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This commit is contained in:
Christoph Baumann
2025-05-02 01:43:51 +02:00
parent 2440318cb5
commit 4f72660603
12 changed files with 422 additions and 132 deletions
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175
nyx/nyx_gui/libs/fatfs/diskio.c
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@@ -23,6 +23,72 @@ static u32 ramdisk_sectors = 0;
static u32 emummc_sectors = 0;
static u32 sfd_sectors = 0;
static u32 cur_partition;
static void save_cur_partition(BYTE pdrv){
bool save = false;
switch(pdrv){
case DRIVE_BOOT1:
case DRIVE_BOOT1_1MB:
case DRIVE_EMMC:
save = true;
break;
case DRIVE_SD:
case DRIVE_RAM:
break;
case DRIVE_BIS:
case DRIVE_EMU:
if(nx_emmc_bis_get_storage() == &emmc_storage){
save = true;
}
break;
case DRIVE_SFD:
if(sfd_get_storage() == &emmc_storage){
save = true;
}
break;
default:
break;
}
if(save){
cur_partition = emmc_storage.partition;
}
}
static void restore_cur_partition(BYTE pdrv){
bool restore = false;
switch(pdrv){
case DRIVE_BOOT1:
case DRIVE_BOOT1_1MB:
case DRIVE_EMMC:
restore = true;
break;
case DRIVE_SD:
case DRIVE_RAM:
break;
case DRIVE_BIS:
case DRIVE_EMU:
if(nx_emmc_bis_get_storage() == &emmc_storage){
restore = true;
}
break;
case DRIVE_SFD:
if(sfd_get_storage() == &emmc_storage){
restore = true;
}
break;
default:
break;
}
if(restore){
if(emmc_storage.partition != cur_partition){
emmc_set_partition(cur_partition);
}
}
}
static bool ensure_partition(BYTE pdrv){
u8 part;
switch(pdrv){
@@ -35,6 +101,7 @@ static bool ensure_partition(BYTE pdrv){
break;
case DRIVE_SD:
case DRIVE_RAM:
return true;
case DRIVE_BIS:
case DRIVE_EMU:
case DRIVE_SFD:
@@ -80,30 +147,45 @@ DRESULT disk_read (
UINT count /* Number of sectors to read */
)
{
DRESULT res = RES_OK;
save_cur_partition(pdrv);
if(!ensure_partition(pdrv)){
return RES_ERROR;
res = RES_ERROR;
}
switch (pdrv)
{
case DRIVE_SD:
return sdmmc_storage_read(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
case DRIVE_RAM:
return ram_disk_read(sector, count, (void *)buff);
case DRIVE_EMMC:
return sdmmc_storage_read(&emmc_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
case DRIVE_BIS:
case DRIVE_EMU:
return nx_emmc_bis_read(sector, count, (void *)buff) ? RES_OK : RES_ERROR;
case DRIVE_BOOT1_1MB:
return sdmmc_storage_read(&emmc_storage, sector + (0x100000 / 512), count, buff) ? RES_OK : RES_ERROR;
case DRIVE_BOOT1:
return sdmmc_storage_read(&emmc_storage, sector, count, buff) ? RES_OK : RES_ERROR;
case DRIVE_SFD:
return sfd_read(sector, count, buff) ? RES_OK : RES_ERROR;
if(res == RES_OK){
switch (pdrv)
{
case DRIVE_SD:
res = sdmmc_storage_read(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
break;
case DRIVE_RAM:
res = ram_disk_read(sector, count, (void *)buff);
break;
case DRIVE_EMMC:
res = sdmmc_storage_read(&emmc_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
break;
case DRIVE_BIS:
case DRIVE_EMU:
res = nx_emmc_bis_read(sector, count, (void *)buff) ? RES_OK : RES_ERROR;
break;
case DRIVE_BOOT1_1MB:
res = sdmmc_storage_read(&emmc_storage, sector + (0x100000 / 512), count, buff) ? RES_OK : RES_ERROR;
break;
case DRIVE_BOOT1:
res = sdmmc_storage_read(&emmc_storage, sector, count, buff) ? RES_OK : RES_ERROR;
break;
case DRIVE_SFD:
res = sfd_read(sector, count, buff) ? RES_OK : RES_ERROR;
break;
}
}
return RES_ERROR;
restore_cur_partition(pdrv);
return res;
}
/*-----------------------------------------------------------------------*/
@@ -116,30 +198,47 @@ DRESULT disk_write (
UINT count /* Number of sectors to write */
)
{
DRESULT res = RES_OK;
save_cur_partition(pdrv);
if(!ensure_partition(pdrv)){
return RES_ERROR;
res = RES_ERROR;
}
switch (pdrv)
{
case DRIVE_SD:
return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
case DRIVE_RAM:
return ram_disk_write(sector, count, (void *)buff);
case DRIVE_EMMC:
case DRIVE_BIS:
return RES_WRPRT;
case DRIVE_EMU:
return nx_emmc_bis_write(sector, count, (void *)buff) ? RES_OK : RES_ERROR;
case DRIVE_BOOT1_1MB:
return sdmmc_storage_write(&emmc_storage, sector + (0x100000 / 512), count, (void*)buff) ? RES_OK : RES_ERROR;
case DRIVE_BOOT1:
return sdmmc_storage_write(&emmc_storage, sector, count, (void*)buff) ? RES_OK : RES_ERROR;
case DRIVE_SFD:
return sfd_write(sector, count, (void*)buff) ? RES_OK : RES_ERROR;
if(res == RES_OK){
switch (pdrv)
{
case DRIVE_SD:
res = sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
break;
case DRIVE_RAM:
res = ram_disk_write(sector, count, (void *)buff);
break;
case DRIVE_EMMC:
res = sdmmc_storage_write(&emmc_storage, sector, count, (void*)buff) ? RES_OK : RES_ERROR;
break;
case DRIVE_BIS:
res = RES_WRPRT;
break;
case DRIVE_EMU:
res = nx_emmc_bis_write(sector, count, (void *)buff) ? RES_OK : RES_ERROR;
break;
case DRIVE_BOOT1_1MB:
res = sdmmc_storage_write(&emmc_storage, sector + (0x100000 / 512), count, (void*)buff) ? RES_OK : RES_ERROR;
break;
case DRIVE_BOOT1:
res = sdmmc_storage_write(&emmc_storage, sector, count, (void*)buff) ? RES_OK : RES_ERROR;
break;
case DRIVE_SFD:
res = sfd_write(sector, count, (void*)buff) ? RES_OK : RES_ERROR;
break;
}
}
return RES_ERROR;
restore_cur_partition(pdrv);
return res;
}
/*-----------------------------------------------------------------------*/