From 679d5ee3c46235923a99391922de1df0239e9ff3 Mon Sep 17 00:00:00 2001 From: notaz Date: Sun, 9 Jul 2023 00:09:24 +0300 Subject: [PATCH] clean up cache isolation handling also ari64 drc now handles unmapped io same as interpreter --- libpcsxcore/new_dynarec/emu_if.c | 19 ++-- libpcsxcore/new_dynarec/linkage_offsets.h | 6 +- libpcsxcore/new_dynarec/pcsxmem.c | 100 +++++++++++++--------- libpcsxcore/new_dynarec/pcsxmem.h | 3 +- libpcsxcore/psxinterpreter.c | 6 +- libpcsxcore/psxmem.c | 66 ++++++-------- libpcsxcore/psxmem.h | 1 + libpcsxcore/r3000a.h | 2 + 8 files changed, 105 insertions(+), 98 deletions(-) diff --git a/libpcsxcore/new_dynarec/emu_if.c b/libpcsxcore/new_dynarec/emu_if.c index 33319ba6..aac9f78c 100644 --- a/libpcsxcore/new_dynarec/emu_if.c +++ b/libpcsxcore/new_dynarec/emu_if.c @@ -370,19 +370,15 @@ static void ari64_clear(u32 addr, u32 size) } static void ari64_notify(int note, void *data) { - /* - Should be fixed when ARM dynarec has proper icache emulation. switch (note) { - case R3000ACPU_NOTIFY_CACHE_UNISOLATED: - break; - case R3000ACPU_NOTIFY_CACHE_ISOLATED: - Sent from psxDma3(). - case R3000ACPU_NOTIFY_DMA3_EXE_LOAD: - default: - break; + case R3000ACPU_NOTIFY_CACHE_UNISOLATED: + case R3000ACPU_NOTIFY_CACHE_ISOLATED: + new_dyna_pcsx_mem_isolate(note == R3000ACPU_NOTIFY_CACHE_ISOLATED); + break; + default: + break; } - */ } static void ari64_apply_config() @@ -430,7 +426,7 @@ int new_dynarec_hacks_old; int new_dynarec_hacks; void *psxH_ptr; void *zeromem_ptr; -u8 zero_mem[0x1000]; +u32 zero_mem[0x1000/4]; void *mem_rtab; void *scratch_buf_ptr; void new_dynarec_init() {} @@ -442,6 +438,7 @@ void new_dynarec_invalidate_range(unsigned int start, unsigned int end) {} void new_dyna_pcsx_mem_init(void) {} void new_dyna_pcsx_mem_reset(void) {} void new_dyna_pcsx_mem_load_state(void) {} +void new_dyna_pcsx_mem_isolate(int enable) {} void new_dyna_pcsx_mem_shutdown(void) {} int new_dynarec_save_blocks(void *save, int size) { return 0; } void new_dynarec_load_blocks(const void *save, int size) {} diff --git a/libpcsxcore/new_dynarec/linkage_offsets.h b/libpcsxcore/new_dynarec/linkage_offsets.h index 0c189d78..23935b87 100644 --- a/libpcsxcore/new_dynarec/linkage_offsets.h +++ b/libpcsxcore/new_dynarec/linkage_offsets.h @@ -24,8 +24,10 @@ #define LO_intCycle (LO_interrupt + 4) #define LO_gteBusyCycle (LO_intCycle + 256) #define LO_muldivBusyCycle (LO_gteBusyCycle + 4) -#define LO_psxRegs_reserved (LO_muldivBusyCycle + 4) -#define LO_psxRegs_end (LO_psxRegs_reserved + 4*2) +#define LO_psxRegs_subCycle (LO_muldivBusyCycle + 4) +#define LO_psxRegs_biuReg (LO_psxRegs_subCycle + 4*2) +#define LO_psxRegs_reserved (LO_psxRegs_biuReg + 4) +#define LO_psxRegs_end (LO_psxRegs_reserved + 4*3) #define LO_rcnts (LO_psxRegs_end) #define LO_rcnts_end (LO_rcnts + 