i8259: Update IRQ state after reset
MIPS and PPC users of the i8259 output signal expect us to report state updates also after reset. As no consumer (including the master PIC) can misinterpret the deassert as an activation event, it is safe to simply update the IRQ state after reset. Signed-off-by: Jan Kiszka <jan.kiszka@siemens.com> Signed-off-by: Blue Swirl <blauwirbel@gmail.com>
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@ -283,6 +283,7 @@ static void pic_reset(void *opaque)
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s->init4 = 0;
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s->single_mode = 0;
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/* Note: ELCR is not reset */
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pic_update_irq(s->pics_state);
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}
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static void pic_ioport_write(void *opaque, target_phys_addr_t addr64,
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@ -298,8 +299,6 @@ static void pic_ioport_write(void *opaque, target_phys_addr_t addr64,
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if (val & 0x10) {
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/* init */
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pic_reset(s);
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/* deassert a pending interrupt */
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qemu_irq_lower(s->pics_state->pics[0].int_out);
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s->init_state = 1;
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s->init4 = val & 1;
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s->single_mode = val & 2;
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