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Re: [Qemu-devel] [PATCH v6 03/16] target-i386: Add cpu object access rou


From: Don Slutz
Subject: Re: [Qemu-devel] [PATCH v6 03/16] target-i386: Add cpu object access routines for Hypervisor level.
Date: Tue, 9 Oct 2012 15:13:03 -0400
User-agent: Mozilla/5.0 (X11; Linux i686 on x86_64; rv:15.0) Gecko/20120907 Thunderbird/15.0.1

On 10/09/12 12:25, Marcelo Tosatti wrote:
On Mon, Sep 24, 2012 at 10:32:05AM -0400, Don Slutz wrote:
These are modeled after x86_cpuid_get_xlevel and x86_cpuid_set_xlevel.

Signed-off-by: Don Slutz <address@hidden>
---
  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;
+    }
Whats the purpose of this? Adds ambiguity.
Will add more info in this commit message.
   -Don



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