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Cleanup block sram overwrite.

This commit is contained in:
Themaister 2014-04-04 15:35:46 +02:00
parent a58cb16367
commit 7d9732ba20
1 changed files with 31 additions and 47 deletions
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78
file.c
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@ -203,6 +203,13 @@ bool save_state(const char *path)
return ret;
}
struct sram_block
{
unsigned type;
void *data;
size_t size;
};
bool load_state(const char *path)
{
unsigned i;
@ -220,78 +227,55 @@ bool load_state(const char *path)
bool ret = true;
RARCH_LOG("State size: %u bytes.\n", (unsigned)size);
#if 0
void *block_buf[2] = {NULL, NULL};
int block_type[2] = {-1, -1};
size_t block_size[2] = {0};
struct sram_block *blocks = NULL;
unsigned num_blocks = 0;
if (g_settings.block_sram_overwrite)
if (g_settings.block_sram_overwrite && g_extern.savefiles && g_extern.savefiles->size)
{
RARCH_LOG("Blocking SRAM overwrite.\n");
switch (g_extern.game_type)
blocks = (struct sram_block*)calloc(g_extern.savefiles->size, sizeof(*blocks));
if (blocks)
{
case RARCH_CART_NORMAL:
block_type[0] = RETRO_MEMORY_SAVE_RAM;
block_type[1] = RETRO_MEMORY_RTC;
break;
case RARCH_CART_BSX:
case RARCH_CART_BSX_SLOTTED:
block_type[0] = RETRO_MEMORY_SNES_BSX_RAM;
block_type[1] = RETRO_MEMORY_SNES_BSX_PRAM;
break;
case RARCH_CART_SUFAMI:
block_type[0] = RETRO_MEMORY_SNES_SUFAMI_TURBO_A_RAM;
block_type[1] = RETRO_MEMORY_SNES_SUFAMI_TURBO_B_RAM;
break;
case RARCH_CART_SGB:
block_type[0] = RETRO_MEMORY_SNES_GAME_BOY_RAM;
block_type[1] = RETRO_MEMORY_SNES_GAME_BOY_RTC;
break;
num_blocks = g_extern.savefiles->size;
for (i = 0; i < num_blocks; i++)
blocks[i].type = g_extern.savefiles->elems[i].attr.i;
}
}
for (i = 0; i < 2; i++)
if (block_type[i] != -1)
block_size[i] = pretro_get_memory_size(block_type[i]);
for (i = 0; i < num_blocks; i++)
blocks[i].size = pretro_get_memory_size(blocks[i].type);
for (i = 0; i < 2; i++)
if (block_size[i])
block_buf[i] = malloc(block_size[i]);
for (i = 0; i < num_blocks; i++)
if (blocks[i].size)
blocks[i].data = malloc(blocks[i].size);
// Backup current SRAM which is overwritten by unserialize.
for (i = 0; i < 2; i++)
for (i = 0; i < num_blocks; i++)
{
if (block_buf[i])
if (blocks[i].data)
{
const void *ptr = pretro_get_memory_data(block_type[i]);
const void *ptr = pretro_get_memory_data(blocks[i].type);
if (ptr)
memcpy(block_buf[i], ptr, block_size[i]);
memcpy(blocks[i].data, ptr, blocks[i].size);
}
}
ret = pretro_unserialize(buf, size);
// Flush back :D
for (i = 0; i < 2 && ret; i++)
for (i = 0; i < num_blocks; i++)
{
if (block_buf[i])
if (blocks[i].data)
{
void *ptr = pretro_get_memory_data(block_type[i]);
void *ptr = pretro_get_memory_data(blocks[i].type);
if (ptr)
memcpy(ptr, block_buf[i], block_size[i]);
memcpy(ptr, blocks[i].data, blocks[i].size);
}
}
for (i = 0; i < 2; i++)
if (block_buf[i])
free(block_buf[i]);
#endif
ret = pretro_unserialize(buf, size);
free(buf);
for (i = 0; i < num_blocks; i++)
free(blocks[i].data);
free(blocks);
return ret;
}