| /* SPDX-License-Identifier: GPL-2.0-only */ |
| #ifndef _ASM_POWERPC_VDSO_PROCESSOR_H |
| #define _ASM_POWERPC_VDSO_PROCESSOR_H |
| |
| #ifndef __ASSEMBLY__ |
| |
| /* Macros for adjusting thread priority (hardware multi-threading) */ |
| #ifdef CONFIG_PPC64 |
| #define HMT_very_low() asm volatile("or 31, 31, 31 # very low priority") |
| #define HMT_low() asm volatile("or 1, 1, 1 # low priority") |
| #define HMT_medium_low() asm volatile("or 6, 6, 6 # medium low priority") |
| #define HMT_medium() asm volatile("or 2, 2, 2 # medium priority") |
| #define HMT_medium_high() asm volatile("or 5, 5, 5 # medium high priority") |
| #define HMT_high() asm volatile("or 3, 3, 3 # high priority") |
| #else |
| #define HMT_very_low() |
| #define HMT_low() |
| #define HMT_medium_low() |
| #define HMT_medium() |
| #define HMT_medium_high() |
| #define HMT_high() |
| #endif |
| |
| #ifdef CONFIG_PPC64 |
| #define cpu_relax() do { HMT_low(); HMT_medium(); barrier(); } while (0) |
| #else |
| #define cpu_relax() barrier() |
| #endif |
| |
| #endif /* __ASSEMBLY__ */ |
| |
| #endif /* _ASM_POWERPC_VDSO_PROCESSOR_H */ |