7*4*4) #define LO_inv_code_start (LO_rcnts_end) diff --git a/libpcsxcore/new_dynarec/pcsxmem.c b/libpcsxcore/new_dynarec/pcsxmem.c index a32b4183..8057b7ed 100644 --- a/libpcsxcore/new_dynarec/pcsxmem.c +++ b/libpcsxcore/new_dynarec/pcsxmem.c @@ -26,6 +26,7 @@ static uintptr_t *mem_readtab; static uintptr_t *mem_writetab; static uintptr_t mem_iortab[(1+2+4) * 0x1000 / 4]; static uintptr_t mem_iowtab[(1+2+4) * 0x1000 / 4]; +static uintptr_t mem_ffrtab[(1+2+4) * 0x1000 / 4]; static uintptr_t mem_ffwtab[(1+2+4) * 0x1000 / 4]; //static uintptr_t mem_unmrtab[(1+2+4) * 0x1000 / 4]; static uintptr_t mem_unmwtab[(1+2+4) * 0x1000 / 4]; @@ -47,23 +48,28 @@ void map_item(uintptr_t *out, const void *h, uintptr_t flag) // size must be power of 2, at least 4k #define map_l1_mem(tab, i, addr, size, base) \ - map_item(&tab[((addr)>>12) + i], \ + map_item(&tab[((u32)(addr) >> 12) + i], \ (u8 *)(base) - (u32)((addr) + ((i << 12) & ~(size - 1))), 0) #define IOMEM32(a) (((a) & 0xfff) / 4) #define IOMEM16(a) (0x1000/4 + (((a) & 0xfff) / 2)) #define IOMEM8(a) (0x1000/4 + 0x1000/2 + ((a) & 0xfff)) -u8 zero_mem[0x1000]; +u32 zero_mem[0x1000/4]; +static u32 ffff_mem[0x1000/4]; -u32 read_mem_dummy() +static u32 read_mem_dummy(u32 addr) { - return 0; + // use 'addr' and not 'address', yes the api is weird... + memprintf("unmapped r %08x @%08x %u\n", addr, psxRegs.pc, psxRegs.cycle); + return 0xffffffff; } static void write_mem_dummy(u32 data) { - memprintf("unmapped w %08x, %08x @%08x %u\n", address, data, psxRegs.pc, psxRegs.cycle); + if (!(psxRegs.CP0.n.Status & (1 << 16))) + memprintf("unmapped w %08x, %08x @%08x %u\n", + address, data, psxRegs.pc, psxRegs.cycle); } /* IO handlers */ @@ -240,46 +246,51 @@ static void io_gpu_write_status(u32 value) gpuSyncPluginSR(); } -static void map_ram_write(void) +void new_dyna_pcsx_mem_isolate(int enable) { int i; - for (i = 0; i < (0x800000 >> 12); i++) { - map_l1_mem(mem_writetab, i, 0x80000000, 0x200000, psxM); - map_l1_mem(mem_writetab, i, 0x00000000, 0x200000, psxM); - map_l1_mem(mem_writetab, i, 0xa0000000, 0x200000, psxM); + // note: apparently 0xa0000000 uncached access still works, + // at least read does for sure, so assume write does too + memprintf("mem isolate %d\n", enable); + if (enable) { + for (i = 0; i < (0x800000 >> 12); i++) { + map_item(&mem_writetab[0x80000|i], mem_unmwtab, 1); + map_item(&mem_writetab[0x00000|i], mem_unmwtab, 1); + //map_item(&mem_writetab[0xa0000|i], mem_unmwtab, 1); + } + } + else { + for (i = 0; i < (0x800000 >> 12); i++) { + map_l1_mem(mem_writetab, i, 0x80000000, 0x200000, psxM); + map_l1_mem(mem_writetab, i, 0x00000000, 0x200000, psxM); + map_l1_mem(mem_writetab, i, 0xa0000000, 0x200000, psxM); + } } } -static void unmap_ram_write(void) +static u32 read_biu(u32 addr) { - int i; - - for (i = 0; i < (0x800000 >> 12); i++) { - map_item(&mem_writetab[0x80000|i], mem_unmwtab, 1); - map_item(&mem_writetab[0x00000|i], mem_unmwtab, 1); - map_item(&mem_writetab[0xa0000|i], mem_unmwtab, 1); - } + if (addr != 0xfffe0130) + return read_mem_dummy(addr); + + FILE *f = fopen("/tmp/psxbiu.bin", "wb"); + fwrite(psxM, 1, 0x200000, f); + fclose(f); + memprintf("read_biu %08x @%08x %u\n", + psxRegs.biuReg, psxRegs.pc, psxRegs.cycle); + return psxRegs.biuReg; } static void write_biu(u32 value) { - memprintf("write_biu %08x, %08x @%08x %u\n", address, value, psxRegs.pc, psxRegs.cycle); - - if (address != 0xfffe0130) + if (address != 0xfffe0130) { + write_mem_dummy(value); return; - - switch (value) { - case 0x800: case 0x804: - unmap_ram_write(); - break; - case 0: case 0x1e988: - map_ram_write(); - break; - default: - printf("write_biu: unexpected val: %08x\n", value); - break; } + + memprintf("write_biu %08x @%08x %u\n", value, psxRegs.pc, psxRegs.cycle); + psxRegs.biuReg = value; } void new_dyna_pcsx_mem_load_state(void) @@ -302,6 +313,8 @@ void new_dyna_pcsx_mem_init(void) { int i; + memset(ffff_mem, 0xff, sizeof(ffff_mem)); + // have to map these further to keep tcache close to .text mem_readtab = psxMap(0x08000000, 0x200000 * sizeof(mem_readtab[0]), 0, MAP_TAG_LUTS); if (mem_readtab == NULL) { @@ -320,7 +333,7 @@ void new_dyna_pcsx_mem_init(void) // default/unmapped memhandlers for (i = 0; i < 0x100000; i++) { //map_item(&mem_readtab[i], mem_unmrtab, 1); - map_l1_mem(mem_readtab, i, 0, 0x1000, zero_mem); + map_l1_mem(mem_readtab, i, 0, 0x1000, ffff_mem); map_item(&mem_writetab[i], mem_unmwtab, 1); } @@ -330,7 +343,7 @@ void new_dyna_pcsx_mem_init(void) map_l1_mem(mem_readtab, i, 0x00000000, 0x200000, psxM); map_l1_mem(mem_readtab, i, 0xa0000000, 0x200000, psxM); } - map_ram_write(); + new_dyna_pcsx_mem_isolate(0); // BIOS and it's mirrors for (i = 0; i < (0x80000 >> 12); i++) { @@ -345,12 +358,12 @@ void new_dyna_pcsx_mem_init(void) map_l1_mem(mem_writetab, 0, 0x9f800000, 0x1000, psxH); // I/O - map_item(&mem_readtab[0x1f801000 >> 12], mem_iortab, 1); - map_item(&mem_readtab[0x9f801000 >> 12], mem_iortab, 1); - map_item(&mem_readtab[0xbf801000 >> 12], mem_iortab, 1); - map_item(&mem_writetab[0x1f801000 >> 12], mem_iowtab, 1); - map_item(&mem_writetab[0x9f801000 >> 12], mem_iowtab, 1); - map_item(&mem_writetab[0xbf801000 >> 12], mem_iowtab, 1); + map_item(&mem_readtab[0x1f801000u >> 12], mem_iortab, 1); + map_item(&mem_readtab[0x9f801000u >> 12], mem_iortab, 1); + map_item(&mem_readtab[0xbf801000u >> 12], mem_iortab, 1); + map_item(&mem_writetab[0x1f801000u >> 12], mem_iowtab, 1); + map_item(&mem_writetab[0x9f801000u >> 12], mem_iowtab, 1); + map_item(&mem_writetab[0xbf801000u >> 12], mem_iowtab, 1); // L2 // unmapped tables @@ -461,9 +474,12 @@ void new_dyna_pcsx_mem_init(void) } // misc - map_item(&mem_writetab[0xfffe0130 >> 12], mem_ffwtab, 1); - for (i = 0; i < 0x1000/4 + 0x1000/2 + 0x1000; i++) + map_item(&mem_readtab[0xfffe0130u >> 12], mem_ffrtab, 1); + map_item(&mem_writetab[0xfffe0130u >> 12], mem_ffwtab, 1); + for (i = 0; i < 0x1000/4 + 0x1000/2 + 0x1000; i++) { + map_item(&mem_ffrtab[i], read_biu, 1); map_item(&mem_ffwtab[i], write_biu, 1); + } mem_rtab = mem_readtab; mem_wtab = mem_writetab; diff --git a/libpcsxcore/new_dynarec/pcsxmem.h b/libpcsxcore/new_dynarec/pcsxmem.h index 72892a8e..7f8283d1 100644 --- a/libpcsxcore/new_dynarec/pcsxmem.h +++ b/libpcsxcore/new_dynarec/pcsxmem.h @@ -1,9 +1,10 @@ -extern u8 zero_mem[0x1000]; +extern u32 zero_mem[0x1000/4]; void new_dyna_pcsx_mem_init(void); void new_dyna_pcsx_mem_reset(void); void new_dyna_pcsx_mem_load_state(void); +void new_dyna_pcsx_mem_isolate(int enable); void new_dyna_pcsx_mem_shutdown(void); int pcsxmem_is_handler_dynamic(unsigned int addr); diff --git a/libpcsxcore/psxinterpreter.c b/libpcsxcore/psxinterpreter.c index 3d083645..9ece259c 100644 --- a/libpcsxcore/psxinterpreter.c +++ b/libpcsxcore/psxinterpreter.c @@ -911,7 +911,9 @@ void MTC0(psxRegisters *regs_, int reg, u32 val) { // SysPrintf("MTC0 %d: %x\n", reg, val); switch (reg) { case 12: // Status - regs_->CP0.r[12] = val; + if ((regs_->CP0.n.Status ^ val) & (1 << 16)) + psxMemOnIsolate((val >> 16) & 1); + regs_->CP0.n.Status = val; psxTestSWInts(regs_); break; @@ -1114,7 +1116,7 @@ static void intClear(u32 Addr, u32 Size) { } void intNotify (int note, void *data) { - /* Gameblabla - Only clear the icache if it's isolated */ + /* Armored Core won't boot without this */ if (note == R3000ACPU_NOTIFY_CACHE_ISOLATED) { memset(&ICache, 0xff, sizeof(ICache)); diff --git a/libpcsxcore/psxmem.c b/libpcsxcore/psxmem.c index 37a0efd0..fb48f77b 100644 --- a/libpcsxcore/psxmem.c +++ b/libpcsxcore/psxmem.c @@ -195,8 +195,8 @@ int psxMemInit(void) return -1; } - memset(psxMemRLUT, (uintptr_t)INVALID_PTR, 0x10000 * sizeof(void *)); - memset(psxMemWLUT, (uintptr_t)INVALID_PTR, 0x10000 * sizeof(void *)); + memset(psxMemRLUT, (int)(uintptr_t)INVALID_PTR, 0x10000 * sizeof(void *)); + memset(psxMemWLUT, (int)(uintptr_t)INVALID_PTR, 0x10000 * sizeof(void *)); // MemR for (i = 0; i < 0x80; i++) psxMemRLUT[i + 0x0000] = (u8 *)&psxM[(i & 0x1f) << 16]; @@ -265,7 +265,22 @@ void psxMemShutdown() { free(psxMemWLUT); psxMemWLUT = NULL; } -static int writeok = 1; +void psxMemOnIsolate(int enable) +{ + if (enable) { + memset(psxMemWLUT + 0x0000, (int)(uintptr_t)INVALID_PTR, 0x80 * sizeof(void *)); + memset(psxMemWLUT + 0x8000, (int)(uintptr_t)INVALID_PTR, 0x80 * sizeof(void *)); + //memset(psxMemWLUT + 0xa000, (int)(uintptr_t)INVALID_PTR, 0x80 * sizeof(void *)); + } else { + int i; + for (i = 0; i < 0x80; i++) + psxMemWLUT[i + 