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https://github.com/shchmue/Lockpick_RCM.git
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Respect IRAM stack in diskio.c
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dae4c72910
commit
abc2c85864
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@ -49,14 +49,14 @@ static sector_cache_t *sector_cache = (sector_cache_t*)0x40020000;
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static u32 secindex = 0;
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static u32 secindex = 0;
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DSTATUS disk_status (
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DSTATUS disk_status (
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BYTE pdrv /* Physical drive nmuber to identify the drive */
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BYTE pdrv /* Physical drive number to identify the drive */
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)
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)
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{
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{
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return 0;
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return 0;
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}
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}
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DSTATUS disk_initialize (
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DSTATUS disk_initialize (
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BYTE pdrv /* Physical drive nmuber to identify the drive */
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BYTE pdrv /* Physical drive number to identify the drive */
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)
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)
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{
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{
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return 0;
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return 0;
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@ -125,7 +125,7 @@ out:;
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}
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}
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DRESULT disk_read (
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DRESULT disk_read (
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BYTE pdrv, /* Physical drive nmuber to identify the drive */
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BYTE pdrv, /* Physical drive number to identify the drive */
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BYTE *buff, /* Data buffer to store read data */
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BYTE *buff, /* Data buffer to store read data */
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DWORD sector, /* Start sector in LBA */
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DWORD sector, /* Start sector in LBA */
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UINT count /* Number of sectors to read */
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UINT count /* Number of sectors to read */
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@ -134,15 +134,7 @@ DRESULT disk_read (
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switch (pdrv)
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switch (pdrv)
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{
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{
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case 0:
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case 0:
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if ((u32)buff >= DRAM_START)
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return sdmmc_storage_read(&sd_storage, sector, count, buff) ? RES_OK : RES_ERROR;
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return sdmmc_storage_read(&sd_storage, sector, count, buff) ? RES_OK : RES_ERROR;
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u8 *buf = (u8 *)SDMMC_UPPER_BUFFER;
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if (sdmmc_storage_read(&sd_storage, sector, count, buf))
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{
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memcpy(buff, buf, 512 * count);
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return RES_OK;
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}
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return RES_ERROR;
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case 1:;
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case 1:;
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__attribute__ ((aligned (16))) static u8 tweak[0x10];
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__attribute__ ((aligned (16))) static u8 tweak[0x10];
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@ -198,7 +190,7 @@ DRESULT disk_read (
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}
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}
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DRESULT disk_write (
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DRESULT disk_write (
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BYTE pdrv, /* Physical drive nmuber to identify the drive */
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BYTE pdrv, /* Physical drive number to identify the drive */
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const BYTE *buff, /* Data to be written */
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const BYTE *buff, /* Data to be written */
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DWORD sector, /* Start sector in LBA */
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DWORD sector, /* Start sector in LBA */
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UINT count /* Number of sectors to write */
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UINT count /* Number of sectors to write */
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@ -206,17 +198,11 @@ DRESULT disk_write (
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{
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{
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if (pdrv == 1)
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if (pdrv == 1)
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return RES_WRPRT;
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return RES_WRPRT;
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if ((u32)buff >= DRAM_START)
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return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
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return sdmmc_storage_write(&sd_storage, sector, count, (void *)buff) ? RES_OK : RES_ERROR;
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u8 *buf = (u8 *)SDMMC_UPPER_BUFFER; //TODO: define this somewhere.
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memcpy(buf, buff, 512 * count);
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if (sdmmc_storage_write(&sd_storage, sector, count, buf))
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return RES_OK;
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return RES_ERROR;
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}
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}
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DRESULT disk_ioctl (
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DRESULT disk_ioctl (
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BYTE pdrv, /* Physical drive nmuber (0..) */
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BYTE pdrv, /* Physical drive number (0..) */
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BYTE cmd, /* Control code */
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BYTE cmd, /* Control code */
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void *buff /* Buffer to send/receive control data */
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void *buff /* Buffer to send/receive control data */
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)
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)
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