diff options
| author | Igor Mammedov <imammedo@redhat.com> | 2016-05-05 17:14:37 +0200 |
|---|---|---|
| committer | Eduardo Habkost <ehabkost@redhat.com> | 2016-07-20 12:02:19 -0300 |
| commit | 889211b18b8d0acc814fbbe01b986f07b229a8c9 (patch) | |
| tree | eb84af710d84420cf0689122297b67b1cd521821 /hw/intc/apic.c | |
| parent | 4d952914a03548b863c3c0af191d7e2af482f09e (diff) | |
| download | qemu-889211b18b8d0acc814fbbe01b986f07b229a8c9.tar.gz | |
apic: move MAX_APICS check to 'apic' class
MAX_APICS is only used by child 'apic' class and not
by its parent TYPE_APIC_COMMON or any other derived
class.
Move check into end user 'apic' class so it won't
get in the way of other APIC implementations
if they support more then MAX_APICS.
Signed-off-by: Igor Mammedov <imammedo@redhat.com>
Reviewed-by: Radim Krčmář <rkrcmar@redhat.com>
Reviewed-by: Michael S. Tsirkin <mst@redhat.com>
Signed-off-by: Eduardo Habkost <ehabkost@redhat.com>
Diffstat (limited to 'hw/intc/apic.c')
| -rw-r--r-- | hw/intc/apic.c | 10 |
1 files changed, 10 insertions, 0 deletions
diff --git a/hw/intc/apic.c b/hw/intc/apic.c index e1ab9354c6..b0d237b945 100644 --- a/hw/intc/apic.c +++ b/hw/intc/apic.c @@ -28,7 +28,9 @@ #include "trace.h" #include "hw/i386/pc.h" #include "hw/i386/apic-msidef.h" +#include "qapi/error.h" +#define MAX_APICS 255 #define MAX_APIC_WORDS 8 #define SYNC_FROM_VAPIC 0x1 @@ -869,6 +871,14 @@ static const MemoryRegionOps apic_io_ops = { static void apic_realize(DeviceState *dev, Error **errp) { APICCommonState *s = APIC_COMMON(dev); + static int apic_no; + + if (apic_no >= MAX_APICS) { + error_setg(errp, "%s initialization failed.", + object_get_typename(OBJECT(dev))); + return; + } + s->idx = apic_no++; memory_region_init_io(&s->io_memory, OBJECT(s), &apic_io_ops, s, "apic-msi", APIC_SPACE_SIZE); |