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43 lines
1014 B
43 lines
1014 B
// SPDX-License-Identifier: GPL-2.0-or-later |
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/* |
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* OpenRISC irq.c |
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* |
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* Linux architectural port borrowing liberally from similar works of |
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* others. All original copyrights apply as per the original source |
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* declaration. |
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* |
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* Modifications for the OpenRISC architecture: |
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* Copyright (C) 2010-2011 Jonas Bonn <[email protected]> |
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*/ |
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#include <linux/interrupt.h> |
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#include <linux/init.h> |
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#include <linux/ftrace.h> |
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#include <linux/irq.h> |
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#include <linux/irqchip.h> |
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#include <linux/export.h> |
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#include <linux/irqflags.h> |
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/* read interrupt enabled status */ |
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unsigned long arch_local_save_flags(void) |
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{ |
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return mfspr(SPR_SR) & (SPR_SR_IEE|SPR_SR_TEE); |
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} |
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EXPORT_SYMBOL(arch_local_save_flags); |
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/* set interrupt enabled status */ |
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void arch_local_irq_restore(unsigned long flags) |
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{ |
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mtspr(SPR_SR, ((mfspr(SPR_SR) & ~(SPR_SR_IEE|SPR_SR_TEE)) | flags)); |
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} |
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EXPORT_SYMBOL(arch_local_irq_restore); |
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void __init init_IRQ(void) |
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{ |
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irqchip_init(); |
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} |
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void __irq_entry do_IRQ(struct pt_regs *regs) |
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{ |
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handle_arch_irq(regs); |
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}
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