| Kyle Swenson | 8d8f654 | 2021-03-15 11:02:55 -0600 | [diff] [blame] | 1 | #ifndef _TOOLS_LINUX_ASM_MIPS_BARRIER_H |
| 2 | #define _TOOLS_LINUX_ASM_MIPS_BARRIER_H |
| 3 | /* |
| 4 | * FIXME: This came from tools/perf/perf-sys.h, where it was first introduced |
| 5 | * in c1e028ef40b8d6943b767028ba17d4f2ba020edb, more work needed to make it |
| 6 | * more closely follow the Linux kernel arch/mips/include/asm/barrier.h file. |
| 7 | * Probably when we continue work on tools/ Kconfig support to have all the |
| 8 | * CONFIG_ needed for properly doing that. |
| 9 | */ |
| 10 | #define mb() asm volatile( \ |
| 11 | ".set mips2\n\t" \ |
| 12 | "sync\n\t" \ |
| 13 | ".set mips0" \ |
| 14 | : /* no output */ \ |
| 15 | : /* no input */ \ |
| 16 | : "memory") |
| 17 | #define wmb() mb() |
| 18 | #define rmb() mb() |
| 19 | |
| 20 | #endif /* _TOOLS_LINUX_ASM_MIPS_BARRIER_H */ |