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Diffstat (limited to 'hw')
-rw-r--r--hw/rtc/m48t59-isa.c9
1 files changed, 8 insertions, 1 deletions
diff --git a/hw/rtc/m48t59-isa.c b/hw/rtc/m48t59-isa.c
index dc21fb1..e9086ea 100644
--- a/hw/rtc/m48t59-isa.c
+++ b/hw/rtc/m48t59-isa.c
@@ -42,6 +42,7 @@ struct M48txxISAState {
ISADevice parent_obj;
M48t59State state;
uint32_t io_base;
+ uint8_t isairq;
MemoryRegion io;
};
@@ -79,6 +80,7 @@ static void m48txx_isa_toggle_lock(Nvram *obj, int lock)
static Property m48t59_isa_properties[] = {
DEFINE_PROP_INT32("base-year", M48txxISAState, state.base_year, 0),
DEFINE_PROP_UINT32("iobase", M48txxISAState, io_base, 0x74),
+ DEFINE_PROP_UINT8("irq", M48txxISAState, isairq, 8),
DEFINE_PROP_END_OF_LIST(),
};
@@ -97,9 +99,14 @@ static void m48t59_isa_realize(DeviceState *dev, Error **errp)
M48txxISAState *d = M48TXX_ISA(dev);
M48t59State *s = &d->state;
+ if (d->isairq >= ISA_NUM_IRQS) {
+ error_setg(errp, "Maximum value for \"irq\" is: %u", ISA_NUM_IRQS - 1);
+ return;
+ }
+
s->model = u->info.model;
s->size = u->info.size;
- isa_init_irq(isadev, &s->IRQ, 8);
+ isa_init_irq(isadev, &s->IRQ, d->isairq);
m48t59_realize_common(s, errp);
memory_region_init_io(&d->io, OBJECT(dev), &m48t59_io_ops, s, "m48t59", 4);
if (d->io_base != 0) {