@@ -555,6 +555,19 @@ static ssize_t glue(load_elf, SZ)(const char *name, int fd,
if (res != MEMTX_OK) {
goto fail;
}
+ /*
+ * We need to zero'ify the space that is not copied
+ * from file
+ */
+ if (file_size < mem_size) {
+ res = address_space_set(as ? as : &address_space_memory,
+ addr + file_size, 0,
+ mem_size - file_size,
+ MEMTXATTRS_UNSPECIFIED);
+ if (res != MEMTX_OK) {
+ goto fail;
+ }
+ }
}
}
@@ -1164,9 +1164,13 @@ static void rom_reset(void *unused)
if (rom->mr) {
void *host = memory_region_get_ram_ptr(rom->mr);
memcpy(host, rom->data, rom->datasize);
+ memset(host + rom->datasize, 0, rom->romsize - rom->datasize);
} else {
address_space_write_rom(rom->as, rom->addr, MEMTXATTRS_UNSPECIFIED,
rom->data, rom->datasize);
+ address_space_set(rom->as, rom->addr + rom->datasize, 0,
+ rom->romsize - rom->datasize,
+ MEMTXATTRS_UNSPECIFIED);
}
if (rom->isrom) {
/* rom needs to be written only once */