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Add partitioning

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Also add sd mounting/unmounting
Also add vol+/- controls for sideways menus
This commit is contained in:
suchmememanyskill
2020-12-28 20:08:15 +01:00
parent baec43da2a
commit f1d433e69a
12 changed files with 225 additions and 15 deletions
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81
bdk/libs/fatfs/ff.c
View File

@@ -39,6 +39,7 @@
#include "ff.h" /* Declarations of FatFs API */
#include "diskio.h" /* Declarations of device I/O functions */
#include <gfx_utils.h>
#include "../../storage/nx_sd.h"
#define EFSPRINTF(text, ...) print_error(); gfx_printf("%k"text"%k\n", 0xFFFFFF00, 0xFFFFFFFF);
//#define EFSPRINTF(...)
@@ -5861,7 +5862,7 @@ FRESULT f_mkfs (
if (vol < 0) return FR_INVALID_DRIVE;
if (FatFs[vol]) FatFs[vol]->fs_type = 0; /* Clear the volume if mounted */
pdrv = LD2PD(vol); /* Physical drive */
part = LD2PT(vol); /* Partition (0:create as new, 1-4:get from partition table) */
part = 1; /* Partition (0:create as new, 1-4:get from partition table) */
/* Check physical drive status */
stat = disk_initialize(pdrv);
@@ -5892,7 +5893,7 @@ FRESULT f_mkfs (
if (!buf || sz_buf == 0) return FR_NOT_ENOUGH_CORE;
/* Determine where the volume to be located (b_vol, sz_vol) */
if (FF_MULTI_PARTITION && part != 0) {
if (part > 0) {
/* Get partition information from partition table in the MBR */
if (disk_read(pdrv, buf, 0, 1) != RES_OK) LEAVE_MKFS(FR_DISK_ERR); /* Load MBR */
if (ld_word(buf + BS_55AA) != 0xAA55) LEAVE_MKFS(FR_MKFS_ABORTED); /* Check if MBR is valid */
@@ -6262,7 +6263,7 @@ FRESULT f_mkfs (
}
/* Update partition information */
if (FF_MULTI_PARTITION && part != 0) { /* Created in the existing partition */
if (part != 0) { /* Created in the existing partition */
/* Update system ID in the partition table */
if (disk_read(pdrv, buf, 0, 1) != RES_OK) LEAVE_MKFS(FR_DISK_ERR); /* Read the MBR */
buf[MBR_Table + (part - 1) * SZ_PTE + PTE_System] = sys; /* Set system ID */
@@ -6371,7 +6372,81 @@ FRESULT f_fdisk (
#endif /* FF_MULTI_PARTITION */
#endif /* FF_USE_MKFS && !FF_FS_READONLY */
extern sdmmc_storage_t sd_storage;
FRESULT f_fdisk_mod (
BYTE pdrv, /* Physical drive number */
const DWORD* szt, /* Pointer to the size table for each partitions */
void* work
)
{
UINT i, n, sz_cyl, tot_cyl, e_cyl;
BYTE s_hd, e_hd, *p, *buf = (BYTE*)work;
DSTATUS stat;
DWORD sz_disk, p_sect, b_cyl, b_sect;
FRESULT res;
stat = disk_initialize(pdrv);
if (stat & STA_NOINIT) return FR_NOT_READY;
if (stat & STA_PROTECT) return FR_WRITE_PROTECTED;
sz_disk = sd_storage.csd.capacity;
if (!buf) return FR_NOT_ENOUGH_CORE;
/* Determine the CHS without any consideration of the drive geometry */
for (n = 16; n < 256 && sz_disk / n / 63 > 1024; n *= 2) ;
if (n == 256) n--;
e_hd = (BYTE)(n - 1);
sz_cyl = 63 * n;
tot_cyl = sz_disk / sz_cyl;
/* Create partition table */
mem_set(buf, 0, 0x10000);
p = buf + MBR_Table; b_cyl = 0, b_sect = 0;
for (i = 0; i < 4; i++, p += SZ_PTE) {
p_sect = szt[i]; /* Number of sectors */
if (p_sect == 0)
continue;
if (i == 0) { /* Exclude first 16MiB of sd */
s_hd = 1;
b_sect += 32768; p_sect -= 32768;
}
else
s_hd = 0;
b_cyl = b_sect / sz_cyl;
e_cyl = ((b_sect + p_sect) / sz_cyl) - 1; /* End cylinder */
if (e_cyl >= tot_cyl)
LEAVE_MKFS(FR_INVALID_PARAMETER);
/* Set partition table */
p[1] = s_hd; /* Start head */
p[2] = (BYTE)(((b_cyl >> 2) & 0xC0) | 1); /* Start sector */
p[3] = (BYTE)b_cyl; /* Start cylinder */
p[4] = 0x07; /* System type (temporary setting) */
p[5] = e_hd; /* End head */
p[6] = (BYTE)(((e_cyl >> 2) & 0xC0) | 63); /* End sector */
p[7] = (BYTE)e_cyl; /* End cylinder */
st_dword(p + 8, b_sect); /* Start sector in LBA */
st_dword(p + 12, p_sect); /* Number of sectors */
/* Next partition */
for (u32 cursect = 0; cursect < 512; cursect++){
disk_write(pdrv, buf + 0x4000, b_sect + (64 * cursect), 64);
}
b_sect += p_sect;
}
st_word(p, 0xAA55); /* MBR signature (always at offset 510) */
/* Write it to the MBR */
res = (disk_write(pdrv, buf, 0, 1) == RES_OK && disk_ioctl(pdrv, CTRL_SYNC, 0) == RES_OK) ? FR_OK : FR_DISK_ERR;
LEAVE_MKFS(res);
}
#if FF_USE_STRFUNC

1
bdk/libs/fatfs/ff.h
View File

@@ -291,6 +291,7 @@ FRESULT f_expand (FIL* fp, FSIZE_t fsz, BYTE opt); /* Allocate a contiguous
FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
FRESULT f_mkfs (const TCHAR* path, BYTE opt, DWORD au, void* work, UINT len); /* Create a FAT volume */
FRESULT f_fdisk (BYTE pdrv, const DWORD* szt, void* work); /* Divide a physical drive into some partitions */
FRESULT f_fdisk_mod (BYTE pdrv, const DWORD* szt, void* work); // Modded version of f_fdisk that works:tm:
FRESULT f_setcp (WORD cp); /* Set current code page */
int f_putc (TCHAR c, FIL* fp); /* Put a character to the file */
int f_puts (const TCHAR* str, FIL* cp); /* Put a string to the file */