mirror of
https://vps.suchmeme.nl/git/mudkip/Lockpick_RCM.git
synced 2024-11-22 08:29:21 +01:00
fatfs: Merge some hekate changes
This commit is contained in:
shchmue
parent
c7972f043d
commit
d8586b4763
@ -38,10 +38,8 @@
|
||||
|
||||
#include "ff.h" /* Declarations of FatFs API */
|
||||
#include "diskio.h" /* Declarations of device I/O functions */
|
||||
#include "../../gfx/gfx.h"
|
||||
|
||||
#define EFSPRINTF(text, ...) print_error(); gfx_printf("%k"text"%k\n", 0xFFFFFF00, 0xFFFFFFFF);
|
||||
//#define EFSPRINTF(...)
|
||||
#define EFSPRINTF(text, ...)
|
||||
|
||||
/*--------------------------------------------------------------------------
|
||||
|
||||
@ -532,7 +530,7 @@ static WCHAR LfnBuf[FF_MAX_LFN + 1]; /* LFN working buffer */
|
||||
#define FREE_NAMBUF() ff_memfree(lfn)
|
||||
#endif
|
||||
#define LEAVE_MKFS(res) { if (!work) ff_memfree(buf); return res; }
|
||||
#define MAX_MALLOC 0x8000 /* Must be >=FF_MAX_SS */
|
||||
#define MAX_MALLOC 0x4000 /* Must be >=FF_MAX_SS */
|
||||
|
||||
#else
|
||||
#error Wrong setting of FF_USE_LFN
|
||||
@ -592,16 +590,6 @@ static const BYTE DbcTbl[] = MKCVTBL(TBL_DC, FF_CODE_PAGE);
|
||||
|
||||
---------------------------------------------------------------------------*/
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Print error header */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
|
||||
void print_error()
|
||||
{
|
||||
gfx_printf("\n\n\n%k[FatFS] Error: %k", 0xFFFFFF00, 0xFFFFFFFF);
|
||||
}
|
||||
|
||||
|
||||
/*-----------------------------------------------------------------------*/
|
||||
/* Load/Store multi-byte word in the FAT structure */
|
||||
/*-----------------------------------------------------------------------*/
|
||||
@ -3921,13 +3909,12 @@ FRESULT f_read_fast (
|
||||
FATFS *fs;
|
||||
UINT csize_bytes;
|
||||
DWORD clst;
|
||||
UINT count = 0;
|
||||
DWORD wbytes;
|
||||
UINT count;
|
||||
FSIZE_t work_sector = 0;
|
||||
FSIZE_t sector_base = 0;
|
||||
BYTE *wbuff = (BYTE*)buff;
|
||||
|
||||
// TODO support sector reading inside a cluster
|
||||
|
||||
res = validate(&fp->obj, &fs); /* Check validity of the file object */
|
||||
if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) {
|
||||
EFSPRINTF("FOV");
|
||||
@ -3939,6 +3926,17 @@ FRESULT f_read_fast (
|
||||
if (btr > remain) btr = (UINT)remain; /* Truncate btr by remaining bytes */
|
||||
|
||||
csize_bytes = fs->csize * SS(fs);
|
||||
DWORD csect = (UINT)((fp->fptr / SS(fs)) & (fs->csize - 1)); /* Sector offset in the cluster */
|
||||
|
||||
/* If inside a cluster, read the sectors and align to cluster. */
|
||||
if (csect) {
|
||||
wbytes = MIN(btr, (fs->csize - csect) * SS(fs));
|
||||
f_read(fp, wbuff, wbytes, (void *)0);
|
||||
wbuff += wbytes;
|
||||
btr -= wbytes;
|
||||
if (!btr)
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (!fp->fptr) { /* On the top of the file? */
|
||||
clst = fp->obj.sclust; /* Follow from the origin */
|
||||
@ -3946,15 +3944,22 @@ FRESULT f_read_fast (
|
||||
if (fp->cltbl) clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */
|
||||
else { EFSPRINTF("CLTBL"); ABORT(fs, FR_CLTBL_NO_INIT); }
|
||||
}
|
||||
|
||||
