diff options
| -rw-r--r-- | hw/ssi/pl022.c | 14 |
1 files changed, 14 insertions, 0 deletions
diff --git a/hw/ssi/pl022.c b/hw/ssi/pl022.c index fd479effb9..b19bc7174a 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), |