// 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); }