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git subrepo pull --force emummc

Browse Source 
subrepo:
  subdir:   "emummc"
  merged:   "2fc47cbb8"
upstream:
  origin:   "https://github.com/lulle2007200/emuMMC.git"
  branch:   "develop"
  commit:   "2fc47cbb8"
git-subrepo:
  version:  "0.4.9"
  origin:   "https://github.com/ingydotnet/git-subrepo.git"
  commit:   "30db3b8"
This commit is contained in:
lulle2007200
2025-05-12 14:22:12 +02:00
parent 0188898af4
commit 92c599f0f0
342 changed files with 106677 additions and 974 deletions
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72
emummc/source/emmc/nx_emmc.c vendored
View File

@@ -18,6 +18,8 @@
#include "../utils/types.h"
#include "nx_emmc.h"
static u32 emmc_mode = EMMC_MMC_HS400;
int nx_emmc_part_read(sdmmc_storage_t *storage, emmc_part_t *part, u32 sector_off, u32 num_sectors, void *buf)
{
// The last LBA is inclusive.
@@ -33,3 +35,73 @@ int nx_emmc_part_write(sdmmc_storage_t *storage, emmc_part_t *part, u32 sector_o
return 0;
return sdmmc_storage_write(storage, part->lba_start + sector_off, num_sectors, buf);
}
int emmc_init_retry(bool power_cycle)
{
u32 bus_width = SDMMC_BUS_WIDTH_8;
u32 type = SDHCI_TIMING_MMC_HS400;
// Power cycle SD eMMC.
if (power_cycle)
{
emmc_mode--;
nx_emmc_end();
}
// Get init parameters.
switch (emmc_mode)
{
case EMMC_INIT_FAIL: // Reset to max.
return 0;
case EMMC_1BIT_HS52:
bus_width = SDMMC_BUS_WIDTH_1;
type = SDHCI_TIMING_MMC_HS52;
break;
case EMMC_8BIT_HS52:
type = SDHCI_TIMING_MMC_HS52;
break;
case EMMC_MMC_HS200:
type = SDHCI_TIMING_MMC_HS200;
break;
case EMMC_MMC_HS400:
type = SDHCI_TIMING_MMC_HS400;
break;
default:
emmc_mode = EMMC_MMC_HS400;
}
return sdmmc_storage_init_mmc(&emmc_storage, &emmc_sdmmc, bus_width, type);
}
void nx_emmc_end() { sdmmc_storage_end(&emmc_storage); }
bool nx_emmc_initialize(bool power_cycle)
{
// Reset mode in case of previous failure.
if (emmc_mode == EMMC_INIT_FAIL)
emmc_mode = EMMC_MMC_HS400;
if (power_cycle)
nx_emmc_end();
int res = !emmc_init_retry(false);
while (true)
{
if (!res)
return true;
else
{
if (emmc_mode == EMMC_INIT_FAIL)
break;
else
res = !emmc_init_retry(true);
}
}
nx_emmc_end();
return false;
}
int nx_emmc_set_partition(u32 partition) { return sdmmc_storage_set_mmc_partition(&emmc_storage, partition); }

17
emummc/source/emmc/nx_emmc.h vendored
View File

@@ -20,6 +20,15 @@
#include "../utils/types.h"
#include "sdmmc.h"
enum
{
EMMC_INIT_FAIL = 0,
EMMC_1BIT_HS52 = 1,
EMMC_8BIT_HS52 = 2,
EMMC_MMC_HS200 = 3,
EMMC_MMC_HS400 = 4,
};
typedef struct _gpt_entry_t
{
u8 type_guid[0x10];
@@ -61,7 +70,15 @@ typedef struct _emmc_part_t
s8 name[37];
} emmc_part_t;
extern sdmmc_storage_t emmc_storage;
extern sdmmc_t emmc_sdmmc;
int nx_emmc_part_read(sdmmc_storage_t *storage, emmc_part_t *part, u32 sector_off, u32 num_sectors, void *buf);
int nx_emmc_part_write(sdmmc_storage_t *storage, emmc_part_t *part, u32 sector_off, u32 num_sectors, void *buf);
int nx_emmc_init_retry(bool power_cycle);
bool nx_emmc_initialize(bool power_cycle);
int nx_emmc_set_partition(u32 partition);
void nx_emmc_end();
#endif

