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/* Copyright 2019 The ChromiumOS Authors
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
/* Helper to declare IRQ handling routines */
#ifndef __CROS_EC_IRQ_HANDLER_H
#define __CROS_EC_IRQ_HANDLER_H
/* Helper macros to build the IRQ handler and priority struct names */
#define IRQ_HANDLER(irqname) CONCAT3(irq_, irqname, _handler)
#define IRQ_PRIORITY(irqname) CONCAT2(prio_, irqname)
#ifndef CPU_INT
#define CPU_INT(irq) irq
#endif
/*
* Macro to connect the interrupt handler "routine" to the irq number "irq" and
* ensure it is enabled in the interrupt controller with the right priority.
*/
#define DECLARE_IRQ(irq, routine, priority) \
static void __keep routine(void); \
void IRQ_HANDLER(CPU_INT(irq))(void) \
__attribute__((alias(STRINGIFY(routine)))); \
const struct irq_priority __keep IRQ_PRIORITY(CPU_INT(irq)) \
__attribute__((section(".rodata.irqprio"))) = { CPU_INT(irq), \
priority }
#endif /* __CROS_EC_IRQ_HANDLER_H */
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