Release 4.14 arch/sh/kernel/irq_64.c

/*
 * SHmedia irqflags support
 *
 * Copyright (C) 2006 - 2009 Paul Mundt
 *
 * This file is subject to the terms and conditions of the GNU General Public
 * License. See the file "COPYING" in the main directory of this archive
 * for more details.
 */
#include <linux/irqflags.h>
#include <linux/module.h>
#include <cpu/registers.h>



void notrace arch_local_irq_restore(unsigned long flags)
{
	unsigned long long __dummy;

	if (flags == ARCH_IRQ_DISABLED) {
		__asm__ __volatile__ (
                        "getcon " __SR ", %0\n\t"
                        "or     %0, %1, %0\n\t"
                        "putcon %0, " __SR "\n\t"
                        : "=&r" (__dummy)
                        : "r" (ARCH_IRQ_DISABLED)
                );
	} else {
		__asm__ __volatile__ (
                        "getcon " __SR ", %0\n\t"
                        "and    %0, %1, %0\n\t"
                        "putcon %0, " __SR "\n\t"
                        : "=&r" (__dummy)
                        : "r" (~ARCH_IRQ_DISABLED)
                );
	}
}
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3
100.00%


EXPORT_SYMBOL(arch_local_irq_restore);



unsigned long notrace arch_local_save_flags(void)
{
	unsigned long flags;

	__asm__ __volatile__ (
                "getcon " __SR ", %0\n\t"
                "and    %0, %1, %0"
                : "=&r" (flags)
                : "r" (ARCH_IRQ_DISABLED)
        );

	return flags;
}
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18
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Matt Fleming
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3
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EXPORT_SYMBOL(arch_local_save_flags);
Overall Contributors
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Paul Mundt
69
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66.67%
Matt Fleming
2
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1
33.33%
Total
71
100.00%
3
100.00%
Directory: arch/sh/kernel

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