mirror of
https://github.com/torvalds/linux.git
synced 2024-12-11 21:52:04 +00:00
2874c5fd28
Based on 1 normalized pattern(s): this program is free software you can redistribute it and or modify it under the terms of the gnu general public license as published by the free software foundation either version 2 of the license or at your option any later version extracted by the scancode license scanner the SPDX license identifier GPL-2.0-or-later has been chosen to replace the boilerplate/reference in 3029 file(s). Signed-off-by: Thomas Gleixner <tglx@linutronix.de> Reviewed-by: Allison Randal <allison@lohutok.net> Cc: linux-spdx@vger.kernel.org Link: https://lkml.kernel.org/r/20190527070032.746973796@linutronix.de Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
44 lines
1014 B
C
44 lines
1014 B
C
// 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();
|
|
}
|
|
|
|
void __irq_entry do_IRQ(struct pt_regs *regs)
|
|
{
|
|
handle_arch_irq(regs);
|
|
}
|