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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-07 18:49:45 +0000
commit2c3c1048746a4622d8c89a29670120dc8fab93c4 (patch)
tree848558de17fb3008cdf4d861b01ac7781903ce39 /arch/loongarch/include/asm/prefetch.h
parentInitial commit. (diff)
downloadlinux-2c3c1048746a4622d8c89a29670120dc8fab93c4.tar.xz
linux-2c3c1048746a4622d8c89a29670120dc8fab93c4.zip
Adding upstream version 6.1.76.upstream/6.1.76
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'arch/loongarch/include/asm/prefetch.h')
-rw-r--r--arch/loongarch/include/asm/prefetch.h29
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 000000000..1672262a5
--- /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 */