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/*
* linux/arch/unicore32/include/asm/irqflags.h
*
* Code specific to PKUnity SoC and UniCore ISA
*
* Copyright (C) 2001-2010 GUAN Xue-tao
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*/
#ifndef __UNICORE_IRQFLAGS_H__
#define __UNICORE_IRQFLAGS_H__
#ifdef __KERNEL__
#include <asm/ptrace.h>
#define ARCH_IRQ_DISABLED (PRIV_MODE | PSR_I_BIT)
#define ARCH_IRQ_ENABLED (PRIV_MODE)
/*
* Save the current interrupt enable state.
*/
static inline unsigned long arch_local_save_flags(void)
{
unsigned long temp;
asm volatile("mov %0, asr" : "=r" (temp) : : "memory", "cc");
return temp & PSR_c;
}
/*
* restore saved IRQ state
*/
static inline void arch_local_irq_restore(unsigned long flags)
{
unsigned long temp;
asm volatile(
"mov %0, asr\n"
"mov.a asr, %1\n"
"mov.f asr, %0"
: "=&r" (temp)
: "r" (flags)
: "memory", "cc");
}
#include <asm-generic/irqflags.h>
#endif
#endif
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