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This commit is contained in:
Christoph Baumann
2025-05-06 12:37:46 +02:00
parent ba6073610c
commit 241b0f2274
19 changed files with 1518 additions and 386 deletions
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73
bootloader/storage/emummc.c
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@@ -14,6 +14,7 @@
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <storage/emmc.h>
#include <storage/sdmmc.h>
#include <string.h>
#include <stdlib.h>
@@ -85,30 +86,47 @@ bool emummc_set_path(char *path)
if (!f_open(&fp, emu_cfg.emummc_file_based_path, FA_READ))
{
if (!f_read(&fp, &emu_cfg.sector, 4, NULL))
if (emu_cfg.sector)
if (!f_read(&fp, &emu_cfg.sector, 4, NULL)){
if (emu_cfg.sector){
found = true;
}
else
{
// strcpy(emu_cfg.emummc_file_based_path, "sd:");
strcpy(emu_cfg.emummc_file_based_path, "");
strcat(emu_cfg.emummc_file_based_path, path);
strcat(emu_cfg.emummc_file_based_path, "/file_based");
if (!f_stat(emu_cfg.emummc_file_based_path, NULL))
{
emu_cfg.sector = 0;
emu_cfg.path = path;
found = true;
emu_cfg.enabled = 1;
goto out;
}
}
}
if (found)
strcpy(emu_cfg.emummc_file_based_path, "");
strcat(emu_cfg.emummc_file_based_path, path);
strcat(emu_cfg.emummc_file_based_path, "/raw_emmc_based");
if (!f_open(&fp, emu_cfg.emummc_file_based_path, FA_READ))
{
if (!f_read(&fp, &emu_cfg.sector, 4, NULL)){
if (emu_cfg.sector){
found = true;
emu_cfg.enabled = 4;
goto out;
}
}
}
// strcpy(emu_cfg.emummc_file_based_path, "sd:");
strcpy(emu_cfg.emummc_file_based_path, "");
strcat(emu_cfg.emummc_file_based_path, path);
strcat(emu_cfg.emummc_file_based_path, "/file_based");
if (!f_stat(emu_cfg.emummc_file_based_path, NULL))
{
emu_cfg.sector = 0;
emu_cfg.path = path;
emu_cfg.enabled = 1;
found = true;
goto out;
}
out:
if (found)
{
// Get ID from path.
u32 id_from_path = 0;
u32 path_size = strlen(path);
@@ -149,7 +167,7 @@ int emummc_storage_init_mmc()
if (!emu_cfg.enabled || h_cfg.emummc_force_disable)
return 0;
if (!sd_mount())
if (emu_cfg.enabled == 1 && !sd_mount())
goto out;
if (!emu_cfg.sector)
@@ -182,7 +200,7 @@ out:
int emummc_storage_end()
{
if (!emu_cfg.enabled || h_cfg.emummc_force_disable)
if (!emu_cfg.enabled || h_cfg.emummc_force_disable || emu_cfg.enabled == 4)
emmc_end();
else
sd_end();
@@ -192,6 +210,7 @@ int emummc_storage_end()
int emummc_storage_read(u32 sector, u32 num_sectors, void *buf)
{
sdmmc_storage_t *storage = emu_cfg.enabled == 4 ? &emmc_storage : &sd_storage;
FIL fp;
if (!emu_cfg.enabled || h_cfg.emummc_force_disable)
return sdmmc_storage_read(&emmc_storage, sector, num_sectors, buf);
@@ -199,7 +218,7 @@ int emummc_storage_read(u32 sector, u32 num_sectors, void *buf)
{
sector += emu_cfg.sector;
sector += emummc_raw_get_part_off(emu_cfg.active_part) * 0x2000;
return sdmmc_storage_read(&sd_storage, sector, num_sectors, buf);
return sdmmc_storage_read(storage, sector, num_sectors, buf);
}
else
{
@@ -237,6 +256,7 @@ int emummc_storage_read(u32 sector, u32 num_sectors, void *buf)
int emummc_storage_write(u32 sector, u32 num_sectors, void *buf)
{
sdmmc_storage_t *storage = emu_cfg.enabled == 4 ? &emmc_storage : &sd_storage;
FIL fp;
if (!emu_cfg.enabled || h_cfg.emummc_force_disable)
return sdmmc_storage_write(&emmc_storage, sector, num_sectors, buf);
@@ -244,7 +264,7 @@ int emummc_storage_write(u32 sector, u32 num_sectors, void *buf)
{
sector += emu_cfg.sector;
sector += emummc_raw_get_part_off(emu_cfg.active_part) * 0x2000;
return sdmmc_storage_write(&sd_storage, sector, num_sectors, buf);
return sdmmc_storage_write(storage, sector, num_sectors, buf);
}
else
{
@@ -276,12 +296,15 @@ int emummc_storage_write(u32 sector, u32 num_sectors, void *buf)
}
}
// TODO: active partition may be changed by boot storage access
int emummc_storage_set_mmc_partition(u32 partition)
{
emu_cfg.active_part = partition;
emmc_set_partition(partition);
if(emu_cfg.enabled != 4){
emmc_set_partition(partition);
}else{
emmc_set_partition(EMMC_GPP);
}
if (!emu_cfg.enabled || h_cfg.emummc_force_disable || emu_cfg.sector)
return 1;
@@ -312,5 +335,5 @@ int emummc_storage_set_mmc_partition(u32 partition)
sdmmc_storage_t *emummc_get_storage(){
// TODO: should return &emummc_storage if emummc lives on emmc
return &sd_storage;
return emu_cfg.enabled == 4 ? &emmc_storage : &sd_storage;
}