diff options
| -rw-r--r-- | hw/m68k/mcf_intc.c | 48 |
1 files changed, 44 insertions, 4 deletions
diff --git a/hw/m68k/mcf_intc.c b/hw/m68k/mcf_intc.c index cf58132..8198afa 100644 --- a/hw/m68k/mcf_intc.c +++ b/hw/m68k/mcf_intc.c @@ -9,10 +9,16 @@ #include "qemu-common.h" #include "cpu.h" #include "hw/hw.h" +#include "hw/sysbus.h" #include "hw/m68k/mcf.h" #include "exec/address-spaces.h" +#define TYPE_MCF_INTC "mcf-intc" +#define MCF_INTC(obj) OBJECT_CHECK(mcf_intc_state, (obj), TYPE_MCF_INTC) + typedef struct { + SysBusDevice parent_obj; + MemoryRegion iomem; uint64_t ipr; uint64_t imr; @@ -138,8 +144,10 @@ static void mcf_intc_set_irq(void *opaque, int irq, int level) mcf_intc_update(s); } -static void mcf_intc_reset(mcf_intc_state *s) +static void mcf_intc_reset(DeviceState *dev) { + mcf_intc_state *s = MCF_INTC(dev); + s->imr = ~0ull; s->ipr = 0; s->ifr = 0; @@ -154,17 +162,49 @@ static const MemoryRegionOps mcf_intc_ops = { .endianness = DEVICE_NATIVE_ENDIAN, }; +static void mcf_intc_instance_init(Object *obj) +{ + mcf_intc_state *s = MCF_INTC(obj); + + memory_region_init_io(&s->iomem, obj, &mcf_intc_ops, s, "mcf", 0x100); +} + +static void mcf_intc_class_init(ObjectClass *oc, void *data) +{ + DeviceClass *dc = DEVICE_CLASS(oc); + + set_bit(DEVICE_CATEGORY_MISC, dc->categories); + dc->reset = mcf_intc_reset; +} + +static const TypeInfo mcf_intc_gate_info = { + .name = TYPE_MCF_INTC, + .parent = TYPE_SYS_BUS_DEVICE, + .instance_size = sizeof(mcf_intc_state), + .instance_init = mcf_intc_instance_init, + .class_init = mcf_intc_class_init, +}; + +static void mcf_intc_register_types(void) +{ + type_register_static(&mcf_intc_gate_info); +} + +type_init(mcf_intc_register_types) + qemu_irq *mcf_intc_init(MemoryRegion *sysmem, hwaddr base, M68kCPU *cpu) { + DeviceState *dev; mcf_intc_state *s; - s = g_malloc0(sizeof(mcf_intc_state)); + dev = qdev_create(NULL, TYPE_MCF_INTC); + qdev_init_nofail(dev); + + s = MCF_INTC(dev); s->cpu = cpu; - mcf_intc_reset(s); - memory_region_init_io(&s->iomem, NULL, &mcf_intc_ops, s, "mcf", 0x100); memory_region_add_subregion(sysmem, base, &s->iomem); return qemu_allocate_irqs(mcf_intc_set_irq, s, 64); |