0x0000] = (void *)&psxM[(i & 0x1f) << 16]; + memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *)); + memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *)); + } + psxCpu->Notify(enable ? R3000ACPU_NOTIFY_CACHE_ISOLATED + : R3000ACPU_NOTIFY_CACHE_UNISOLATED, NULL); +} u8 psxMemRead8(u32 mem) { char *p; @@ -334,8 +349,10 @@ u32 psxMemRead32(u32 mem) { DebugCheckBP((mem & 0xffffff) | 0x80000000, R4); return SWAPu32(*(u32 *)(p + (mem & 0xffff))); } else { + if (mem == 0xfffe0130) + return psxRegs.biuReg; #ifdef PSXMEM_LOG - if (writeok) { PSXMEM_LOG("err lw %8.8lx\n", mem); } + PSXMEM_LOG("err lw %8.8lx\n", mem); #endif return 0xFFFFFFFF; } @@ -417,44 +434,13 @@ void psxMemWrite32(u32 mem, u32 value) { psxCpu->Clear(mem, 1); #endif } else { - if (mem != 0xfffe0130) { -#ifndef DRC_DISABLE - if (!writeok) - psxCpu->Clear(mem, 1); -#endif - -#ifdef PSXMEM_LOG - if (writeok) { PSXMEM_LOG("err sw %8.8lx\n", mem); } -#endif - } else { - int i; - - switch (value) { - case 0x800: case 0x804: - if (writeok == 0) break; - writeok = 0; - memset(psxMemWLUT + 0x0000, (uintptr_t)INVALID_PTR, 0x80 * sizeof(void *)); - memset(psxMemWLUT + 0x8000, (uintptr_t)INVALID_PTR, 0x80 * sizeof(void *)); - memset(psxMemWLUT + 0xa000, (uintptr_t)INVALID_PTR, 0x80 * sizeof(void *)); - /* Required for icache interpreter otherwise Armored Core won't boot on icache interpreter */ - psxCpu->Notify(R3000ACPU_NOTIFY_CACHE_ISOLATED, NULL); - break; - case 0x00: case 0x1e988: - if (writeok == 1) break; - writeok = 1; - for (i = 0; i < 0x80; i++) psxMemWLUT[i + 0x0000] = (void *)&psxM[(i & 0x1f) << 16]; - memcpy(psxMemWLUT + 0x8000, psxMemWLUT, 0x80 * sizeof(void *)); - memcpy(psxMemWLUT + 0xa000, psxMemWLUT, 0x80 * sizeof(void *)); - /* Dynarecs might take this opportunity to flush their code cache */ - psxCpu->Notify(R3000ACPU_NOTIFY_CACHE_UNISOLATED, NULL); - break; - default: + if (mem == 0xfffe0130) { + psxRegs.biuReg = value; + return; + } #ifdef PSXMEM_LOG - PSXMEM_LOG("unk %8.8lx = %x\n", mem, value); + PSXMEM_LOG("err sw %8.8lx\n", mem); #endif - break; - } - } } } } diff --git a/libpcsxcore/psxmem.h b/libpcsxcore/psxmem.h index 14ff0033..129973cf 100644 --- a/libpcsxcore/psxmem.h +++ b/libpcsxcore/psxmem.h @@ -127,6 +127,7 @@ extern u8 **psxMemRLUT; int psxMemInit(); void psxMemReset(); +void psxMemOnIsolate(int enable); void psxMemShutdown(); u8 psxMemRead8 (u32 mem); diff --git a/libpcsxcore/r3000a.h b/libpcsxcore/r3000a.h index a052a59a..6973afe8 100644 --- a/libpcsxcore/r3000a.h +++ b/libpcsxcore/r3000a.h @@ -192,6 +192,8 @@ typedef struct { u32 muldivBusyCycle; u32 subCycle; /* interpreter cycle counting */ u32 subCycleStep; + u32 biuReg; + u32 reserved[3]; // warning: changing anything in psxRegisters requires update of all // asm in libpcsxcore/new_dynarec/ } psxRegisters; -- 2.39.2