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hw: Move declaration of IRQState to header and add init function

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To allow embedding a qemu_irq in a struct move its definition to the
header and add a function to init it in place without allocating it.

Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
Message-Id: <e3ffd0f6ef8845d0f7247c9b6ff33f7ee8b432cf.1719690591.git.balaton@eik.bme.hu>
Signed-off-by: BALATON Zoltan <balaton@eik.bme.hu>
This commit is contained in:
BALATON Zoltan 2024-06-29 22:01:53 +02:00 • committed by Michael S. Tsirkin
parent 2688e8df60
commit e72a7f65c1
2 changed files with 29 additions and 14 deletions
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18
include/hw/irq.h
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@ -1,9 +1,20 @@
#ifndef QEMU_IRQ_H
#define QEMU_IRQ_H
#include "qom/object.h"
/* Generic IRQ/GPIO pin infrastructure. */
#define TYPE_IRQ "irq"
OBJECT_DECLARE_SIMPLE_TYPE(IRQState, IRQ)
struct IRQState {
Object parent_obj;
qemu_irq_handler handler;
void *opaque;
int n;
};
void qemu_set_irq(qemu_irq irq, int level);
@ -23,6 +34,13 @@ static inline void qemu_irq_pulse(qemu_irq irq)
qemu_set_irq(irq, 0);
}
/*
* Init a single IRQ. The irq is assigned with a handler, an opaque data
* and the interrupt number.
*/
void qemu_init_irq(IRQState *irq, qemu_irq_handler handler, void *opaque,
int n);
/* Returns an array of N IRQs. Each IRQ is assigned the argument handler and
* opaque data.
*/