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
|
// SPDX-License-Identifier: GPL-2.0-or-later
/*
* OpenRISC irq.c
*
* Linux architectural port borrowing liberally from similar works of
* others. All original copyrights apply as per the original source
* declaration.
*
* Modifications for the OpenRISC architecture:
* Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
*/
#include <linux/interrupt.h>
#include <linux/init.h>
#include <linux/ftrace.h>
#include <linux/irq.h>
#include <linux/irqchip.h>
#include <linux/export.h>
#include <linux/irqflags.h>
/* read interrupt enabled status */
unsigned long arch_local_save_flags(void)
{
return mfspr(SPR_SR) & (SPR_SR_IEE|SPR_SR_TEE);
}
EXPORT_SYMBOL(arch_local_save_flags);
/* set interrupt enabled status */
void arch_local_irq_restore(unsigned long flags)
{
mtspr(SPR_SR, ((mfspr(SPR_SR) & ~(SPR_SR_IEE|SPR_SR_TEE)) | flags));
}
EXPORT_SYMBOL(arch_local_irq_restore);
void __init init_IRQ(void)
{
irqchip_init();
}
|
