]>
Commit | Line | Data |
---|---|---|
1da177e4 LT |
1 | /* |
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 | */ | |
70342287 RB |
11 | #ifndef __ASM_CACHEOPS_H |
12 | #define __ASM_CACHEOPS_H | |
1da177e4 | 13 | |
5fa393c8 JH |
14 | /* |
15 | * Most cache ops are split into a 2 bit field identifying the cache, and a 3 | |
16 | * bit field identifying the cache operation. | |
17 | */ | |
18 | #define CacheOp_Cache 0x03 | |
19 | #define CacheOp_Op 0x1c | |
20 | ||
21 | #define Cache_I 0x00 | |
22 | #define Cache_D 0x01 | |
23 | #define Cache_T 0x02 | |
b2edcfc8 | 24 | #define Cache_V 0x02 /* Loongson-3 */ |
5fa393c8 JH |
25 | #define Cache_S 0x03 |
26 | ||
27 | #define Index_Writeback_Inv 0x00 | |
28 | #define Index_Load_Tag 0x04 | |
29 | #define Index_Store_Tag 0x08 | |
30 | #define Hit_Invalidate 0x10 | |
31 | #define Hit_Writeback_Inv 0x14 /* not with Cache_I though */ | |
32 | #define Hit_Writeback 0x18 | |
33 | ||
1da177e4 LT |
34 | /* |
35 | * Cache Operations available on all MIPS processors with R4000-style caches | |
36 | */ | |
5fa393c8 JH |
37 | #define Index_Invalidate_I (Cache_I | Index_Writeback_Inv) |
38 | #define Index_Writeback_Inv_D (Cache_D | Index_Writeback_Inv) | |
39 | #define Index_Load_Tag_I (Cache_I | Index_Load_Tag) | |
40 | #define Index_Load_Tag_D (Cache_D | Index_Load_Tag) | |
41 | #define Index_Store_Tag_I (Cache_I | Index_Store_Tag) | |
42 | #define Index_Store_Tag_D (Cache_D | Index_Store_Tag) | |
43 | #define Hit_Invalidate_I (Cache_I | Hit_Invalidate) | |
44 | #define Hit_Invalidate_D (Cache_D | Hit_Invalidate) | |
45 | #define Hit_Writeback_Inv_D (Cache_D | Hit_Writeback_Inv) | |
1da177e4 LT |
46 | |
47 | /* | |
48 | * R4000-specific cacheops | |
49 | */ | |
5fa393c8 JH |
50 | #define Create_Dirty_Excl_D (Cache_D | 0x0c) |
51 | #define Fill (Cache_I | 0x14) | |
52 | #define Hit_Writeback_I (Cache_I | Hit_Writeback) | |
53 | #define Hit_Writeback_D (Cache_D | Hit_Writeback) | |
1da177e4 LT |
54 | |
55 | /* | |
56 | * R4000SC and R4400SC-specific cacheops | |
57 | */ | |
5fa393c8 JH |
58 | #define Cache_SI 0x02 |
59 | #define Cache_SD 0x03 | |
60 | ||
61 | #define Index_Invalidate_SI (Cache_SI | Index_Writeback_Inv) | |
62 | #define Index_Writeback_Inv_SD (Cache_SD | Index_Writeback_Inv) | |
63 | #define Index_Load_Tag_SI (Cache_SI | Index_Load_Tag) | |
64 | #define Index_Load_Tag_SD (Cache_SD | Index_Load_Tag) | |
65 | #define Index_Store_Tag_SI (Cache_SI | Index_Store_Tag) | |
66 | #define Index_Store_Tag_SD (Cache_SD | Index_Store_Tag) | |
67 | #define Create_Dirty_Excl_SD (Cache_SD | 0x0c) | |
68 | #define Hit_Invalidate_SI (Cache_SI | Hit_Invalidate) | |
69 | #define Hit_Invalidate_SD (Cache_SD | Hit_Invalidate) | |
70 | #define Hit_Writeback_Inv_SD (Cache_SD | Hit_Writeback_Inv) | |
71 | #define Hit_Writeback_SD (Cache_SD | Hit_Writeback) | |
72 | #define Hit_Set_Virtual_SI (Cache_SI | 0x1c) | |
73 | #define Hit_Set_Virtual_SD (Cache_SD | 0x1c) | |
1da177e4 LT |
74 | |
75 | /* | |
76 | * R5000-specific cacheops | |
77 | */ | |
5fa393c8 | 78 | #define R5K_Page_Invalidate_S (Cache_S | 0x14) |
1da177e4 LT |
79 | |
80 | /* | |
81 | * RM7000-specific cacheops | |
82 | */ | |
5fa393c8 JH |
83 | #define Page_Invalidate_T (Cache_T | 0x14) |
84 | #define Index_Store_Tag_T (Cache_T | Index_Store_Tag) | |
85 | #define Index_Load_Tag_T (Cache_T | Index_Load_Tag) | |
1da177e4 LT |
86 | |
87 | /* | |
2e4f9582 | 88 | * R10000-specific cacheops |
1da177e4 LT |
89 | * |
90 | * Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused. | |
91 | * Most of the _S cacheops are identical to the R4000SC _SD cacheops. | |
92 | */ | |
5fa393c8 JH |
93 | #define Index_Writeback_Inv_S (Cache_S | Index_Writeback_Inv) |
94 | #define Index_Load_Tag_S (Cache_S | Index_Load_Tag) | |
95 | #define Index_Store_Tag_S (Cache_S | Index_Store_Tag) | |
96 | #define Hit_Invalidate_S (Cache_S | Hit_Invalidate) | |
7b784c63 | 97 | #define Cache_Barrier 0x14 |
5fa393c8 JH |
98 | #define Hit_Writeback_Inv_S (Cache_S | Hit_Writeback_Inv) |
99 | #define Index_Load_Data_I (Cache_I | 0x18) | |
100 | #define Index_Load_Data_D (Cache_D | 0x18) | |
101 | #define Index_Load_Data_S (Cache_S | 0x18) | |
102 | #define Index_Store_Data_I (Cache_I | 0x1c) | |
103 | #define Index_Store_Data_D (Cache_D | 0x1c) | |
104 | #define Index_Store_Data_S (Cache_S | 0x1c) | |
1da177e4 | 105 | |
14bd8c08 RB |
106 | /* |
107 | * Loongson2-specific cacheops | |
108 | */ | |
5fa393c8 | 109 | #define Hit_Invalidate_I_Loongson2 (Cache_I | 0x00) |
14bd8c08 | 110 | |
b2edcfc8 HC |
111 | /* |
112 | * Loongson3-specific cacheops | |
113 | */ | |
114 | #define Index_Writeback_Inv_V (Cache_V | Index_Writeback_Inv) | |
115 | ||
1da177e4 | 116 | #endif /* __ASM_CACHEOPS_H */ |