1 /* 2 * This file is subject to the terms and conditions of the GNU General Public 3 * License. See the file "COPYING" in the main directory of this archive 4 * for more details. 5 * 6 * Derived from IRIX <sys/SN/kldir.h>, revision 1.21. 7 * 8 * Copyright (C) 1992-1997,1999,2001-2003 Silicon Graphics, Inc. All Rights Reserved. 9 * Copyright (C) 1999 by Ralf Baechle 10 */ 11 #ifndef _ASM_IA64_SN_KLDIR_H 12 #define _ASM_IA64_SN_KLDIR_H 13 14 #include <asm/sn/sgi.h> 15 16 /* 17 * The kldir memory area resides at a fixed place in each node's memory and 18 * provides pointers to most other IP27 memory areas. This allows us to 19 * resize and/or relocate memory areas at a later time without breaking all 20 * firmware and kernels that use them. Indices in the array are 21 * permanently dedicated to areas listed below. Some memory areas (marked 22 * below) reside at a permanently fixed location, but are included in the 23 * directory for completeness. 24 */ 25 26 #define KLDIR_MAGIC 0x434d5f53505f5357 27 28 /* 29 * The upper portion of the memory map applies during boot 30 * only and is overwritten by IRIX/SYMMON. 31 * 32 * MEMORY MAP PER NODE 33 * 34 * 0x2000000 (32M) +-----------------------------------------+ 35 * | IO6 BUFFERS FOR FLASH ENET IOC3 | 36 * 0x1F80000 (31.5M) +-----------------------------------------+ 37 * | IO6 TEXT/DATA/BSS/stack | 38 * 0x1C00000 (30M) +-----------------------------------------+ 39 * | IO6 PROM DEBUG TEXT/DATA/BSS/stack | 40 * 0x0800000 (28M) +-----------------------------------------+ 41 * | IP27 PROM TEXT/DATA/BSS/stack | 42 * 0x1B00000 (27M) +-----------------------------------------+ 43 * | IP27 CFG | 44 * 0x1A00000 (26M) +-----------------------------------------+ 45 * | Graphics PROM | 46 * 0x1800000 (24M) +-----------------------------------------+ 47 * | 3rd Party PROM drivers | 48 * 0x1600000 (22M) +-----------------------------------------+ 49 * | | 50 * | Free | 51 * | | 52 * +-----------------------------------------+ 53 * | UNIX DEBUG Version | 54 * 0x190000 (2M--) +-----------------------------------------+ 55 * | SYMMON | 56 * | (For UNIX Debug only) | 57 * 0x34000 (208K) +-----------------------------------------+ 58 * | SYMMON STACK [NUM_CPU_PER_NODE] | 59 * | (For UNIX Debug only) | 60 * 0x25000 (148K) +-----------------------------------------+ 61 * | KLCONFIG - II (temp) | 62 * | | 63 * | ---------------------------- | 64 * | | 65 * | UNIX NON-DEBUG Version | 66 * 0x19000 (100K) +-----------------------------------------+ 67 * 68 * 69 * The lower portion of the memory map contains information that is 70 * permanent and is used by the IP27PROM, IO6PROM and IRIX. 71 * 72 * 0x19000 (100K) +-----------------------------------------+ 73 * | | 74 * | PI Error Spools (32K) | 75 * | | 76 * 0x12000 (72K) +-----------------------------------------+ 77 * | Unused | 78 * 0x11c00 (71K) +-----------------------------------------+ 79 * | CPU 1 NMI Eframe area | 80 * 0x11a00 (70.5K) +-----------------------------------------+ 81 * | CPU 0 NMI Eframe area | 82 * 0x11800 (70K) +-----------------------------------------+ 83 * | CPU 1 NMI Register save area | 84 * 0x11600 (69.5K) +-----------------------------------------+ 85 * | CPU 0 NMI Register save area | 86 * 0x11400 (69K) +-----------------------------------------+ 87 * | GDA (1k) | 88 * 0x11000 (68K) +-----------------------------------------+ 89 * | Early cache Exception stack | 90 * | and/or | 91 * | kernel/io6prom nmi registers | 92 * 0x10800 (66k) +-----------------------------------------+ 93 * | cache error eframe | 94 * 0x10400 (65K) +-----------------------------------------+ 95 * | Exception Handlers (UALIAS copy) | 96 * 0x10000 (64K) +-----------------------------------------+ 97 * | | 98 * | | 99 * | KLCONFIG - I (permanent) (48K) | 100 * | | 101 * | | 102 * | | 103 * 0x4000 (16K) +-----------------------------------------+ 104 * | NMI Handler (Protected Page) | 105 * 0x3000 (12K) +-----------------------------------------+ 106 * | ARCS PVECTORS (master node only) | 107 * 0x2c00 (11K) +-----------------------------------------+ 108 * | ARCS TVECTORS (master node only) | 109 * 0x2800 (10K) +-----------------------------------------+ 110 * | LAUNCH [NUM_CPU] | 111 * 0x2400 (9K) +-----------------------------------------+ 112 * | Low memory directory (KLDIR) | 113 * 0x2000 (8K) +-----------------------------------------+ 114 * | ARCS SPB (1K) | 115 * 0x1000 (4K) +-----------------------------------------+ 116 * | Early cache Exception stack | 117 * | and/or | 118 * | kernel/io6prom nmi registers | 119 * 0x800 (2k) +-----------------------------------------+ 120 * | cache error eframe | 121 * 0x400 (1K) +-----------------------------------------+ 122 * | Exception Handlers | 123 * 0x0 (0K) +-----------------------------------------+ 124 */ 125 126 #ifdef __ASSEMBLY__ 127 #define KLDIR_OFF_MAGIC 0x00 128 #define KLDIR_OFF_OFFSET 0x08 129 #define KLDIR_OFF_POINTER 0x10 130 #define KLDIR_OFF_SIZE 0x18 131 #define KLDIR_OFF_COUNT 0x20 132 #define KLDIR_OFF_STRIDE 0x28 133 #endif /* __ASSEMBLY__ */ 134 135 #ifndef __ASSEMBLY__ 136 typedef struct kldir_ent_s { 137 u64 magic; /* Indicates validity of entry */ 138 off_t offset; /* Offset from start of node space */ 139 __psunsigned_t pointer; /* Pointer to area in some cases */ 140 size_t size; /* Size in bytes */ 141 u64 count; /* Repeat count if array, 1 if not */ 142 size_t stride; /* Stride if array, 0 if not */ 143 char rsvd[16]; /* Pad entry to 0x40 bytes */ 144 /* NOTE: These 16 bytes are used in the Partition KLDIR 145 entry to store partition info. Refer to klpart.h for this. */ 146 } kldir_ent_t; 147 #endif /* __ASSEMBLY__ */ 148 149 150 #define KLDIR_ENT_SIZE 0x40 151 #define KLDIR_MAX_ENTRIES (0x400 / 0x40) 152 153 154 155 /* 156 * The upper portion of the memory map applies during boot 157 * only and is overwritten by IRIX/SYMMON. The minimum memory bank 158 * size on IP35 is 64M, which provides a limit on the amount of space 159 * the PROM can assume it has available. 160 * 161 * Most of the addresses below are defined as macros in this file, or 162 * in SN/addrs.h or SN/SN1/addrs.h. 163 * 164 * MEMORY MAP PER NODE 165 * 166 * 0x4000000 (64M) +-----------------------------------------+ 167 * | | 168 * | | 169 * | IO7 TEXT/DATA/BSS/stack | 170 * 0x3000000 (48M) +-----------------------------------------+ 171 * | Free | 172 * 0x2102000 (>33M) +-----------------------------------------+ 173 * | IP35 Topology (PCFG) + misc data | 174 * 0x2000000 (32M) +-----------------------------------------+ 175 * | IO7 BUFFERS FOR FLASH ENET IOC3 | 176 * 0x1F80000 (31.5M) +-----------------------------------------+ 177 * | Free | 178 * 0x1C00000 (28M) +-----------------------------------------+ 179 * | IP35 PROM TEXT/DATA/BSS/stack | 180 * 0x1A00000 (26M) +-----------------------------------------+ 181 * | Routing temp. space | 182 * 0x1800000 (24M) +-----------------------------------------+ 183 * | Diagnostics temp. space | 184 * 0x1500000 (21M) +-----------------------------------------+ 185 * | Free | 186 * 0x1400000 (20M) +-----------------------------------------+ 187 * | IO7 PROM temporary copy | 188 * 0x1300000 (19M) +-----------------------------------------+ 189 * | | 190 * | Free | 191 * | (UNIX DATA starts above 0x1000000) | 192 * | | 193 * +-----------------------------------------+ 194 * | UNIX DEBUG Version | 195 * 0x0310000 (3.1M) +-----------------------------------------+ 196 * | SYMMON, loaded just below UNIX | 197 * | (For UNIX Debug only) | 198 * | | 199 * | | 200 * 0x006C000 (432K) +-----------------------------------------+ 201 * | SYMMON STACK [NUM_CPU_PER_NODE] | 202 * | (For UNIX Debug only) | 203 * 0x004C000 (304K) +-----------------------------------------+ 204 * | | 205 * | | 206 * | UNIX NON-DEBUG Version | 207 * 0x0040000 (256K) +-----------------------------------------+ 208 * 209 * 210 * The lower portion of the memory map contains information that is 211 * permanent and is used by the IP35PROM, IO7PROM and IRIX. 212 * 213 * 0x40000 (256K) +-----------------------------------------+ 214 * | | 215 * | KLCONFIG (64K) | 216 * | | 217 * 0x30000 (192K) +-----------------------------------------+ 218 * | | 219 * | PI Error Spools (64K) | 220 * | | 221 * 0x20000 (128K) +-----------------------------------------+ 222 * | | 223 * | Unused | 224 * | | 225 * 0x19000 (100K) +-----------------------------------------+ 226 * | Early cache Exception stack (CPU 3)| 227 * 0x18800 (98K) +-----------------------------------------+ 228 * | cache error eframe (CPU 3) | 229 * 0x18400 (97K) +-----------------------------------------+ 230 * | Exception Handlers (CPU 3) | 231 * 0x18000 (96K) +-----------------------------------------+ 232 * | | 233 * | Unused | 234 * | | 235 * 0x13c00 (79K) +-----------------------------------------+ 236 * | GPDA (8k) | 237 * 0x11c00 (71K) +-----------------------------------------+ 238 * | Early cache Exception stack (CPU 2)| 239 * 0x10800 (66k) +-----------------------------------------+ 240 * | cache error eframe (CPU 2) | 241 * 0x10400 (65K) +-----------------------------------------+ 242 * | Exception Handlers (CPU 2) | 243 * 0x10000 (64K) +-----------------------------------------+ 244 * | | 245 * | Unused | 246 * | | 247 * 0x0b400 (45K) +-----------------------------------------+ 248 * | GDA (1k) | 249 * 0x0b000 (44K) +-----------------------------------------+ 250 * | NMI Eframe areas (4) | 251 * 0x0a000 (40K) +-----------------------------------------+ 252 * | NMI Register save areas (4) | 253 * 0x09000 (36K) +-----------------------------------------+ 254 * | Early cache Exception stack (CPU 1)| 255 * 0x08800 (34K) +-----------------------------------------+ 256 * | cache error eframe (CPU 1) | 257 * 0x08400 (33K) +-----------------------------------------+ 258 * | Exception Handlers (CPU 1) | 259 * 0x08000 (32K) +-----------------------------------------+ 260 * | | 261 * | | 262 * | Unused | 263 * | | 264 * | | 265 * 0x04000 (16K) +-----------------------------------------+ 266 * | NMI Handler (Protected