1/*
2 * SHmedia irqflags support
3 *
4 * Copyright (C) 2006 - 2009 Paul Mundt
5 *
6 * This file is subject to the terms and conditions of the GNU General Public
7 * License. See the file "COPYING" in the main directory of this archive
8 * for more details.
9 */
10#include <linux/irqflags.h>
11#include <linux/module.h>
12#include <cpu/registers.h>
13
14void notrace arch_local_irq_restore(unsigned long flags)
15{
16	unsigned long long __dummy;
17
18	if (flags == ARCH_IRQ_DISABLED) {
19		__asm__ __volatile__ (
20			"getcon	" __SR ", %0\n\t"
21			"or	%0, %1, %0\n\t"
22			"putcon	%0, " __SR "\n\t"
23			: "=&r" (__dummy)
24			: "r" (ARCH_IRQ_DISABLED)
25		);
26	} else {
27		__asm__ __volatile__ (
28			"getcon	" __SR ", %0\n\t"
29			"and	%0, %1, %0\n\t"
30			"putcon	%0, " __SR "\n\t"
31			: "=&r" (__dummy)
32			: "r" (~ARCH_IRQ_DISABLED)
33		);
34	}
35}
36EXPORT_SYMBOL(arch_local_irq_restore);
37
38unsigned long notrace arch_local_save_flags(void)
39{
40	unsigned long flags;
41
42	__asm__ __volatile__ (
43		"getcon	" __SR ", %0\n\t"
44		"and	%0, %1, %0"
45		: "=&r" (flags)
46		: "r" (ARCH_IRQ_DISABLED)
47	);
48
49	return flags;
50}
51EXPORT_SYMBOL(arch_local_save_flags);
52