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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/kvm
parentb5ee0468e9d28c6bd47cce70f90b5032dd10ecc2 (diff)
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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/kvm')
-rw-r--r--hw/i386/kvm/apic.c3
1 files changed, 2 insertions, 1 deletions
diff --git a/hw/i386/kvm/apic.c b/hw/i386/kvm/apic.c
index 1e89ca0..a72c28e 100644
--- a/hw/i386/kvm/apic.c
+++ b/hw/i386/kvm/apic.c
@@ -95,9 +95,10 @@ void kvm_get_apic_state(DeviceState *dev, struct kvm_lapic_state *kapic)
apic_next_timer(s, s->initial_count_load_time);
}
-static void kvm_apic_set_base(APICCommonState *s, uint64_t val)
+static int kvm_apic_set_base(APICCommonState *s, uint64_t val)
{
s->apicbase = val;
+ return 0;
}
static void kvm_apic_set_tpr(APICCommonState *s, uint8_t val)