| /**************************************************************************** |
| * apps/futils/mkfatfs/fat32.h |
| * |
| * Copyright (C) 2007-2009, 2011, 2017-2018 Gregory Nutt. All rights |
| * reserved. |
| * Author: Gregory Nutt <gnutt@nuttx.org> |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * 1. Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * 2. Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in |
| * the documentation and/or other materials provided with the |
| * distribution. |
| * 3. Neither the name NuttX nor the names of its contributors may be |
| * used to endorse or promote products derived from this software |
| * without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS |
| * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT |
| * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS |
| * FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE |
| * COPYRIGHT OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, |
| * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, |
| * BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS |
| * OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED |
| * AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN |
| * ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE |
| * POSSIBILITY OF SUCH DAMAGE. |
| * |
| ****************************************************************************/ |
| |
| #ifndef __APPS_FSUTILS_MKFATFS_FAT32_H |
| #define __APPS_FSUTILS_MKFATFS_FAT32_H |
| |
| /**************************************************************************** |
| * Included Files |
| ****************************************************************************/ |
| |
| #include <nuttx/config.h> |
| |
| #include <sys/types.h> |
| #include <stdint.h> |
| #include <stdbool.h> |
| #include <semaphore.h> |
| #include <time.h> |
| |
| #include <nuttx/kmalloc.h> |
| #include <nuttx/fs/dirent.h> |
| |
| /**************************************************************************** |
| * Pre-processor Definitions |
| ****************************************************************************/ |
| |
| /**************************************************************************** |
| * These offsets describes the master boot record (MBR). |
| * |
| * The following fields are common to FAT12/16/32 (but all value descriptions |
| * refer to the interpretation under FAT32). |
| */ |
| |
| #define MBR_JUMP 0 /* 3@0: Jump instruction to boot code (ignored) */ |
| #define MBR_OEMNAME 3 /* 8@3: Usually "MSWIN4.1" */ |
| #define MBR_BYTESPERSEC 11 /* 2@11: Bytes per sector: 512, 1024, 2048, 4096 */ |
| #define MBR_SECPERCLUS 13 /* 1@13: Sectors per allocation unit: 2**n, n=0..7 */ |
| #define MBR_RESVDSECCOUNT 14 /* 2@14: Reserved sector count: Usually 32 */ |
| #define MBR_NUMFATS 16 /* 1@16: Number of FAT data structures: always 2 */ |
| #define MBR_ROOTENTCNT 17 /* 2@17: FAT12/16: Must be 0 for FAT32 */ |
| #define MBR_TOTSEC16 19 /* 2@19: FAT12/16: Must be 0, see MBR_TOTSEC32 */ |
| #define MBR_MEDIA 21 /* 1@21: Media code: f0, f8, f9-fa, fc-ff */ |
| #define MBR_FATSZ16 22 /* 2@22: FAT12/16: Must be 0, see MBR_FATSZ32 */ |
| #define MBR_SECPERTRK 24 /* 2@24: Sectors per track geometry value */ |
| #define MBR_NUMHEADS 26 /* 2@26: Number of heads geometry value */ |
| #define MBR_HIDSEC 28 /* 4@28: Count of hidden sectors preceding FAT */ |
| #define MBR_TOTSEC32 32 /* 4@32: Total count of sectors on the volume */ |
| |
| /* The following fields are only valid for FAT12/16 */ |
| |
| #define MBR16_DRVNUM 36 /* 1@36: Drive number for MSDOS bootstrap */ |
| /* 1@37: Reserved (zero) */ |
| #define MBR16_BOOTSIG 38 /* 1@38: Extended boot signature: 0x29 if following valid */ |
| #define MBR16_VOLID 39 /* 4@39: Volume serial number */ |
| #define MBR16_VOLLAB 43 /* 11@43: Volume label */ |
| #define MBR16_FILESYSTYPE 54 /* 8@54: "FAT12 ", "FAT16 ", or "FAT " */ |
| |
| #define MBR16_BOOTCODE 62 /* Boot code may be placed in the remainder of the sector */ |
