make sure the memory regions of rom in pc have readonly property,
prepare for plug these memory to kvm as readonly memory slots.
Signed-off-by: Liu Sheng <liusheng@xxxxxxxxxxxxxxxxxx>
---
hw/pc.c | 1 +
hw/pci.c | 1 +
2 files changed, 2 insertions(+), 0 deletions(-)
diff --git a/hw/pc.c b/hw/pc.c
index c32ee8e..b7fb058 100644
--- a/hw/pc.c
+++ b/hw/pc.c
@@ -992,6 +992,7 @@ void *pc_memory_init(MemoryRegion *system_memory,
option_rom_mr = g_malloc(sizeof(*option_rom_mr));
memory_region_init_ram(option_rom_mr, "pc.rom", PC_ROM_SIZE);
vmstate_register_ram_global(option_rom_mr);
+ memory_region_set_readonly(option_rom_mr, true);
memory_region_add_subregion_overlap(rom_memory,
PC_ROM_MIN_VGA,
option_rom_mr,
diff --git a/hw/pci.c b/hw/pci.c
index 4d95984..195971c 100644
--- a/hw/pci.c
+++ b/hw/pci.c
@@ -1786,6 +1786,7 @@ static int pci_add_option_rom(PCIDevice *pdev, bool is_default_rom)
pdev->has_rom = true;
memory_region_init_ram(&pdev->rom, name, size);
vmstate_register_ram(&pdev->rom, &pdev->qdev);
+ memory_region_set_readonly(&pdev->rom, true);
ptr = memory_region_get_ram_ptr(&pdev->rom);
load_image(path, ptr);
g_free(path);
--
1.7.7.6
--
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