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i8259_init() helper creates a i8259 device on an ISA bus, connects its IRQ output to the parent's input IRQ, and returns an array of 16 ISA input IRQs. Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org> Reviewed-by: Richard Henderson <richard.henderson@linaro.org> Message-Id: <20230210163744.32182-2-philmd@linaro.org>
21 lines
426 B
C
21 lines
426 B
C
#ifndef HW_I8259_H
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#define HW_I8259_H
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/* i8259.c */
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extern PICCommonState *isa_pic;
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/*
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* i8259_init()
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*
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* Create a i8259 device on an ISA @bus,
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* connect its output to @parent_irq_in,
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* return an (allocated) array of 16 input IRQs.
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*/
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qemu_irq *i8259_init(ISABus *bus, qemu_irq parent_irq_in);
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qemu_irq *kvm_i8259_init(ISABus *bus);
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int pic_get_output(PICCommonState *s);
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int pic_read_irq(PICCommonState *s);
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#endif
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