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fatfs: Add PrFile2Safe creation in format tool
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8683a0ff58
commit
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3 changed files with 28 additions and 6 deletions
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@ -1,6 +1,6 @@
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/*
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* Copyright (c) 2018 naehrwert
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* Copyright (c) 2018-2019 CTCaer
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* Copyright (c) 2018-2021 CTCaer
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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@ -6183,7 +6183,9 @@ FRESULT f_mkfs (
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#endif
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/* Create FAT VBR */
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mem_set(buf, 0, ss);
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mem_cpy(buf + BS_JmpBoot, "\xEB\xFE\x90" "MSDOS5.0", 11);/* Boot jump code (x86), OEM name */
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/* Boot jump code (x86), OEM name */
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if (!(opt & FM_PRF2)) mem_cpy(buf + BS_JmpBoot, "\xEB\xFE\x90" "NYX1.0.0", 11);
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else mem_cpy(buf + BS_JmpBoot, "\xEB\xE9\x90\x00\x00\x00\x00\x00\x00\x00\x00", 11);
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st_word(buf + BPB_BytsPerSec, ss); /* Sector size [byte] */
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buf[BPB_SecPerClus] = (BYTE)pau; /* Cluster size [sector] */
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st_word(buf + BPB_RsvdSecCnt, (WORD)sz_rsv); /* Size of reserved area */
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@ -6196,23 +6198,27 @@ FRESULT f_mkfs (
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}
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buf[BPB_Media] = 0xF8; /* Media descriptor byte */
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st_word(buf + BPB_SecPerTrk, 63); /* Number of sectors per track (for int13) */
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st_word(buf + BPB_NumHeads, 255); /* Number of heads (for int13) */
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st_word(buf + BPB_NumHeads, (opt & FM_PRF2) ? 16 : 255); /* Number of heads (for int13) */
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st_dword(buf + BPB_HiddSec, b_vol); /* Volume offset in the physical drive [sector] */
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if (fmt == FS_FAT32) {
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st_dword(buf + BS_VolID32, GET_FATTIME()); /* VSN */
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st_dword(buf + BS_VolID32, (opt & FM_PRF2) ? 0 : GET_FATTIME()); /* VSN */
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st_dword(buf + BPB_FATSz32, sz_fat); /* FAT size [sector] */
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st_dword(buf + BPB_RootClus32, 2); /* Root directory cluster # (2) */
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st_word(buf + BPB_FSInfo32, 1); /* Offset of FSINFO sector (VBR + 1) */
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st_word(buf + BPB_BkBootSec32, 6); /* Offset of backup VBR (VBR + 6) */
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buf[BS_DrvNum32] = 0x80; /* Drive number (for int13) */
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buf[BS_BootSig32] = 0x29; /* Extended boot signature */
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mem_cpy(buf + BS_VolLab32, "SWITCH SD " "FAT32 ", 19); /* Volume label, FAT signature */
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/* Volume label, FAT signature */
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if (!(opt & FM_PRF2)) mem_cpy(buf + BS_VolLab32, FF_MKFS_LABEL "FAT32 ", 19);
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else mem_cpy(buf + BS_VolLab32, "NO NAME " "FAT32 ", 19);
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} else {
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st_dword(buf + BS_VolID, GET_FATTIME()); /* VSN */
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st_word(buf + BPB_FATSz16, (WORD)sz_fat); /* FAT size [sector] */
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buf[BS_DrvNum] = 0x80; /* Drive number (for int13) */
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buf[BS_BootSig] = 0x29; /* Extended boot signature */
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mem_cpy(buf + BS_VolLab, "SWITCH SD " "FAT ", 19); /* Volume label, FAT signature */
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/* Volume label, FAT signature */
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if (!(opt & FM_PRF2)) mem_cpy(buf + BS_VolLab, FF_MKFS_LABEL "FAT ", 19);
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else mem_cpy(buf + BS_VolLab, "NO NAME " "FAT ", 19);
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}
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st_word(buf + BS_55AA, 0xAA55); /* Signature (offset is fixed here regardless of sector size) */
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if (disk_write(pdrv, buf, b_vol, 1) != RES_OK) LEAVE_MKFS(FR_DISK_ERR); /* Write it to the VBR sector */
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@ -6230,6 +6236,16 @@ FRESULT f_mkfs (
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disk_write(pdrv, buf, b_vol + 1, 1); /* Write original FSINFO (VBR + 1) */
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}
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/* Create PRF2SAFE info */
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if (fmt == FS_FAT32 && opt & FM_PRF2) {
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mem_set(buf, 0, ss);
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buf[16] = 0x64; /* Record type */
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st_dword(buf + 32, 0x03); /* Unknown. SYSTEM: 0x3F00. USER: 0x03. Volatile. */
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st_dword(buf + 36, 25); /* Entries. SYSTEM: 22. USER: 25.Static? */
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st_dword(buf + 508, 0x517BBFE0); /* Custom CRC32. SYSTEM: 0x6B673904. USER: 0x517BBFE0. */
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disk_write(pdrv, buf, b_vol + 3, 1); /* Write PRF2SAFE info (VBR + 3) */
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}
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/* Initialize FAT area */
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mem_set(buf, 0, (UINT)szb_buf);
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sect = b_fat; /* FAT start sector */
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@ -366,6 +366,7 @@ int ff_del_syncobj (FF_SYNC_t sobj); /* Delete a sync object */
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#define FM_EXFAT 0x04
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#define FM_ANY 0x07
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#define FM_SFD 0x08
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#define FM_PRF2 0x10
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/* Filesystem type (FATFS.fs_type) */
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#define FS_FAT12 1
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@ -41,6 +41,11 @@
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#define FF_USE_MKFS 0
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/* This option switches f_mkfs() function. (0:Disable or 1:Enable) */
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#if FF_USE_MKFS
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#define FF_MKFS_LABEL "SWITCH SD "
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#endif
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/* This sets FAT/FAT32 label. Exactly 11 characters, all caps. */
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#define FF_USE_FASTSEEK 0
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/* This option switches fast seek function. (0:Disable or 1:Enable) */
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