| #define MBR16_BOOTCODESIZE 448 |
| |
| /* The following fields are only valid for FAT32 */ |
| |
| #define MBR32_FATSZ32 36 /* 4@36: Count of sectors occupied by one FAT */ |
| #define MBR32_EXTFLAGS 40 /* 2@40: 0-3:Active FAT, 7=0 both FATS, 7=1 one FAT */ |
| #define MBR32_FSVER 42 /* 2@42: MSB:Major LSB:Minor revision number (0.0) */ |
| #define MBR32_ROOTCLUS 44 /* 4@44: Cluster no. of 1st cluster of root dir */ |
| #define MBR32_FSINFO 48 /* 2@48: Sector number of fsinfo structure. Usually 1. */ |
| #define MBR32_BKBOOTSEC 50 /* 2@50: Sector number of boot record. Usually 6 */ |
| /* 12@52: Reserved (zero) */ |
| #define MBR32_DRVNUM 64 /* 1@64: Drive number for MSDOS bootstrap */ |
| /* 1@65: Reserved (zero) */ |
| #define MBR32_BOOTSIG 66 /* 1@66: Extended boot signature: 0x29 if following valid */ |
| #define MBR32_VOLID 67 /* 4@67: Volume serial number */ |
| #define MBR32_VOLLAB 71 /* 11@71: Volume label */ |
| #define MBR32_FILESYSTYPE 82 /* 8@82: "FAT12 ", "FAT16 ", or "FAT " */ |
| |
| #define MBR32_BOOTCODE 90 /* Boot code may be placed in the remainder of the sector */ |
| #define MBR32_BOOTCODESIZE 420 |
| |
| /* If the sector is not an MBR, then it could have a partition table at |
| * this offset. |
| */ |
| |
| #define MBR_TABLE 446 |
| |
| /* The magic bytes at the end of the MBR are common to FAT12/16/32 */ |
| |
| #define MBR_SIGNATURE 510 /* 2@510: Valid MBRs have 0x55aa here */ |
| |
| #define BOOT_SIGNATURE16 0xaa55 |
| #define BOOT_SIGNATURE32 0xaa550000 |
| |
| /* The extended boot signature (BS16/32_BOOTSIG) */ |
| |
| #define EXTBOOT_SIGNATURE 0x29 |
| |
| /**************************************************************************** |
| * These offsets describes the partition table. |
| */ |
| /* 446@0: Generally unused and zero; but may |
| * include IDM Boot Manager menu entry at 8@394 */ |
| #define PART_ENTRY(n) (446+((n) << 4)) /* n = 0,1,2,3 */ |
| #define PART_ENTRY1 446 /* 16@446: Partition table, first entry */ |
| #define PART_ENTRY2 462 /* 16@462: Partition table, second entry */ |
| #define PART_ENTRY3 478 /* 16@478: Partition table, third entry */ |
| #define PART_ENTRY4 494 /* 16@494: Partition table, fourth entry */ |
| #define PART_SIGNATURE 510 /* 2@510: Valid partitions have 0x55aa here */ |
| |
| /**************************************************************************** |
| * These offsets describes one partition table entry. NOTE that ent entries |
| * are aligned to 16-bit offsets so that the STARTSECTOR and SIZE values are |
| * not properly aligned. |
| */ |
| |
| #define PART_BOOTINDICATOR 0 /* 1@0: Boot indicator (0x80: active;0x00:otherwise) */ |
| #define PART_STARTCHS 1 /* 3@1: Starting Cylinder/Head/Sector values */ |
| #define PART_TYPE 4 /* 1@4: Partition type description */ |
| #define PART_ENDCHS 5 /* 3@5: Ending Cylinder/Head/Sector values */ |
| #define PART_STARTSECTOR 8 /* 4@8: Starting sector */ |
| #define PART_SIZE 12 /* 4@12: Partition size (in sectors) */ |
| |
| /**************************************************************************** |
| * Partition table types. |
| */ |
| |
| #define PART_TYPE_NONE 0 /* No partition */ |
| #define PART_TYPE_FAT12 1 /* FAT12 */ |
| #define PART_TYPE_FAT16A 4 /* FAT16 (Partition smaller than 32MB) */ |
| #define PART_TYPE_EXT 5 /* Extended MS-DOS Partition */ |
| #define PART_TYPE_FAT16B 6 /* FAT16 (Partition larger than 32MB) */ |
| #define PART_TYPE_FAT32 11 /* FAT32 (Partition up to 2048Gb) */ |
| #define PART_TYPE_FAT32X 12 /* Same as 11, but uses LBA1 0x13 extensions */ |
| #define PART_TYPE_FAT16X 14 /* Same as 6, but uses LBA1 0x13 extensions */ |
| #define PART_TYPE_EXTX 15 /* Same as 5, but uses LBA1 0x13 extensions */ |
| |
| /**************************************************************************** |
| * Fat Boot Record (FBR). |
| * |
| * The FBR is always the very first sector in the partition. Validity check |
| * is performed by comparing the 16 bit word at offset 1FE to AA55. The |
