mirror of
https://github.com/CTCaer/hekate.git
synced 2024-11-26 11:42:09 +00:00
fatfs: Add Ramdisk support
This commit is contained in:
CTCaer
parent
c8d6da5a23
commit
a2bb576c03
5 changed files with 86 additions and 11 deletions
|
|
@ -47,6 +47,7 @@ DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
|
|||
/* Generic command (Used by FatFs) */
|
||||
#define CTRL_SYNC 0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */
|
||||
#define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
|
||||
#define SET_SECTOR_COUNT 1 /* Set media size (needed at FF_USE_MKFS == 1) */
|
||||
#define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
|
||||
#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */
|
||||
#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */
|
||||
|
|
|
|||
|
|
@ -12,6 +12,7 @@
|
|||
#include "diskio.h" /* FatFs lower layer API */
|
||||
#include "../../../../common/memory_map.h"
|
||||
#include "../../storage/nx_sd.h"
|
||||
#include "../../storage/ramdisk.h"
|
||||
#include "../../storage/sdmmc.h"
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
|
@ -44,7 +45,15 @@ DRESULT disk_read (
|
|||
UINT count /* Number of sectors to read */
|
||||
)
|
||||
{
|
||||
return sdmmc_storage_read(&sd_storage, sector, count, buff) ? RES_OK : 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);
|
||||
}
|
||||
|
||||
return RES_ERROR;
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
|
@ -57,17 +66,74 @@ DRESULT disk_write (
|
|||
UINT count /* Number of sectors to write */
|
||||
)
|
||||
{
|
||||
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);
|
||||
}
|
||||
|
||||
return RES_ERROR;
|
||||
}
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Miscellaneous Functions */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
static u32 part_rsvd_size = 0;
|
||||
DRESULT disk_ioctl (
|
||||
BYTE pdrv, /* Physical drive nmuber (0..) */
|
||||
BYTE cmd, /* Control code */
|
||||
void *buff /* Buffer to send/receive control data */
|
||||
)
|
||||
{
|
||||
DWORD *buf = (DWORD *)buff;
|
||||
|
||||
if (pdrv == DRIVE_SD)
|
||||
{
|
||||
switch (cmd)
|
||||
{
|
||||
case GET_SECTOR_COUNT:
|
||||
*buf = sd_storage.sec_cnt - part_rsvd_size;
|
||||
break;
|
||||
case GET_BLOCK_SIZE:
|
||||
*buf = 32768; // Align to 16MB.
|
||||
break;
|
||||
}
|
||||
}
|
||||
else if (pdrv == DRIVE_RAM)
|
||||
{
|
||||
switch (cmd)
|
||||
{
|
||||
case GET_SECTOR_COUNT:
|
||||
*buf = RAM_DISK_SZ >> 9; // 1GB.
|
||||
break;
|
||||
case GET_BLOCK_SIZE:
|
||||
*buf = 2048; // Align to 1MB.
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return RES_OK;
|
||||
}
|
||||
|
||||
DRESULT disk_set_info (
|
||||
BYTE pdrv, /* Physical drive nmuber (0..) */
|
||||
BYTE cmd, /* Control code */
|
||||
void *buff /* Buffer to send/receive control data */
|
||||
)
|
||||
{
|
||||
DWORD *buf = (DWORD *)buff;
|
||||
|
||||
if (pdrv == DRIVE_SD)
|
||||
{
|
||||
switch (cmd)
|
||||
{
|
||||
case SET_SECTOR_COUNT:
|
||||
part_rsvd_size = *buf;
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
return RES_OK;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -23,6 +23,11 @@ typedef enum {
|
|||
RES_PARERR /* 4: Invalid Parameter */
|
||||
} DRESULT;
|
||||
|
||||
typedef enum {
|
||||
DRIVE_SD = 0,
|
||||
DRIVE_RAM = 1,
|
||||
} DDRIVE;
|
||||
|
||||
|
||||
/*---------------------------------------*/
|
||||
/* Prototypes for disk control functions */
|
||||
|
|
@ -33,6 +38,7 @@ DSTATUS disk_status (BYTE pdrv);
|
|||
