diff options
Diffstat (limited to 'arch/loongarch/include/asm/prefetch.h')
-rw-r--r-- | arch/loongarch/include/asm/prefetch.h | 29 |
1 files changed, 29 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/prefetch.h b/arch/loongarch/include/asm/prefetch.h new file mode 100644 index 000000000000..1672262a5e2e --- /dev/null +++ b/arch/loongarch/include/asm/prefetch.h @@ -0,0 +1,29 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2020-2022 Loongson Technology Corporation Limited + */ +#ifndef __ASM_PREFETCH_H +#define __ASM_PREFETCH_H + +#define Pref_Load 0 +#define Pref_Store 8 + +#ifdef __ASSEMBLY__ + + .macro __pref hint addr +#ifdef CONFIG_CPU_HAS_PREFETCH + preld \hint, \addr, 0 +#endif + .endm + + .macro pref_load addr + __pref Pref_Load, \addr + .endm + + .macro pref_store addr + __pref Pref_Store, \addr + .endm + +#endif + +#endif /* __ASM_PREFETCH_H */ |