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Diffstat (limited to 'cpu_threaded.c')
-rw-r--r--cpu_threaded.c77
1 files changed, 75 insertions, 2 deletions
diff --git a/cpu_threaded.c b/cpu_threaded.c
index 7f12b4f..8b7dc0e 100644
--- a/cpu_threaded.c
+++ b/cpu_threaded.c
@@ -29,26 +29,34 @@
u8 *last_rom_translation_ptr = NULL;
u8 *last_ram_translation_ptr = NULL;
+u8 *last_bios_translation_ptr = NULL;
#if defined(HAVE_MMAP)
u8* rom_translation_cache;
u8* ram_translation_cache;
+u8* bios_translation_cache;
u8 *rom_translation_ptr;
u8 *ram_translation_ptr;
+u8 *bios_translation_ptr;
#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;
u8 *rom_translation_ptr = rom_translation_cache;
u8 *ram_translation_ptr = ram_translation_cache;
+u8 *bios_translation_ptr = bios_translation_cache;
#else
u8 *rom_translation_ptr = rom_translation_cache;
u8 *ram_translation_ptr = ram_translation_cache;
+u8 *bios_translation_ptr = bios_translation_cache;
#endif
/* Note, see stub files for more cache definitions */
@@ -244,6 +252,10 @@ void translate_icache_sync() {
platform_cache_sync(last_ram_translation_ptr, ram_translation_ptr);
last_ram_translation_ptr = ram_translation_ptr;
}
+ if (last_bios_translation_ptr < bios_translation_ptr) {
+ platform_cache_sync(last_bios_translation_ptr, bios_translation_ptr);
+ last_bios_translation_ptr = bios_translation_ptr;
+ }
}
/* End of Cache invalidation */
@@ -2666,6 +2678,9 @@ void translate_icache_sync() {
u8 *ram_block_ptrs[1024 * 64];
u32 ram_block_tag_top = 0x0101;
+u8 *bios_block_ptrs[1024 * 8];
+u32 bios_block_tag_top = 0x0101;
+
// This function will return a pointer to a translated block of code. If it
// doesn't exist it will translate it, if it does it will pass it back.
@@ -2695,6 +2710,7 @@ u32 ram_block_tag_top = 0x0101;
#define ram_translation_region TRANSLATION_REGION_RAM
#define rom_translation_region TRANSLATION_REGION_ROM
+#define bios_translation_region TRANSLATION_REGION_BIOS
#define block_lookup_translate_arm(mem_type, smc_enable) \
translation_result = translate_block_arm(pc, mem_type##_translation_region, \
@@ -2790,17 +2806,28 @@ u8 function_cc *block_lookup_address_##type(u32 pc) \
\
switch(pc >> 24) \
{ \
+ case 0x0: \
+ bios_region_read_allow(); \
+ location = (u16 *)(bios_rom + pc + 0x4000); \
+ block_lookup_translate(type, bios, 0); \
+ if(translation_recursion_level == 0) \
+ bios_region_read_allow(); \
+ break; \
+ \
case 0x2: \
location = (u16 *)(ewram + (pc & 0x3FFFF) + 0x40000); \
block_lookup_translate(type, ram, 1); \
+ if(translation_recursion_level == 0) \
+ bios_region_read_protect(); \
break; \
\
case 0x3: \
location = (u16 *)(iwram + (pc & 0x7FFF)); \
block_lookup_translate(type, ram, 1); \
+ if(translation_recursion_level == 0) \
+ bios_region_read_protect(); \
break; \
\
- case 0x0: \
case 0x8 ... 0xD: \
{ \
u32 hash_target = ((pc * 2654435761U) >> 16) & \
@@ -2824,7 +2851,7 @@ u8 function_cc *block_lookup_address_##type(u32 pc) \
\
redo: \
\
- translation_recursion_level++; \
+ translation_recursion_level++; \
((u32 *)rom_translation_ptr)[0] = pc; \
((u32 **)rom_translation_ptr)[1] = NULL; \
