diff options
Diffstat (limited to 'hw/alpha_typhoon.c')
| -rw-r--r-- | hw/alpha_typhoon.c | 21 |
1 files changed, 20 insertions, 1 deletions
diff --git a/hw/alpha_typhoon.c b/hw/alpha_typhoon.c index 4c97219f8c..c769fcc138 100644 --- a/hw/alpha_typhoon.c +++ b/hw/alpha_typhoon.c @@ -681,6 +681,16 @@ static void typhoon_set_timer_irq(void *opaque, int irq, int level) } } +static void typhoon_alarm_timer(void *opaque) +{ + TyphoonState *s = (TyphoonState *)((uintptr_t)opaque & ~3); + int cpu = (uintptr_t)opaque & 3; + + /* Set the ITI bit for this cpu. */ + s->cchip.misc |= 1 << (cpu + 4); + cpu_interrupt(s->cchip.cpu[cpu], CPU_INTERRUPT_TIMER); +} + PCIBus *typhoon_init(ram_addr_t ram_size, qemu_irq *p_rtc_irq, CPUState *cpus[4], pci_map_irq_fn sys_map_irq) { @@ -692,6 +702,7 @@ PCIBus *typhoon_init(ram_addr_t ram_size, qemu_irq *p_rtc_irq, PCIHostState *p; TyphoonState *s; PCIBus *b; + int i; dev = qdev_create(NULL, "typhoon-pcihost"); qdev_init_nofail(dev); @@ -700,7 +711,15 @@ PCIBus *typhoon_init(ram_addr_t ram_size, qemu_irq *p_rtc_irq, s = container_of(p, TyphoonState, host); /* Remember the CPUs so that we can deliver interrupts to them. */ - memcpy(s->cchip.cpu, cpus, 4 * sizeof(CPUState *)); + for (i = 0; i < 4; i++) { + CPUState *env = cpus[i]; + s->cchip.cpu[i] = env; + if (env) { + env->alarm_timer = qemu_new_timer_ns(rtc_clock, + typhoon_alarm_timer, + (void *)((uintptr_t)s + i)); + } + } *p_rtc_irq = *qemu_allocate_irqs(typhoon_set_timer_irq, s, 1); |