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hw/irq: Introduce qemu_init_irqs() helper

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While qemu_init_irq() initialize a single IRQ,
qemu_init_irqs() initialize an array of them.

Suggested-by: Bernhard Beschow <shentey@gmail.com>
Signed-off-by: Philippe Mathieu-Daudé <philmd@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-Id: <20250121155526.29982-2-philmd@linaro.org>
This commit is contained in:
Philippe Mathieu-Daudé 2025-01-21 16:37:02 +01:00
parent 70bc20311f
commit c17943b00f
2 changed files with 19 additions and 0 deletions
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8
hw/core/irq.c
View file

@ -49,6 +49,14 @@ void qemu_init_irq(IRQState *irq, qemu_irq_handler handler, void *opaque,
init_irq_fields(irq, handler, opaque, n);
}
void qemu_init_irqs(IRQState irq[], size_t count,
qemu_irq_handler handler, void *opaque)
{
for (size_t i = 0; i < count; i++) {
qemu_init_irq(&irq[i], handler, opaque, i);
}
}
qemu_irq *qemu_extend_irqs(qemu_irq *old, int n_old, qemu_irq_handler handler,
void *opaque, int n)
{

11
include/hw/irq.h
View file

@ -41,6 +41,17 @@ static inline void qemu_irq_pulse(qemu_irq irq)
void qemu_init_irq(IRQState *irq, qemu_irq_handler handler, void *opaque,
int n);
/**
* qemu_init_irqs: Initialize an array of IRQs.
*
* @irq: Array of IRQs to initialize
* @count: number of IRQs to initialize
* @handler: handler to assign to each IRQ
* @opaque: opaque data to pass to @handler
*/
void qemu_init_irqs(IRQState irq[], size_t count,
qemu_irq_handler handler, void *opaque);
/* Returns an array of N IRQs. Each IRQ is assigned the argument handler and
* opaque data.
*/