if (clst < 2) { EFSPRINTF("CCHK"); ABORT(fs, FR_INT_ERR); }
|
||||
else if (clst == 0xFFFFFFFF) { EFSPRINTF("DSKC"); ABORT(fs, FR_DISK_ERR); }
|
||||
|
||||
fp->clust = clst; /* Set working cluster */
|
||||
|
||||
wbytes = MIN(btr, csize_bytes);
|
||||
sector_base = clst2sect(fs, fp->clust);
|
||||
count += fs->csize;
|
||||
btr -= csize_bytes;
|
||||
fp->fptr += csize_bytes;
|
||||
count = wbytes / SS(fs);
|
||||
fp->fptr += wbytes;
|
||||
btr -= wbytes;
|
||||
|
||||
if (!btr) { /* Final cluster/sectors read. */
|
||||
if (disk_read(fs->pdrv, wbuff, sector_base, count) != RES_OK) ABORT(fs, FR_DISK_ERR);
|
||||
goto out;
|
||||
}
|
||||
|
||||
while (btr) {
|
||||
clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */
|
||||
@ -3965,26 +3970,25 @@ FRESULT f_read_fast (
|
||||
fp->clust = clst;
|
||||
|
||||
work_sector = clst2sect(fs, fp->clust);
|
||||
if ((work_sector - sector_base) == count) count += fs->csize;
|
||||
wbytes = MIN(btr, csize_bytes);
|
||||
if ((work_sector - sector_base) == count) count += wbytes / SS(fs);
|
||||
else {
|
||||
if (disk_read(fs->pdrv, wbuff, sector_base, count) != RES_OK) ABORT(fs, FR_DISK_ERR);
|
||||
wbuff += count * SS(fs);
|
||||
|
||||
sector_base = work_sector;
|
||||
count = fs->csize;
|
||||
count = wbytes / SS(fs);
|
||||
}
|
||||
|
||||
fp->fptr += MIN(btr, csize_bytes);
|
||||
btr -= MIN(btr, csize_bytes);
|
||||
|
||||
// TODO: what about if data is smaller than cluster?
|
||||
// Must read-write back that cluster.
|
||||
fp->fptr += wbytes;
|
||||
btr -= wbytes;
|
||||
|
||||
if (!btr) { /* Final cluster/sectors read. */
|
||||
if (disk_read(fs->pdrv, wbuff, sector_base, count) != RES_OK) ABORT(fs, FR_DISK_ERR);
|
||||
}
|
||||
}
|
||||
|
||||
out:
|
||||
LEAVE_FF(fs, FR_OK);
|
||||
}
|
||||
#endif
|
||||
@ -4147,12 +4151,11 @@ FRESULT f_write_fast (
|
||||
FATFS *fs;
|
||||
UINT csize_bytes;
|
||||
DWORD clst;
|
||||
UINT count = 0;
|
||||
DWORD wbytes;
|
||||
UINT count;
|
||||
FSIZE_t work_sector = 0;
|
||||
FSIZE_t sector_base = 0;
|
||||
const BYTE *wbuff = (const BYTE*)buff;
|
||||
|
||||
// TODO support sector writing inside a cluster
|
||||
BYTE *wbuff = (BYTE*)buff;
|
||||
|
||||
res = validate(&fp->obj, &fs); /* Check validity of the file object */
|
||||
if (res != FR_OK || (res = (FRESULT)fp->err) != FR_OK) {
|
||||
@ -4167,6 +4170,19 @@ FRESULT f_write_fast (
|
||||
}
|
||||
|
||||
csize_bytes = fs->csize * SS(fs);
|
||||
DWORD csect = (UINT)((fp->fptr / SS(fs)) & (fs->csize - 1)); /* Sector offset in the cluster */
|
||||
|
||||
/* If inside a cluster, write the sectors and align to cluster. */
|
||||
if (csect) {
|
||||
wbytes = MIN(btw, (fs->csize - csect) * SS(fs));
|
||||
f_write(fp, wbuff, wbytes, (void *)0);
|
||||
/* Ensure flushing of it. FatFS is not notified for next write if raw. */
|
||||
f_sync(fp);
|
||||
wbuff += wbytes;
|
||||
btw -= wbytes;
|
||||
if (!btw)
|
||||
goto out;
|
||||
}
|
||||
|
||||
if (!fp->fptr) { /* On the top of the file? */
|
||||
clst = fp->obj.sclust; /* Follow from the origin */
|
||||
@ -4176,44 +4192,51 @@ FRESULT f_write_fast (
|
||||
}
|
||||
|
||||
if (clst < 2) { EFSPRINTF("CCHK"); ABORT(fs, FR_INT_ERR); }
