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nyx: part mgr: add eMMC partition manager

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The eMMC partition manager allows user the following:
- Resize HOS USER partition
- Add and flash Linux partitions
- Add and flash Android partitions

It is hidden and is accessible by holding the `Partition SD Card` button for
5 seconds.
This commit is contained in:
CTCaer
2025-06-22 14:44:43 +03:00
parent 97707e3401
commit aa65e368ba
5 changed files with 555 additions and 89 deletions
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55
nyx/nyx_gui/libs/fatfs/diskio.c
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@@ -1,7 +1,7 @@
/*-----------------------------------------------------------------------*/
/* Low level disk I/O module skeleton for FatFs */
/* (C) ChaN, 2016 */
/* (C) CTCaer, 2018-2020 */
/* (C) CTCaer, 2018-2025 */
/*-----------------------------------------------------------------------*/
/* If a working storage control module is available, it should be */
/* attached to the FatFs via a glue function rather than modifying it. */
@@ -17,7 +17,10 @@
static u32 sd_rsvd_sectors = 0;
static u32 ramdisk_sectors = 0;
static u32 emummc_sectors = 0;
static u32 bis_sectors = 0;
static u32 emummc_sectors = 0;
static bool bis_write_allowed = false;
/*-----------------------------------------------------------------------*/
/* Get Drive Status */
@@ -82,9 +85,11 @@ DRESULT disk_write (
case DRIVE_RAM:
return ram_disk_write(sector, count, (void *)buff);
case DRIVE_EMMC:
case DRIVE_BIS:
return RES_WRPRT;
case DRIVE_BIS:
case DRIVE_EMU:
if (pdrv == DRIVE_BIS && !bis_write_allowed)
return RES_WRPRT;
return nx_emmc_bis_write(sector, count, (void *)buff) ? RES_OK : RES_ERROR;
}
@@ -102,8 +107,9 @@ DRESULT disk_ioctl (
{
DWORD *buf = (DWORD *)buff;
if (pdrv == DRIVE_SD)
switch (pdrv)
{
case DRIVE_SD:
switch (cmd)
{
case GET_SECTOR_COUNT:
@@ -113,9 +119,9 @@ DRESULT disk_ioctl (
*buf = 32768; // Align to 16MB.
break;
}
}
else if (pdrv == DRIVE_RAM)
{
break;
case DRIVE_RAM:
switch (cmd)
{
case GET_SECTOR_COUNT:
@@ -125,21 +131,33 @@ DRESULT disk_ioctl (
*buf = 2048; // Align to 1MB.
break;
}
}
else if (pdrv == DRIVE_EMU)
{
break;
case DRIVE_BIS:
switch (cmd)
{
case GET_SECTOR_COUNT:
*buf = bis_sectors;
break;
case GET_BLOCK_SIZE:
*buf = 32768; // Align to 16MB.
break;
}
break;
case DRIVE_EMU:
switch (cmd)
{
case GET_SECTOR_COUNT:
*buf = emummc_sectors;
break;
case GET_BLOCK_SIZE:
*buf = 32768; // Align to 16MB.
*buf = 16384; // Align to 8MB (With BOOT0/1 data will be at 16MB BU).
break;
}
}
else // Catch all for unknown devices.
{
break;
default: // Catch all for unknown devices.
switch (cmd)
{
case CTRL_SYNC:
@@ -149,6 +167,7 @@ DRESULT disk_ioctl (
*buf = 0; // Zero value to force default or abort.
break;
}
break;
}
return RES_OK;
@@ -169,14 +188,22 @@ DRESULT disk_set_info (
case DRIVE_SD:
sd_rsvd_sectors = *buf;
break;
case DRIVE_RAM:
ramdisk_sectors = *buf;
break;
case DRIVE_BIS:
bis_sectors = *buf;
break;
case DRIVE_EMU:
emummc_sectors = *buf;
break;
}
}
else if (cmd == SET_WRITE_PROTECT && pdrv == DRIVE_BIS)
bis_write_allowed = *(bool *)buff;
return RES_OK;
}