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-rw-r--r--hw/intc/sifive_plic.c26
1 files changed, 25 insertions, 1 deletions
diff --git a/hw/intc/sifive_plic.c b/hw/intc/sifive_plic.c
index f42fd69..97a1a27 100644
--- a/hw/intc/sifive_plic.c
+++ b/hw/intc/sifive_plic.c
@@ -30,6 +30,7 @@
#include "hw/intc/sifive_plic.h"
#include "target/riscv/cpu.h"
#include "sysemu/sysemu.h"
+#include "migration/vmstate.h"
#define RISCV_DEBUG_PLIC 0
@@ -448,11 +449,12 @@ static void sifive_plic_realize(DeviceState *dev, Error **errp)
TYPE_SIFIVE_PLIC, plic->aperture_size);
parse_hart_config(plic);
plic->bitfield_words = (plic->num_sources + 31) >> 5;
+ plic->num_enables = plic->bitfield_words * plic->num_addrs;
plic->source_priority = g_new0(uint32_t, plic->num_sources);
plic->target_priority = g_new(uint32_t, plic->num_addrs);
plic->pending = g_new0(uint32_t, plic->bitfield_words);
plic->claimed = g_new0(uint32_t, plic->bitfield_words);
- plic->enable = g_new0(uint32_t, plic->bitfield_words * plic->num_addrs);
+ plic->enable = g_new0(uint32_t, plic->num_enables);
sysbus_init_mmio(SYS_BUS_DEVICE(dev), &plic->mmio);
qdev_init_gpio_in(dev, sifive_plic_irq_request, plic->num_sources);
@@ -472,12 +474,34 @@ static void sifive_plic_realize(DeviceState *dev, Error **errp)
msi_nonbroken = true;
}
+static const VMStateDescription vmstate_sifive_plic = {
+ .name = "riscv_sifive_plic",
+ .version_id = 1,
+ .minimum_version_id = 1,
+ .fields = (VMStateField[]) {
+ VMSTATE_VARRAY_UINT32(source_priority, SiFivePLICState,
+ num_sources, 0,
+ vmstate_info_uint32, uint32_t),
+ VMSTATE_VARRAY_UINT32(target_priority, SiFivePLICState,
+ num_addrs, 0,
+ vmstate_info_uint32, uint32_t),
+ VMSTATE_VARRAY_UINT32(pending, SiFivePLICState, bitfield_words, 0,
+ vmstate_info_uint32, uint32_t),
+ VMSTATE_VARRAY_UINT32(claimed, SiFivePLICState, bitfield_words, 0,
+ vmstate_info_uint32, uint32_t),
+ VMSTATE_VARRAY_UINT32(enable, SiFivePLICState, num_enables, 0,
+ vmstate_info_uint32, uint32_t),
+ VMSTATE_END_OF_LIST()
+ }
+};
+
static void sifive_plic_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);
device_class_set_props(dc, sifive_plic_properties);
dc->realize = sifive_plic_realize;
+ dc->vmsd = &vmstate_sifive_plic;
}
static const TypeInfo sifive_plic_info = {