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Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
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1/* SPDX-License-Identifier: GPL-2.0-only */
2/*
3 * linux/arch/unicore32/include/asm/irqflags.h
4 *
5 * Code specific to PKUnity SoC and UniCore ISA
6 *
7 * Copyright (C) 2001-2010 GUAN Xue-tao
8 */
9#ifndef __UNICORE_IRQFLAGS_H__
10#define __UNICORE_IRQFLAGS_H__
11
12#ifdef __KERNEL__
13
14#include <asm/ptrace.h>
15
16#define ARCH_IRQ_DISABLED (PRIV_MODE | PSR_I_BIT)
17#define ARCH_IRQ_ENABLED (PRIV_MODE)
18
19/*
20 * Save the current interrupt enable state.
21 */
22static inline unsigned long arch_local_save_flags(void)
23{
24 unsigned long temp;
25
26 asm volatile("mov %0, asr" : "=r" (temp) : : "memory", "cc");
27
28 return temp & PSR_c;
29}
30
31/*
32 * restore saved IRQ state
33 */
34static inline void arch_local_irq_restore(unsigned long flags)
35{
36 unsigned long temp;
37
38 asm volatile(
39 "mov %0, asr\n"
40 "mov.a asr, %1\n"
41 "mov.f asr, %0"
42 : "=&r" (temp)
43 : "r" (flags)
44 : "memory", "cc");
45}
46
47#include <asm-generic/irqflags.h>
48
49#endif
50#endif