}
fseek(fp, 0, SEEK_SET);
+ if (dev->romsize != -1) {
+ if (st.st_size > dev->romsize) {
+ error_report("ROM BAR \"%s\" (%ld bytes) is too large for ROM size %u",
+ rom_file, (long) st.st_size, dev->romsize);
+ goto close_rom;
+ }
+ } else {
+ dev->romsize = st.st_size;
+ }
+
snprintf(name, sizeof(name), "%s.rom", object_get_typename(owner));
- memory_region_init_ram(&dev->rom, owner, name, st.st_size, &error_abort);
+ memory_region_init_ram(&dev->rom, owner, name, dev->romsize, &error_abort);
ptr = memory_region_get_ram_ptr(&dev->rom);
- memset(ptr, 0xff, st.st_size);
+ memset(ptr, 0xff, dev->romsize);
if (!fread(ptr, 1, st.st_size, fp)) {
error_report("pci-assign: Cannot read from host %s", rom_file);