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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 | */ | |
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 | |
23 | #define Hit_Invalidate_I 0x10 | |
24 | #define Hit_Invalidate_D 0x11 | |
25 | #define Hit_Writeback_Inv_D 0x15 | |
26 | ||
27 | /* | |
28 | * R4000-specific cacheops | |
29 | */ | |
30 | #define Create_Dirty_Excl_D 0x0d | |
31 | #define Fill 0x14 | |
32 | #define Hit_Writeback_I 0x18 | |
33 | #define Hit_Writeback_D 0x19 | |
34 | ||
35 | /* | |
36 | * R4000SC and R4400SC-specific cacheops | |
37 | */ | |
38 | #define Index_Invalidate_SI 0x02 | |
39 | #define Index_Writeback_Inv_SD 0x03 | |
40 | #define Index_Load_Tag_SI 0x06 | |
41 | #define Index_Load_Tag_SD 0x07 | |
42 | #define Index_Store_Tag_SI 0x0A | |
43 | #define Index_Store_Tag_SD 0x0B | |
44 | #define Create_Dirty_Excl_SD 0x0f | |
45 | #define Hit_Invalidate_SI 0x12 | |
46 | #define Hit_Invalidate_SD 0x13 | |
47 | #define Hit_Writeback_Inv_SD 0x17 | |
48 | #define Hit_Writeback_SD 0x1b | |
49 | #define Hit_Set_Virtual_SI 0x1e | |
50 | #define Hit_Set_Virtual_SD 0x1f | |
51 | ||
52 | /* | |
53 | * R5000-specific cacheops | |
54 | */ | |
55 | #define R5K_Page_Invalidate_S 0x17 | |
56 | ||
57 | /* | |
58 | * RM7000-specific cacheops | |
59 | */ | |
60 | #define Page_Invalidate_T 0x16 | |
61 | ||
62 | /* | |
63 | * R1000-specific cacheops | |
64 | * | |
65 | * Cacheops 0x02, 0x06, 0x0a, 0x0c-0x0e, 0x16, 0x1a and 0x1e are unused. | |
66 | * Most of the _S cacheops are identical to the R4000SC _SD cacheops. | |
67 | */ | |
68 | #define Index_Writeback_Inv_S 0x03 | |
69 | #define Index_Load_Tag_S 0x07 | |
70 | #define Index_Store_Tag_S 0x0B | |
71 | #define Hit_Invalidate_S 0x13 | |
72 | #define Cache_Barrier 0x14 | |
73 | #define Hit_Writeback_Inv_S 0x17 | |
74 | #define Index_Load_Data_I 0x18 | |
75 | #define Index_Load_Data_D 0x19 | |
76 | #define Index_Load_Data_S 0x1b | |
77 | #define Index_Store_Data_I 0x1c | |
78 | #define Index_Store_Data_D 0x1d | |
79 | #define Index_Store_Data_S 0x1f | |
80 | ||
81 | #endif /* __ASM_CACHEOPS_H */ |