| * structure of the FBR is shown below. |
| * |
| * NOTE that the fields of the FBR are equivalent to the MBR. |
| */ |
| |
| #define FBR_OEMNAME 3 /* 8@3: Usually "MSWIN4.1" */ |
| #define FBR_BYTESPERSEC 11 /* 2@11: Bytes per sector: 512, 1024, 2048, 4096 */ |
| #define FBR_SECPERCLUS 13 /* 1@13: Sectors per allocation unit: 2**n, n=0..7 */ |
| #define FBR_RESVDSECCOUNT 14 /* 2@14: Reserved sector count: Usually 32 */ |
| #define FBR_NUMFATS 16 /* 1@16: Number of FAT data structures: always 2 */ |
| #define FBR_ROOTENTCNT 17 /* 2@17: FAT12/16: Must be 0 for FAT32 */ |
| #define FBR_TOTSEC16 19 /* 2@19: FAT12/16: Must be 0, see FBR_TOTSEC32 */ |
| #define FBR_MEDIA 21 /* 1@21: Media code: f0, f8, f9-fa, fc-ff */ |
| #define FBR_FATSZ16 22 /* 2@22: FAT12/16: Must be 0, see FBR_FATSZ32 */ |
| #define FBR_SECPERTRK 24 /* 2@24: Sectors per track geometry value */ |
| #define FBR_NUMHEADS 26 /* 2@26: Number of heads geometry value */ |
| #define FBR_HIDSEC 28 /* 4@28: Count of hidden sectors preceding FAT */ |
| #define FBR_TOTSEC32 32 /* 4@32: Total count of sectors on the volume */ |
| #define FBR_FATSZ32 36 /* 4@36: Count of sectors occupied by one FAT (FAT32) */ |
| #define FBR_EXTFLAGS 40 /* 2@40: Ext Flags */ |
| #define FBR_FSVER 42 /* 2@42: FS Version */ |
| #define FBR_ROOTCLUS 44 /* 4@44: Cluster no. of 1st cluster of root dir */ |
| #define FBR_FSINFO 48 /* 2@48: FS Info Sector */ |
| #define FBR_BKBOOTSEC 50 /* 2@50: Sector number of boot record. Usually 6 */ |
| /* 52-301 Reserved */ |
| |
| /* The following fields are only valid for FAT12/16 */ |
| |
| #define FBR16_DRVNUM 36 /* 1@36: Drive number for MSDOS bootstrap */ |
| /* 1@37: Reserved (zero) */ |
| #define FBR16_BOOTSIG 38 /* 1@38: Extended boot signature: 0x29 if following valid */ |
| #define FBR16_VOLID 39 /* 4@39: Volume serial number */ |
| #define FBR16_VOLLAB 43 /* 11@43: Volume label */ |
| #define FBR16_FILESYSTYPE 54 /* 8@54: "FAT12 ", "FAT16 ", or "FAT " */ |
| |
| /* The following fields are only valid for FAT32 */ |
| |
| #define FBR32_DRVNUM 64 /* 1@64: Drive number for MSDOS bootstrap */ |
| #define FBR32_BOOTSIG 65 /* 1@65: Extended boot signature: 0x29 if following valid */ |
| #define FBR32_VOLID 66 /* 4@66: Volume serial number */ |
| #define FBR32_VOLLAB 71 /* 11@71: Volume label */ |
| #define FBR32_FILESYSTYPE 82 /* 8@62: "FAT12 ", "FAT16 ", or "FAT " */ |
| |
| /* The magic bytes at the end of the MBR are common to FAT12/16/32 */ |
| |
| #define FBR_SIGNATURE 510 /* 2@510: Valid MBRs have 0x55aa here */ |
| |
| /**************************************************************************** |
| * Each FAT "short" 8.3 file name directory entry is 32-bytes long. |
| * |
| * Sizes and limits |
| */ |
| |
| /**************************************************************************** |
| * Each FAT "short" 8.3 file name directory entry is 32-bytes long. |
| * |
| * Sizes and limits |
| */ |
| |
| #define DIR_MAXFNAME 11 /* Max short name size is 8+3 = 11 */ |
| |
| /* The following define offsets relative to the beginning of a directory |
| * entry. |
| */ |
| |
| #define DIR_NAME 0 /* 11@ 0: NAME: 8 bytes + 3 byte extension */ |
| #define DIR_ATTRIBUTES 11 /* 1@11: File attributes (see below) */ |
| #define DIR_NTRES 12 /* 1@12: Reserved for use by NT */ |
| #define DIR_CRTTIMETENTH 13 /* 1@13: Tenth sec creation timestamp */ |
| #define DIR_CRTIME 14 /* 2@14: Time file created */ |
| #define DIR_CRDATE 16 /* 2@16: Date file created */ |
| #define DIR_LASTACCDATE 18 /* 2@19: Last access date */ |
| #define DIR_FSTCLUSTHI 20 /* 2@20: MS first cluster number */ |
| #define DIR_WRTTIME 22 /* 2@22: Time of last write */ |
| #define DIR_WRTDATE 24 /* 2@24: Date of last write */ |
| #define DIR_FSTCLUSTLO 26 /* 2@26: LS first cluster number */ |
| #define DIR_FILESIZE 28 /* 4@28: File size in bytes */ |
| #define DIR_SIZE 32 /* The size of one directory entry */ |
| #define DIR_SHIFT 5 /* log2 of DIR_SIZE */ |
