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authorBui Quang Minh <minhquangbui99@gmail.com>2024-01-11 22:44:00 +0700
committerMichael S. Tsirkin <mst@redhat.com>2024-02-14 06:09:32 -0500
commit774204cf9874e58dc7fc13394a505452357750ad (patch)
tree0769e519412bc9f51a56669011770eb415bb433d /hw/i386/xen/xen_apic.c
parentb5ee0468e9d28c6bd47cce70f90b5032dd10ecc2 (diff)
downloadfocaccia-qemu-774204cf9874e58dc7fc13394a505452357750ad.tar.gz
focaccia-qemu-774204cf9874e58dc7fc13394a505452357750ad.zip
apic, i386/tcg: add x2apic transitions
This commit adds support for x2APIC transitions when writing to
MSR_IA32_APICBASE register and finally adds CPUID_EXT_X2APIC to
TCG_EXT_FEATURES.

The set_base in APICCommonClass now returns an integer to indicate error in
execution. apic_set_base return -1 on invalid APIC state transition,
accelerator can use this to raise appropriate exception.

Signed-off-by: Bui Quang Minh <minhquangbui99@gmail.com>
Message-Id: <20240111154404.5333-4-minhquangbui99@gmail.com>
Acked-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Michael S. Tsirkin <mst@redhat.com>
Diffstat (limited to 'hw/i386/xen/xen_apic.c')
-rw-r--r--hw/i386/xen/xen_apic.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/i386/xen/xen_apic.c b/hw/i386/xen/xen_apic.c
index 7c7a60b166..101e16a766 100644
--- a/hw/i386/xen/xen_apic.c
+++ b/hw/i386/xen/xen_apic.c
@@ -49,8 +49,9 @@ static void xen_apic_realize(DeviceState *dev, Error **errp)
     msi_nonbroken = true;
 }
 
-static void xen_apic_set_base(APICCommonState *s, uint64_t val)
+static int xen_apic_set_base(APICCommonState *s, uint64_t val)
 {
+    return 0;
 }
 
 static void xen_apic_set_tpr(APICCommonState *s, uint8_t val)