Function map_physical

util/inteltool/inteltool.c:764–778

static int fd_mem;

void *map_physical(uint64_t phys_addr, size_t len)
{
	void *virt_addr;

	virt_addr = mmap(0, len, PROT_WRITE | PROT_READ, MAP_SHARED,
		    fd_mem, (off_t) phys_addr);

	if (virt_addr == MAP_FAILED) {
		printf("Error mapping physical memory 0x%08" PRIx64 "[0x%zx]\n",
			phys_addr, len);
		return NULL;
	}

	return virt_addr;
}

void unmap_physical(void *virt_addr, size_t len)
{