| /* SPDX-License-Identifier: GPL-2.0 */ | |
| #ifndef _TOOLS_LINUX_ASM_MIPS_BARRIER_H | |
| #define _TOOLS_LINUX_ASM_MIPS_BARRIER_H | |
| /* | |
| * FIXME: This came from tools/perf/perf-sys.h, where it was first introduced | |
| * in c1e028ef40b8d6943b767028ba17d4f2ba020edb, more work needed to make it | |
| * more closely follow the Linux kernel arch/mips/include/asm/barrier.h file. | |
| * Probably when we continue work on tools/ Kconfig support to have all the | |
| * CONFIG_ needed for properly doing that. | |
| */ | |
| #define mb() asm volatile( \ | |
| ".set mips2\n\t" \ | |
| "sync\n\t" \ | |
| ".set mips0" \ | |
| : /* no output */ \ | |
| : /* no input */ \ | |
| : "memory") | |
| #define wmb() mb() | |
| #define rmb() mb() | |
| #endif /* _TOOLS_LINUX_ASM_MIPS_BARRIER_H */ |