// SPDX-License-Identifier: GPL-2.0
/*
 * SHcompact irqflags support
 *
 * Copyright (C) 2006 - 2009 Paul Mundt
 */
#include <linux/irqflags.h>
#include <linux/module.h>

void notrace arch_local_irq_restore(unsigned long flags)
{
        unsigned long __dummy0, __dummy1;

        if (flags == ARCH_IRQ_DISABLED) {
                __asm__ __volatile__ (
                        "stc    sr, %0\n\t"
                        "or     #0xf0, %0\n\t"
                        "ldc    %0, sr\n\t"
                        : "=&z" (__dummy0)
                        : /* no inputs */
                        : "memory"
                );
        } else {
                __asm__ __volatile__ (
                        "stc    sr, %0\n\t"
                        "and    %1, %0\n\t"
#ifdef CONFIG_CPU_HAS_SR_RB
                        "stc    r6_bank, %1\n\t"
                        "or     %1, %0\n\t"
#endif
                        "ldc    %0, sr\n\t"
                        : "=&r" (__dummy0), "=r" (__dummy1)
                        : "1" (~ARCH_IRQ_DISABLED)
                        : "memory"
                );
        }
}
EXPORT_SYMBOL(arch_local_irq_restore);

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

        __asm__ __volatile__ (
                "stc    sr, %0\n\t"
                "and    #0xf0, %0\n\t"
                : "=&z" (flags)
                : /* no inputs */
                : "memory"
        );

        return flags;
}
EXPORT_SYMBOL(arch_local_save_flags);