1 /* $NetBSD: dec_prom.h,v 1.24 2016/06/11 06:38:18 dholland Exp $ */ 2 3 /* 4 * Copyright (c) 1992, 1993 5 * The Regents of the University of California. All rights reserved. 6 * 7 * This code is derived from software contributed to Berkeley by 8 * Ralph Campbell. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. Neither the name of the University nor the names of its contributors 19 * may be used to endorse or promote products derived from this software 20 * without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND 23 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 24 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE 25 * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE 26 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL 27 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS 28 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 29 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT 30 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY 31 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF 32 * SUCH DAMAGE. 33 * 34 * @(#)dec_prom.h 8.1 (Berkeley) 6/10/93 35 * 36 * machMon.h -- 37 * 38 * Structures, constants and defines for access to the pmax prom. 39 * 40 * Copyright (C) 1989 Digital Equipment Corporation. 41 * Permission to use, copy, modify, and distribute this software and 42 * its documentation for any purpose and without fee is hereby granted, 43 * provided that the above copyright notice appears in all copies. 44 * Digital Equipment Corporation makes no representations about the 45 * suitability of this software for any purpose. It is provided "as is" 46 * without express or implied warranty. 47 * 48 * from: Header: /sprite/src/kernel/mach/ds3100.md/RCS/machMon.h, 49 * v 9.3 90/02/20 14:34:07 shirriff Exp SPRITE (Berkeley) 50 */ 51 52 #ifndef _PMAX_DEC_PROM_H_ 53 #define _PMAX_DEC_PROM_H_ 54 55 /* 56 * This file was created based on information from the document 57 * "TURBOchannel Firmware Specification" (EK-TCAAD-FS-003) 58 * by Digital Equipment Corporation. 59 */ 60 61 #ifndef _LOCORE 62 #include <sys/types.h> 63 #include <sys/cdefs.h> 64 #include <machine/int_types.h> 65 66 /* 67 * Programs loaded by the new PROMs pass the following arguments: 68 * a0 argc 69 * a1 argv 70 * a2 DEC_PROM_MAGIC 71 * a3 The callback vector defined below 72 */ 73 74 #define DEC_PROM_MAGIC 0x30464354 75 76 typedef struct memmap { 77 int pagesize; /* system page size */ 78 u_char bitmap[15360]; /* bit for each page indicating safe to use */ 79 } memmap; 80 81 typedef struct { 82 int revision; /* hardware revision level */ 83 int clk_period; /* clock period in nano seconds */ 84 int slot_size; /* slot size in magabytes */ 85 int io_timeout; /* I/O timeout in cycles */ 86 int dma_range; /* DMA address range in megabytes */ 87 int max_dma_burst; /* maximum DMA burst length */ 88 int parity; /* true if system module supports T.C. parity */ 89 int reserved[4]; 90 } tcinfo; 91 92 typedef int jmp_buf[12]; 93 typedef void (*psig_t)(int); 94 95 struct callback { 96 void *(*_memcpy)(void *, void *, int); /* 00 */ 97 void *(*_memset)(void *, int, int); /* 04 */ 98 char *(*_strcat)(char *, char *); /* 08 */ 99 int (*_strcmp)(char *, char *); /* 0c */ 100 char *(*_strcpy)(char *, char *); /* 10 */ 101 int (*_strlen)(char *); /* 