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Merge pull request #28 from frangarcj/master 

VITA WIP
This commit is contained in:
Twinaphex 2016-08-15 02:55:59 +02:00 committed by GitHub
parent a1254324c7 d4e60565d5
commit 08e3423a8c
6 changed files with 153 additions and 39 deletions
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9
Makefile
View File

@ -195,11 +195,12 @@ else ifeq ($(platform), vita)
TARGET := $(TARGET_NAME)_libretro_$(platform).a
CC = arm-vita-eabi-gcc$(EXE_EXT)
AR = arm-vita-eabi-ar$(EXE_EXT)
CFLAGS += -DVITA
CFLAGS += -marm -mcpu=cortex-a9
ASFLAGS += -mcpu=cortex-a9
CFLAGS += -DVITA -g
CFLAGS += -mthumb -mcpu=cortex-a9 -mfloat-abi=hard
CFLAGS += -Wall -mword-relocations
CFLAGS += -fomit-frame-pointer -ffast-math
ASFLAGS += -mthumb -mcpu=cortex-a9
STATIC_LINKING = 1
HAVE_DYNAREC = 1
CPU_ARCH := arm
# CTR(3DS)

12
arm/arm_emit.h
View File

@ -49,10 +49,8 @@ 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; \
VITA_RW_END() \
translation_ptr += 4 \
#define arm_relative_offset(source, offset) \
(((((u32)offset - (u32)source) - 8) >> 2) & 0xFFFFFF) \
@ -409,17 +407,13 @@ 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); \
VITA_RW_END(); \
arm_relative_offset(dest, offset) \
#define generate_branch_patch_unconditional(dest, offset) \
VITA_RW_INIT(); \
*((u32 *)(dest)) = (*((u32 *)dest) & 0xFF000000) | \
arm_relative_offset(dest, offset); \
VITA_RW_END(); \
arm_relative_offset(dest, offset) \
// 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

41
cpu_threaded.c
View File

@ -24,6 +24,7 @@
#include "common.h"
#if defined(VITA)
#include <psp2/kernel/sysmem.h>
#include <stdio.h>
#endif
u8 *last_rom_translation_ptr = NULL;
@ -251,7 +252,7 @@ extern u8 bit_count[256];
#define invalidate_icache_region(addr, size) \
{ \
sceKernelSyncVMDomain(sceBlock, addr, size); \
int ret = sceKernelSyncVMDomain(sceBlock, addr, size); \
}
#elif defined(_3DS)
@ -2837,8 +2838,10 @@ u8 *block_lookup_address_##type(u32 pc) \
u8 *block_address; \
\
/* Starting at the beginning, we allow for one translation cache flush. */ \
if(translation_recursion_level == 0) \
if(translation_recursion_level == 0){ \
translation_flush_count = 0; \
RW_INIT(); \
} \
block_lookup_address_pc_##type(); \
\
switch(pc >> 24) \
@ -2871,7 +2874,6 @@ 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) \
@ -2882,7 +2884,6 @@ u8 *block_lookup_address_##type(u32 pc) \
block_ptr_address = (u32 **)(block_ptr + 1); \
block_ptr = (u32 *)block_ptr[1]; \
} \
RW_END(); \
if(!block_ptr) \
{ \
__label__ redo; \
@ -2891,13 +2892,11 @@ u8 *block_lookup_address_##type(u32 pc) \
redo: \
\
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--; \
\
@ -2937,7 +2936,9 @@ u8 *block_lookup_address_##type(u32 pc) \
block_address = (u8 *)(-1); \
break; \
} \
\
if(translation_recursion_level == 0) \
RW_END(); \
\
return block_address; \
} \
@ -3291,7 +3292,8 @@ s32 translate_block_arm(u32 pc, translation_region_type
u8 *translation_cache_limit = NULL;
s32 i;
u32 flag_status;
block_exit_type external_block_exits[MAX_EXITS];
block_exit_type external_block_exits[MAX_EXITS];
RW_INIT();
generate_block_extra_vars_arm();
arm_fix_pc();
@ -3399,7 +3401,7 @@ s32 translate_block_arm(u32 pc, translation_region_type
flush_translation_cache_bios();
break;
}
RW_END();
return -1;
}
@ -3476,12 +3478,14 @@ s32 translate_block_arm(u32 pc, translation_region_type
{
branch_target = external_block_exits[i].branch_target;
arm_link_block();
if(!translation_target)
return -1;
if(!translation_target){
RW_END();
return -1;
}
generate_branch_patch_unconditional(
external_block_exits[i].branch_source, translation_target);
}
RW_END();
return 0;
}
@ -3508,7 +3512,8 @@ s32 translate_block_thumb(u32 pc, translation_region_type
u8 *translation_cache_limit = NULL;
s32 i;
u32 flag_status;
block_exit_type external_block_exits[MAX_EXITS];
block_exit_type external_block_exits[MAX_EXITS];
RW_INIT();
generate_block_extra_vars_thumb();
thumb_fix_pc();
@ -3616,7 +3621,7 @@ s32 translate_block_thumb(u32 pc, translation_region_type
flush_translation_cache_bios();
break;
}
RW_END();
return -1;
}
@ -3693,12 +3698,14 @@ s32 translate_block_thumb(u32 pc, translation_region_type
{
branch_target = external_block_exits[i].branch_target;
thumb_link_block();
if(!translation_target)
return -1;
if(!translation_target){
RW_END();
return -1;
}
generate_branch_patch_unconditional(
external_block_exits[i].branch_source, translation_target);
}
RW_END();
return 0;
}

