diff options
Diffstat (limited to 'arch/openrisc/kernel/irq.c')
-rw-r--r-- | arch/openrisc/kernel/irq.c | 38 |
1 files changed, 38 insertions, 0 deletions
diff --git a/arch/openrisc/kernel/irq.c b/arch/openrisc/kernel/irq.c new file mode 100644 index 0000000000..f38e10962a --- /dev/null +++ b/arch/openrisc/kernel/irq.c @@ -0,0 +1,38 @@ +// 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(); +} |