[v7,01/17] target-i386: Add Hypervisor level.

Message ID 1350071782-23078-2-git-send-email-Don@CloudSwitch.com
State New
Headers show

Commit Message

Don Slutz Oct. 12, 2012, 7:56 p.m.
Part of "target-i386: Add way to expose VMWare CPUID"

Also known as Paravirtualization level or maximim cpuid function present in this leaf.
This is the EAX value for 0x40000000.

QEMU knows this is KVM_CPUID_SIGNATURE (0x40000000).

This is based on:

Microsoft Hypervisor CPUID Leaves:

Linux kernel change starts with:

VMware documention on CPUIDs (Mechanisms to determine if software is
running in a VMware virtual machine):

Signed-off-by: Don Slutz <Don@CloudSwitch.com>
 target-i386/cpu.h |    3 +++
 1 files changed, 3 insertions(+), 0 deletions(-)


diff --git a/target-i386/cpu.h b/target-i386/cpu.h
index 5265c5a..1899f69 100644
--- a/target-i386/cpu.h
+++ b/target-i386/cpu.h
@@ -777,11 +777,14 @@  typedef struct CPUX86State {
     uint32_t cpuid_ext3_features;
     uint32_t cpuid_apic_id;
     bool cpuid_vendor_override;
+    bool cpuid_hv_level_set;
     /* Store the results of Centaur's CPUID instructions */
     uint32_t cpuid_xlevel2;
     uint32_t cpuid_ext4_features;
     /* Flags from CPUID[EAX=7,ECX=0].EBX */
     uint32_t cpuid_7_0_ebx;
+    /* Hypervisor CPUIDs */
+    uint32_t cpuid_hv_level;
     /* MTRRs */
     uint64_t mtrr_fixed[11];