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Make read before write configurable (infrastructure part)

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- Introduce a variable in doit() that allows to influence
   read-before-write and its consequences.
 - Modify build_new_image so that it still works even if the old content
   is not read before.
 - Add copy_old_content() to ease the pain for future patches.

Corresponding to flashrom svn r1851.

Signed-off-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
Signed-off-by: Carl-Daniel Hailfinger <c-d.hailfinger.devel.2006@gmx.net>
Acked-by: Stefan Tauner <stefan.tauner@alumni.tuwien.ac.at>
This commit is contained in:
Stefan Tauner
2014-10-19 07:53:45 +00:00
parent 5e27b0bc13
commit 73f5bda01d
3 changed files with 50 additions and 17 deletions
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2
flash.h
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@ -341,7 +341,7 @@ int register_include_arg(char *name);
int process_include_args(void);
int read_romlayout(const char *name);
int normalize_romentries(const struct flashctx *flash);
int build_new_image(const struct flashctx *flash, uint8_t *oldcontents, uint8_t *newcontents);
int build_new_image(struct flashctx *flash, bool oldcontents_valid, uint8_t *oldcontents, uint8_t *newcontents);
void layout_cleanup(void);
/* spi.c */