2
libco/libco.c
View File

@ -10,6 +10,8 @@
#include "amd64.c"
#elif defined(__GNUC__) && defined(_ARCH_PPC)
#include "ppc.c"
#elif defined(VITA)
#include "psp2.c"
#elif defined(__GNUC__) && (defined(__ARM_EABI__) || defined(__arm__))
#include "armeabi.c"
#elif defined(__GNUC__)

116
libco/psp2.c Normal file
View File

@ -0,0 +1,116 @@
/*
libco.arm (2016-08-14)
author: frangarcj
license: public domain
*/
#define LIBCO_C
#include "libco.h"
#include <assert.h>
#include <stdlib.h>
#include <unistd.h>
#include <psp2/kernel/sysmem.h>
#include <stdio.h>
#include <string.h>
#ifdef __cplusplus
extern "C" {
#endif
static inline int align(int x, int n) {
return (((x >> n) + 1) << n );
}
#define FOUR_KB_ALIGN(x) align(x, 12)
#define MB_ALIGN(x) align(x, 20)
static thread_local unsigned long co_active_buffer[64];
static thread_local cothread_t co_active_handle = 0;
static void (*co_swap)(cothread_t, cothread_t) = 0;
static int block;
static uint32_t co_swap_function[] = {
0xe8a16ff0, /* stmia r1!, {r4-r11,sp,lr} */
0xe8b0aff0, /* ldmia r0!, {r4-r11,sp,pc} */
0xe12fff1e, /* bx lr */
};
void co_init() {
int ret;
void *base;
block = sceKernelAllocMemBlockForVM("libco", MB_ALIGN(FOUR_KB_ALIGN(sizeof co_swap_function)));
if (block < 0)
{
return;
}
// get base address
ret = sceKernelGetMemBlockBase(block, &base);
if (ret < 0)
{
return;
}
// set domain to be writable by user
ret = sceKernelOpenVMDomain();
if (ret < 0)
{
return;
}
memcpy(base,co_swap_function,sizeof co_swap_function);
// set domain back to read-only
ret = sceKernelCloseVMDomain();
if (ret < 0)
{
return;
}
// flush icache
ret = sceKernelSyncVMDomain(block, base, MB_ALIGN(FOUR_KB_ALIGN(sizeof co_swap_function)));
if (ret < 0)
{
return;
}
co_swap = (void (*)(cothread_t, cothread_t))base;
}
cothread_t co_active() {
if(!co_active_handle) co_active_handle = &co_active_buffer;
return co_active_handle;
}
cothread_t co_create(unsigned int size, void (*entrypoint)(void)) {
unsigned long* handle = 0;
if(!co_swap) {
co_init();
}
if(!co_active_handle) co_active_handle = &co_active_buffer;
size += 256;
size &= ~15;
if((handle = (unsigned long*)malloc(size))) {
unsigned long* p = (unsigned long*)((unsigned char*)handle + size);
handle[8] = (unsigned long)p;
handle[9] = (unsigned long)entrypoint;
}
return handle;
}
void co_delete(cothread_t handle) {
free(handle);
}
void co_switch(cothread_t handle) {
cothread_t co_previous_handle = co_active_handle;
co_swap(co_active_handle = handle, co_previous_handle);
}
#ifdef __cplusplus
}
#endif

12
libretro.c
View File

@ -9,7 +9,7 @@
#include "memmap.h"
#if defined(VITA)
#if defined(VITA) && defined(HAVE_DYNAREC)
#include <psp2/kernel/sysmem.h>
static int translation_caches_inited = 0;
static inline int align(int x, int n) {
@ -159,15 +159,13 @@ void retro_init(void)
}
#endif
#if defined(VITA)
#if defined(VITA) && defined(HAVE_DYNAREC)
if(!translation_caches_inited){
void* currentHandle;
sceBlock = sceKernelAllocMemBlockForVM("code", MB_ALIGN(FOUR_KB_ALIGN(ROM_TRANSLATION_CACHE_SIZE +
RAM_TRANSLATION_CACHE_SIZE +
BIOS_TRANSLATION_CACHE_SIZE)));
FILE * fd = fopen("ux0:/temp/test.txt","w+");
fprintf(fd,"%x\n",sceBlock);
if (sceBlock < 0)
{
return;
@ -179,9 +177,6 @@ void retro_init(void)
{
return;
}
fprintf(fd,"%x %x\n",currentHandle,ret);
fclose(fd);
rom_translation_cache = (u8*)currentHandle;
ram_translation_cache = rom_translation_cache + ROM_TRANSLATION_CACHE_SIZE;
@ -240,7 +235,7 @@ void retro_deinit(void)
}
#endif
#if defined(VITA)
#if defined(VITA) && defined(HAVE_DYNAREC)
if(translation_caches_inited){
sceKernelFreeMemBlock(sceBlock);
@ -487,7 +482,6 @@ bool retro_load_game(const struct retro_game_info* info)
}
gamepak_filename[0] = 0;
if (load_gamepak(info, info->path) != 0)
{
error_msg("Could not load the game file.");