Commit 9ecb9926 authored by Peter Maydell's avatar Peter Maydell
Browse files

hw/arm_gic: Add presave/postload hooks 



Add presave/postload hooks to the ARM GIC common base class.
These will be used by the KVM in-kernel GIC subclass to sync
state between kernel and userspace when migrating.

Signed-off-by: default avatarPeter Maydell <peter.maydell@linaro.org>
Reviewed-by: default avatarAndreas Färber <afaerber@suse.de>
Reviewed-by: default avatarPaolo Bonzini <pbonzini@redhat.com>
parent 81635574

hw/arm_gic_common.c

+10 −0
Original line number Diff line number Diff line
@@ -23,9 +23,14 @@ 
static void gic_save(QEMUFile *f, void *opaque)

{

    GICState *s = (GICState *)opaque;

    ARMGICCommonClass *c = ARM_GIC_COMMON_GET_CLASS(s);

    int i;

    int j;



    if (c->pre_save) {

        c->pre_save(s);

    }



    qemu_put_be32(f, s->enabled);

    for (i = 0; i < s->num_cpu; i++) {

        qemu_put_be32(f, s->cpu_enabled[i]);
@@ -57,6 +62,7 @@ static void gic_save(QEMUFile *f, void *opaque) 
static int gic_load(QEMUFile *f, void *opaque, int version_id)

{

    GICState *s = (GICState *)opaque;

    ARMGICCommonClass *c = ARM_GIC_COMMON_GET_CLASS(s);

    int i;

    int j;
@@ -91,6 +97,10 @@ static int gic_load(QEMUFile *f, void *opaque, int version_id) 
        s->irq_state[i].trigger = qemu_get_byte(f);

    }



    if (c->post_load) {

        c->post_load(s);

    }



    return 0;

}

hw/arm_gic_internal.h

+2 −0
Original line number Diff line number Diff line
@@ -118,6 +118,8 @@ void gic_init_irqs_and_distributor(GICState *s, int num_irq); 


typedef struct ARMGICCommonClass {

    SysBusDeviceClass parent_class;

    void (*pre_save)(GICState *s);

    void (*post_load)(GICState *s);

} ARMGICCommonClass;



#define TYPE_ARM_GIC "arm_gic"