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ifdfake: allow "base+size" description of regions 

This is more in line with how fmd/fmap specify ranges.

Change-Id: Iecf8250e84d6eb267711ded446909b21147f1a9c
Signed-off-by: Patrick Georgi <pgeorgi@chromium.org>
Reviewed-on: http://review.coreboot.org/11623
Tested-by: build bot (Jenkins)
Reviewed-by: Aaron Durbin <adurbin@chromium.org>
This commit is contained in:
Patrick Georgi 2015-09-11 13:48:24 +02:00 committed by Patrick Georgi
parent 239c74231b
commit a9992d3da5
1 changed files with 21 additions and 6 deletions
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27
util/ifdfake/ifdfake.c
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@ -91,24 +91,39 @@ static void write_image(const region_t regions[], const char *const image)
static int parse_region(const char *_arg, region_t *const region) static int parse_region(const char *_arg, region_t *const region)
{ {
char *const start = strdup(_arg); char *const start = strdup(_arg);
int size_spec = 0;
unsigned long first, second;
if (!start) { if (!start) {
fprintf(stderr, "Out of memory.\n"); fprintf(stderr, "Out of memory.\n");
exit(EXIT_FAILURE); exit(EXIT_FAILURE);
} }
char *const colon = strchr(start, ':'); char *colon = strchr(start, ':');
if (!colon) { if (!colon) {
free(start); colon = strchr(start, '+');
return -1; if (!colon) {
free(start);
return -1;
}
size_spec = 1;
} }
*colon = '\0'; *colon = '\0';
char *const end = colon + 1; char *const end = colon + 1;
errno = 0; errno = 0;
region->base = strtoul(start, NULL, 0); first = strtoul(start, NULL, 0);
region->limit = strtoul(end, NULL, 0); second = strtoul(end, NULL, 0);
region->size = region->limit - region->base + 1;
if (size_spec) {
region->base = first;
region->size = second;
region->limit = region->base + region->size - 1;
} else {
region->base = first;
region->limit = second;
region->size = region->limit - region->base + 1;
}
free(start); free(start);
if (errno) { if (errno) {