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