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wdenk6069ff22003-02-28 00:49:47 +00001/*
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 *
Shinya Kuribayashi282223a2008-03-25 11:43:17 +09008 * (C) Copyright 1996, 97, 99, 2002, 03 Ralf Baechle
9 * (C) Copyright 1999 Silicon Graphics, Inc.
wdenk6069ff22003-02-28 00:49:47 +000010 */
Shinya Kuribayashi282223a2008-03-25 11:43:17 +090011#ifndef __ASM_CACHEOPS_H
12#define __ASM_CACHEOPS_H
wdenk6069ff22003-02-28 00:49:47 +000013
14/*
Shinya Kuribayashi282223a2008-03-25 11:43:17 +090015 * Cache Operations available on all MIPS processors with R4000-style caches
wdenk6069ff22003-02-28 00:49:47 +000016 */
Zhi-zhou Zhangcb0a6a12012-10-16 15:02:08 +020017#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
Shinya Kuribayashi282223a2008-03-25 11:43:17 +090023#if defined(CONFIG_CPU_LOONGSON2)
Zhi-zhou Zhangcb0a6a12012-10-16 15:02:08 +020024#define HIT_INVALIDATE_I 0x00
Shinya Kuribayashi282223a2008-03-25 11:43:17 +090025#else
Zhi-zhou Zhangcb0a6a12012-10-16 15:02:08 +020026#define HIT_INVALIDATE_I 0x10
Shinya Kuribayashi282223a2008-03-25 11:43:17 +090027#endif
Zhi-zhou Zhangcb0a6a12012-10-16 15:02:08 +020028#define HIT_INVALIDATE_D 0x11
29#define HIT_WRITEBACK_INV_D 0x15
Shinya Kuribayashi282223a2008-03-25 11:43:17 +090030
31/*
32 * R4000-specific cacheops
33 */
Zhi-zhou Zhangcb0a6a12012-10-16 15:02:08 +020034#define CREATE_DIRTY_EXCL_D 0x0d
35#define FILL 0x14
36#define HIT_WRITEBACK_I 0x18
37#define HIT_WRITEBACK_D 0x19
Shinya Kuribayashi282223a2008-03-25 11:43:17 +090038
39/*
40 * R4000SC and R4400SC-specific cacheops
41 */
Zhi-zhou Zhangcb0a6a12012-10-16 15:02:08 +020042#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
wdenk6069ff22003-02-28 00:49:47 +000055
Shinya Kuribayashi282223a2008-03-25 11:43:17 +090056/*
57 * R5000-specific cacheops
58 */
Zhi-zhou Zhangcb0a6a12012-10-16 15:02:08 +020059#define R5K_PAGE_INVALIDATE_S 0x17
Shinya Kuribayashi282223a2008-03-25 11:43:17 +090060
61/*
62 * RM7000-specific cacheops
63 */
Zhi-zhou Zhangcb0a6a12012-10-16 15:02:08 +020064#define PAGE_INVALIDATE_T 0x16
Shinya Kuribayashi282223a2008-03-25 11:43:17 +090065
66/*
67 * R10000-specific cacheops
68 *
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 */
Zhi-zhou Zhangcb0a6a12012-10-16 15:02:08 +020072#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
Shinya Kuribayashi282223a2008-03-25 11:43:17 +090084
85#endif /* __ASM_CACHEOPS_H */