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x86: add support for second ioapic

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Add ioapic_init_secondary to initialize it, wire up
in gsi handling and acpi apic table creation.

Signed-off-by: Gerd Hoffmann <kraxel@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Reviewed-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Sergio Lopez <slp@redhat.com>
Message-id: 20201203105423.10431-4-kraxel@redhat.com
This commit is contained in:
Gerd Hoffmann 2020-12-03 11:54:14 +01:00
parent ceea95cd88
commit 94c5a60637
5 changed files with 37 additions and 1 deletions
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2
include/hw/i386/ioapic.h
View file

@ -22,6 +22,8 @@
#define IOAPIC_NUM_PINS 24
#define IO_APIC_DEFAULT_ADDRESS 0xfec00000
#define IO_APIC_SECONDARY_ADDRESS (IO_APIC_DEFAULT_ADDRESS + 0x10000)
#define IO_APIC_SECONDARY_IRQBASE 24 /* primary 0 -> 23, secondary 24 -> 47 */
#define TYPE_KVM_IOAPIC "kvm-ioapic"
#define TYPE_IOAPIC "ioapic"