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-rw-r--r--arch/loongarch/include/asm/cacheops.h43
1 files changed, 43 insertions, 0 deletions
diff --git a/arch/loongarch/include/asm/cacheops.h b/arch/loongarch/include/asm/cacheops.h
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+++ b/arch/loongarch/include/asm/cacheops.h
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+/* SPDX-License-Identifier: GPL-2.0 */
+/*
+ * Cache operations for the cache instruction.
+ *
+ * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
+ */
+#ifndef __ASM_CACHEOPS_H
+#define __ASM_CACHEOPS_H
+
+/*
+ * Most cache ops are split into a 3 bit field identifying the cache, and a 2
+ * bit field identifying the cache operation.
+ */
+#define CacheOp_Cache 0x07
+#define CacheOp_Op 0x18
+
+#define Cache_LEAF0 0x00
+#define Cache_LEAF1 0x01
+#define Cache_LEAF2 0x02
+#define Cache_LEAF3 0x03
+#define Cache_LEAF4 0x04
+#define Cache_LEAF5 0x05
+
+#define Index_Invalidate 0x08
+#define Index_Writeback_Inv 0x08
+#define Hit_Invalidate 0x10
+#define Hit_Writeback_Inv 0x10
+#define CacheOp_User_Defined 0x18
+
+#define Index_Writeback_Inv_LEAF0 (Cache_LEAF0 | Index_Writeback_Inv)
+#define Index_Writeback_Inv_LEAF1 (Cache_LEAF1 | Index_Writeback_Inv)
+#define Index_Writeback_Inv_LEAF2 (Cache_LEAF2 | Index_Writeback_Inv)
+#define Index_Writeback_Inv_LEAF3 (Cache_LEAF3 | Index_Writeback_Inv)
+#define Index_Writeback_Inv_LEAF4 (Cache_LEAF4 | Index_Writeback_Inv)
+#define Index_Writeback_Inv_LEAF5 (Cache_LEAF5 | Index_Writeback_Inv)
+#define Hit_Writeback_Inv_LEAF0 (Cache_LEAF0 | Hit_Writeback_Inv)
+#define Hit_Writeback_Inv_LEAF1 (Cache_LEAF1 | Hit_Writeback_Inv)
+#define Hit_Writeback_Inv_LEAF2 (Cache_LEAF2 | Hit_Writeback_Inv)
+#define Hit_Writeback_Inv_LEAF3 (Cache_LEAF3 | Hit_Writeback_Inv)
+#define Hit_Writeback_Inv_LEAF4 (Cache_LEAF4 | Hit_Writeback_Inv)
+#define Hit_Writeback_Inv_LEAF5 (Cache_LEAF5 | Hit_Writeback_Inv)
+
+#endif /* __ASM_CACHEOPS_H */