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authorGabriel L. Somlo <gsomlo@gmail.com>2014-05-05 10:52:51 -0400
committerMichael S. Tsirkin <mst@redhat.com>2014-05-07 18:36:37 +0300
commitaa93200b88fb1071eaf21bf766711762ed4630e2 (patch)
treea7963bbfbb776768ac2616950b1839b7becaf7fe
parent9df11c9f086e8329cdc06a67314ddce886841a5b (diff)
apic: use emulated lapic version 0x14 on pc machines >= 2.1
Add "version" property to local apic, and have it default to 0x14 for pc machines starting at 2.1. For compatibility with previous releases, pc machines up to 2.0 will have their local apic version set to 0x11. Signed-off-by: Gabriel L. Somlo <somlo@cmu.edu> Acked-by: Alexander Graf <agraf@suse.de> Reviewed-by: Andreas Färber <afaerber@suse.de> Reviewed-by: Michael S. Tsirkin <mst@redhat.com> Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
-rw-r--r--hw/intc/apic.c2
-rw-r--r--hw/intc/apic_common.c1
-rw-r--r--include/hw/i386/apic_internal.h1
-rw-r--r--include/hw/i386/pc.h3
4 files changed, 6 insertions, 1 deletions
diff --git a/hw/intc/apic.c b/hw/intc/apic.c
index 2f40cbad2d..ef19e5515c 100644
--- a/hw/intc/apic.c
+++ b/hw/intc/apic.c
@@ -675,7 +675,7 @@ static uint32_t apic_mem_readl(void *opaque, hwaddr addr)
val = s->id << 24;
break;
case 0x03: /* version */
- val = 0x11 | ((APIC_LVT_NB - 1) << 16); /* version 0x11 */
+ val = s->version | ((APIC_LVT_NB - 1) << 16);
break;
case 0x08:
apic_sync_vapic(s, SYNC_FROM_VAPIC);
diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c
index 7ecce2dcce..71376533ca 100644
--- a/hw/intc/apic_common.c
+++ b/hw/intc/apic_common.c
@@ -380,6 +380,7 @@ static const VMStateDescription vmstate_apic_common = {
static Property apic_properties_common[] = {
DEFINE_PROP_UINT8("id", APICCommonState, id, -1),
+ DEFINE_PROP_UINT8("version", APICCommonState, version, 0x14),
DEFINE_PROP_BIT("vapic", APICCommonState, vapic_control, VAPIC_ENABLE_BIT,
true),
DEFINE_PROP_END_OF_LIST(),
diff --git a/include/hw/i386/apic_internal.h b/include/hw/i386/apic_internal.h
index 70542a6f43..83e2a42cc1 100644
--- a/include/hw/i386/apic_internal.h
+++ b/include/hw/i386/apic_internal.h
@@ -98,6 +98,7 @@ struct APICCommonState {
X86CPU *cpu;
uint32_t apicbase;
uint8_t id;
+ uint8_t version;
uint8_t arb_id;
uint8_t tpr;
uint32_t spurious_vec;
diff --git a/include/hw/i386/pc.h b/include/hw/i386/pc.h
index 0ade0f114e..32a76876c7 100644
--- a/include/hw/i386/pc.h
+++ b/include/hw/i386/pc.h
@@ -268,6 +268,9 @@ bool e820_get_entry(int, uint32_t, uint64_t *, uint64_t *);
#define PC_COMPAT_2_0 \
{\
+ .driver = "apic",\
+ .property = "version",\
+ .value = stringify(0x11),\
}
#define PC_COMPAT_1_7 \