14 */ 102 char *(*_strncat)(char *, char *, int); /* 18 */ 103 char *(*_strncpy)(char *, char *, int); /* 1c */ 104 int (*_strncmp)(char *, char *, int); /* 20 */ 105 int (*_getchar)(void); /* 24 */ 106 char *(*_unsafe_gets)(char *); /* 28 */ 107 int (*_puts)(char *); /* 2c */ 108 int (*_printf)(const char *, ...); /* 30 */ 109 int (*_sprintf)(char *, char *, ...); /* 34 */ 110 int (*_io_poll)(void); /* 38 */ 111 long (*_strtol)(char *, char **, int); /* 3c */ 112 psig_t (*_signal)(int, psig_t); /* 40 */ 113 int (*_raise)(int); /* 44 */ 114 long (*_time)(long *); /* 48 */ 115 int (*_setjmp)(jmp_buf); /* 4c */ 116 void (*_longjmp)(jmp_buf, int); /* 50 */ 117 int (*_bootinit)(char *); /* 54 */ 118 int (*_bootread)(int, void *, int); /* 58 */ 119 int (*_bootwrite)(int, void *, int); /* 5c */ 120 int (*_setenv)(char *, char *); /* 60 */ 121 char *(*_getenv)(const char *); /* 64 */ 122 int (*_unsetenv)(char *); /* 68 */ 123 u_long (*_slot_address)(int); /* 6c */ 124 void (*_wbflush)(void); /* 70 */ 125 void (*_msdelay)(int); /* 74 */ 126 void (*_leds)(int); /* 78 */ 127 void (*_clear_cache)(char *, int); /* 7c */ 128 int (*_getsysid)(void); /* 80 */ 129 int (*_getbitmap)(memmap *); /* 84 */ 130 int (*_disableintr)(int); /* 88 */ 131 int (*_enableintr)(int); /* 8c */ 132 int (*_testintr)(int); /* 90 */ 133 void *_reserved_data; /* 94 */ 134 int (*_console_init)(void); /* 98 */ 135 void (*_halt)(int *, int); /* 9c */ 136 void (*_showfault)(void); /* a0 */ 137 tcinfo *(*_gettcinfo)(void); /* XXX bogus proto */ /* a4 */ 138 int (*_execute_cmd)(char *); /* a8 */ 139 void (*_rex)(char); /* ac */ 140 /* b0 to d4 reserved */ 141 }; 142 143 extern const struct callback *callv; 144 #ifdef _LP64 145 extern struct callback callvec; 146 #else 147 extern const struct callback callvec; 148 #endif 149 150 #ifdef _KERNEL 151 intptr_t promcall(void *, ...); 152 #endif 153 154 #if defined(_STANDALONE) && !defined(_NO_PROM_DEFINES) 155 #define memcpy (*callv -> _memcpy) 156 #define memset (*callv -> _memset) 157 #define strcat (*callv -> _strcat) 158 #define strcmp (*callv -> _strcmp) 159 #define strcpy (*callv -> _strcpy) 160 #define strlen (*callv -> _strlen) 161 #define strncat (*callv -> _strncat) 162 #define strncpy (*callv -> _strncpy) 163 #define strncmp (*callv -> _strncmp) 164 #define getchar (*callv -> _getchar) 165 #define unsafe_gets (*callv -> _unsafe_gets) 166 #define puts (*callv -> _puts) 167 #define printf (*callv -> _printf) 168 #define sprintf (*callv -> _sprintf) 169 #define io_poll (*callv -> _io_poll) 170 #define strtol (*callv -> _strtol) 171 #define raise (*callv -> _raise) 172 #define time (*callv -> _time) 173 #define setjmp (*callv -> _setjmp) 174 #define longjmp (*callv -> _longjmp) 175 #define bootinit (*callv -> _bootinit) 176 #define bootread (*callv -> _bootread) 177 #define bootwrite (*callv -> _bootwrite) 178 #define setenv (*callv -> _setenv) 179 #define getenv (*callv -> _getenv) 180 #define unsetenv (*callv -> _unsetenv) 181 #define wbflush (*callv -> _wbflush) 182 #define msdelay (*callv -> _msdelay) 183 #define leds (*callv -> _leds) 184 #define clear_cache (*callv -> _clear_cache) 185 #define getsysid (*callv -> _getsysid) 186 #define getbitmap (*callv -> _getbitmap) 187 #define disableintr (*callv -> _disableintr) 188 #define enableintr (*callv -> _enableintr) 189 #define testintr (*callv -> _testintr) 190 #define console_init (*callv -> _console_init) 191 #define halt (*callv -> _halt) 192 #define showfault (*callv -> _showfault) 193 #define gettcinfo (*callv -> _gettcinfo) 194 #define execute_cmd (*callv -> _execute_cmd) 195 #define rex (*callv -> _rex) 196 197 #define bzero(dst, len) memset(dst, 0, len) 198 /* XXX make sure that no calls to bcopy overlap! */ 199 #define bcopy(src, dst, len) memcpy(dst, src, len) 200 #endif 201 202 /* 203 * The prom routines use the following structure to hold strings. 204 */ 205 typedef struct { 206 char *argPtr[16]; /* Pointers to the strings. */ 207 char strings[256]; /* Buffer for the strings. */ 208 char *end; /* Pointer to end of used buf. */ 209 int num; /* Number of strings used. */ 210 } MachStringTable; 211 212 #endif /* _LOCORE */ 213 214 /* 215 * The prom has a jump table at the beginning of it to get to its 216 * functions. 217 */ 218 #define DEC_PROM_JUMP_TABLE_ADDR 0xBFC00000 219 220 /* 221 * Each entry in the jump table is 8 bytes - 4 for the jump and 4 for a nop. 222 */ 223 #define DEC_PROM_FUNC_ADDR(funcNum) (DEC_PROM_JUMP_TABLE_ADDR+((funcNum)*8)) 224 225 /* 226 * The functions: 227 * 228 * DEC_PROM_RESET Run diags, check bootmode, reinit. 229 * DEC_PROM_EXEC Load new program image. 230 * DEC_PROM_RESTART Re-enter monitor command loop. 231 * DEC_PROM_REINIT Re-init monitor, then cmd loop. 232 * DEC_PROM_REBOOT Check bootmode, no config. 233 * DEC_PROM_AUTOBOOT Autoboot the system. 234 * 235 * The following routines access PROM saio routines and may be used by 236 * standalone programs that would like to use PROM I/O: 237 * 238 * DEC_PROM_OPEN Open a file. 239 * DEC_PROM_READ Read from a file. 240 * DEC_PROM_WRITE Write to a file. 241 * DEC_PROM_IOCTL Iocontrol on a file. 242 * DEC_PROM_CLOSE Close a file. 243 * DEC_PROM_LSEEK Seek on a file. 244 * DEC_PROM_GETCHAR Get character from console. 245 * DEC_PROM_PUTCHAR Put character on console. 246 * DEC_PROM_SHOWCHAR Show a char visibly. 247 * DEC_PROM_GETS gets with editing. 248 * DEC_PROM_PUTS Put string to console. 249 * DEC_PROM_PRINTF Kernel style printf to console. 250 * 251 * PROM protocol entry points: 252 * 253 * DEC_PROM_INITPROTO Initialize protocol. 254 * DEC_PROM_PROTOENABLE Enable protocol mode. 255 * DEC_PROM_PROTODISABLE Disable protocol mode. 256 * DEC_PROM_GETPKT Get protocol packet. 257 * DEC_PROM_PUTPKT Put protocol packet. 258 * 259 * The following are other prom routines: 260 * DEC_PROM_FLUSHCACHE Flush entire cache (). 261 * DEC_PROM_CLEARCACHE Clear I & D cache in range (addr, len). 262 * DEC_PROM_SAVEREGS Save registers in a buffer. 263 * DEC_PROM_LOADREGS Get register back from buffer. 264 * DEC_PROM_JUMPS8 Jump to address in s8. 265 * DEC_PROM_GETENV2 Gets a string from system environment. 266 * DEC_PROM_SETENV2 Sets a string in system environment. 267 * DEC_PROM_ATONUM Converts ascii string to number. 268 * DEC_PROM_STRCMP Compares strings (strcmp). 269 * DEC_PROM_STRLEN Length of string (strlen). 270 * DEC_PROM_STRCPY Copies string (strcpy). 271 * DEC_PROM_STRCAT Appends string (strcat). 272 * DEC_PROM_GETCMD Gets a command. 273 * DEC_PROM_GETNUMS Gets numbers. 274 * DEC_PROM_ARGPARSE Parses string to argc,argv. 275 * DEC_PROM_HELP Help on prom commands. 