| |
| /* First byte of the directory name has special meanings: */ |
| |
| #define DIR0_EMPTY 0xe5 /* The directory entry is empty */ |
| #define DIR0_ALLEMPTY 0x00 /* This entry and all following are empty */ |
| #define DIR0_E5 0x05 /* The actual value is 0xe5 */ |
| |
| /* NTRES flags in the FAT directory */ |
| |
| #define FATNTRES_LCNAME 0x08 /* Lower case in name */ |
| #define FATNTRES_LCEXT 0x10 /* Lower case in extension */ |
| |
| /* Directory indexing helper. Each directory entry is 32-bytes in length. |
| * The number of directory entries in a sector then varies with the size |
| * of the sector supported in hardware. |
| */ |
| |
| #define DIRSEC_NDXMASK(f) (((f)->fs_hwsectorsize - 1) >> 5) |
| #define DIRSEC_NDIRS(f) (((f)->fs_hwsectorsize) >> 5) |
| #define DIRSEC_BYTENDX(f,i) (((i) & DIRSEC_NDXMASK(fs)) << 5) |
| |
| #define SEC_NDXMASK(f) ((f)->fs_hwsectorsize - 1) |
| #define SEC_NSECTORS(f,n) ((n) / (f)->fs_hwsectorsize) |
| |
| #define CLUS_NDXMASK(f) ((f)->fs_fatsecperclus - 1) |
| |
| /**************************************************************************** |
| * The FAT "long" file name (LFN) directory entry */ |
| |
| #ifdef CONFIG_FAT_LFN |
| |
| /* Sizes and limits */ |
| |
| # ifndef CONFIG_FAT_MAXFNAME /* The maximum support filename can be limited */ |
| # define LDIR_MAXFNAME 255 /* Max unicode characters in file name */ |
| # elif CONFIG_FAT_MAXFNAME <= 255 |
| # define LDIR_MAXFNAME CONFIG_FAT_MAXFNAME |
| # else |
| # error "Illegal value for CONFIG_FAT_MAXFNAME" |
| # endif |
| |
| # define LDIR_MAXLFNCHARS 13 /* Max unicode characters in one LFN entry */ |
| # define LDIR_MAXLFNS 20 /* Max number of LFN entries */ |
| |
| /* LFN directory entry offsets */ |
| |
| # define LDIR_SEQ 0 /* 1@ 0: Sequence number */ |
| # define LDIR_WCHAR1_5 1 /* 10@ 1: File name characters 1-5 (5 Unicode characters) */ |
| # define LDIR_ATTRIBUTES 11 /* 1@11: File attributes (always 0x0f) */ |
| # define LDIR_NTRES 12 /* 1@12: Reserved for use by NT (always 0x00) */ |
| # define LDIR_CHECKSUM 13 /* 1@13: Checksum of the DOS filename */ |
| # define LDIR_WCHAR6_11 14 /* 12@14: File name characters 6-11 (6 Unicode characters) */ |
| # define LDIR_FSTCLUSTLO 26 /* 2@26: First cluster (always 0x0000) */ |
| # define LDIR_WCHAR12_13 28 /* 4@28: File name characters 12-13 (2 Unicode characters) */ |
| |
| /* LFN sequence number and allocation status */ |
| |
| # define LDIR0_EMPTY DIR0_EMPTY /* The directory entry is empty */ |
| # define LDIR0_ALLEMPTY DIR0_ALLEMPTY /* This entry and all following are empty */ |
| # define LDIR0_E5 DIR0_E5 /* The actual value is 0xe5 */ |
| # define LDIR0_LAST 0x40 /* Last LFN in file name (appears first) */ |
| # define LDIR0_SEQ_MASK 0x1f /* Mask for sequence number (1-20) */ |
| |
| /* The LFN entry attribute */ |
| |
| # define LDDIR_LFNATTR 0x0f |
| #endif |
| |
| /**************************************************************************** |
| * File system types */ |
| |
| #define FSTYPE_FAT12 0 |
| #define FSTYPE_FAT16 1 |
| #define FSTYPE_FAT32 2 |
| |
| /* File buffer flags (ff_bflags) */ |
| |
| #define FFBUFF_VALID 1 |
| #define FFBUFF_DIRTY 2 |
| #define FFBUFF_MODIFIED 4 |
| |
| /* Mount status flags (ff_bflags) */ |
| |
| #define UMOUNT_FORCED 8 |
| |
| /**************************************************************************** |
| * These offset describe the FSINFO sector |
| */ |
| |
| #define FSI_LEADSIG 0 /* 4@0: 0x41615252 = "RRaA" */ |
| /* 480@4: Reserved (zero) */ |
| #define FSI_STRUCTSIG 484 /* 4@484: 0x61417272 = "rrAa" */ |
| #define FSI_FREECOUNT 488 /* 4@488: Last free cluster count on volume */ |
| #define FSI_NXTFREE 492 /* 4@492: Cluster number of 1st free cluster */ |
| /* 12@496: Reserved (zero) */ |
| #define FSI_TRAILSIG 508 /* 4@508: 0xaa550000 */ |
| |
| /**************************************************************************** |
| * FAT values |
| */ |
| |
| #define FAT_EOF 0x0ffffff8 |
| #define FAT_BAD 0x0ffffff7 |
