mirror of
https://github.com/AsahiLinux/u-boot
synced 2024-11-18 18:59:44 +00:00
28 lines
602 B
C
28 lines
602 B
C
|
/*
|
||
|
|
* Copyright (C) 2016 Cadence Design Systems Inc.
|
||
|
|
*
|
||
|
|
* SPDX-License-Identifier: GPL-2.0+
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef _XTENSA_SYSTEM_H
|
||
|
|
#define _XTENSA_SYSTEM_H
|
||
|
|
|
||
|
|
#include <asm/arch/core.h>
|
||
|
|
|
||
|
|
#if XCHAL_HAVE_INTERRUPTS
|
||
|
|
#define local_irq_save(flags) \
|
||
|
|
__asm__ __volatile__ ("rsil %0, %1" \
|
||
|
|
: "=a"(flags) \
|
||
|
|
: "I"(XCHAL_EXCM_LEVEL) \
|
||
|
|
: "memory")
|
||
|
|
#define local_irq_restore(flags) \
|
||
|
|
__asm__ __volatile__ ("wsr %0, ps\n\t" \
|
||
|
|
"rsync" \
|
||
|
|
:: "a"(flags) : "memory")
|
||
|
|
#else
|
||
|
|
#define local_irq_save(flags) ((void)(flags))
|
||
|
|
#define local_irq_restore(flags) ((void)(flags))
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|