1// SPDX-License-Identifier: GPL-2.0
 2/*
 3 * SHmedia irqflags support
 4 *
 5 * Copyright (C) 2006 - 2009 Paul Mundt
 6 */
 7#include <linux/irqflags.h>
 8#include <linux/module.h>
 9#include <cpu/registers.h>
10
11void notrace arch_local_irq_restore(unsigned long flags)
12{
13	unsigned long long __dummy;
14
15	if (flags == ARCH_IRQ_DISABLED) {
16		__asm__ __volatile__ (
17			"getcon	" __SR ", %0\n\t"
18			"or	%0, %1, %0\n\t"
19			"putcon	%0, " __SR "\n\t"
20			: "=&r" (__dummy)
21			: "r" (ARCH_IRQ_DISABLED)
22		);
23	} else {
24		__asm__ __volatile__ (
25			"getcon	" __SR ", %0\n\t"
26			"and	%0, %1, %0\n\t"
27			"putcon	%0, " __SR "\n\t"
28			: "=&r" (__dummy)
29			: "r" (~ARCH_IRQ_DISABLED)
30		);
31	}
32}
33EXPORT_SYMBOL(arch_local_irq_restore);
34
35unsigned long notrace arch_local_save_flags(void)
36{
37	unsigned long flags;
38
39	__asm__ __volatile__ (
40		"getcon	" __SR ", %0\n\t"
41		"and	%0, %1, %0"
42		: "=&r" (flags)
43		: "r" (ARCH_IRQ_DISABLED)
44	);
45
46	return flags;
47}
48EXPORT_SYMBOL(arch_local_save_flags);