blob: f2f6a220e4964e95d00a51ffc6b2ea3b3e5b01a6 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
|
/* Copyright 2014 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
#include "cpu.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)
/*
* 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) DECLARE_IRQ_(irq, routine, priority)
#ifdef CONFIG_TASK_PROFILING
#define DECLARE_IRQ_(irq, routine, priority) \
static void routine(void); \
void IRQ_HANDLER(irq)(void) \
{ \
void *ret = __builtin_return_address(0); \
task_start_irq_handler(ret); \
routine(); \
task_end_irq_handler(ret); \
} \
const struct irq_priority __keep IRQ_PRIORITY(irq) \
__attribute__((section(".rodata.irqprio"))) = { irq, \
priority }
#else /* CONFIG_TASK_PROFILING */
/* No Profiling : connect directly the IRQ vector */
#define DECLARE_IRQ_(irq, routine, priority) \
static void __keep routine(void); \
void IRQ_HANDLER(irq)(void) \
__attribute__((alias(STRINGIFY(routine)))); \
const struct irq_priority __keep IRQ_PRIORITY(irq) \
__attribute__((section(".rodata.irqprio"))) = { irq, \
priority }
#endif /* CONFIG_TASK_PROFILING */
#endif /* __CROS_EC_IRQ_HANDLER_H */
|