| |
| /**************************************************************************** |
| * Maximum cluster by FAT type. This is the key value used to distinguish |
| * between FAT12, 16, and 32. |
| */ |
| |
| /* FAT12: For M$, the calculation is ((1 << 12) - 19). But we will follow the |
| * Linux tradition of allowing slightly more clusters for FAT12. |
| */ |
| |
| #define FAT_MAXCLUST12 ((1 << 12) - 16) |
| |
| /* FAT16: For M$, the calculation is ((1 << 16) - 19). (The uint32_t cast is |
| * needed for architectures where int is only 16 bits). |
| */ |
| |
| #define FAT_MINCLUST16 (FAT_MAXCLUST12 + 1) |
| #define FAT_MAXCLUST16 (((uint32_t)1 << 16) - 16) |
| |
| /* FAT32: M$ reserves the MS 4 bits of a FAT32 FAT entry so only 18 bits are |
| * available. For M$, the calculation is ((1 << 28) - 19). (The uint32_t cast |
| * is needed for architectures where int is only 16 bits). M$ also claims |
| * that the minimum size is 65,527. |
| */ |
| |
| #define FAT_MINCLUST32 65524 |
| /* #define FAT_MINCLUST32 (FAT_MAXCLUST16 + 1) */ |
| #define FAT_MAXCLUST32 (((uint32_t)1 << 28) - 16) |
| |
| /****************************************************************************/ |
| /* Endian-ness helpers */ |
| |
| #ifdef CONFIG_ENDIAN_BIG |
| # define FAT_PUTUINT16(p,v) \ |
| do \ |
| { \ |
| (p)[0] = ((v) >> 8); \ |
| (p)[1] = ((v) & 0xff); \ |
| } \ |
| while (0) |
| #else |
| # define FAT_PUTUINT16(p,v) \ |
| do \ |
| { \ |
| (p)[0] = ((v) & 0xff); \ |
| (p)[1] = ((v) >> 8); \ |
| } \ |
| while (0) |
| #endif |
| |
| #ifdef CONFIG_ENDIAN_BIG |
| # define FAT_PUTUINT32(p,v) \ |
| do \ |
| { \ |
| (p)[0] = ((v) >> 24); \ |
| (p)[1] = (((v) >> 16) & 0xff); \ |
| (p)[2] = (((v) >> 8) & 0xff); \ |
| (p)[3] = ((v) & 0xff); \ |
| } \ |
| while (0) |
| #else |
| # define FAT_PUTUINT32(p,v) \ |
| do \ |
| { \ |
| (p)[0] = ((v) & 0xff); \ |
| (p)[1] = (((v) >> 8) & 0xff); \ |
| (p)[2] = (((v) >> 16) & 0xff); \ |
| (p)[3] = ((v) >> 24); \ |
| } \ |
| while (0) |
| #endif |
| |
| /* Access to data in raw sector data */ |
| |
| #define UBYTE_VAL(p,o) (((uint8_t*)(p))[o]) |
| #define UBYTE_PTR(p,o) &UBYTE_VAL(p,o) |
| #define UBYTE_PUT(p,o,v) (UBYTE_VAL(p,o)=(uint8_t)(v)) |
| |
| #define UINT16_PTR(p,o) ((uint16_t*)UBYTE_PTR(p,o)) |
| #define UINT16_VAL(p,o) (*UINT16_PTR(p,o)) |
| #define UINT16_PUT(p,o,v) (UINT16_VAL(p,o)=(uint16_t)(v)) |
| |
| #define UINT32_PTR(p,o) ((uint32_t*)UBYTE_PTR(p,o)) |
| #define UINT32_VAL(p,o) (*UINT32_PTR(p,o)) |
| #define UINT32_PUT(p,o,v) (UINT32_VAL(p,o)=(uint32_t)(v)) |
| |
| /* Regardless of the endian-ness of the target or alignment of the data, no |
| * special operations are required for byte, string or byte array accesses. |
| * The FAT data stream is little endian so multiple byte values must be |
| * accessed byte-by-byte for big-endian targets. |
| */ |
| |
| #define MBR_PUTSECPERCLUS(p,v) UBYTE_PUT(p,MBR_SECPERCLUS,v) |
| #define MBR_PUTNUMFATS(p,v) UBYTE_PUT(p,MBR_NUMFATS,v) |
| #define MBR_PUTMEDIA(p,v) UBYTE_PUT(p,MBR_MEDIA,v) |
| #define MBR_PUTDRVNUM16(p,v) UBYTE_PUT(p,MBR16_DRVNUM,v) |
| #define MBR_PUTDRVNUM32(p,v) UBYTE_PUT(p,MBR32_DRVNUM,v) |
| #define MBR_PUTBOOTSIG16(p,v) UBYTE_PUT(p,MBR16_BOOTSIG,v) |
| #define MBR_PUTBOOTSIG32(p,v) UBYTE_PUT(p,MBR32_BOOTSIG,v) |
| |
| #define FBR_PUTSECPERCLUS(p,v) UBYTE_PUT(p,FBR_SECPERCLUS,v) |
| #define FBR_PUTNUMFATS(p,v) UBYTE_PUT(p,FBR_NUMFATS,v) |
| #define FBR_PUTMEDIA(p,v) UBYTE_PUT(p,FBR_MEDIA,v) |
| #define FBR_PUTDRVNUM16(p,v) UBYTE_PUT(p,FBR16_DRVNUM,v) |
| #define FBR_PUTDRVNUM32(p,v) UBYTE_PUT(p,FBR32_DRVNUM,v) |
| #define FBR_PUTBOOTSIG16(p,v) UBYTE_PUT(p,FBR16_BOOTSIG,v) |
| #define FBR_PUTBOOTSIG32(p,v) UBYTE_PUT(p,FBR32_BOOTSIG,v) |
| |
| #define PART_PUTTYPE(n,p,v) UBYTE_PUT(p,PART_ENTRY(n)+PART_TYPE,v) |
| #define PART1_PUTTYPE(p,v) UBYTE_PUT(p,PART_ENTRY1+PART_TYPE,v) |
| #define PART2_PUTTYPE(p,v) UBYTE_PUT(p,PART_ENTRY2+PART_TYPE,v) |
| #define PART3_PUTTYPE(p,v) UBYTE_PUT(p,PART_ENTRY3+PART_TYPE,v) |
