MC146818 RTC: add GPIO access to output IRQ
The MC146818 RTC device has output IRQ line. Currently the corresponding field is only accessible through direct access. Such access violates Qemu model. The patch makes the field accessible through GPIO. It also updates the setting of the IRQ during initialization. Signed-off-by: Efimov Vasily <real@ispras.ru> Signed-off-by: Paolo Bonzini <pbonzini@redhat.com>
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@ -906,6 +906,8 @@ static void rtc_realizefn(DeviceState *dev, Error **errp)
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object_property_add_alias(qdev_get_machine(), "rtc-time",
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OBJECT(s), "date", NULL);
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qdev_init_gpio_out(dev, &s->irq, 1);
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}
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ISADevice *rtc_init(ISABus *bus, int base_year, qemu_irq intercept_irq)
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@ -920,9 +922,9 @@ ISADevice *rtc_init(ISABus *bus, int base_year, qemu_irq intercept_irq)
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qdev_prop_set_int32(dev, "base_year", base_year);
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qdev_init_nofail(dev);
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if (intercept_irq) {
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s->irq = intercept_irq;
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qdev_connect_gpio_out(dev, 0, intercept_irq);
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} else {
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isa_init_irq(isadev, &s->irq, RTC_ISA_IRQ);
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isa_connect_gpio_out(isadev, 0, RTC_ISA_IRQ);
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}
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QLIST_INSERT_HEAD(&rtc_devices, s, link);
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