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fatfs: Restore win buffer order and explicitly DMA align it

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CTCaer 2021-02-05 23:32:07 +02:00
parent 15a7e49dde
commit 8038e1faa9
1 changed files with 4 additions and 4 deletions
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8
bdk/libs/fatfs/ff.h
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@ -95,7 +95,6 @@ typedef DWORD FSIZE_t;
/* Filesystem object structure (FATFS) */ /* Filesystem object structure (FATFS) */
typedef struct { typedef struct {
BYTE win[FF_MAX_SS]; /* Disk access window for Directory, FAT (and file data at tiny cfg) */
BYTE fs_type; /* Filesystem type (0:not mounted) */ BYTE fs_type; /* Filesystem type (0:not mounted) */
BYTE part_type; /* Partition type (0:MBR, 1:GPT) */ BYTE part_type; /* Partition type (0:MBR, 1:GPT) */
BYTE pdrv; /* Associated physical drive */ BYTE pdrv; /* Associated physical drive */
@ -139,6 +138,7 @@ typedef struct {
DWORD bitbase; /* Allocation bitmap base sector */ DWORD bitbase; /* Allocation bitmap base sector */
#endif #endif
DWORD winsect; /* Current sector appearing in the win[] */ DWORD winsect; /* Current sector appearing in the win[] */
BYTE win[FF_MAX_SS] __attribute__((aligned(8))); /* Disk access window for Directory, FAT (and file data at tiny cfg). DMA aligned. */
} FATFS; } FATFS;
@ -169,9 +169,6 @@ typedef struct {
/* File object structure (FIL) */ /* File object structure (FIL) */
typedef struct { typedef struct {
#if !FF_FS_TINY
BYTE buf[FF_MAX_SS]; /* File private data read/write window */
#endif
FFOBJID obj; /* Object identifier (must be the 1st member to detect invalid object pointer) */ FFOBJID obj; /* Object identifier (must be the 1st member to detect invalid object pointer) */
BYTE flag; /* File status flags */ BYTE flag; /* File status flags */
BYTE err; /* Abort flag (error code) */ BYTE err; /* Abort flag (error code) */
@ -185,6 +182,9 @@ typedef struct {
#if FF_USE_FASTSEEK #if FF_USE_FASTSEEK
DWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */ DWORD* cltbl; /* Pointer to the cluster link map table (nulled on open, set by application) */
#endif #endif
#if !FF_FS_TINY
BYTE buf[FF_MAX_SS] __attribute__((aligned(8))); /* File private data read/write window. DMA aligned. */
#endif
} FIL; } FIL;