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-rw-r--r--hw/ssi/pl022.c14
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/ssi/pl022.c b/hw/ssi/pl022.c
index fd479ef..b19bc71 100644
--- a/hw/ssi/pl022.c
+++ b/hw/ssi/pl022.c
@@ -240,11 +240,25 @@ static const MemoryRegionOps pl022_ops = {
.endianness = DEVICE_NATIVE_ENDIAN,
};
+static int pl022_post_load(void *opaque, int version_id)
+{
+ PL022State *s = opaque;
+
+ if (s->tx_fifo_head < 0 ||
+ s->tx_fifo_head >= ARRAY_SIZE(s->tx_fifo) ||
+ s->rx_fifo_head < 0 ||
+ s->rx_fifo_head >= ARRAY_SIZE(s->rx_fifo)) {
+ return -1;
+ }
+ return 0;
+}
+
static const VMStateDescription vmstate_pl022 = {
.name = "pl022_ssp",
.version_id = 1,
.minimum_version_id = 1,
.minimum_version_id_old = 1,
+ .post_load = pl022_post_load,
.fields = (VMStateField[]) {
VMSTATE_UINT32(cr0, PL022State),
VMSTATE_UINT32(cr1, PL022State),
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