[PATCH v6 03/16] target-i386: Add cpu object access routines for Hypervisor level.

Don Slutz
2012-09-24T14:32:35Z

These are modeled after x86_cpuid_get_xlevel and x86_cpuid_set_xlevel.

Signed-off-by: Don Slutz <Don@CloudSwitch.com>
---
target-i386/cpu.c | 29 +++++++++++++++++++++++++++++
1 files changed, 29 insertions(+), 0 deletions(-)

diff --git a/target-i386/cpu.c b/target-i386/cpu.c
index 25ca986..451de12 100644
--- a/target-i386/cpu.c
+++ b/target-i386/cpu.c
@@ -1166,6 +1166,32 @@ static void x86_cpuid_set_tsc_freq(Object *obj, Visitor *v, void *opaque,
cpu->env.tsc_khz = value / 1000;
}

+static void x86_cpuid_get_hv_level(Object *obj, Visitor *v, void *opaque,
+ const char *name, Error **errp)
+{
+ X86CPU *cpu = X86_CPU(obj);
+
+ visit_type_uint32(v, &cpu->env.cpuid_hv_level, name, errp);
+}
+
+static void x86_cpuid_set_hv_level(Object *obj, Visitor *v, void *opaque,
+ const char *name, Error **errp)
+{
+ X86CPU *cpu = X86_CPU(obj);
+ uint32_t value;
+
+ visit_type_uint32(v, &value, name, errp);
+ if (error_is_set(errp)) {
+ return;
+ }
+
+ if (value != 0 && value < 0x40000000) {
+ value += 0x40000000;
+ }
+ cpu->env.cpuid_hv_level = value;
+ cpu->env.cpuid_hv_level_set = true;
+}
+
#if !defined(CONFIG_USER_ONLY)
static void x86_get_hv_spinlocks(Object *obj, Visitor *v, void *opaque,
const char *name, Error **errp)
@@ -2061,6 +2087,9 @@ static void x86_cpu_initfn(Object *obj)
object_property_add(obj, "enforce", "bool",
x86_cpuid_get_enforce,
x86_cpuid_set_enforce, NULL, NULL, NULL);
+ object_property_add(obj, "hypervisor-level", "int",
+ x86_cpuid_get_hv_level,
+ x86_cpuid_set_hv_level, NULL, NULL, NULL);
#if !defined(CONFIG_USER_ONLY)
object_property_add(obj, "hv_spinlocks", "int",
x86_get_hv_spinlocks,
--
1.7.1