| #define PART4_PUTTYPE(p,v) UBYTE_PUT(p,PART_ENTRY4+PART_TYPE,v) |
| |
| #define DIR_PUTATTRIBUTES(p,v) UBYTE_PUT(p,DIR_ATTRIBUTES,v) |
| #define DIR_PUTNTRES(p,v) UBYTE_PUT(p,DIR_NTRES,v) |
| #define DIR_PUTCRTTIMETENTH(p,v) UBYTE_PUT(p,DIR_CRTTIMETENTH,v) |
| |
| #ifdef CONFIG_FAT_LFN |
| # define LDIR_PUTSEQ(p,v) UBYTE_PUT(p,LDIR_SEQ,v) |
| # define LDIR_PUTATTRIBUTES(p,v) UBYTE_PUT(p,LDIR_ATTRIBUTES,v) |
| # define LDIR_PUTNTRES(p,v) UBYTE_PUT(p,LDIR_NTRES,v) |
| # define LDIR_PUTCHECKSUM(p,v) UBYTE_PUT(p,LDIR_CHECKSUM,v) |
| #endif |
| |
| /* For the all targets, unaligned values need to be accessed byte-by-byte. |
| * Some architectures may handle unaligned accesses with special interrupt |
| * handlers. But even in that case, it is more efficient to avoid the traps. |
| */ |
| |
| /* Unaligned multi-byte access macros */ |
| |
| #define MBR_PUTBYTESPERSEC(p,v) FAT_PUTUINT16(UBYTE_PTR(p,MBR_BYTESPERSEC),v) |
| #define MBR_PUTROOTENTCNT(p,v) FAT_PUTUINT16(UBYTE_PTR(p,MBR_ROOTENTCNT),v) |
| #define MBR_PUTTOTSEC16(p,v) FAT_PUTUINT16(UBYTE_PTR(p,MBR_TOTSEC16),v) |
| #define MBR_PUTVOLID16(p,v) FAT_PUTUINT32(UBYTE_PTR(p,MBR16_VOLID),v) |
| #define MBR_PUTVOLID32(p,v) FAT_PUTUINT32(UBYTE_PTR(p,MBR32_VOLID),v) |
| |
| #define FBR_PUTBYTESPERSEC(p,v) fat_putuint16(UBYTE_PTR(p,FBR_BYTESPERSEC),v) |
| #define FBR_PUTROOTENTCNT(p,v) fat_putuint16(UBYTE_PTR(p,FBR_ROOTENTCNT),v) |
| #define FBR_PUTTOTSEC16(p,v) fat_putuint16(UBYTE_PTR(p,FBR_TOTSEC16),v) |
| #define FBR_PUTVOLID16(p,v) fat_putuint32(UBYTE_PTR(p,FBR16_VOLID),v) |
| #define FBR_PUTVOLID32(p,v) fat_putuint32(UBYTE_PTR(p,FBR32_VOLID),v) |
| |
| #define PART_PUTSTARTSECTOR(n,p,v) FAT_PUTUINT32(UBYTE_PTR(p,PART_ENTRY(n)+PART_STARTSECTOR),v) |
| #define PART_PUTSIZE(n,p,v) FAT_PUTUINT32(UBYTE_PTR(p,PART_ENTRY(n)+PART_SIZE),v) |
| #define PART1_PUTSTARTSECTOR(p,v) FAT_PUTUINT32(UBYTE_PTR(p,PART_ENTRY1+PART_STARTSECTOR),v) |
| #define PART1_PUTSIZE(p,v) FAT_PUTUINT32(UBYTE_PTR(p,PART_ENTRY1+PART_SIZE),v) |
| #define PART2_PUTSTARTSECTOR(p,v) FAT_PUTUINT32(UBYTE_PTR(p,PART_ENTRY2+PART_STARTSECTOR),v) |
| #define PART2_PUTSIZE(p,v) FAT_PUTUINT32(UBYTE_PTR(p,PART_ENTRY2+PART_SIZE),v) |
| #define PART3_PUTSTARTSECTOR(p,v) FAT_PUTUINT32(UBYTE_PTR(p,PART_ENTRY3+PART_STARTSECTOR),v) |
| #define PART3_PUTSIZE(p,v) FAT_PUTUINT32(UBYTE_PTR(p,PART_ENTRY3+PART_SIZE),v) |
| #define PART4_PUTSTARTSECTOR(p,v) FAT_PUTUINT32(UBYTE_PTR(p,PART_ENTRY4+PART_STARTSECTOR),v) |
| #define PART4_PUTSIZE(p,v) FAT_PUTUINT32(UBYTE_PTR(p,PART_ENTRY4+PART_SIZE),v) |
| |
| #ifdef CONFIG_FAT_LFN |
| # define LDIR_PTRWCHAR1_5(p) UBYTE_PTR(p,LDIR_WCHAR1_5) |
| # define LDIR_PTRWCHAR6_11(p) UBYTE_PTR(p,LDIR_WCHAR6_11) |
| # define LDIR_PTRWCHAR12_13(p) UBYTE_PTR(p,LDIR_WCHAR12_13) |
| #endif |
| |
| /* But for multi-byte values, the endian-ness of the target vs. the little |
| * endian order of the byte stream or alignment of the data within the byte |
| * stream can force special, byte-by-byte accesses. |
| */ |
| |
| #ifdef CONFIG_ENDIAN_BIG |
| |
| /* If the target is big-endian, then even aligned multi-byte values must be |
| * accessed byte-by-byte. |
| */ |
| |
| # define MBR_PUTRESVDSECCOUNT(p,v) FAT_PUTUINT16(UBYTE_PTR(p,MBR_RESVDSECCOUNT),v) |
| # define MBR_PUTFATSZ16(p,v) FAT_PUTUINT16(UBYTE_PTR(p,MBR_FATSZ16),v) |
| # define MBR_PUTSECPERTRK(p,v) FAT_PUTUINT16(UBYTE_PTR(p,MBR_SECPERTRK),v) |
| # define MBR_PUTNUMHEADS(p,v) FAT_PUTUINT16(UBYTE_PTR(p,MBR_NUMHEADS),v) |
| # define MBR_PUTHIDSEC(p,v) FAT_PUTUINT32(UBYTE_PTR(p,MBR_HIDSEC),v) |
| # define MBR_PUTTOTSEC32(p,v) FAT_PUTUINT32(UBYTE_PTR(p,MBR_TOTSEC32),v) |
| # define MBR_PUTFATSZ32(p,v) FAT_PUTUINT32(UBYTE_PTR(p,MBR32_FATSZ32),v) |
| # define MBR_PUTEXTFLAGS(p,v) FAT_PUTUINT16(UBYTE_PTR(p,MBR32_EXTFLAGS),v) |
| # define MBR_PUTFSVER(p,v) FAT_PUTUINT16(UBYTE_PTR(p,MBR32_FSVER),v) |
| # define MBR_PUTROOTCLUS(p,v) FAT_PUTUINT32(UBYTE_PTR(p,MBR32_ROOTCLUS),v) |
| # define MBR_PUTFSINFO(p,v) FAT_PUTUINT16(UBYTE_PTR(p,MBR32_FSINFO),v) |