Page) | 267 * 0x03000 (12K) +-----------------------------------------+ 268 * | ARCS PVECTORS (master node only) | 269 * 0x02c00 (11K) +-----------------------------------------+ 270 * | ARCS TVECTORS (master node only) | 271 * 0x02800 (10K) +-----------------------------------------+ 272 * | LAUNCH [NUM_CPU] | 273 * 0x02400 (9K) +-----------------------------------------+ 274 * | Low memory directory (KLDIR) | 275 * 0x02000 (8K) +-----------------------------------------+ 276 * | ARCS SPB (1K) | 277 * 0x01000 (4K) +-----------------------------------------+ 278 * | Early cache Exception stack (CPU 0)| 279 * 0x00800 (2k) +-----------------------------------------+ 280 * | cache error eframe (CPU 0) | 281 * 0x00400 (1K) +-----------------------------------------+ 282 * | Exception Handlers (CPU 0) | 283 * 0x00000 (0K) +-----------------------------------------+ 284 */ 285 286 /* 287 * NOTE: To change the kernel load address, you must update: 288 * - the appropriate elspec files in irix/kern/master.d 289 * - NODEBUGUNIX_ADDR in SN/SN1/addrs.h 290 * - IP27_FREEMEM_OFFSET below 291 * - KERNEL_START_OFFSET below (if supporting cells) 292 */ 293 294 295 /* 296 * This is defined here because IP27_SYMMON_STK_SIZE must be at least what 297 * we define here. Since it's set up in the prom. We can't redefine it later 298 * and expect more space to be allocated. The way to find out the true size 299 * of the symmon stacks is to divide SYMMON_STK_SIZE by SYMMON_STK_STRIDE 300 * for a particular node. 301 */ 302 #define SYMMON_STACK_SIZE 0x8000 303 304 #if defined (PROM) || defined (SABLE) 305 306 /* 307 * These defines are prom version dependent. No code other than the IP35 308 * prom should attempt to use these values. 309 */ 310 #define IP27_LAUNCH_OFFSET 0x2400 311 #define IP27_LAUNCH_SIZE 0x400 312 #define IP27_LAUNCH_COUNT 4 313 #define IP27_LAUNCH_STRIDE 0x100 /* could be as small as 0x80 */ 314 315 #define IP27_KLCONFIG_OFFSET 0x30000 316 #define IP27_KLCONFIG_SIZE 0x10000 317 #define IP27_KLCONFIG_COUNT 1 318 #define IP27_KLCONFIG_STRIDE 0 319 320 #define IP27_NMI_OFFSET 0x3000 321 #define IP27_NMI_SIZE 0x100 322 #define IP27_NMI_COUNT 4 323 #define IP27_NMI_STRIDE 0x40 324 325 #define IP27_PI_ERROR_OFFSET 0x20000 326 #define IP27_PI_ERROR_SIZE 0x10000 327 #define IP27_PI_ERROR_COUNT 1 328 #define IP27_PI_ERROR_STRIDE 0 329 330 #define IP27_SYMMON_STK_OFFSET 0x4c000 331 #define IP27_SYMMON_STK_SIZE 0x20000 332 #define IP27_SYMMON_STK_COUNT 4 333 /* IP27_SYMMON_STK_STRIDE must be >= SYMMON_STACK_SIZE */ 334 #define IP27_SYMMON_STK_STRIDE 0x8000 335 336 #define IP27_FREEMEM_OFFSET 0x40000 337 #define IP27_FREEMEM_SIZE (-1) 338 #define IP27_FREEMEM_COUNT 1 339 #define IP27_FREEMEM_STRIDE 0 340 341 #endif /* PROM || SABLE*/ 342 /* 343 * There will be only one of these in a partition so the IO7 must set it up. 344 */ 345 #define IO6_GDA_OFFSET 0xb000 346 #define IO6_GDA_SIZE 0x400 347 #define IO6_GDA_COUNT 1 348 #define IO6_GDA_STRIDE 0 349 350 /* 351 * save area of kernel nmi regs in the prom format 352 */ 353 #define IP27_NMI_KREGS_OFFSET 0x9000 354 #define IP27_NMI_KREGS_CPU_SIZE 0x400 355 /* 356 * save area of kernel nmi regs in eframe format 357 */ 358 #define IP27_NMI_EFRAME_OFFSET 0xa000 359 #define IP27_NMI_EFRAME_SIZE 0x400 360 361 #define GPDA_OFFSET 0x11c00 362 363 #endif /* _ASM_IA64_SN_KLDIR_H */ 364