- len = qemu_write_full(fd, buf, len);
- if (len != size) {
- error_setg(errp, QERR_IO_ERROR);
- }
+ buf = cpu_physical_memory_map(addr, &len, false);
+ if (!buf) {
+ error_setg(errp, "win-dump: failed to map physical range"
+ " 0x%016" PRIx64 "-0x%016" PRIx64, addr, addr + size - 1);
+ return 0;
+ }
+
+ l = qemu_write_full(fd, buf, len);
+ cpu_physical_memory_unmap(buf, addr, false, len);
+ if (l != len) {
+ error_setg(errp, QERR_IO_ERROR);
+ return 0;
+ }