diff options
| author | Alistair Francis <alistair.francis@wdc.com> | 2022-01-06 07:39:30 +1000 |
|---|---|---|
| committer | Alistair Francis <alistair.francis@wdc.com> | 2022-01-08 15:46:09 +1000 |
| commit | 83b92b8efca6634406361d62dbf9d3e8369a2a20 (patch) | |
| tree | 5dcf13a278dc98549b0521ae662a79e385d7257b /hw/intc/sifive_plic.c | |
| parent | e6b0408a1728c001a0cc0568b9daae5f92e239ee (diff) | |
| download | focaccia-qemu-83b92b8efca6634406361d62dbf9d3e8369a2a20.tar.gz focaccia-qemu-83b92b8efca6634406361d62dbf9d3e8369a2a20.zip | |
hw/intc: sifive_plic: Add a reset function
Signed-off-by: Alistair Francis <alistair.francis@wdc.com> Reviewed-by: Philippe Mathieu-Daudé <f4bug@amsat.org> Reviewed-by: Bin Meng <bmeng.cn@gmail.com> Message-Id: <20220105213937.1113508-2-alistair.francis@opensource.wdc.com>
Diffstat (limited to 'hw/intc/sifive_plic.c')
| -rw-r--r-- | hw/intc/sifive_plic.c | 18 |
1 files changed, 18 insertions, 0 deletions
diff --git a/hw/intc/sifive_plic.c b/hw/intc/sifive_plic.c index 877e76877c..a9f7a1bfb0 100644 --- a/hw/intc/sifive_plic.c +++ b/hw/intc/sifive_plic.c @@ -355,6 +355,23 @@ static const MemoryRegionOps sifive_plic_ops = { } }; +static void sifive_plic_reset(DeviceState *dev) +{ + SiFivePLICState *s = SIFIVE_PLIC(dev); + int i; + + 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); + + for (i = 0; i < s->num_harts; i++) { + qemu_set_irq(s->m_external_irqs[i], 0); + qemu_set_irq(s->s_external_irqs[i], 0); + } +} + /* * parse PLIC hart/mode address offset config * @@ -501,6 +518,7 @@ 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; |