[PATCH v3 3/3] hw/core/loader: clear uninitialized ROM space

[Laurent Vivier <laurent@vivier.eu>]

As for "hw/elf_ops: clear uninitialized segment space" we need to
clear the uninitialized space when the ELF is set in ROM.

Signed-off-by: Laurent Vivier <laurent@vivier.eu>
---
 hw/core/loader.c | 4 ++++
 1 file changed, 4 insertions(+)

diff --git a/hw/core/loader.c b/hw/core/loader.c
index d3e5f3b423f6..8146fdcbb7a0 100644
--- a/hw/core/loader.c
+++ b/hw/core/loader.c
@@ -1146,9 +1146,13 @@ 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 */
-- 
2.31.1