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| author | Huacai Chen <chenhuacai@loongson.cn> | 2022-05-31 13:04:11 +0300 |
|---|---|---|
| committer | Huacai Chen <chenhuacai@loongson.cn> | 2022-06-03 15:09:28 +0300 |
| commit | b738c106f7355e318ca47a3b981688efe1bc12fb (patch) | |
| tree | d9aabd9d80b50bf2ec0f4d029a72b61bacda4d5e /arch/loongarch/include/asm/prefetch.h | |
| parent | 5b0b14e550a006b4d093619e7517923872bcc218 (diff) | |
| download | linux-b738c106f7355e318ca47a3b981688efe1bc12fb.tar.xz | |
LoongArch: Add other common headers
Add some other common headers for basic LoongArch support.
Reviewed-by: WANG Xuerui <git@xen0n.name>
Reviewed-by: Jiaxun Yang <jiaxun.yang@flygoat.com>
Signed-off-by: Huacai Chen <chenhuacai@loongson.cn>
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 */ |