xref: /linux/arch/loongarch/include/asm/cacheops.h (revision 8a922b7728a93d837954315c98b84f6b78de0c4f)
1 /* SPDX-License-Identifier: GPL-2.0 */
2 /*
3  * Cache operations for the cache instruction.
4  *
5  * Copyright (C) 2020-2022 Loongson Technology Corporation Limited
6  */
7 #ifndef __ASM_CACHEOPS_H
8 #define __ASM_CACHEOPS_H
9 
10 /*
11  * Most cache ops are split into a 3 bit field identifying the cache, and a 2
12  * bit field identifying the cache operation.
13  */
14 #define CacheOp_Cache			0x07
15 #define CacheOp_Op			0x18
16 
17 #define Cache_LEAF0			0x00
18 #define Cache_LEAF1			0x01
19 #define Cache_LEAF2			0x02
20 #define Cache_LEAF3			0x03
21 #define Cache_LEAF4			0x04
22 #define Cache_LEAF5			0x05
23 
24 #define Index_Invalidate		0x08
25 #define Index_Writeback_Inv		0x08
26 #define Hit_Invalidate			0x10
27 #define Hit_Writeback_Inv		0x10
28 #define CacheOp_User_Defined		0x18
29 
30 #define Index_Writeback_Inv_LEAF0	(Cache_LEAF0 | Index_Writeback_Inv)
31 #define Index_Writeback_Inv_LEAF1	(Cache_LEAF1 | Index_Writeback_Inv)
32 #define Index_Writeback_Inv_LEAF2	(Cache_LEAF2 | Index_Writeback_Inv)
33 #define Index_Writeback_Inv_LEAF3	(Cache_LEAF3 | Index_Writeback_Inv)
34 #define Index_Writeback_Inv_LEAF4	(Cache_LEAF4 | Index_Writeback_Inv)
35 #define Index_Writeback_Inv_LEAF5	(Cache_LEAF5 | Index_Writeback_Inv)
36 #define Hit_Writeback_Inv_LEAF0		(Cache_LEAF0 | Hit_Writeback_Inv)
37 #define Hit_Writeback_Inv_LEAF1		(Cache_LEAF1 | Hit_Writeback_Inv)
38 #define Hit_Writeback_Inv_LEAF2		(Cache_LEAF2 | Hit_Writeback_Inv)
39 #define Hit_Writeback_Inv_LEAF3		(Cache_LEAF3 | Hit_Writeback_Inv)
40 #define Hit_Writeback_Inv_LEAF4		(Cache_LEAF4 | Hit_Writeback_Inv)
41 #define Hit_Writeback_Inv_LEAF5		(Cache_LEAF5 | Hit_Writeback_Inv)
42 
43 #endif	/* __ASM_CACHEOPS_H */
44