qemu64 is the default CPU model for QEMU/KVM on x86-64, but its family number definition is not accurate. The vendor of 'qemu64' is defined as 'AMD'. For AMD processors, AMD K8 (i.e. Family 15) firstly introduced SSE3 instruction set. 'qemu64' already has 'CPUID_EXT_SSE3' in its ext_features, but its family number is only 6 which is not equal to or greater than 15. So, upgrade the CPU family number of qemu64 model to 15. After this upgrade, 32bit Windows 8 can boot up with qemu64 CPU model. This upgrade can be also a fix to the below bug about 32bit Windows 8 booting. https://bugs.launchpad.net/qemu/+bug/1007269 Signed-off-by: Yongjie Ren <yongjie.ren@xxxxxxxxx> --- target-i386/cpu.c | 2 +- 1 files changed, 1 insertions(+), 1 deletions(-) diff --git a/target-i386/cpu.c b/target-i386/cpu.c index e2302d8..3f8e6c3 100644 --- a/target-i386/cpu.c +++ b/target-i386/cpu.c @@ -420,7 +420,7 @@ static x86_def_t builtin_x86_defs[] = { .name = "qemu64", .level = 4, .vendor = CPUID_VENDOR_AMD, - .family = 6, + .family = 15, .model = 2, .stepping = 3, .features = PPRO_FEATURES | -- 1.7.1 -- To unsubscribe from this list: send the line "unsubscribe kvm" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