| # define MBR_PUTBKBOOTSEC(p,v) FAT_PUTUINT16(UBYTE_PTR(p,MBR32_BKBOOTSEC),v) |
| # define MBR_PUTSIGNATURE(p,v) FAT_PUTUINT16(UBYTE_PTR(p,MBR_SIGNATURE),v) |
| |
| # define FBR_PUTRESVDSECCOUNT(p,v) fat_putuint16(UBYTE_PTR(p,FBR_RESVDSECCOUNT),v) |
| # define FBR_PUTFATSZ16(p,v) fat_putuint16(UBYTE_PTR(p,FBR_FATSZ16),v) |
| # define FBR_PUTSECPERTRK(p,v) fat_putuint16(UBYTE_PTR(p,FBR_SECPERTRK),v) |
| # define FBR_PUTNUMHEADS(p,v) fat_putuint16(UBYTE_PTR(p,FBR_NUMHEADS),v) |
| # define FBR_PUTHIDSEC(p,v) fat_putuint32(UBYTE_PTR(p,FBR_HIDSEC),v) |
| # define FBR_PUTTOTSEC32(p,v) fat_putuint32(UBYTE_PTR(p,FBR_TOTSEC32),v) |
| # define FBR_PUTFATSZ32(p,v) fat_putuint32(UBYTE_PTR(p,FBR_FATSZ32),v) |
| # define FBR_PUTEXTFLAGS(p,v) fat_putuint16(UBYTE_PTR(p,FBR_EXTFLAGS),v) |
| # define FBR_PUTFSVER(p,v) fat_putuint16(UBYTE_PTR(p,FBR_FSVER),v) |
| # define FBR_PUTROOTCLUS(p,v) fat_putuint32(UBYTE_PTR(p,FBR_ROOTCLUS),v) |
| # define FBR_PUTFSINFO(p,v) fat_putuint16(UBYTE_PTR(p,FBR_FSINFO),v) |
| # define FBR_PUTBKBOOTSEC(p,v) fat_putuint16(UBYTE_PTR(p,FBR_BKBOOTSEC),v) |
| # define FBR_PUTSIGNATURE(p,v) fat_putuint16(UBYTE_PTR(p,FBR_SIGNATURE),v) |
| |
| # define FSI_PUTLEADSIG(p,v) FAT_PUTUINT32(UBYTE_PTR(p,FSI_LEADSIG),v) |
| # define FSI_PUTSTRUCTSIG(p,v) FAT_PUTUINT32(UBYTE_PTR(p,FSI_STRUCTSIG),v) |
| # define FSI_PUTFREECOUNT(p,v) FAT_PUTUINT32(UBYTE_PTR(p,FSI_FREECOUNT),v) |
| # define FSI_PUTNXTFREE(p,v) FAT_PUTUINT32(UBYTE_PTR(p,FSI_NXTFREE),v) |
| # define FSI_PUTTRAILSIG(p,v) FAT_PUTUINT32(UBYTE_PTR(p,FSI_TRAILSIG),v) |
| |
| # define DIR_PUTCRTIME(p,v) FAT_PUTUINT16(UBYTE_PTR(p,DIR_CRTIME),v) |
| # define DIR_PUTCRDATE(p,v) FAT_PUTUINT16(UBYTE_PTR(p,DIR_CRDATE),v) |
| # define DIR_PUTLASTACCDATE(p,v) FAT_PUTUINT16(UBYTE_PTR(p,DIR_LASTACCDATE),v) |
| # define DIR_PUTFSTCLUSTHI(p,v) FAT_PUTUINT16(UBYTE_PTR(p,DIR_FSTCLUSTHI),v) |
| # define DIR_PUTWRTTIME(p,v) FAT_PUTUINT16(UBYTE_PTR(p,DIR_WRTTIME),v) |
| # define DIR_PUTWRTDATE(p,v) FAT_PUTUINT16(UBYTE_PTR(p,DIR_WRTDATE),v) |
| # define DIR_PUTFSTCLUSTLO(p,v) FAT_PUTUINT16(UBYTE_PTR(p,DIR_FSTCLUSTLO),v) |
| # define DIR_PUTFILESIZE(p,v) FAT_PUTUINT32(UBYTE_PTR(p,DIR_FILESIZE),v) |
| |
| # ifdef CONFIG_FAT_LFN |
| # define LDIR_PUTWCHAR1(p) FAT_PUTUINT16(UBYTE_PTR(p,LDIR_WCHAR1_5),v) |
| # define LDIR_PUTWCHAR2(p) FAT_PUTUINT16(UBYTE_PTR(p,LDIR_WCHAR1_5+2),v) |
| # define LDIR_PUTWCHAR3(p) FAT_PUTUINT16(UBYTE_PTR(p,LDIR_WCHAR1_5+4),v) |
| # define LDIR_PUTWCHAR4(p) FAT_PUTUINT16(UBYTE_PTR(p,LDIR_WCHAR1_5+6),v) |
| # define LDIR_PUTWCHAR5(p) FAT_PUTUINT16(UBYTE_PTR(p,LDIR_WCHAR1_5+8),v) |
| # define LDIR_PUTWCHAR6(p) FAT_PUTUINT16(UBYTE_PTR(p,LDIR_WCHAR6_11),v) |
| # define LDIR_PUTWCHAR7(p) FAT_PUTUINT16(UBYTE_PTR(p,LDIR_WCHAR6_11+2),v) |
| # define LDIR_PUTWCHAR8(p) FAT_PUTUINT16(UBYTE_PTR(p,LDIR_WCHAR6_11+4),v) |
| # define LDIR_PUTWCHAR9(p) FAT_PUTUINT16(UBYTE_PTR(p,LDIR_WCHAR6_11+6),v) |
| # define LDIR_PUTWCHAR10(p) FAT_PUTUINT16(UBYTE_PTR(p,LDIR_WCHAR6_11+8),v) |
| # define LDIR_PUTWCHAR11(p) FAT_PUTUINT16(UBYTE_PTR(p,LDIR_WCHAR6_11+10),v) |
| # define LDIR_PUTWCHAR12(p) FAT_PUTUINT16(UBYTE_PTR(p,LDIR_WCHAR12_13),v) |
| # define LDIR_PUTWCHAR13(p) FAT_PUTUINT16(UBYTE_PTR(p,LDIR_WCHAR12_13+2),v) |
| # endif |
| |
| # define FSI_PUTLEADSIG(p,v) FAT_PUTUINT32(UBYTE_PTR(p,FSI_LEADSIG),v) |
| # define FSI_PUTSTRUCTSIG(p,v) FAT_PUTUINT32(UBYTE_PTR(p,FSI_STRUCTSIG),v) |
| # define FSI_PUTFREECOUNT(p,v) FAT_PUTUINT32(UBYTE_PTR(p,FSI_FREECOUNT),v) |
| # define FSI_PUTNXTFREE(p,v) FAT_PUTUINT32(UBYTE_PTR(p,FSI_NXTFREE),v) |
| # define FSI_PUTTRAILSIG(p,v) FAT_PUTUINT32(UBYTE_PTR(p,FSI_TRAILSIG),v) |
| |
| # define FAT_PUTFAT16(p,i,v) FAT_PUTUINT16(UBYTE_PTR(p,i),v) |
| # define FAT_PUTFAT32(p,i,v) FAT_PUTUINT32(UBYTE_PTR(p,i),v) |
| |
| #else |
| |
| /* But nothing special has to be done for the little endian-case for access |
| * to aligned multibyte values. |
| */ |
| |
| # define MBR_PUTRESVDSECCOUNT(p,v) UINT16_PUT(p,MBR_RESVDSECCOUNT,v) |
