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Code Issues Releases Wiki Activity

cli_classic.c: implement set_wp_region operation

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set_wp_region allows to set the wp_range based on a layout region.

Signed-off-by: Daniel Campello <campello@chromium.org>
Change-Id: Ibad68a038ab38b9986b0d8b5f5eb6c73b20ef381
Reviewed-on: https://review.coreboot.org/c/flashrom/+/52531
Reviewed-by: Edward O'Callaghan <quasisec@chromium.org>
Tested-by: build bot (Jenkins) <no-reply@coreboot.org>
This commit is contained in:
Daniel Campello
2021-04-19 18:43:09 -06:00
committed by Edward O'Callaghan
parent 6509912a1d
commit 7367f77aa4
3 changed files with 31 additions and 0 deletions
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15
cli_classic.c
View File

@ -65,6 +65,7 @@ static void cli_classic_usage(const char *name)
" --wp-list list write protect range\n" " --wp-list list write protect range\n"
" --wp-status show write protect status\n" " --wp-status show write protect status\n"
" --wp-range=<start>,<len> set write protect range\n" " --wp-range=<start>,<len> set write protect range\n"
" --wp-region <region> set write protect region\n"
" --flash-name read out the detected flash name\n" " --flash-name read out the detected flash name\n"
" --flash-size read out the detected flash size\n" " --flash-size read out the detected flash size\n"
" --fmap read ROM layout from fmap embedded in ROM\n" " --fmap read ROM layout from fmap embedded in ROM\n"
@ -236,6 +237,7 @@ int main(int argc, char *argv[])
char *pparam = NULL; char *pparam = NULL;
struct layout_include_args *include_args = NULL; struct layout_include_args *include_args = NULL;
char *wp_mode_opt = NULL; char *wp_mode_opt = NULL;
char *wp_region = NULL;
/* /*
* Safety-guard against a user who has (mistakenly) closed * Safety-guard against a user who has (mistakenly) closed
@ -462,6 +464,10 @@ int main(int argc, char *argv[])
} }
#endif /* STANDALONE */ #endif /* STANDALONE */
break; break;
case OPTION_WP_SET_REGION:
set_wp_region = 1;
wp_region = strdup(optarg);
break;
default: default:
cli_classic_abort_usage(NULL); cli_classic_abort_usage(NULL);
break; break;
@ -772,6 +778,15 @@ int main(int argc, char *argv[])
ret |= wp->set_range(fill_flash, wp_start, wp_len); ret |= wp->set_range(fill_flash, wp_start, wp_len);
} }
if (set_wp_region && wp_region) {
if (get_region_range(layout, wp_region, &wp_start, &wp_len)) {
ret = 1;
goto out_release;
}
ret |= wp->set_range(fill_flash, wp_start, wp_len);
free(wp_region);
}
if (!ret && set_wp_enable) { if (!ret && set_wp_enable) {
enum wp_mode wp_mode; enum wp_mode wp_mode;

14
layout.c
View File

@ -184,6 +184,20 @@ static int find_romentry(struct flashrom_layout *const l, char *name, char *file
return 0; return 0;
} }
int get_region_range(struct flashrom_layout *const l, const char *name,
unsigned int *start, unsigned int *len)
{
size_t i;
for (i = 0; i < l->num_entries; ++i) {
if (!strcmp(l->entries[i].name, name)) {
*start = l->entries[i].start;
*len = l->entries[i].end - l->entries[i].start + 1;
return 0;
}
}
return 1;
}
/* process -i arguments /* process -i arguments
* returns 0 to indicate success, >0 to indicate failure * returns 0 to indicate success, >0 to indicate failure
*/ */

2
layout.h
View File

@ -65,6 +65,8 @@ struct flashrom_layout *get_global_layout(void);
struct flashrom_flashctx; struct flashrom_flashctx;
const struct flashrom_layout *get_layout(const struct flashrom_flashctx *const flashctx); const struct flashrom_layout *get_layout(const struct flashrom_flashctx *const flashctx);
int get_region_range(struct flashrom_layout *const l, const char *name,
unsigned int *start, unsigned int *len);
int process_include_args(struct flashrom_layout *l, const struct layout_include_args *const args); int process_include_args(struct flashrom_layout *l, const struct layout_include_args *const args);
const struct romentry *layout_next_included_region(const struct flashrom_layout *, chipoff_t); const struct romentry *layout_next_included_region(const struct flashrom_layout *, chipoff_t);
const struct romentry *layout_next_included(const struct flashrom_layout *, const struct romentry *); const struct romentry *layout_next_included(const struct flashrom_layout *, const struct romentry *);