diff options
Diffstat (limited to 'hw/intc')
| -rw-r--r-- | hw/intc/apic_common.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/hw/intc/apic_common.c b/hw/intc/apic_common.c index ce3d903b13..4e62f25edb 100644 --- a/hw/intc/apic_common.c +++ b/hw/intc/apic_common.c @@ -324,6 +324,19 @@ static void apic_common_realize(DeviceState *dev, Error **errp) } +static int apic_pre_load(void *opaque) +{ + APICCommonState *s = APIC_COMMON(opaque); + + /* The default is !cpu_is_bsp(s->cpu), but the common value is 0 + * so that's what apic_common_sipi_needed checks for. Reset to + * the value that is assumed when the apic_sipi subsection is + * absent. + */ + s->wait_for_sipi = 0; + return 0; +} + static void apic_dispatch_pre_save(void *opaque) { APICCommonState *s = APIC_COMMON(opaque); @@ -345,12 +358,30 @@ static int apic_dispatch_post_load(void *opaque, int version_id) return 0; } +static bool apic_common_sipi_needed(void *opaque) +{ + APICCommonState *s = APIC_COMMON(opaque); + return s->wait_for_sipi != 0; +} + +static const VMStateDescription vmstate_apic_common_sipi = { + .name = "apic_sipi", + .version_id = 1, + .minimum_version_id = 1, + .fields = (VMStateField[]) { + VMSTATE_INT32(sipi_vector, APICCommonState), + VMSTATE_INT32(wait_for_sipi, APICCommonState), + VMSTATE_END_OF_LIST() + } +}; + static const VMStateDescription vmstate_apic_common = { .name = "apic", .version_id = 3, .minimum_version_id = 3, .minimum_version_id_old = 1, .load_state_old = apic_load_old, + .pre_load = apic_pre_load, .pre_save = apic_dispatch_pre_save, .post_load = apic_dispatch_post_load, .fields = (VMStateField[]) { @@ -375,6 +406,13 @@ static const VMStateDescription vmstate_apic_common = { VMSTATE_INT64(timer_expiry, APICCommonState), /* open-coded timer state */ VMSTATE_END_OF_LIST() + }, + .subsections = (VMStateSubsection[]) { + { + .vmsd = &vmstate_apic_common_sipi, + .needed = apic_common_sipi_needed, + }, + VMSTATE_END_OF_LIST() } }; |