blob: 1327e12e96456c02b3d953a5aff0268eca06dfb7 (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
|
/*
* This file is subject to the terms and conditions of the GNU General Public
* License. See the file "COPYING" in the main directory of this archive
* for more details.
*
* Derived from IRIX <sys/SN/kldir.h>, revision 1.21.
*
* Copyright (C) 1992 - 1997, 1999, 2000 Silicon Graphics, Inc.
* Copyright (C) 1999, 2000 by Ralf Baechle
*/
#ifndef _ASM_SN_KLDIR_H
#define _ASM_SN_KLDIR_H
/*
* The kldir memory area resides at a fixed place in each node's memory and
* provides pointers to most other IP27 memory areas. This allows us to
* resize and/or relocate memory areas at a later time without breaking all
* firmware and kernels that use them. Indices in the array are
* permanently dedicated to areas listed below. Some memory areas (marked
* below) reside at a permanently fixed location, but are included in the
* directory for completeness.
*/
#define KLDIR_MAGIC 0x434d5f53505f5357
/*
* The upper portion of the memory map applies during boot
* only and is overwritten by IRIX/SYMMON.
*
* MEMORY MAP PER NODE
*
* 0x2000000 (32M) +-----------------------------------------+
* | IO6 BUFFERS FOR FLASH ENET IOC3 |
* 0x1F80000 (31.5M) +-----------------------------------------+
* | IO6 TEXT/DATA/BSS/stack |
* 0x1C00000 (30M) +-----------------------------------------+
* | IO6 PROM DEBUG TEXT/DATA/BSS/stack |
* 0x0800000 (28M) +-----------------------------------------+
* | IP27 PROM TEXT/DATA/BSS/stack |
* 0x1B00000 (27M) +-----------------------------------------+
* | IP27 CFG |
* 0x1A00000 (26M) +-----------------------------------------+
* | Graphics PROM |
* 0x1800000 (24M) +-----------------------------------------+
* | 3rd Party PROM drivers |
* 0x1600000 (22M) +-----------------------------------------+
* | |
* | Free |
* | |
* +-----------------------------------------+
* | UNIX DEBUG Version |
* 0x190000 (2M--) +-----------------------------------------+
* | SYMMON |
* | (For UNIX Debug only) |
* 0x34000 (208K) +-----------------------------------------+
* | SYMMON STACK [NUM_CPU_PER_NODE] |
* | (For UNIX Debug only) |
* 0x25000 (148K) +-----------------------------------------+
* | KLCONFIG - II (temp) |
* | |
* | ---------------------------- |
* | |
* | UNIX NON-DEBUG Version |
* 0x19000 (100K) +-----------------------------------------+
*
*
* The lower portion of the memory map contains information that is
* permanent and is used by the IP27PROM, IO6PROM and IRIX.
*
* 0x19000 (100K) +-----------------------------------------+
* | |
* | PI Error Spools (32K) |
* | |
* 0x12000 (72K) +-----------------------------------------+
* | Unused |
* 0x11c00 (71K) +-----------------------------------------+
* | CPU 1 NMI Eframe area |
* 0x11a00 (70.5K) +-----------------------------------------+
* | CPU 0 NMI Eframe area |
* 0x11800 (70K) +-----------------------------------------+
* | CPU 1 NMI Register save area |
* 0x11600 (69.5K) +-----------------------------------------+
* | CPU 0 NMI Register save area |
* 0x11400 (69K) +-----------------------------------------+
* | GDA (1k) |
* 0x11000 (68K) +-----------------------------------------+
* | Early cache Exception stack |
* | and/or |
* | kernel/io6prom nmi registers |
* 0x10800 (66k) +-----------------------------------------+
* | cache error eframe |
* 0x10400 (65K) +-----------------------------------------+
* | Exception Handlers (UALIAS copy) |
* 0x10000 (64K) +-----------------------------------------+
* | |
* | |
* | KLCONFIG - I (permanent) (48K) |
* | |
* | |
* | |
* 0x4000 (16K) +-----------------------------------------+
* | NMI Handler (Protected Page) |
* 0x3000 (12K) +-----------------------------------------+
* | ARCS PVECTORS (master node only) |
* 0x2c00 (11K) +-----------------------------------------+
* | ARCS TVECTORS (master node only) |
* 0x2800 (10K) +-----------------------------------------+
* | LAUNCH [NUM_CPU] |
* 0x2400 (9K) +-----------------------------------------+
* | Low memory directory (KLDIR) |
* 0x2000 (8K) +-----------------------------------------+
* | ARCS SPB (1K) |
* 0x1000 (4K) +-----------------------------------------+
* | Early cache Exception stack |
* | and/or |
* | kernel/io6prom nmi registers |
* 0x800 (2k) +-----------------------------------------+
* | cache error eframe |
* 0x400 (1K) +-----------------------------------------+
* | Exception Handlers |
* 0x0 (0K) +-----------------------------------------+
*/
#ifdef __ASSEMBLY__
#define KLDIR_OFF_MAGIC 0x00
#define KLDIR_OFF_OFFSET 0x08
#define KLDIR_OFF_POINTER 0x10
#define KLDIR_OFF_SIZE 0x18
#define KLDIR_OFF_COUNT 0x20
#define KLDIR_OFF_STRIDE 0x28
#endif /* __ASSEMBLY__ */
/*
* This is defined here because IP27_SYMMON_STK_SIZE must be at least what
* we define here. Since it's set up in the prom. We can't redefine it later
* and expect more space to be allocated. The way to find out the true size
* of the symmon stacks is to divide SYMMON_STK_SIZE by SYMMON_STK_STRIDE
* for a particular node.
