mirror of
git://projects.qi-hardware.com/openwrt-xburst.git
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97 lines
2.3 KiB
C
97 lines
2.3 KiB
C
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/*
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* arch/ubicom32/include/asm/irqflags.h
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* Raw implementation of local IRQ functions.
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*
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* (C) Copyright 2009, Ubicom, Inc.
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*
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* This file is part of the Ubicom32 Linux Kernel Port.
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*
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* The Ubicom32 Linux Kernel Port is free software: you can redistribute
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* it and/or modify it under the terms of the GNU General Public License
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* as published by the Free Software Foundation, either version 2 of the
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* License, or (at your option) any later version.
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*
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* The Ubicom32 Linux Kernel Port is distributed in the hope that it
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* will be useful, but WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See
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* the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with the Ubicom32 Linux Kernel Port. If not,
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* see <http://www.gnu.org/licenses/>.
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*
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* Ubicom32 implementation derived from (with many thanks):
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* arch/m68knommu
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* arch/blackfin
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* arch/parisc
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*/
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#ifndef _ASM_UBICOM32_IRQFLAGS_H
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#define _ASM_UBICOM32_IRQFLAGS_H
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#include <linux/thread_info.h>
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#include <asm/ubicom32-common.h>
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#if defined(CONFIG_SMP)
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#include <asm/smp.h>
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#endif
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#include <asm/ldsr.h>
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#if defined(CONFIG_PREEMPT)
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#error Not supported by Ubicom32 irq handling, yet!
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#endif
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/*
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* raw_local_irq_enable()
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* Enable interrupts for this thread.
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*/
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static inline void raw_local_irq_enable(void)
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{
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ldsr_local_irq_enable();
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}
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/*
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* raw_local_irq_disable()
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* Disable interrupts for this thread.
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*/
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static inline void raw_local_irq_disable(void)
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{
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ldsr_local_irq_disable();
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}
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/*
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* raw_local_save_flags()
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* Get the current IRQ state.
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*/
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#define raw_local_save_flags(flags) \
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do { \
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(flags) = ldsr_local_irq_is_disabled(); \
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} while (0)
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/*
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* raw_local_irq_save()
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* Save the current interrupt state and disable interrupts.
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*/
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#define raw_local_irq_save(flags) \
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do { \
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(flags) = ldsr_local_irq_save(); \
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} while (0)
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/*
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* raw_local_irq_restore()
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* Restore the IRQ state back to flags.
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*/
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static inline void raw_local_irq_restore(unsigned long flags)
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{
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ldsr_local_irq_restore(flags);
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}
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/*
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* raw_irqs_disabled_flags()
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* Return true if the flags indicate that IRQ(s) are disabled.
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*/
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static inline int raw_irqs_disabled_flags(unsigned long flags)
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{
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return (flags);
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}
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#endif /* _ASM_UBICOM32_IRQFLAGS_H */
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