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Diffstat (limited to 'hw/intc/sifive_plic.c')
-rw-r--r--hw/intc/sifive_plic.c85
1 files changed, 43 insertions, 42 deletions
diff --git a/hw/intc/sifive_plic.c b/hw/intc/sifive_plic.c
index 9ba36dc0b3..877e76877c 100644
--- a/hw/intc/sifive_plic.c
+++ b/hw/intc/sifive_plic.c
@@ -355,21 +355,6 @@ static const MemoryRegionOps sifive_plic_ops = {
}
};
-static Property sifive_plic_properties[] = {
- DEFINE_PROP_STRING("hart-config", SiFivePLICState, hart_config),
- DEFINE_PROP_UINT32("hartid-base", SiFivePLICState, hartid_base, 0),
- DEFINE_PROP_UINT32("num-sources", SiFivePLICState, num_sources, 0),
- DEFINE_PROP_UINT32("num-priorities", SiFivePLICState, num_priorities, 0),
- DEFINE_PROP_UINT32("priority-base", SiFivePLICState, priority_base, 0),
- DEFINE_PROP_UINT32("pending-base", SiFivePLICState, pending_base, 0),
- DEFINE_PROP_UINT32("enable-base", SiFivePLICState, enable_base, 0),
- DEFINE_PROP_UINT32("enable-stride", SiFivePLICState, enable_stride, 0),
- DEFINE_PROP_UINT32("context-base", SiFivePLICState, context_base, 0),
- DEFINE_PROP_UINT32("context-stride", SiFivePLICState, context_stride, 0),
- DEFINE_PROP_UINT32("aperture-size", SiFivePLICState, aperture_size, 0),
- DEFINE_PROP_END_OF_LIST(),
-};
-
/*
* parse PLIC hart/mode address offset config
*
@@ -427,45 +412,46 @@ static void parse_hart_config(SiFivePLICState *plic)
static void sifive_plic_irq_request(void *opaque, int irq, int level)
{
- SiFivePLICState *plic = opaque;
- if (RISCV_DEBUG_PLIC) {
- qemu_log("sifive_plic_irq_request: irq=%d level=%d\n", irq, level);
- }
- sifive_plic_set_pending(plic, irq, level > 0);
- sifive_plic_update(plic);
+ SiFivePLICState *s = opaque;
+
+ sifive_plic_set_pending(s, irq, level > 0);
+ sifive_plic_update(s);
}
static void sifive_plic_realize(DeviceState *dev, Error **errp)
{
- SiFivePLICState *plic = SIFIVE_PLIC(dev);
+ SiFivePLICState *s = SIFIVE_PLIC(dev);
int i;
- memory_region_init_io(&plic->mmio, OBJECT(dev), &sifive_plic_ops, plic,
- 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->num_enables);
- sysbus_init_mmio(SYS_BUS_DEVICE(dev), &plic->mmio);
- qdev_init_gpio_in(dev, sifive_plic_irq_request, plic->num_sources);
-
- plic->s_external_irqs = g_malloc(sizeof(qemu_irq) * plic->num_harts);
- qdev_init_gpio_out(dev, plic->s_external_irqs, plic->num_harts);
-
- plic->m_external_irqs = g_malloc(sizeof(qemu_irq) * plic->num_harts);
- qdev_init_gpio_out(dev, plic->m_external_irqs, plic->num_harts);
+ memory_region_init_io(&s->mmio, OBJECT(dev), &sifive_plic_ops, s,
+ TYPE_SIFIVE_PLIC, s->aperture_size);
+ sysbus_init_mmio(SYS_BUS_DEVICE(dev), &s->mmio);
+
+ parse_hart_config(s);
+
+ s->bitfield_words = (s->num_sources + 31) >> 5;
+ s->num_enables = s->bitfield_words * s->num_addrs;
+ s->source_priority = g_new0(uint32_t, s->num_sources);
+ s->target_priority = g_new(uint32_t, s->num_addrs);
+ s->pending = g_new0(uint32_t, s->bitfield_words);
+ s->claimed = g_new0(uint32_t, s->bitfield_words);
+ s->enable = g_new0(uint32_t, s->num_enables);
+
+ qdev_init_gpio_in(dev, sifive_plic_irq_request, s->num_sources);
+
+ s->s_external_irqs = g_malloc(sizeof(qemu_irq) * s->num_harts);
+ qdev_init_gpio_out(dev, s->s_external_irqs, s->num_harts);
+
+ s->m_external_irqs = g_malloc(sizeof(qemu_irq) * s->num_harts);
+ qdev_init_gpio_out(dev, s->m_external_irqs, s->num_harts);
/* We can't allow the supervisor to control SEIP as this would allow the
* supervisor to clear a pending external interrupt which will result in
* lost a interrupt in the case a PLIC is attached. The SEIP bit must be
* hardware controlled when a PLIC is attached.
*/
- for (i = 0; i < plic->num_harts; i++) {
- RISCVCPU *cpu = RISCV_CPU(qemu_get_cpu(plic->hartid_base + i));
+ for (i = 0; i < s->num_harts; i++) {
+ RISCVCPU *cpu = RISCV_CPU(qemu_get_cpu(s->hartid_base + i));
if (riscv_cpu_claim_interrupts(cpu, MIP_SEIP) < 0) {
error_report("SEIP already claimed");
exit(1);
@@ -496,6 +482,21 @@ static const VMStateDescription vmstate_sifive_plic = {
}
};
+static Property sifive_plic_properties[] = {
+ DEFINE_PROP_STRING("hart-config", SiFivePLICState, hart_config),
+ DEFINE_PROP_UINT32("hartid-base", SiFivePLICState, hartid_base, 0),
+ DEFINE_PROP_UINT32("num-sources", SiFivePLICState, num_sources, 0),
+ DEFINE_PROP_UINT32("num-priorities", SiFivePLICState, num_priorities, 0),
+ DEFINE_PROP_UINT32("priority-base", SiFivePLICState, priority_base, 0),
+ DEFINE_PROP_UINT32("pending-base", SiFivePLICState, pending_base, 0),
+ DEFINE_PROP_UINT32("enable-base", SiFivePLICState, enable_base, 0),
+ DEFINE_PROP_UINT32("enable-stride", SiFivePLICState, enable_stride, 0),
+ DEFINE_PROP_UINT32("context-base", SiFivePLICState, context_base, 0),
+ DEFINE_PROP_UINT32("context-stride", SiFivePLICState, context_stride, 0),
+ DEFINE_PROP_UINT32("aperture-size", SiFivePLICState, aperture_size, 0),
+ DEFINE_PROP_END_OF_LIST(),
+};
+
static void sifive_plic_class_init(ObjectClass *klass, void *data)
{
DeviceClass *dc = DEVICE_CLASS(klass);