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Diffstat (limited to 'hw/intc/loongson_ipi_common.c')
-rw-r--r--hw/intc/loongson_ipi_common.c33
1 files changed, 33 insertions, 0 deletions
diff --git a/hw/intc/loongson_ipi_common.c b/hw/intc/loongson_ipi_common.c
index f32661c..8cd78d4 100644
--- a/hw/intc/loongson_ipi_common.c
+++ b/hw/intc/loongson_ipi_common.c
@@ -11,6 +11,7 @@
#include "hw/irq.h"
#include "qemu/log.h"
#include "migration/vmstate.h"
+#include "system/kvm.h"
#include "trace.h"
MemTxResult loongson_ipi_core_readl(void *opaque, hwaddr addr, uint64_t *data,
@@ -255,6 +256,10 @@ static void loongson_ipi_common_realize(DeviceState *dev, Error **errp)
LoongsonIPICommonState *s = LOONGSON_IPI_COMMON(dev);
SysBusDevice *sbd = SYS_BUS_DEVICE(dev);
+ if (kvm_irqchip_in_kernel()) {
+ return;
+ }
+
memory_region_init_io(&s->ipi_iocsr_mem, OBJECT(dev),
&loongson_ipi_iocsr_ops,
s, "loongson_ipi_iocsr", 0x48);
@@ -277,10 +282,38 @@ static void loongson_ipi_common_unrealize(DeviceState *dev)
g_free(s->cpu);
}
+static int loongson_ipi_common_pre_save(void *opaque)
+{
+ IPICore *ipicore = (IPICore *)opaque;
+ LoongsonIPICommonState *s = ipicore->ipi;
+ LoongsonIPICommonClass *licc = LOONGSON_IPI_COMMON_GET_CLASS(s);
+
+ if (licc->pre_save) {
+ return licc->pre_save(s);
+ }
+
+ return 0;
+}
+
+static int loongson_ipi_common_post_load(void *opaque, int version_id)
+{
+ IPICore *ipicore = (IPICore *)opaque;
+ LoongsonIPICommonState *s = ipicore->ipi;
+ LoongsonIPICommonClass *licc = LOONGSON_IPI_COMMON_GET_CLASS(s);
+
+ if (licc->post_load) {
+ return licc->post_load(s, version_id);
+ }
+
+ return 0;
+}
+
static const VMStateDescription vmstate_ipi_core = {
.name = "ipi-single",
.version_id = 2,
.minimum_version_id = 2,
+ .pre_save = loongson_ipi_common_pre_save,
+ .post_load = loongson_ipi_common_post_load,
.fields = (const VMStateField[]) {
VMSTATE_UINT32(status, IPICore),
VMSTATE_UINT32(en, IPICore),