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flashrom.c: Move do_*() helpers into cli_classic.c

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These helpers are only used by the CLI logic and so we localise
them here to move towards cli_classic being a pure libflashrom
user.

BUG=b:208132085
TEST=`make`

Change-Id: If1112155e2421e0178fd73f847cbb80868387433
Signed-off-by: Edward O'Callaghan <quasisec@google.com>
Reviewed-on: https://review.coreboot.org/c/flashrom/+/60070
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
Reviewed-by: Anastasia Klimchuk <aklm@chromium.org>
This commit is contained in:
Edward O'Callaghan 2021-12-13 12:46:12 +11:00 committed by Edward O'Callaghan
parent 103b139cf7
commit 55aa056c74
3 changed files with 97 additions and 101 deletions
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97
cli_classic.c
View File

@ -154,6 +154,103 @@ static int parse_wp_range(unsigned int *start, unsigned int *len)
return 0;
}
static int do_read(struct flashctx *const flash, const char *const filename)
{
int ret;
unsigned long size = flash->chip->total_size * 1024;
unsigned char *buf = calloc(size, sizeof(unsigned char));
if (!buf) {
msg_gerr("Memory allocation failed!\n");
return 1;
}
ret = flashrom_image_read(flash, buf, size);
if (ret > 0)
goto free_out;
if (write_buf_to_include_args(flash, buf)) {
ret = 1;
goto free_out;
}
if (filename)
ret = write_buf_to_file(buf, size, filename);
free_out:
free(buf);
return ret;
}
static int do_extract(struct flashctx *const flash)
{
prepare_layout_for_extraction(flash);
return do_read(flash, NULL);
}
static int do_write(struct flashctx *const flash, const char *const filename, const char *const referencefile)
{
const size_t flash_size = flash->chip->total_size * 1024;
int ret = 1;
uint8_t *const newcontents = malloc(flash_size);
uint8_t *const refcontents = referencefile ? malloc(flash_size) : NULL;
if (!newcontents || (referencefile && !refcontents)) {
msg_gerr("Out of memory!\n");
goto _free_ret;
}
/* Read '-w' argument first... */
if (read_buf_from_file(newcontents, flash_size, filename))
goto _free_ret;
/*
* ... then update newcontents with contents from files provided to '-i'
* args if needed.
*/
if (read_buf_from_include_args(flash, newcontents))
goto _free_ret;
if (referencefile) {
if (read_buf_from_file(refcontents, flash_size, referencefile))
goto _free_ret;
}
ret = flashrom_image_write(flash, newcontents, flash_size, refcontents);
_free_ret:
free(refcontents);
free(newcontents);
return ret;
}
static int do_verify(struct flashctx *const flash, const char *const filename)
{
const size_t flash_size = flash->chip->total_size * 1024;
int ret = 1;
uint8_t *const newcontents = malloc(flash_size);
if (!newcontents) {
msg_gerr("Out of memory!\n");
goto _free_ret;
}
/* Read '-v' argument first... */
if (read_buf_from_file(newcontents, flash_size, filename))
goto _free_ret;
/*
* ... then update newcontents with contents from files provided to '-i'
* args if needed.
*/
if (read_buf_from_include_args(flash, newcontents))
goto _free_ret;
ret = flashrom_image_verify(flash, newcontents, flash_size);
_free_ret:
free(newcontents);
return ret;
}
int main(int argc, char *argv[])
{
const struct flashchip *chip = NULL;

4
flash.h
View File

@ -356,10 +356,6 @@ int write_buf_to_file(const unsigned char *buf, unsigned long size, const char *
int write_buf_to_include_args(const struct flashctx *const flash, unsigned char *buf);
int prepare_flash_access(struct flashctx *, bool read_it, bool write_it, bool erase_it, bool verify_it);
void finalize_flash_access(struct flashctx *);
int do_read(struct flashctx *, const char *filename);
int do_extract(struct flashctx *);
int do_write(struct flashctx *, const char *const filename, const char *const referencefile);
int do_verify(struct flashctx *, const char *const filename);
int register_chip_restore(chip_restore_fn_cb_t func, struct flashctx *flash, uint8_t status);
/* Something happened that shouldn't happen, but we can go on. */

97
flashrom.c
View File

@ -2189,100 +2189,3 @@ _free_ret:
}
/** @} */ /* end flashrom-ops */
int do_read(struct flashctx *const flash, const char *const filename)
{
int ret;
unsigned long size = flash->chip->total_size * 1024;
unsigned char *buf = calloc(size, sizeof(unsigned char));
if (!buf) {
msg_gerr("Memory allocation failed!\n");
return 1;
}
ret = flashrom_image_read(flash, buf, size);
if (ret > 0)
goto free_out;
if (write_buf_to_include_args(flash, buf)) {
ret = 1;
goto free_out;
}
if (filename)
ret = write_buf_to_file(buf, size, filename);
free_out:
free(buf);
return ret;
}
int do_extract(struct flashctx *const flash)
{
prepare_layout_for_extraction(flash);
return do_read(flash, NULL);
}
int do_write(struct flashctx *const flash, const char *const filename, const char *const referencefile)
{
const size_t flash_size = flash->chip->total_size * 1024;
int ret = 1;
uint8_t *const newcontents = malloc(flash_size);
uint8_t *const refcontents = referencefile ? malloc(flash_size) : NULL;
if (!newcontents || (referencefile && !refcontents)) {
msg_gerr("Out of memory!\n");
goto _free_ret;
}
/* Read '-w' argument first... */
if (read_buf_from_file(newcontents, flash_size, filename))
goto _free_ret;
/*
* ... then update newcontents with contents from files provided to '-i'
* args if needed.
*/
if (read_buf_from_include_args(flash, newcontents))
goto _free_ret;
if (referencefile) {
if (read_buf_from_file(refcontents, flash_size, referencefile))
goto _free_ret;
}
ret = flashrom_image_write(flash, newcontents, flash_size, refcontents);
_free_ret:
free(refcontents);
free(newcontents);
return ret;
}
int do_verify(struct flashctx *const flash, const char *const filename)
{
const size_t flash_size = flash->chip->total_size * 1024;
int ret = 1;
uint8_t *const newcontents = malloc(flash_size);
if (!newcontents) {
msg_gerr("Out of memory!\n");
goto _free_ret;
}
/* Read '-v' argument first... */
if (read_buf_from_file(newcontents, flash_size, filename))
goto _free_ret;
/*
* ... then update newcontents with contents from files provided to '-i'
* args if needed.
*/
if (read_buf_from_include_args(flash, newcontents))
goto _free_ret;
ret = flashrom_image_verify(flash, newcontents, flash_size);
_free_ret:
free(newcontents);
return ret;
}