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Diffstat (limited to 'hw/pc_piix.c')
-rw-r--r--hw/pc_piix.c13
1 files changed, 10 insertions, 3 deletions
diff --git a/hw/pc_piix.c b/hw/pc_piix.c
index 75d96d97c6..52939f535d 100644
--- a/hw/pc_piix.c
+++ b/hw/pc_piix.c
@@ -97,6 +97,7 @@ static void pc_init1(MemoryRegion *system_memory,
ISADevice *rtc_state;
MemoryRegion *ram_memory;
MemoryRegion *pci_memory;
+ MemoryRegion *rom_memory;
pc_cpus_init(cpu_model);
@@ -112,15 +113,21 @@ static void pc_init1(MemoryRegion *system_memory,
below_4g_mem_size = ram_size;
}
- pci_memory = g_new(MemoryRegion, 1);
- memory_region_init(pci_memory, "pci", INT64_MAX);
+ if (pci_enabled) {
+ pci_memory = g_new(MemoryRegion, 1);
+ memory_region_init(pci_memory, "pci", INT64_MAX);
+ rom_memory = pci_memory;
+ } else {
+ pci_memory = NULL;
+ rom_memory = system_memory;
+ }
/* allocate ram and load rom/bios */
if (!xen_enabled()) {
pc_memory_init(system_memory,
kernel_filename, kernel_cmdline, initrd_filename,
below_4g_mem_size, above_4g_mem_size,
- pci_memory, &ram_memory);
+ rom_memory, &ram_memory);
}
if (!xen_enabled()) {