*block_ptr_address = (u32 *)rom_translation_ptr; \
@@ -2846,6 +2873,8 @@ u8 function_cc *block_lookup_address_##type(u32 pc) \
if(translation_recursion_level == 0) \
translate_icache_sync(); \
} \
+ if(translation_recursion_level == 0) \
+ bios_region_read_protect(); \
break; \
} \
\
@@ -3260,6 +3289,12 @@ s32 translate_block_arm(u32 pc, translation_region_type
rom_translation_cache + ROM_TRANSLATION_CACHE_SIZE -
TRANSLATION_CACHE_LIMIT_THRESHOLD;
break;
+
+ case TRANSLATION_REGION_BIOS:
+ translation_ptr = bios_translation_ptr;
+ translation_cache_limit = bios_translation_cache +
+ BIOS_TRANSLATION_CACHE_SIZE;
+ break;
}
generate_block_prologue();
@@ -3322,6 +3357,10 @@ s32 translate_block_arm(u32 pc, translation_region_type
case TRANSLATION_REGION_ROM:
flush_translation_cache_rom();
break;
+
+ case TRANSLATION_REGION_BIOS:
+ flush_translation_cache_bios();
+ break;
}
return -1;
}
@@ -3389,6 +3428,10 @@ s32 translate_block_arm(u32 pc, translation_region_type
case TRANSLATION_REGION_ROM:
rom_translation_ptr = translation_ptr;
break;
+
+ case TRANSLATION_REGION_BIOS:
+ bios_translation_ptr = translation_ptr;
+ break;
}
for(i = 0; i < external_block_exit_position; i++)
@@ -3461,6 +3504,12 @@ s32 translate_block_thumb(u32 pc, translation_region_type
rom_translation_cache + ROM_TRANSLATION_CACHE_SIZE -
TRANSLATION_CACHE_LIMIT_THRESHOLD;
break;
+
+ case TRANSLATION_REGION_BIOS:
+ translation_ptr = bios_translation_ptr;
+ translation_cache_limit = bios_translation_cache +
+ BIOS_TRANSLATION_CACHE_SIZE;
+ break;
}
generate_block_prologue();
@@ -3521,6 +3570,10 @@ s32 translate_block_thumb(u32 pc, translation_region_type
case TRANSLATION_REGION_ROM:
flush_translation_cache_rom();
break;
+
+ case TRANSLATION_REGION_BIOS:
+ flush_translation_cache_bios();
+ break;
}
return -1;
}
@@ -3588,6 +3641,10 @@ s32 translate_block_thumb(u32 pc, translation_region_type
case TRANSLATION_REGION_ROM:
rom_translation_ptr = translation_ptr;
break;
+
+ case TRANSLATION_REGION_BIOS:
+ bios_translation_ptr = translation_ptr;
+ break;
}
for(i = 0; i < external_block_exit_position; i++)
@@ -3644,6 +3701,16 @@ void flush_translation_cache_rom(void)
memset(rom_branch_hash, 0, sizeof(rom_branch_hash));
}
+void flush_translation_cache_bios(void)
+{
+ bios_block_tag_top = 0x0101;
+
+ last_bios_translation_ptr = bios_translation_cache;
+ bios_translation_ptr = bios_translation_cache;
+
+ memset(bios_rom + 0x4000, 0, 0x4000);
+}
+
void wipe_caches(void)
{
/* Ensure we wipe everything including the SMC mirrors */
@@ -3653,6 +3720,7 @@ void wipe_caches(void)
iwram_code_min = 0;
iwram_code_max = 0x7FFF;
flush_translation_cache_ram();
+ flush_translation_cache_bios();
}
#define cache_dump_prefix ""
@@ -3668,6 +3736,11 @@ void dump_translation_cache(void)
fwrite(rom_translation_cache, 1,
rom_translation_ptr - rom_translation_cache, fd);
fclose(fd);
+
+ fd = fopen(cache_dump_prefix "bios_cache.bin", "wb");
+ fwrite(bios_translation_cache, 1,
+ bios_translation_ptr - bios_translation_cache, fd);
+ fclose(fd);
}
generated by cgit v1.2.3 (git 2.25.1) at 2024-05-19 14:21:48 +0000