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[Qemu-devel] [6567] KVM: Get all cpuid values from function 2 (Amit Shah
From: |
Anthony Liguori |
Subject: |
[Qemu-devel] [6567] KVM: Get all cpuid values from function 2 (Amit Shah) |
Date: |
Mon, 09 Feb 2009 15:50:37 +0000 |
Revision: 6567
http://svn.sv.gnu.org/viewvc/?view=rev&root=qemu&revision=6567
Author: aliguori
Date: 2009-02-09 15:50:36 +0000 (Mon, 09 Feb 2009)
Log Message:
-----------
KVM: Get all cpuid values from function 2 (Amit Shah)
cpuid function 2 can have multiple values to describe cache behaviour.
Loop till we have fetched all the values.
Signed-off-by: Amit Shah <address@hidden>
Signed-off-by: Anthony Liguori <address@hidden>
Modified Paths:
--------------
trunk/target-i386/kvm.c
Modified: trunk/target-i386/kvm.c
===================================================================
--- trunk/target-i386/kvm.c 2009-02-09 15:50:31 UTC (rev 6566)
+++ trunk/target-i386/kvm.c 2009-02-09 15:50:36 UTC (rev 6567)
@@ -51,6 +51,32 @@
struct kvm_cpuid_entry2 *c = &cpuid_data.entries[cpuid_i++];
switch (i) {
+ case 2: {
+ /* Keep reading function 2 till all the input is received */
+ int times;
+
+ cpu_x86_cpuid(env, i, 0, &eax, &ebx, &ecx, &edx);
+ times = eax & 0xff;
+
+ c->function = i;
+ c->flags |= KVM_CPUID_FLAG_STATEFUL_FUNC;
+ c->flags |= KVM_CPUID_FLAG_STATE_READ_NEXT;
+ c->eax = eax;
+ c->ebx = ebx;
+ c->ecx = ecx;
+ c->edx = edx;
+
+ for (j = 1; j < times; ++j) {
+ cpu_x86_cpuid(env, i, 0, &eax, &ebx, &ecx, &edx);
+ c->function = i;
+ c->flags |= KVM_CPUID_FLAG_STATEFUL_FUNC;
+ c->eax = eax;
+ c->ebx = ebx;
+ c->ecx = ecx;
+ c->edx = edx;
+ }
+ break;
+ }
case 4:
case 0xb:
case 0xd:
- [Qemu-devel] [6567] KVM: Get all cpuid values from function 2 (Amit Shah),
Anthony Liguori <=