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Linus Torvalds1da177e2005-04-16 15:20:36 -07001/*
2 * Cache operations for the cache instruction.
3 *
4 * This file is subject to the terms and conditions of the GNU General Public
5 * License. See the file "COPYING" in the main directory of this archive
6 * for more details.
7 *
8 * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
9 * (C) Copyright 1999 Silicon Graphics, Inc.
10 */
11#ifndef __ASM_CACHEOPS_H
12#define __ASM_CACHEOPS_H
13
14/*
15 * Cache Operations available on all MIPS processors with R4000-style caches
16 */
17#define Index_Invalidate_I 0x00
18#define Index_Writeback_Inv_D 0x01
19#define Index_Load_Tag_I 0x04
20#define Index_Load_Tag_D 0x05
21#define Index_Store_Tag_I 0x08
22#define Index_Store_Tag_D 0x09
Fuxin Zhang2a21c732007-06-06 14:52:43 +080023#if defined(CONFIG_CPU_LOONGSON2)
24#define Hit_Invalidate_I 0x00
25#else
Linus Torvalds1da177e2005-04-16 15:20:36 -070026#define Hit_Invalidate_I 0x10
Fuxin Zhang2a21c732007-06-06 14:52:43 +080027#endif
Linus Torvalds1da177e2005-04-16 15:20:36 -070028#define Hit_Invalidate_D 0x11
29#define Hit_Writeback_Inv_D 0x15
30
31/*
32 * R4000-specific cacheops
33 */
34#define Create_Dirty_Excl_D 0x0d
35#define Fill 0x14
36#define Hit_Writeback_I 0x18
37#define Hit_Writeback_D 0x19
38
39/*
40 * R4000SC and R4400SC-specific cacheops
41 */
42#define Index_Invalidate_SI 0x02
43#define Index_Writeback_Inv_SD 0x03
44#define Index_Load_Tag_SI 0x06
45#define Index_Load_Tag_SD 0x07
46#define Index_Store_Tag_SI 0x0A
47#define Index_Store_Tag_SD 0x0B
48#define Create_Dirty_Excl_SD 0x0f
49#define Hit_Invalidate_SI 0x12
50#define Hit_Invalidate_SD 0x13
51#define Hit_Writeback_Inv_SD 0x17
52#define Hit_Writeback_SD 0x1b
53#define Hit_Set_Virtual_SI 0x1e
54#define Hit_Set_Virtual_SD 0x1f
55
56/*
57 * R5000-specific cacheops
58 */
59#define R5K_Page_Invalidate_S 0x17
60
61/*
62 * RM7000-specific cacheops
63 */
64#define Page_Invalidate_T 0x16
65
66/*
Ralf Baechle2e4f9582008-01-14 14:46:31 +000067 * R10000-specific cacheops
Linus Torvalds1da177e2005-04-16 15:20:36 -070068 *
69 * Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused.
70 * Most of the _S cacheops are identical to the R4000SC _SD cacheops.
71 */
72#define Index_Writeback_Inv_S 0x03
73#define Index_Load_Tag_S 0x07
74#define Index_Store_Tag_S 0x0B
75#define Hit_Invalidate_S 0x13
76#define Cache_Barrier 0x14
77#define Hit_Writeback_Inv_S 0x17
78#define Index_Load_Data_I 0x18
79#define Index_Load_Data_D 0x19
80#define Index_Load_Data_S 0x1b
81#define Index_Store_Data_I 0x1c
82#define Index_Store_Data_D 0x1d
83#define Index_Store_Data_S 0x1f
84
85#endif /* __ASM_CACHEOPS_H */