276 * DEC_PROM_DUMP Dumps memory. 277 * DEC_PROM_SETENV Sets a string in system environment. 278 * DEC_PROM_UNSETENV Unsets a string in system environment 279 * DEC_PROM_PRINTENV Prints system environment 280 * DEC_PROM_JUMP2S8 Jumps to s8 281 * DEC_PROM_ENABLE Performs prom enable command. 282 * DEC_PROM_DISABLE Performs prom disable command. 283 * DEC_PROM_ZEROB Zeros a system buffer. 284 * DEC_PROM_HALT Handler for halt interrupt. 285 * DEC_PROM_STARTCVAX 58xx VAX Diagnostic Supervisor support. 286 */ 287 #define DEC_PROM_RESET DEC_PROM_FUNC_ADDR(0) 288 #define DEC_PROM_EXEC DEC_PROM_FUNC_ADDR(1) 289 #define DEC_PROM_RESTART DEC_PROM_FUNC_ADDR(2) 290 #define DEC_PROM_REINIT DEC_PROM_FUNC_ADDR(3) 291 #define DEC_PROM_REBOOT DEC_PROM_FUNC_ADDR(4) 292 #define DEC_PROM_AUTOBOOT DEC_PROM_FUNC_ADDR(5) 293 #define DEC_PROM_OPEN DEC_PROM_FUNC_ADDR(6) 294 #define DEC_PROM_READ DEC_PROM_FUNC_ADDR(7) 295 #define DEC_PROM_WRITE DEC_PROM_FUNC_ADDR(8) 296 #define DEC_PROM_IOCTL DEC_PROM_FUNC_ADDR(9) 297 #define DEC_PROM_CLOSE DEC_PROM_FUNC_ADDR(10) 298 #define DEC_PROM_LSEEK DEC_PROM_FUNC_ADDR(11) 299 #define DEC_PROM_GETCHAR DEC_PROM_FUNC_ADDR(12) 300 #define DEC_PROM_PUTCHAR DEC_PROM_FUNC_ADDR(13) 301 #define DEC_PROM_SHOWCHAR DEC_PROM_FUNC_ADDR(14) 302 #define DEC_PROM_GETS DEC_PROM_FUNC_ADDR(15) 303 #define DEC_PROM_PUTS DEC_PROM_FUNC_ADDR(16) 304 #define DEC_PROM_PRINTF DEC_PROM_FUNC_ADDR(17) 305 #define DEC_PROM_INITPROTO DEC_PROM_FUNC_ADDR(18) 306 #define DEC_PROM_PROTOENABLE DEC_PROM_FUNC_ADDR(19) 307 #define DEC_PROM_PROTODISABLE DEC_PROM_FUNC_ADDR(20) 308 #define DEC_PROM_GETPKT DEC_PROM_FUNC_ADDR(21) 309 #define DEC_PROM_PUTPKT DEC_PROM_FUNC_ADDR(22) 310 #define DEC_PROM_FLUSHCACHE DEC_PROM_FUNC_ADDR(28) 311 #define DEC_PROM_CLEARCACHE DEC_PROM_FUNC_ADDR(29) 312 #define DEC_PROM_SAVEREGS DEC_PROM_FUNC_ADDR(30) 313 #define DEC_PROM_LOADREGS DEC_PROM_FUNC_ADDR(31) 314 #define DEC_PROM_JUMPS8 DEC_PROM_FUNC_ADDR(32) 315 #define DEC_PROM_GETENV2 DEC_PROM_FUNC_ADDR(33) 316 #define DEC_PROM_SETENV2 DEC_PROM_FUNC_ADDR(34) 317 #define DEC_PROM_ATONUM DEC_PROM_FUNC_ADDR(35) 318 #define DEC_PROM_STRCMP DEC_PROM_FUNC_ADDR(36) 319 #define DEC_PROM_STRLEN DEC_PROM_FUNC_ADDR(37) 320 #define DEC_PROM_STRCPY DEC_PROM_FUNC_ADDR(38) 321 #define DEC_PROM_STRCAT DEC_PROM_FUNC_ADDR(39) 322 #define DEC_PROM_GETCMD DEC_PROM_FUNC_ADDR(40) 323 #define DEC_PROM_GETNUMS DEC_PROM_FUNC_ADDR(41) 324 #define DEC_PROM_ARGPARSE DEC_PROM_FUNC_ADDR(42) 325 #define DEC_PROM_HELP DEC_PROM_FUNC_ADDR(43) 326 #define DEC_PROM_DUMP DEC_PROM_FUNC_ADDR(44) 327 #define DEC_PROM_SETENV DEC_PROM_FUNC_ADDR(45) 328 #define DEC_PROM_UNSETENV DEC_PROM_FUNC_ADDR(46) 329 #define DEC_PROM_PRINTENV DEC_PROM_FUNC_ADDR(47) 330 #define DEC_PROM_JUMP2S8 DEC_PROM_FUNC_ADDR(48) 331 #define DEC_PROM_ENABLE DEC_PROM_FUNC_ADDR(49) 332 #define DEC_PROM_DISABLE DEC_PROM_FUNC_ADDR(50) 333 #define DEC_PROM_ZEROB DEC_PROM_FUNC_ADDR(51) 334 #define DEC_PROM_HALT DEC_PROM_FUNC_ADDR(54) 335 #define DEC_PROM_STARTCVAX DEC_PROM_FUNC_ADDR(97) 336 337 /* 338 * The nonvolatile ram has a flag to indicate it is usable. 339 */ 340 #define MACH_USE_NON_VOLATILE ((char *)0xbd0000c0) 341 #define MACH_NON_VOLATILE_FLAG 0x02 342 343 #define DEC_REX_MAGIC 0x30464354 /* REX Magic number */ 344 345 #endif /* !_PMAX_DEC_PROM_H_ */ 346