From 6ab0992ecfe714cb31f67038c4d5c92ab23204a9 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Francisco=20Jos=C3=A9=20Garc=C3=ADa=20Garc=C3=ADa?= Date: Mon, 8 Aug 2016 00:31:21 +0200 Subject: [PATCH] (VITA) Dynarec WIP --- arm/arm_emit.h | 21 +++++++++++++++------ cpu.h | 5 +++++ cpu_threaded.c | 33 +++++++++++++++++++++++++++------ libretro.c | 45 +++++++++++++++++++++++++++++++++++++++++++++ 4 files changed, 92 insertions(+), 12 deletions(-) diff --git a/arm/arm_emit.h b/arm/arm_emit.h index db894d1..bfd1c49 100644 --- a/arm/arm_emit.h +++ b/arm/arm_emit.h @@ -21,7 +21,10 @@ #define ARM_EMIT_H #include "arm_codegen.h" - +#if defined(VITA) +#define VITA_RW_INIT sceKernelOpenVMDomain +#define VITA_RW_END sceKernelCloseVMDomain +#endif u32 arm_update_gba_arm(u32 pc); u32 arm_update_gba_thumb(u32 pc); u32 arm_update_gba_idle_arm(u32 pc); @@ -46,9 +49,11 @@ void execute_swi_thumb(u32 pc); void execute_store_u32_safe(u32 address, u32 source); #define write32(value) \ + VITA_RW_INIT(); \ *((u32 *)translation_ptr) = value; \ - translation_ptr += 4 \ - + translation_ptr += 4; \ + VITA_RW_END() \ + #define arm_relative_offset(source, offset) \ (((((u32)offset - (u32)source) - 8) >> 2) & 0xFFFFFF) \ @@ -404,12 +409,17 @@ u32 arm_disect_imm_32bit(u32 imm, u32 *stores, u32 *rotations) cycle_count = 0 \ #define generate_branch_patch_conditional(dest, offset) \ + VITA_RW_INIT(); \ *((u32 *)(dest)) = (*((u32 *)dest) & 0xFF000000) | \ - arm_relative_offset(dest, offset) \ + arm_relative_offset(dest, offset); \ + VITA_RW_END(); \ + #define generate_branch_patch_unconditional(dest, offset) \ + VITA_RW_INIT(); \ *((u32 *)(dest)) = (*((u32 *)dest) & 0xFF000000) | \ - arm_relative_offset(dest, offset) \ + arm_relative_offset(dest, offset); \ + VITA_RW_END(); \ // A different function is called for idle updates because of the relative // location of the embedded PC. The idle version could be optimized to put @@ -1931,4 +1941,3 @@ void execute_swi_hle_div_c() generate_indirect_branch_no_cycle_update(type) \ #endif - diff --git a/cpu.h b/cpu.h index d292621..3ed9f07 100644 --- a/cpu.h +++ b/cpu.h @@ -146,6 +146,11 @@ extern u8* bios_translation_cache; extern u8* rom_translation_cache_ptr; extern u8* ram_translation_cache_ptr; extern u8* bios_translation_cache_ptr; +#elif defined(VITA) +extern u8* rom_translation_cache; +extern u8* ram_translation_cache; +extern u8* bios_translation_cache; +extern int sceBlock; #else extern u8 rom_translation_cache[ROM_TRANSLATION_CACHE_SIZE]; extern u8 ram_translation_cache[RAM_TRANSLATION_CACHE_SIZE]; diff --git a/cpu_threaded.c b/cpu_threaded.c index 44f5d84..e3e1a14 100644 --- a/cpu_threaded.c +++ b/cpu_threaded.c @@ -22,6 +22,9 @@ // - block memory needs psr swapping and user mode reg swapping #include "common.h" +#if defined(VITA) +#include +#endif u8 *last_rom_translation_ptr = NULL; u8 *last_ram_translation_ptr = NULL; @@ -34,7 +37,15 @@ u8* bios_translation_cache; u8 *rom_translation_ptr; u8 *ram_translation_ptr; u8 *bios_translation_ptr; -#elif defined(_3DS) +#elif defined(VITA) +u8* rom_translation_cache; +u8* ram_translation_cache; +u8* bios_translation_cache; +u8 *rom_translation_ptr; +u8 *ram_translation_ptr; +u8 *bios_translation_ptr; +int sceBlock; +#elif defined(_3DS) u8* rom_translation_cache_ptr; u8* ram_translation_cache_ptr; u8* bios_translation_cache_ptr; @@ -233,6 +244,16 @@ extern u8 bit_count[256]; #if defined(PSP_BUILD) #define translate_invalidate_dcache() sceKernelDcacheWritebackAll() +#elif defined(VITA) +#define RW_INIT sceKernelOpenVMDomain +#define RW_END sceKernelCloseVMDomain +#define translate_invalidate_dcache() (void)0 + +#define invalidate_icache_region(addr, size) \ +{ \ + sceKernelSyncVMDomain(sceBlock, addr, size); \ +} + #elif defined(_3DS) #include "3ds/3ds_utils.h" #define translate_invalidate_dcache() ctr_flush_invalidate_cache() @@ -2850,7 +2871,7 @@ u8 *block_lookup_address_##type(u32 pc) \ (ROM_BRANCH_HASH_SIZE - 1); \ u32 *block_ptr = rom_branch_hash[hash_target]; \ u32 **block_ptr_address = rom_branch_hash + hash_target; \ - \ + RW_INIT(); \ while(block_ptr) \ { \ if(block_ptr[0] == pc) \ @@ -2858,11 +2879,10 @@ u8 *block_lookup_address_##type(u32 pc) \ block_address = (u8 *)(block_ptr + 2) + block_prologue_size; \ break; \ } \ - \ block_ptr_address = (u32 **)(block_ptr + 1); \ block_ptr = (u32 *)block_ptr[1]; \ } \ - \ + RW_END(); \ if(!block_ptr) \ { \ __label__ redo; \ @@ -2870,12 +2890,14 @@ u8 *block_lookup_address_##type(u32 pc) \ \ redo: \ \ - translation_recursion_level++; \ + translation_recursion_level++; \ + RW_INIT(); \ ((u32 *)rom_translation_ptr)[0] = pc; \ ((u32 **)rom_translation_ptr)[1] = NULL; \ *block_ptr_address = (u32 *)rom_translation_ptr; \ rom_translation_ptr += 8; \ block_address = rom_translation_ptr + block_prologue_size; \ + RW_END(); \ block_lookup_translate_##type(rom, 0); \ translation_recursion_level--; \ \ @@ -3776,4 +3798,3 @@ void dump_translation_cache(void) bios_translation_ptr - bios_translation_cache); file_close(bios_cache); } - diff --git a/libretro.c b/libretro.c index 983a826..0de5075 100644 --- a/libretro.c +++ b/libretro.c @@ -8,6 +8,12 @@ #include "libretro.h" #include "memmap.h" + +#if defined(VITA) +#include +static int translation_caches_inited = 0; +#endif + #if defined(_3DS) void* linearMemAlign(size_t size, size_t alignment); void linearFree(void* mem); @@ -118,6 +124,7 @@ void retro_get_system_av_info(struct retro_system_av_info* info) void retro_init(void) { + #if defined(_3DS) && defined(HAVE_DYNAREC) if (__ctr_svchax && !translation_caches_inited) { @@ -143,6 +150,35 @@ void retro_init(void) ctr_flush_invalidate_cache(); translation_caches_inited = 1; } +#endif + +#if defined(VITA) + if(!translation_caches_inited){ + void* currentHandle; + + sceBlock = sceKernelAllocMemBlockForVM("code", ROM_TRANSLATION_CACHE_SIZE + + RAM_TRANSLATION_CACHE_SIZE + + BIOS_TRANSLATION_CACHE_SIZE); + if (sceBlock < 0) + { + return sceBlock; + } + + // get base address + int ret = sceKernelGetMemBlockBase(sceBlock, ¤tHandle); + if (ret < 0) + { + return ret; + } + rom_translation_cache = (u8*)currentHandle; + ram_translation_cache = rom_translation_cache + ROM_TRANSLATION_CACHE_SIZE; + bios_translation_cache = ram_translation_cache + RAM_TRANSLATION_CACHE_SIZE; + rom_translation_ptr = rom_translation_cache; + ram_translation_ptr = ram_translation_cache; + bios_translation_ptr = bios_translation_cache; + translation_caches_inited = 1; +} + #endif if (!gamepak_rom) @@ -190,6 +226,15 @@ void retro_deinit(void) translation_caches_inited = 0; } #endif + +#if defined(VITA) + if(translation_caches_inited){ + sceKernelFreeMemBlock(sceBlock); + + translation_caches_inited = 0; + } +#endif + #ifdef _3DS linearFree(gba_screen_pixels); #else