy(&psxRegs.CP2, regs->cp2d, sizeof(regs->cp2d) + sizeof(regs->cp2c)); - memcpy(&psxRegs.CP0, regs->cp0, sizeof(regs->cp0)); memcpy(&psxRegs.GPR, regs->gpr, sizeof(regs->gpr)); + memcpy(&psxRegs.CP0, regs->cp0, sizeof(regs->cp0)); + if (need_cp2) + memcpy(&psxRegs.CP2, regs->cp2d, sizeof(regs->cp2d) + sizeof(regs->cp2c)); } R3000Acpu psxRec =