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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

Filemanager

Name Type Size Permission Actions
Kbuild File 877 B 0644
assembler.h File 2.71 KB 0644
barrier.h File 602 B 0644
bitops.h File 1.19 KB 0644
bug.h File 632 B 0644
cache.h File 805 B 0644
cacheflush.h File 6.46 KB 0644
checksum.h File 978 B 0644
cmpxchg.h File 1.43 KB 0644
cpu-single.h File 1.18 KB 0644
cputype.h File 787 B 0644
delay.h File 1.53 KB 0644
dma-mapping.h File 1.11 KB 0644
dma.h File 531 B 0644
elf.h File 2.58 KB 0644
fpstate.h File 550 B 0644
fpu-ucf64.h File 1.32 KB 0644
gpio.h File 2.75 KB 0644
hwcap.h File 773 B 0644
hwdef-copro.h File 1.3 KB 0644
io.h File 2 KB 0644
irq.h File 2.56 KB 0644
irqflags.h File 1.03 KB 0644
linkage.h File 524 B 0644
memblock.h File 1.1 KB 0644
memory.h File 3.16 KB 0644
mmu.h File 430 B 0644
mmu_context.h File 2.76 KB 0644
page.h File 1.89 KB 0644
pci.h File 578 B 0644
pgalloc.h File 2.47 KB 0644
pgtable-hwdef.h File 1.3 KB 0644
pgtable.h File 9.42 KB 0644
processor.h File 1.98 KB 0644
ptrace.h File 1.37 KB 0644
stacktrace.h File 787 B 0644
string.h File 994 B 0644
suspend.h File 667 B 0644
switch_to.h File 901 B 0644
thread_info.h File 3.29 KB 0644
timex.h File 767 B 0644
tlb.h File 781 B 0644
tlbflush.h File 5.53 KB 0644
traps.h File 627 B 0644
uaccess.h File 1.33 KB 0644