[PATCH v1 6/9] hw/intc: sifive_plic: Add a reset function

[Alistair Francis]

From: Alistair Francis <alistair.francis@wdc.com>

Signed-off-by: Alistair Francis <alistair.francis@wdc.com>
---
 hw/intc/sifive_plic.c | 13 +++++++++++++
 1 file changed, 13 insertions(+)

diff --git a/hw/intc/sifive_plic.c b/hw/intc/sifive_plic.c
index 877e76877c..5444368ad4 100644
--- a/hw/intc/sifive_plic.c
+++ b/hw/intc/sifive_plic.c
@@ -355,6 +355,18 @@ static const MemoryRegionOps sifive_plic_ops = {
     }
 };
 
+static void sifive_plic_reset(DeviceState *dev)
+{
+    SiFivePLICState *s = SIFIVE_PLIC(dev);
+
+    memset(s->claimed, 0, sizeof(uint32_t) * s->bitfield_words);
+    memset(s->source_priority, 0, sizeof(uint32_t) * s->num_sources);
+    memset(s->target_priority, 0, sizeof(uint32_t) * s->num_addrs);
+    memset(s->pending, 0, sizeof(uint32_t) * s->bitfield_words);
+    memset(s->claimed, 0, sizeof(uint32_t) * s->bitfield_words);
+    memset(s->enable, 0, sizeof(uint32_t) * s->num_enables);
+}
+
 /*
  * parse PLIC hart/mode address offset config
  *
@@ -501,6 +513,7 @@ static void sifive_plic_class_init(ObjectClass *klass, void 
*data)
 {
     DeviceClass *dc = DEVICE_CLASS(klass);
 
+    dc->reset = sifive_plic_reset;
     device_class_set_props(dc, sifive_plic_properties);
     dc->realize = sifive_plic_realize;
     dc->vmsd = &vmstate_sifive_plic;
-- 
2.31.1