*/
#define SYMMON_STACK_SIZE 0x8000
#if defined(PROM)
/*
* These defines are prom version dependent. No code other than the IP27
* prom should attempt to use these values.
*/
#define IP27_LAUNCH_OFFSET 0x2400
#define IP27_LAUNCH_SIZE 0x400
#define IP27_LAUNCH_COUNT 2
#define IP27_LAUNCH_STRIDE 0x200
#define IP27_KLCONFIG_OFFSET 0x4000
#define IP27_KLCONFIG_SIZE 0xc000
#define IP27_KLCONFIG_COUNT 1
#define IP27_KLCONFIG_STRIDE 0
#define IP27_NMI_OFFSET 0x3000
#define IP27_NMI_SIZE 0x40
#define IP27_NMI_COUNT 2
#define IP27_NMI_STRIDE 0x40
#define IP27_PI_ERROR_OFFSET 0x12000
#define IP27_PI_ERROR_SIZE 0x4000
#define IP27_PI_ERROR_COUNT 1
#define IP27_PI_ERROR_STRIDE 0
#define IP27_SYMMON_STK_OFFSET 0x25000
#define IP27_SYMMON_STK_SIZE 0xe000
#define IP27_SYMMON_STK_COUNT 2
/* IP27_SYMMON_STK_STRIDE must be >= SYMMON_STACK_SIZE */
#define IP27_SYMMON_STK_STRIDE 0x7000
#define IP27_FREEMEM_OFFSET 0x19000
#define IP27_FREEMEM_SIZE -1
#define IP27_FREEMEM_COUNT 1
#define IP27_FREEMEM_STRIDE 0
#endif /* PROM */
/*
* There will be only one of these in a partition so the IO6 must set it up.
*/
#define IO6_GDA_OFFSET 0x11000
#define IO6_GDA_SIZE 0x400
#define IO6_GDA_COUNT 1
#define IO6_GDA_STRIDE 0
/*
* save area of kernel nmi regs in the prom format
*/
#define IP27_NMI_KREGS_OFFSET 0x11400
#define IP27_NMI_KREGS_CPU_SIZE 0x200
/*
* save area of kernel nmi regs in eframe format
*/
#define IP27_NMI_EFRAME_OFFSET 0x11800
#define IP27_NMI_EFRAME_SIZE 0x200
#define KLDIR_ENT_SIZE 0x40
#define KLDIR_MAX_ENTRIES (0x400 / 0x40)
#ifndef __ASSEMBLY__
typedef struct kldir_ent_s {
u64 magic; /* Indicates validity of entry */
off_t offset; /* Offset from start of node space */
unsigned long pointer; /* Pointer to area in some cases */
size_t size; /* Size in bytes */
u64 count; /* Repeat count if array, 1 if not */
size_t stride; /* Stride if array, 0 if not */
char rsvd[16]; /* Pad entry to 0x40 bytes */
/* NOTE: These 16 bytes are used in the Partition KLDIR
entry to store partition info. Refer to klpart.h for this. */
} kldir_ent_t;
#endif /* !__ASSEMBLY__ */
#endif /* _ASM_SN_KLDIR_H */
|
