df8ca9a5c4
So far fixtrx was calculating checksum over amount of data matching partition erase size. It was mostly a workaround of checksum problem after changing anything in initial TRX content (e.g. formatting JFFS2). Its main purpose was to make bootloader accept modified TRX. This didn't provide much protection of flash data against corruption. This new option lets caller request calculating checksum over a bigger amount of data. It may be used e.g. to include whole kernel data for checksum and hopefully make bootloader go info failsafe mode if something goes wrong. Signed-off-by: Rafał Miłecki <zajec5@gmail.com>
32 lines
1.2 KiB
C
32 lines
1.2 KiB
C
#ifndef __mtd_h
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#define __mtd_h
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#include <stdbool.h>
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#if defined(target_brcm47xx) || defined(target_bcm53xx)
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#define target_brcm 1
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#endif
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#define JFFS2_EOF "\xde\xad\xc0\xde"
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extern int quiet;
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extern int mtdsize;
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extern int erasesize;
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extern int mtd_open(const char *mtd, bool block);
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extern int mtd_check_open(const char *mtd);
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extern int mtd_block_is_bad(int fd, int offset);
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extern int mtd_erase_block(int fd, int offset);
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extern int mtd_write_buffer(int fd, const char *buf, int offset, int length);
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extern int mtd_write_jffs2(const char *mtd, const char *filename, const char *dir);
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extern int mtd_replace_jffs2(const char *mtd, int fd, int ofs, const char *filename);
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extern void mtd_parse_jffs2data(const char *buf, const char *dir);
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/* target specific functions */
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extern int trx_fixup(int fd, const char *name) __attribute__ ((weak));
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extern int trx_check(int imagefd, const char *mtd, char *buf, int *len) __attribute__ ((weak));
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extern int mtd_fixtrx(const char *mtd, size_t offset, size_t data_size) __attribute__ ((weak));
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extern int mtd_fixseama(const char *mtd, size_t offset) __attribute__ ((weak));
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extern int mtd_resetbc(const char *mtd) __attribute__ ((weak));
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#endif /* __mtd_h */
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