Function get_region

util/ifdtool/ifdtool.c:344–373

}

static struct region get_region(const struct frba *frba, unsigned int region_type)
{
	int base_mask;
	int limit_mask;
	uint32_t flreg;
	struct region region;

	if (ifd_version >= IFD_VERSION_2)
		base_mask = 0x7fff;
	else
		base_mask = 0xfff;

	limit_mask = base_mask << 16;

	if (region_type >= max_regions) {
		fprintf(stderr, "Invalid region type %d.\n", region_type);
		exit(EXIT_FAILURE);
	}

	flreg = frba->flreg[region_type];
	region.base = (flreg & base_mask) << 12;
	region.limit = ((flreg & limit_mask) >> 4) | 0xfff;
	region.size = region.limit - region.base + 1;
	region.type = region_type;

	if (region.size < 0)
		region.size = 0;

	return region;
}

static void set_region(struct frba *frba, unsigned int region_type,
		       const struct region *region)