mipsNN.h revision 1.3 1 /* $NetBSD: mipsNN.h,v 1.3 2003/02/07 17:38:48 cgd Exp $ */
2
3 /*
4 * Copyright 2000, 2001
5 * Broadcom Corporation. All rights reserved.
6 *
7 * This software is furnished under license and may be used and copied only
8 * in accordance with the following terms and conditions. Subject to these
9 * conditions, you may download, copy, install, use, modify and distribute
10 * modified or unmodified copies of this software in source and/or binary
11 * form. No title or ownership is transferred hereby.
12 *
13 * 1) Any source code used, modified or distributed must reproduce and
14 * retain this copyright notice and list of conditions as they appear in
15 * the source file.
16 *
17 * 2) No right is granted to use any trade name, trademark, or logo of
18 * Broadcom Corporation. The "Broadcom Corporation" name may not be
19 * used to endorse or promote products derived from this software
20 * without the prior written permission of Broadcom Corporation.
21 *
22 * 3) THIS SOFTWARE IS PROVIDED "AS-IS" AND ANY EXPRESS OR IMPLIED
23 * WARRANTIES, INCLUDING BUT NOT LIMITED TO, ANY IMPLIED WARRANTIES OF
24 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, OR
25 * NON-INFRINGEMENT ARE DISCLAIMED. IN NO EVENT SHALL BROADCOM BE LIABLE
26 * FOR ANY DAMAGES WHATSOEVER, AND IN PARTICULAR, BROADCOM SHALL NOT BE
27 * LIABLE FOR DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
32 * OR OTHERWISE), EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
33 */
34
35 /*
36 * Values related to the MIPS32/MIPS64 Privileged Resource Architecture.
37 */
38
39 #define _MIPSNN_SHIFT(reg) __MIPSNN_SHIFT(reg)
40 #define __MIPSNN_SHIFT(reg) MIPSNN_ ## reg ## _SHIFT
41 #define _MIPSNN_MASK(reg) __MIPSNN_MASK(reg)
42 #define __MIPSNN_MASK(reg) MIPSNN_ ## reg ## _MASK
43
44 #define MIPSNN_GET(reg, x) \
45 ((unsigned)((x) & _MIPSNN_MASK(reg)) >> _MIPSNN_SHIFT(reg))
46 #define MIPSNN_PUT(reg, val) \
47 (((x) << _MIPSNN_SHIFT(reg)) & _MIPSNN_MASK(reg))
48
49 /*
50 * Values in Configuration Register (CP0 Register 16, Select 0)
51 */
52
53 /* "M" (R): Configuration Register 1 present if set. Defined as always set. */
54 #define MIPSNN_CFG_M 0x80000000
55
56 /* Reserved for CPU implementations. */
57 // reserved 0x7fff0000
58
59 /* "BE" (R): Big endian if set, little endian if clear. */
60 #define MIPSNN_CFG_BE 0x00008000
61
62 /* "AT" (R): architecture type implemented by processor */
63 #define MIPSNN_CFG_AT_MASK 0x00006000
64 #define MIPSNN_CFG_AT_SHIFT 13
65
66 #define MIPSNN_CFG_AT_MIPS32 0 /* MIPS32 */
67 #define MIPSNN_CFG_AT_MIPS64S 1 /* MIPS64S */
68 #define MIPSNN_CFG_AT_MIPS64 2 /* MIPS64 */
69 // reserved 3
70
71 /* "AR" (R): Architecture revision level implemented by proc. */
72 #define MIPSNN_CFG_AR_MASK 0x00001c00
73 #define MIPSNN_CFG_AR_SHIFT 10
74
75 #define MIPSNN_CFG_AR_REV1 0 /* Revision 1 */
76 // reserved other values
77
78 /* "MT" (R): MMU type implemented by processor */
79 #define MIPSNN_CFG_MT_MASK 0x00000380
80 #define MIPSNN_CFG_MT_SHIFT 7
81