|
||||
else if (clst == 0xFFFFFFFF) { EFSPRINTF("DERR"); ABORT(fs, FR_DISK_ERR); }
|
||||
else if (clst == 0xFFFFFFFF) { EFSPRINTF("DSKC"); ABORT(fs, FR_DISK_ERR); }
|
||||
|
||||
fp->clust = clst; /* Set working cluster */
|
||||
|
||||
wbytes = MIN(btw, csize_bytes);
|
||||
sector_base = clst2sect(fs, fp->clust);
|
||||
count += fs->csize;
|
||||
btw -= csize_bytes;
|
||||
fp->fptr += csize_bytes;
|
||||
count = wbytes / SS(fs);
|
||||
fp->fptr += wbytes;
|
||||
btw -= wbytes;
|
||||
|
||||
if (!btw) { /* Final cluster/sectors write. */
|
||||
if (disk_write(fs->pdrv, wbuff, sector_base, count) != RES_OK) ABORT(fs, FR_DISK_ERR);
|
||||
fp->flag &= (BYTE)~FA_DIRTY;
|
||||
goto out;
|
||||
}
|
||||
|
||||
while (btw) {
|
||||
clst = clmt_clust(fp, fp->fptr); /* Get cluster# from the CLMT */
|
||||
|
||||
if (clst < 2) { EFSPRINTF("CCHK2"); ABORT(fs, FR_INT_ERR); }
|
||||
else if (clst == 0xFFFFFFFF) { EFSPRINTF("DERR"); ABORT(fs, FR_DISK_ERR); }
|
||||
else if (clst == 0xFFFFFFFF) { EFSPRINTF("DSKC"); ABORT(fs, FR_DISK_ERR); }
|
||||
|
||||
fp->clust = clst;
|
||||
|
||||
work_sector = clst2sect(fs, fp->clust);
|
||||
if ((work_sector - sector_base) == count) count += fs->csize;
|
||||
wbytes = MIN(btw, csize_bytes);
|
||||
if ((work_sector - sector_base) == count) count += wbytes / SS(fs);
|
||||
else {
|
||||
if (disk_write(fs->pdrv, wbuff, sector_base, count) != RES_OK) ABORT(fs, FR_DISK_ERR);
|
||||
wbuff += count * SS(fs);
|
||||
|
||||
sector_base = work_sector;
|
||||
count = fs->csize;
|
||||
count = wbytes / SS(fs);
|
||||
}
|
||||
|
||||
fp->fptr += MIN(btw, csize_bytes);
|
||||
btw -= MIN(btw, csize_bytes);
|
||||
fp->fptr += wbytes;
|
||||
btw -= wbytes;
|
||||
|
||||
// what about if data is smaller than cluster?
|
||||
// Probably must read-write back that cluster.
|
||||
if (!btw) { /* Final cluster/sectors write. */
|
||||
if (disk_write(fs->pdrv, wbuff, sector_base, count) != RES_OK) ABORT(fs, FR_DISK_ERR);
|
||||
fp->flag &= (BYTE)~FA_DIRTY;
|
||||
}
|
||||
}
|
||||
|
||||
out:
|
||||
fp->flag |= FA_MODIFIED; /* Set file change flag */
|
||||
|
||||
LEAVE_FF(fs, FR_OK);
|
||||
@ -4689,19 +4712,17 @@ FRESULT f_lseek (
|
||||
DWORD *f_expand_cltbl (
|
||||
FIL* fp, /* Pointer to the file object */
|
||||
UINT tblsz, /* Size of table */
|
||||
DWORD *tbl, /* Table pointer */
|
||||
FSIZE_t ofs /* File pointer from top of file */
|
||||
)
|
||||
{
|
||||
if (fp->flag & FA_WRITE) f_lseek(fp, ofs); /* Expand file if write is enabled */
|
||||
if (!fp->cltbl) { /* Allocate memory for cluster link table */
|
||||
fp->cltbl = (DWORD *)ff_memalloc(tblsz);
|
||||
fp->cltbl[0] = tblsz;
|
||||
}
|
||||
fp->cltbl = (DWORD *)tbl;
|
||||
fp->cltbl[0] = tblsz;
|
||||
if (f_lseek(fp, CREATE_LINKMAP)) { /* Create cluster link table */
|
||||
ff_memfree(fp->cltbl);
|
||||
fp->cltbl = NULL;
|
||||
fp->cltbl = (void *)0;
|
||||
EFSPRINTF("CLTBLSZ");
|
||||
return NULL;
|
||||
return (void *)0;
|
||||
}
|
||||
f_lseek(fp, 0);
|
||||
|
||||
@ -5842,7 +5863,7 @@ FRESULT f_mkfs (
|
||||
UINT len /* Size of working buffer [byte] */
|
||||
)
|
||||
{
|
||||
const UINT n_fats = 2; /* Number of FATs for FAT/FAT32 volume (1 or 2) */