142
emummc/source/emmc/sdmmc.c vendored
View File

@@ -293,6 +293,59 @@ int sdmmc_storage_end(sdmmc_storage_t *storage)
return 1;
}
static int _sdmmc_storage_readwrite_fs(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf, u32 is_write){
sdmmc_accessor_t *accessor_sd = sdmmc_accessor_sd();
sdmmc_accessor_t *accessor_nand = sdmmc_accessor_nand();
if (sdmmc_calculate_dma_addr(accessor_sd, buf, num_sectors))
{
return !accessor_sd->vtab->read_write(accessor_sd, sector, num_sectors, buf, num_sectors * 512, !is_write);
}
else
{
if (sdmmc_calculate_dma_addr(accessor_nand, buf, num_sectors))
{
// buf is on the nand dma buffer
int original_dma_idx = sdmmc_calculate_dma_index(accessor_nand, buf, num_sectors);
sdmmc_dma_buffer_t *original_dma_buffer = &accessor_nand->parent->dmaBuffers[original_dma_idx];
// Next entry
int dma_idx = sdmmc_calculate_fitting_dma_index(accessor_sd, num_sectors) + 1;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer = original_dma_buffer->device_addr_buffer;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer_masked = original_dma_buffer->device_addr_buffer_masked;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer_size = original_dma_buffer->device_addr_buffer_size;
u64 res = accessor_sd->vtab->read_write(accessor_sd, sector, num_sectors, buf, num_sectors * 512, 1);
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer = 0;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer_masked = 0;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer_size = 0;
return !res;
}
else
{
// buf is on a heap
int dma_idx = sdmmc_calculate_fitting_dma_index(accessor_sd, num_sectors);
void *dma_buf = &accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer[0];
u64 res;
if(is_write){
memcpy(dma_buf, buf, num_sectors * 512);
res = accessor_sd->vtab->read_write(accessor_sd, sector, num_sectors, dma_buf, num_sectors * 512, !is_write);
}
else
{
res = accessor_sd->vtab->read_write(accessor_sd, sector, num_sectors, dma_buf, num_sectors * 512, !is_write);
memcpy(buf, dma_buf, num_sectors * 512);
}
return !res;
}
}
}
static int _sdmmc_storage_readwrite(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf, u32 is_write)
{
u8 *bbuf = (u8 *)buf;
@@ -358,54 +411,12 @@ out:
return 1;
}
extern _sdmmc_accessor_sd sdmmc_accessor_sd;
extern _sdmmc_accessor_nand sdmmc_accessor_nand;
int sdmmc_storage_read(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, void *buf)
{
if (!custom_driver)
{
sdmmc_accessor_t *accessor_sd = sdmmc_accessor_sd();
sdmmc_accessor_t *accessor_nand = sdmmc_accessor_nand();
if (sdmmc_calculate_dma_addr(accessor_sd, buf, num_sectors))
{
return !accessor_sd->vtab->read_write(accessor_sd, sector, num_sectors, buf, num_sectors * 512, 1);
}
else
{
if (sdmmc_calculate_dma_addr(accessor_nand, buf, num_sectors))
{
// buf is on the nand dma buffer
int original_dma_idx = sdmmc_calculate_dma_index(accessor_nand, buf, num_sectors);
sdmmc_dma_buffer_t *original_dma_buffer = &accessor_nand->parent->dmaBuffers[original_dma_idx];
// Next entry
int dma_idx = sdmmc_calculate_fitting_dma_index(accessor_sd, num_sectors) + 1;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer = original_dma_buffer->device_addr_buffer;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer_masked = original_dma_buffer->device_addr_buffer_masked;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer_size = original_dma_buffer->device_addr_buffer_size;
u64 res = accessor_sd->vtab->read_write(accessor_sd, sector, num_sectors, buf, num_sectors * 512, 1);
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer = 0;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer_masked = 0;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer_size = 0;
return !res;
}
else
{
// buf is on a heap
int dma_idx = sdmmc_calculate_fitting_dma_index(accessor_sd, num_sectors);
void *dma_buf = &accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer[0];
u64 res = accessor_sd->vtab->read_write(accessor_sd, sector, num_sectors, dma_buf, num_sectors * 512, 1);
memcpy(buf, dma_buf, num_sectors * 512);
return !res;
}
}
return _sdmmc_storage_readwrite_fs(storage, sector, num_sectors, buf, 0);
}
else
{
@@ -417,48 +428,7 @@ int sdmmc_storage_write(sdmmc_storage_t *storage, u32 sector, u32 num_sectors, v
{
if (!custom_driver)
{
sdmmc_accessor_t *accessor_sd = sdmmc_accessor_sd();
sdmmc_accessor_t *accessor_nand = sdmmc_accessor_nand();
if (sdmmc_calculate_dma_addr(accessor_sd, buf, num_sectors))
{
return !accessor_sd->vtab->read_write(accessor_sd, sector, num_sectors, buf, num_sectors * 512, 0);
}
else
{
if (sdmmc_calculate_dma_addr(accessor_nand, buf, num_sectors))
{
// buf is on the nand dma buffer
int original_dma_idx = sdmmc_calculate_dma_index(accessor_nand, buf, num_sectors);
sdmmc_dma_buffer_t *original_dma_buffer = &accessor_nand->parent->dmaBuffers[original_dma_idx];
// Next entry
int dma_idx = sdmmc_calculate_fitting_dma_index(accessor_sd, num_sectors) + 1;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer = original_dma_buffer->device_addr_buffer;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer_masked = original_dma_buffer->device_addr_buffer_masked;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer_size = original_dma_buffer->device_addr_buffer_size;
u64 res = accessor_sd->vtab->read_write(accessor_sd, sector, num_sectors, buf, num_sectors * 512, 0);
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer = 0;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer_masked = 0;
accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer_size = 0;
return !res;
}
else
{
// buf is on a heap
int dma_idx = sdmmc_calculate_fitting_dma_index(accessor_sd, num_sectors);
void *dma_buf = &accessor_sd->parent->dmaBuffers[dma_idx].device_addr_buffer[0];
memcpy(dma_buf, buf, num_sectors * 512);
u64 res = accessor_sd->vtab->read_write(accessor_sd, sector, num_sectors, dma_buf, num_sectors * 512, 0);
return !res;
}
}
return _sdmmc_storage_readwrite_fs(storage, sector, num_sectors, buf, 1);
}
else
{