82 #define MIPSNN_CFG_MT_NONE 0 /* No MMU */
83 #define MIPSNN_CFG_MT_TLB 1 /* Std TLB */
84 #define MIPSNN_CFG_MT_BAT 2 /* Std BAT */
85 #define MIPSNN_CFG_MT_FIXED 3 /* Std Fixed mapping */
86 // reserved other values
87
88 /* Reserved. Write as 0, reads as 0. */
89 // reserved 0x00000070
90
91 /* "M" (R): Virtual instruction cache if set. */
92 #define MIPSNN_CFG_VI 0x00000008
93
94 /* "K0" (RW): Kseg0 coherency algorithm. (values are TLB_ATTRs) */
95 #define MIPSNN_CFG_K0_MASK 0x00000007
96 #define MIPSNN_CFG_K0_SHIFT 0
97
98
99 /*
100 * Values in Configuration Register 1 (CP0 Register 16, Select 1)
101 */
102
103 /* Reserved for Configuration Register 2 present. Write as 0, reads as 0. */
104 // reserved 0x80000000
105
106 /* MS (R): Number of TLB entries - 1. */
107 #define MIPSNN_CFG1_MS_MASK 0x7e000000
108 #define MIPSNN_CFG1_MS_SHIFT 25
109
110 #define MIPSNN_CFG1_MS(x) (MIPSNN_GET(CFG1_MS, (x)) + 1)
111
112 /* "IS" (R): (Primary) I-cache sets per way. */
113 #define MIPSNN_CFG1_IS_MASK 0x01c00000
114 #define MIPSNN_CFG1_IS_SHIFT 22
115
116 #define MIPSNN_CFG1_IS_RSVD 7 /* rsvd value, otherwise: */
117 #define MIPSNN_CFG1_IS(x) (64 << MIPSNN_GET(CFG1_IS, (x)))
118
119 /* "IL" (R): (Primary) I-cache line size. */
120 #define MIPSNN_CFG1_IL_MASK 0x00380000
121 #define MIPSNN_CFG1_IL_SHIFT 19
122
123 #define MIPSNN_CFG1_IL_NONE 0 /* No I-cache, */
124 #define MIPSNN_CFG1_IL_RSVD 7 /* rsvd value, otherwise: */
125 #define MIPSNN_CFG1_IL(x) (2 << MIPSNN_GET(CFG1_IL, (x)))
126
127 /* "IA" (R): (Primary) I-cache associativity (ways - 1). */
128 #define MIPSNN_CFG1_IA_MASK 0x00070000
129 #define MIPSNN_CFG1_IA_SHIFT 16
130
131 #define MIPSNN_CFG1_IA(x) MIPSNN_GET(CFG1_IA, (x))
132
133 /* "DS" (R): (Primary) D-cache sets per way. */
134 #define MIPSNN_CFG1_DS_MASK 0x0000e000
135 #define MIPSNN_CFG1_DS_SHIFT 13
136
137 #define MIPSNN_CFG1_DS_RSVD 7 /* rsvd value, otherwise: */
138 #define MIPSNN_CFG1_DS(x) (64 << MIPSNN_GET(CFG1_DS, (x)))
139
140 /* "DL" (R): (Primary) D-cache line size. */
141 #define MIPSNN_CFG1_DL_MASK 0x00001c00
142 #define MIPSNN_CFG1_DL_SHIFT 10
143
144 #define MIPSNN_CFG1_DL_NONE 0 /* No D-cache, */
145 #define MIPSNN_CFG1_DL_RSVD 7 /* rsvd value, otherwise: */
146 #define MIPSNN_CFG1_DL(x) (2 << MIPSNN_GET(CFG1_DL, (x)))
147
148 /* "DA" (R): (Primary) D-cache associativity (ways - 1). */
149 #define MIPSNN_CFG1_DA_MASK 0x00000380
150 #define MIPSNN_CFG1_DA_SHIFT 7
151
152 #define MIPSNN_CFG1_DA(x) MIPSNN_GET(CFG1_DA, (x))
153
154 /* Reserved. Write as 0, reads as 0. */
155 // reserved 0x00000060
156
157 /* "PC" (R): Performance Counters implemented if set. */
158 #define MIPSNN_CFG1_PC 0x00000010
159
160 /* "WR" (R): Watch registers implemented if set. */
161 #define MIPSNN_CFG1_WR 0x00000008
162
163 /* "CA" (R): Code compressiong (MIPS16) implemented if set. */
164 #define MIPSNN_CFG1_CA 0x00000004
165
166 /* "EP" (R): EJTAG implemented if set. */
167 #define MIPSNN_CFG1_EP 0x00000002
168
169 /* "FP" (R): FPU implemented if set. */
170 #define MIPSNN_CFG1_FP 0x00000001
171