|
||||
const UINT n_fats = 1; /* Number of FATs for FAT/FAT32 volume (1 or 2) */
|
||||
const UINT n_rootdir = 512; /* Number of root directory entries for FAT volume */
|
||||
static const WORD cst[] = {1, 4, 16, 64, 256, 512, 0}; /* Cluster size boundary for FAT volume (4Ks unit) */
|
||||
static const WORD cst32[] = {1, 2, 4, 8, 16, 32, 0}; /* Cluster size boundary for FAT32 volume (128Ks unit) */
|
||||
@ -5906,7 +5927,7 @@ FRESULT f_mkfs (
|
||||
} else {
|
||||
/* Create a single-partition in this function */
|
||||
if (disk_ioctl(pdrv, GET_SECTOR_COUNT, &sz_vol) != RES_OK) LEAVE_MKFS(FR_DISK_ERR);
|
||||
b_vol = (opt & FM_SFD) ? 0 : 32768; /* Volume start sector. Align to 16MB */
|
||||
b_vol = (opt & FM_SFD) ? 0 : 63; /* Volume start sector */
|
||||
if (sz_vol < b_vol) LEAVE_MKFS(FR_MKFS_ABORTED);
|
||||
sz_vol -= b_vol; /* Volume size */
|
||||
}
|
||||
@ -6130,9 +6151,6 @@ FRESULT f_mkfs (
|
||||
if (fmt == FS_FAT32) { /* FAT32: Move FAT base */
|
||||
sz_rsv += n; b_fat += n;
|
||||
} else { /* FAT: Expand FAT size */
|
||||
if (n % n_fats) { /* Adjust fractional error if needed */
|
||||
n--; sz_rsv++; b_fat++;
|
||||
}
|
||||
sz_fat += n / n_fats;
|
||||
}
|
||||
|
||||
@ -6196,13 +6214,13 @@ FRESULT f_mkfs (
|
||||
st_word(buf + BPB_BkBootSec32, 6); /* Offset of backup VBR (VBR + 6) */
|
||||
buf[BS_DrvNum32] = 0x80; /* Drive number (for int13) */
|
||||
buf[BS_BootSig32] = 0x29; /* Extended boot signature */
|
||||
mem_cpy(buf + BS_VolLab32, "SWITCH SD " "FAT32 ", 19); /* Volume label, FAT signature */
|
||||
mem_cpy(buf + BS_VolLab32, "NO NAME " "FAT32 ", 19); /* Volume label, FAT signature */
|
||||
} else {
|
||||
st_dword(buf + BS_VolID, GET_FATTIME()); /* VSN */
|
||||
st_word(buf + BPB_FATSz16, (WORD)sz_fat); /* FAT size [sector] */
|
||||
buf[BS_DrvNum] = 0x80; /* Drive number (for int13) */
|
||||
buf[BS_BootSig] = 0x29; /* Extended boot signature */
|
||||
mem_cpy(buf + BS_VolLab, "SWITCH SD " "FAT ", 19); /* Volume label, FAT signature */
|
||||
mem_cpy(buf + BS_VolLab, "NO NAME " "FAT ", 19); /* Volume label, FAT signature */
|
||||
}
|
||||
st_word(buf + BS_55AA, 0xAA55); /* Signature (offset is fixed here regardless of sector size) */
|
||||
if (disk_write(pdrv, buf, b_vol, 1) != RES_OK) LEAVE_MKFS(FR_DISK_ERR); /* Write it to the VBR sector */
|
||||
|
||||
@ -289,7 +289,7 @@ FRESULT f_getlabel (const TCHAR* path, TCHAR* label, DWORD* vsn); /* Get volume
|
||||
FRESULT f_setlabel (const TCHAR* label); /* Set volume label */
|
||||
FRESULT f_forward (FIL* fp, UINT(*func)(const BYTE*,UINT), UINT btf, UINT* bf); /* Forward data to the stream */
|
||||
#ifdef FF_FASTFS
|
||||
DWORD *f_expand_cltbl (FIL* fp, UINT tblsz, FSIZE_t ofs); /* Expand file and populate cluster table */
|
||||
DWORD *f_expand_cltbl (FIL* fp, UINT tblsz, DWORD *tbl, FSIZE_t ofs); /* Expand file and populate cluster table */
|
||||
#endif
|
||||
FRESULT f_expand (FIL* fp, FSIZE_t fsz, BYTE opt); /* Allocate a contiguous block to the file */
|
||||
FRESULT f_mount (FATFS* fs, const TCHAR* path, BYTE opt); /* Mount/Unmount a logical drive */
|
||||
|
||||
Loading…
Reference in New Issue
Block a user