| # define MBR_PUTFATSZ16(p,v) UINT16_PUT(p,MBR_FATSZ16,v) |
| # define MBR_PUTSECPERTRK(p,v) UINT16_PUT(p,MBR_SECPERTRK,v) |
| # define MBR_PUTNUMHEADS(p,v) UINT16_PUT(p,MBR_NUMHEADS,v) |
| # define MBR_PUTHIDSEC(p,v) UINT32_PUT(p,MBR_HIDSEC,v) |
| # define MBR_PUTTOTSEC32(p,v) UINT32_PUT(p,MBR_TOTSEC32,v) |
| # define MBR_PUTFATSZ32(p,v) UINT32_PUT(p,MBR32_FATSZ32,v) |
| # define MBR_PUTEXTFLAGS(p,v) UINT16_PUT(p,MBR32_EXTFLAGS,v) |
| # define MBR_PUTFSVER(p,v) UINT16_PUT(p,MBR32_FSVER,v) |
| # define MBR_PUTROOTCLUS(p,v) UINT32_PUT(p,MBR32_ROOTCLUS,v) |
| # define MBR_PUTFSINFO(p,v) UINT16_PUT(p,MBR32_FSINFO,v) |
| # define MBR_PUTBKBOOTSEC(p,v) UINT16_PUT(p,MBR32_BKBOOTSEC,v) |
| # define MBR_PUTSIGNATURE(p,v) UINT16_PUT(p,MBR_SIGNATURE,v) |
| |
| # define FBR_PUTRESVDSECCOUNT(p,v) UINT16_PUT(p,FBR_RESVDSECCOUNT,v) |
| # define FBR_PUTFATSZ16(p,v) UINT16_PUT(p,FBR_FATSZ16,v) |
| # define FBR_PUTSECPERTRK(p,v) UINT16_PUT(p,FBR_SECPERTRK,v) |
| # define FBR_PUTNUMHEADS(p,v) UINT16_PUT(p,FBR_NUMHEADS,v) |
| # define FBR_PUTHIDSEC(p,v) UINT32_PUT(p,FBR_HIDSEC,v) |
| # define FBR_PUTTOTSEC32(p,v) UINT32_PUT(p,FBR_TOTSEC32,v) |
| # define FBR_PUTFATSZ32(p,v) UINT32_PUT(p,FBR_FATSZ32,v) |
| # define FBR_PUTEXTFLAGS(p,v) UINT16_PUT(p,FBR_EXTFLAGS,v) |
| # define FBR_PUTFSVER(p,v) UINT16_PUT(p,FBR_FSVER,v) |
| # define FBR_PUTROOTCLUS(p,v) UINT32_PUT(p,FBR_ROOTCLUS,v) |
| # define FBR_PUTFSINFO(p,v) UINT16_PUT(p,FBR_FSINFO,v) |
| # define FBR_PUTBKBOOTSEC(p,v) UINT16_PUT(p,FBR_BKBOOTSEC,v) |
| # define FBR_PUTSIGNATURE(p,v) UINT16_PUT(p,FBR_SIGNATURE,v) |
| |
| # define FSI_PUTLEADSIG(p,v) UINT32_PUT(p,FSI_LEADSIG,v) |
| # define FSI_PUTSTRUCTSIG(p,v) UINT32_PUT(p,FSI_STRUCTSIG,v) |
| # define FSI_PUTFREECOUNT(p,v) UINT32_PUT(p,FSI_FREECOUNT,v) |
| # define FSI_PUTNXTFREE(p,v) UINT32_PUT(p,FSI_NXTFREE,v) |
| # define FSI_PUTTRAILSIG(p,v) UINT32_PUT(p,FSI_TRAILSIG,v) |
| |
| # define DIR_PUTCRTIME(p,v) UINT16_PUT(p,DIR_CRTIME,v) |
| # define DIR_PUTCRDATE(p,v) UINT16_PUT(p,DIR_CRDATE,v) |
| # define DIR_PUTLASTACCDATE(p,v) UINT16_PUT(p,DIR_LASTACCDATE,v) |
| # define DIR_PUTFSTCLUSTHI(p,v) UINT16_PUT(p,DIR_FSTCLUSTHI,v) |
| # define DIR_PUTWRTTIME(p,v) UINT16_PUT(p,DIR_WRTTIME,v) |
| # define DIR_PUTWRTDATE(p,v) UINT16_PUT(p,DIR_WRTDATE,v) |
| # define DIR_PUTFSTCLUSTLO(p,v) UINT16_PUT(p,DIR_FSTCLUSTLO,v) |
| # define DIR_PUTFILESIZE(p,v) UINT32_PUT(p,DIR_FILESIZE,v) |
| |
| # ifdef CONFIG_FAT_LFN |
| # define LDIR_PUTWCHAR1(p,v) UINT16_PUT(p,LDIR_WCHAR1_5,v) |
| # define LDIR_PUTWCHAR2(p,v) UINT16_PUT(p,LDIR_WCHAR1_5+2,v) |
| # define LDIR_PUTWCHAR3(p,v) UINT16_PUT(p,LDIR_WCHAR1_5+4,v) |
| # define LDIR_PUTWCHAR4(p,v) UINT16_PUT(p,LDIR_WCHAR1_5+6,v) |
| # define LDIR_PUTWCHAR5(p,v) UINT16_PUT(p,LDIR_WCHAR1_5+8,v) |
| # define LDIR_PUTWCHAR6(p,v) UINT16_PUT(p,LDIR_WCHAR6_11,v) |
| # define LDIR_PUTWCHAR7(p,v) UINT16_PUT(p,LDIR_WCHAR6_11+2,v) |
| # define LDIR_PUTWCHAR8(p,v) UINT16_PUT(p,LDIR_WCHAR6_11+4,v) |
| # define LDIR_PUTWCHAR9(p,v) UINT16_PUT(p,LDIR_WCHAR6_11+6,v) |
| # define LDIR_PUTWCHAR10(p,v) UINT16_PUT(p,LDIR_WCHAR6_11+8,v) |
| # define LDIR_PUTWCHAR11(p,v) UINT16_PUT(p,LDIR_WCHAR6_11+10,v) |
| # define LDIR_PUTWCHAR12(p,v) UINT16_PUT(p,LDIR_WCHAR12_13,v) |
| # define LDIR_PUTWCHAR13(p,v) UINT16_PUT(p,LDIR_WCHAR12_13+2,v) |
| # endif |
| |
| # define FSI_PUTLEADSIG(p,v) UINT32_PUT(p,FSI_LEADSIG,v) |
| # define FSI_PUTSTRUCTSIG(p,v) UINT32_PUT(p,FSI_STRUCTSIG,v) |
| # define FSI_PUTFREECOUNT(p,v) UINT32_PUT(p,FSI_FREECOUNT,v) |
| # define FSI_PUTNXTFREE(p,v) UINT32_PUT(p,FSI_NXTFREE,v) |
| # define FSI_PUTTRAILSIG(p,v) UINT32_PUT(p,FSI_TRAILSIG,v) |
| |
| # define FAT_PUTFAT16(p,i,v) UINT16_PUT(p,i,v) |
| # define FAT_PUTFAT32(p,i,v) UINT32_PUT(p,i,v) |
| |
| #endif |
| |
| /**************************************************************************** |
| * Public Function Prototypes |
| ****************************************************************************/ |
| |
| #endif /* __APPS_FSUTILS_MKFATFS_FAT32_H */ |