DRESULT disk_read (BYTE pdrv, BYTE* buff, DWORD sector, UINT count);
|
||||
DRESULT disk_write (BYTE pdrv, const BYTE* buff, DWORD sector, UINT count);
|
||||
DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
|
||||
DRESULT disk_set_info (BYTE pdrv, BYTE cmd, void *buff);
|
||||
|
||||
|
||||
/* Disk Status Bits (DSTATUS) */
|
||||
|
|
@ -47,6 +53,7 @@ DRESULT disk_ioctl (BYTE pdrv, BYTE cmd, void* buff);
|
|||
/* Generic command (Used by FatFs) */
|
||||
#define CTRL_SYNC 0 /* Complete pending write process (needed at FF_FS_READONLY == 0) */
|
||||
#define GET_SECTOR_COUNT 1 /* Get media size (needed at FF_USE_MKFS == 1) */
|
||||
#define SET_SECTOR_COUNT 1 /* Set media size (needed at FF_USE_MKFS == 1) */
|
||||
#define GET_SECTOR_SIZE 2 /* Get sector size (needed at FF_MAX_SS != FF_MIN_SS) */
|
||||
#define GET_BLOCK_SIZE 3 /* Get erase block size (needed at FF_USE_MKFS == 1) */
|
||||
#define CTRL_TRIM 4 /* Inform device that the data on the block of sectors is no longer used (needed at FF_USE_TRIM == 1) */
|
||||
|
|
|
|||
|
|
@ -38,7 +38,7 @@
|
|||
/ f_findnext(). (0:Disable, 1:Enable 2:Enable with matching altname[] too) */
|
||||
|
||||
|
||||
#define FF_USE_MKFS 0
|
||||
#define FF_USE_MKFS 1
|
||||
/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
|
||||
|
||||
#define FF_FASTFS 1
|
||||
|
|
@ -60,7 +60,7 @@
|
|||
/ (0:Disable or 1:Enable) Also FF_FS_READONLY needs to be 0 to enable this option. */
|
||||
|
||||
|
||||
#define FF_USE_LABEL 0
|
||||
#define FF_USE_LABEL 1
|
||||
/* This option switches volume label functions, f_getlabel() and f_setlabel().
|
||||
/ (0:Disable or 1:Enable) */
|
||||
|
||||
|
|
@ -155,7 +155,7 @@
|
|||
*/
|
||||
|
||||
|
||||
#define FF_FS_RPATH 0
|
||||
#define FF_FS_RPATH 1
|
||||
/* This option configures support for relative path.
|
||||
/
|
||||
/ 0: Disable relative path and remove related functions.
|
||||
|
|
@ -168,12 +168,13 @@
|
|||
/ Drive/Volume Configurations
|
||||
/---------------------------------------------------------------------------*/
|
||||
|
||||
#define FF_VOLUMES 1
|
||||
#define FF_VOLUMES 2
|
||||
/* Number of volumes (logical drives) to be used. (1-10) */
|
||||
|
||||
|
||||
#define FF_STR_VOLUME_ID 0
|
||||
#define FF_VOLUME_STRS "sd"
|
||||
#define FF_STR_VOLUME_ID 1
|
||||
// Order is important. Any change to order, must also be reflected to diskio drive enum.
|
||||
#define FF_VOLUME_STRS "sd","ram"
|
||||
/* FF_STR_VOLUME_ID switches support for volume ID in arbitrary strings.
|
||||
/ When FF_STR_VOLUME_ID is set to 1 or 2, arbitrary strings can be used as drive
|
||||
/ number in the path name. FF_VOLUME_STRS defines the volume ID strings for each
|
||||
|
|
@ -241,7 +242,7 @@
|
|||
/ Note that enabling exFAT discards ANSI C (C89) compatibility. */
|
||||
|
||||
|
||||
#define FF_FS_NORTC 1
|
||||
#define FF_FS_NORTC 0
|
||||
#define FF_NORTC_MON 1
|
||||
#define FF_NORTC_MDAY 1
|
||||
#define FF_NORTC_YEAR 2019
|
||||
|
|
|
|||
|
|
@ -151,7 +151,7 @@ bool sd_mount()
|
|||
else
|
||||
{
|
||||
sd_init_done = true;
|
||||
res = f_mount(&sd_fs, "", 1);
|
||||
res = f_mount(&sd_fs, "sd:", 1);
|
||||
if (res == FR_OK)
|
||||
{
|
||||
sd_mounted = true;
|
||||
|
|
@ -173,7 +173,7 @@ void sd_unmount(bool deinit)
|
|||
|
||||
if (sd_init_done && sd_mounted)
|
||||
{
|
||||
f_mount(NULL, "", 1);
|
||||
f_mount(NULL, "sd:", 1);
|
||||
sd_mounted = false;
|
||||
}
|
||||
if (sd_init_done && deinit)
|
||||
|
|
|
|||
Loading…
Reference in a new issue