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target-i386: Introduce ICC bus/device/bridge

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Provides a hotpluggable bus for APIC and CPU.

* icc-bridge will serve as a parent for icc-bus and provide
  mmio mapping services to child icc-devices.
* icc-device will replace SysBusDevice as a parent of APIC
  and IOAPIC devices.

Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Signed-off-by: Andreas Färber <afaerber@suse.de>
This commit is contained in:
Igor Mammedov 2013-04-29 17:02:50 +02:00 • committed by Andreas Färber
parent c72bf46825
commit f0513d2c01
8 changed files with 211 additions and 0 deletions
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7
hw/i386/pc_q35.c
View file

@ -41,6 +41,7 @@
#include "hw/ide/pci.h"
#include "hw/ide/ahci.h"
#include "hw/usb.h"
#include "hw/cpu/icc_bus.h"
/* ICH9 AHCI has 6 ports */
#define MAX_SATA_PORTS 6
@ -75,6 +76,11 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
int i;
ICH9LPCState *ich9_lpc;
PCIDevice *ahci;
DeviceState *icc_bridge;
icc_bridge = qdev_create(NULL, TYPE_ICC_BRIDGE);
object_property_add_child(qdev_get_machine(), "icc-bridge",
OBJECT(icc_bridge), NULL);
pc_cpus_init(cpu_model);
pc_acpi_init("q35-acpi-dsdt.aml");
@ -158,6 +164,7 @@ static void pc_q35_init(QEMUMachineInitArgs *args)
if (pci_enabled) {
ioapic_init_gsi(gsi_state, NULL);
}
qdev_init_nofail(icc_bridge);
pc_register_ferr_irq(gsi[13]);