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[Qemu-devel] [PATCH 3/4] pam: disable pc.rom when pam is disabled
From: |
Anthony Xu |
Subject: |
[Qemu-devel] [PATCH 3/4] pam: disable pc.rom when pam is disabled |
Date: |
Fri, 7 Apr 2017 17:45:35 -0700 |
pc.rom depends on pam. When pam is disabled, pc.rom is useless
Signed-off-by: Anthony Xu <address@hidden>
---
hw/i386/pc.c | 13 +++++++------
1 file changed, 7 insertions(+), 6 deletions(-)
diff --git a/hw/i386/pc.c b/hw/i386/pc.c
index 9d154c2..455f7fe 100644
--- a/hw/i386/pc.c
+++ b/hw/i386/pc.c
@@ -1358,7 +1358,7 @@ void pc_memory_init(PCMachineState *pcms,
MemoryRegion **ram_memory)
{
int linux_boot, i;
- MemoryRegion *ram, *option_rom_mr;
+ MemoryRegion *ram;
MemoryRegion *ram_below_4g, *ram_above_4g;
FWCfgState *fw_cfg;
MachineState *machine = MACHINE(pcms);
@@ -1445,15 +1445,16 @@ void pc_memory_init(PCMachineState *pcms,
/* Initialize PC system firmware */
pc_system_firmware_init(rom_memory, !pcmc->pci_enabled);
- option_rom_mr = g_malloc(sizeof(*option_rom_mr));
- memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE,
+ if (pcms->pam) {
+ MemoryRegion *option_rom_mr = g_malloc(sizeof(*option_rom_mr));
+ memory_region_init_ram(option_rom_mr, NULL, "pc.rom", PC_ROM_SIZE,
&error_fatal);
- vmstate_register_ram_global(option_rom_mr);
- memory_region_add_subregion_overlap(rom_memory,
+ vmstate_register_ram_global(option_rom_mr);
+ memory_region_add_subregion_overlap(rom_memory,
PC_ROM_MIN_VGA,
option_rom_mr,
1);
-
+ }
fw_cfg = bochs_bios_init(&address_space_memory, pcms);
rom_set_fw(fw_cfg);
--
1.8.3.1