[PATCH v6 07/16] target-i386: Add Hypervisor vendor.

Don Slutz
2012-09-24T14:32:50Z

Also known as Paravirtualization vendor.
This is EBX, ECX, EDX data for 0x40000000.

QEMU knows this is KVM_CPUID_SIGNATURE (0x40000000).

This is based on:

Microsoft Hypervisor CPUID Leaves:
http://msdn.microsoft.com/en-us/library/windows/hardware/ff542428%28v=vs.85%29.aspx

Linux kernel change starts with:
http://fixunix.com/kernel/538707-use-cpuid-communicate-hypervisor.html
Also:
http://lkml.indiana.edu/hypermail/linux/kernel/1205.0/00100.html

VMware documention on CPUIDs (Mechanisms to determine if software is
running in a VMware virtual machine):
http://kb.vmware.com/selfservice/microsites/search.do?language=en_US&cmd=displayKC&externalId=1009458

Signed-off-by: Don Slutz <Don@CloudSwitch.com>
---
target-i386/cpu.h | 4 ++++
1 files changed, 4 insertions(+), 0 deletions(-)

diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 3152a4e..11730b2 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -780,6 +780,7 @@ typedef struct CPUX86State {
uint32_t cpuid_apic_id;
bool cpuid_vendor_override;
bool cpuid_hv_level_set;
+ bool cpuid_hv_vendor_set;
/* Store the results of Centaur's CPUID instructions */
uint32_t cpuid_xlevel2;
uint32_t cpuid_ext4_features;
@@ -787,6 +788,9 @@ typedef struct CPUX86State {
uint32_t cpuid_7_0_ebx;
/* Hypervisor CPUIDs */
uint32_t cpuid_hv_level;
+ uint32_t cpuid_hv_vendor1;
+ uint32_t cpuid_hv_vendor2;
+ uint32_t cpuid_hv_vendor3;

/* MTRRs */
uint64_t mtrr_fixed[11];
--
1.7.1