static void sun4c_intctl_reset(void *opaque)
{
Sun4c_INTCTLState *s = opaque;
s->reg = 1;
s->pending = 0;
sun4c_check_interrupts(s);
}
static void sun4c_intctl_mem_writeb(void *opaque, target_phys_addr_t addr,
uint32_t val)
{
Sun4c_INTCTLState *s = opaque;
DPRINTF("write reg 0x" TARGET_FMT_plx " = %x\n", addr, val);
val &= 0xbf;
s->reg = val;
sun4c_check_interrupts(s);
}
static void sun4c_intctl_mem_write(void *opaque, hwaddr addr,
uint64_t val, unsigned size)
{
Sun4c_INTCTLState *s = opaque;
DPRINTF("write reg 0x" TARGET_FMT_plx " = %x\n", addr, (unsigned)val);
val &= 0xbf;
s->reg = val;
sun4c_check_interrupts(s);
}
static int sun4c_intctl_load(QEMUFile *f, void *opaque, int version_id)
{
Sun4c_INTCTLState *s = opaque;
if (version_id != 1)
return -EINVAL;
qemu_get_8s(f, &s->reg);
qemu_get_8s(f, &s->pending);
sun4c_check_interrupts(s);
return 0;
}
/*
* "irq" here is the bit number in the system interrupt register
*/
static void sun4c_set_irq(void *opaque, int irq, int level)
{
Sun4c_INTCTLState *s = opaque;
uint32_t mask = 1 << irq;
uint32_t pil = intbit_to_level[irq];
DPRINTF("Set irq %d -> pil %d level %d\n", irq, pil,
level);
if (pil > 0) {
if (level) {
#ifdef DEBUG_IRQ_COUNT
s->irq_count++;
#endif
s->pending |= mask;
} else {
s->pending &= ~mask;
}
sun4c_check_interrupts(s);
}
}
