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@ -122,19 +122,31 @@
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//@}
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//@}
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/* Enums: */
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/* Enums: */
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/** Enum for the Root FAT file entry indexes on the disk. This can be used
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* to retrieve the current contents of a known directory entry.
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*/
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enum
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enum
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{
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{
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/** Volume ID directory entry, giving the name of the virtual disk. */
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DISK_FILE_ENTRY_VolumeID = 0,
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DISK_FILE_ENTRY_VolumeID = 0,
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/** Long File Name FAT file entry of the virtual firmware image file. */
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DISK_FILE_ENTRY_FirmwareLFN = 1,
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DISK_FILE_ENTRY_FirmwareLFN = 1,
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/** Legacy MSDOS FAT file entry of the virtual firmware image file. */
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DISK_FILE_ENTRY_FirmwareMSDOS = 2,
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DISK_FILE_ENTRY_FirmwareMSDOS = 2,
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};
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};
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/** Enum for the physical disk blocks of the virtual disk. */
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enum
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enum
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{
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{
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/** Boot sector disk block. */
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DISK_BLOCK_BootBlock = 0,
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DISK_BLOCK_BootBlock = 0,
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/** First copy of the FAT table block. */
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DISK_BLOCK_FATBlock1 = 1,
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DISK_BLOCK_FATBlock1 = 1,
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/** Second copy of the FAT table block. */
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DISK_BLOCK_FATBlock2 = 2,
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DISK_BLOCK_FATBlock2 = 2,
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/** Root file and directory entries block. */
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DISK_BLOCK_RootFilesBlock = 3,
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DISK_BLOCK_RootFilesBlock = 3,
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/** Start block of the disk data section. */
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DISK_BLOCK_DataStartBlock = 4,
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DISK_BLOCK_DataStartBlock = 4,
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};
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};
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@ -143,8 +155,8 @@
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* parameters of a FAT file system stored on a disk.
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* parameters of a FAT file system stored on a disk.
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*
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*
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* \note This definition is truncated to save space; the magic signature
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* \note This definition is truncated to save space; the magic signature
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* 0xAA55 must be appended to the very end of the block for it to
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* \c 0xAA55 must be appended to the very end of the block for it
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* be detected by the host as a valid boot block.
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* to be detected by the host as a valid boot block.
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*/
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*/
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typedef struct
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typedef struct
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{
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{
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@ -176,7 +188,7 @@
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*/
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*/
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typedef union
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typedef union
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{
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{
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/** FAT Long File Name directory entry. */
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/** VFAT Long File Name file entry. */
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struct
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struct
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{
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{
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uint8_t Ordinal;
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uint8_t Ordinal;
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@ -199,7 +211,7 @@
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uint16_t Unicode13;
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uint16_t Unicode13;
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} VFAT_LongFileName;
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} VFAT_LongFileName;
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/** FAT MSDOS 8.3 legacy file entry. */
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/** Legacy FAT MSDOS 8.3 file entry. */
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struct
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struct
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{
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{
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uint8_t Filename[8];
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uint8_t Filename[8];
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@ -212,7 +224,7 @@
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uint32_t FileSizeBytes;
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uint32_t FileSizeBytes;
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} MSDOS_File;
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} MSDOS_File;
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/** FAT MSDOS (sub-)directory entry. */
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/** Legacy FAT MSDOS (sub-)directory entry. */
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struct
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struct
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{
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{
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uint8_t Name[11];
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uint8_t Name[11];
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