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target-i386: Move APIC to ICC bus

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It allows APIC to be hotplugged.

 * map APIC's mmio at board level if it is present
 * do not register mmio region for each APIC, since
   only one is used/mapped

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 19:03:01 +02:00 • committed by Andreas Färber
parent 62fc403f11
commit 53a89e262b
6 changed files with 42 additions and 24 deletions
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10
hw/cpu/icc_bus.c
View file

@ -80,6 +80,7 @@ typedef struct ICCBridgeState {
/*< public >*/
ICCBus icc_bus;
MemoryRegion apic_container;
} ICCBridgeState;
#define ICC_BRIGDE(obj) OBJECT_CHECK(ICCBridgeState, (obj), TYPE_ICC_BRIDGE)
@ -87,8 +88,17 @@ typedef struct ICCBridgeState {
static void icc_bridge_init(Object *obj)
{
ICCBridgeState *s = ICC_BRIGDE(obj);
SysBusDevice *sb = SYS_BUS_DEVICE(obj);
qbus_create_inplace(&s->icc_bus, TYPE_ICC_BUS, DEVICE(s), "icc");
/* Do not change order of registering regions,
* APIC must be first registered region, board maps it by 0 index
*/
memory_region_init(&s->apic_container, "icc-apic-container",
APIC_SPACE_SIZE);
sysbus_init_mmio(sb, &s->apic_container);
s->icc_bus.apic_address_space = &s->apic_container;
}
static const TypeInfo icc_bridge_info = {