[Qemu-devel] [PATCH v3 07/17] target-i386: Use Hypervisor level in -machine pc, accel=tcg.

[Don Slutz <Don@CloudSwitch.com>]

This does not provide vendor support in tcg yet.

Signed-off-by: Don Slutz <Don@CloudSwitch.com>
---
 target-i386/cpu.c |   22 ++++++++++++++++++++++
 1 files changed, 22 insertions(+), 0 deletions(-)

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 4120393..d3b9bd8 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1651,6 +1651,16 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
                 index =  env->cpuid_xlevel;
             }
         }
+    } else if (index & 0x40000000) {
+        if (env->cpuid_hv_level > 0) {
+            /* Handle Hypervisor CPUIDs */
+            if (index > env->cpuid_hv_level) {
+                index = env->cpuid_hv_level;
+            }
+        } else {
+            if (index > env->cpuid_level)
+                index = env->cpuid_level;
+        }
     } else {
         if (index > env->cpuid_level)
             index = env->cpuid_level;
@@ -1789,6 +1799,18 @@ void cpu_x86_cpuid(CPUX86State *env, uint32_t index, uint32_t count,
             *edx = 0;
         }
         break;
+    case 0x40000000:
+        *eax = env->cpuid_hv_level;
+        *ebx = 0;
+        *ecx = 0;
+        *edx = 0;
+        break;
+    case 0x40000001:
+        *eax = env->cpuid_kvm_features;
+        *ebx = 0;
+        *ecx = 0;
+        *edx = 0;
+        break;
     case 0x80000000:
         *eax = env->cpuid_xlevel;
         *ebx = env->cpuid_vendor1;
-- 
1.7.1