1 /* $NetBSD: oldmon.h,v 1.4 1994/11/20 20:53:16 deraadt Exp $ */ 2 3 /* 4 * Copyright (C) 1985 Regents of the University of California 5 * Copyright (c) 1993 Adam Glass 6 * All rights reserved. 7 * 8 * Redistribution and use in source and binary forms, with or without 9 * modification, are permitted provided that the following conditions 10 * are met: 11 * 1. Redistributions of source code must retain the above copyright 12 * notice, this list of conditions and the following disclaimer. 13 * 2. Redistributions in binary form must reproduce the above copyright 14 * notice, this list of conditions and the following disclaimer in the 15 * documentation and/or other materials provided with the distribution. 16 * 3. All advertising materials mentioning features or use of this software 17 * must display the following acknowledgement: 18 * This product includes software developed by Adam Glass. 19 * 4. The name of the Author may not be used to endorse or promote products 20 * derived from this software without specific prior written permission. 21 * 22 * THIS SOFTWARE IS PROVIDED BY Adam Glass ``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 * from: Sprite /cdrom/src/kernel/Cvsroot/kernel/mach/sun3.md/machMon.h,v 35 * 9.1 90/10/03 13:52:34 mgbaker Exp SPRITE (Berkeley) 36 */ 37 #ifndef _MACHINE_OLDMON_H 38 #define _MACHINE_OLDMON_H 39 40 /* 41 * Structures, constants and defines for access to the sun monitor. 42 * These are translated from the sun monitor header file "sunromvec.h". 43 * 44 * The memory addresses for the PROM, and the EEPROM. 45 * On the sun2 these addresses are actually 0x00EF??00 46 * but only the bottom 24 bits are looked at so these still 47 * work ok. 48 */ 49 #define PROM_BASE 0xffe81000 50 51 /* 52 * The table entry that describes a device. It exists in the PROM; a 53 * pointer to it is passed in MachMonBootParam. It can be used to locate 54 * PROM subroutines for opening, reading, and writing the device. 55 * 56 * When using this interface, only one device can be open at once. 57 * 58 * NOTE: I am not sure what arguments boot, open, close, and strategy take. 59 * What is here is just translated verbatim from the sun monitor code. We 60 * should figure this out eventually if we need it. 61 */ 62 struct om_boottable { 63 char devName[2]; /* The name of the device */ 64 int (*probe)(); /* probe() --> -1 or found controller 65 number */ 66 int (*boot)(); /* boot(bp) --> -1 or start address */ 67 int (*open)(); /* open(iobp) --> -1 or 0 */ 68 int (*close)(); /* close(iobp) --> -1 or 0 */ 69 int (*strategy)(); /* strategy(iobp,rw) --> -1 or 0 */ 70 char *desc; /* Printable string describing dev */ 71 }; 72 73 /* 74 * Structure set up by the boot command to pass arguments to the program that 75 * is booted. 76 */ 77 struct om_bootparam { 78 char *argPtr[8]; /* String arguments */ 79 char strings[100]; /* String table for string arguments */ 80 char devName[2]; /* Device name */ 81 int ctlrNum; /* Controller number */ 82 int unitNum; /* Unit number */ 83 int partNum; /* Partition/file number */ 84 char *fileName; /* File name, points into strings */ 85 struct om_boottable *bootTable; /* Points to table entry for device */ 86 }; 87 88 /* 89 * Here is the structure of the vector table which is at the front of the boot 90 * rom. The functions defined in here are explained below. 91 * 92 * NOTE: This struct has references to the structures keybuf and globram which 93 * I have not translated. If anyone needs to use these they should 94 * translate these structs into Sprite format. 95 */ 96 struct om_vector { 97 char *initSp; /* Initial system stack ptr for hardware */ 98 int (*startMon)(); /* Initial PC for hardware */ 99 int *diagberr; /* Bus err handler for diags */ 100 101 /* Monitor and hardware revision and identification */ 102 struct om_bootparam **bootParam; /* Info for bootstrapped pgm */ 103 u_long *memorySize; /* Usable memory in bytes */ 104 105 /* Single-character input and output */ 106 int (*getChar)(void); /* Get char from input source */ 107 void (*putChar)(int); /* Put char to output sink */ 108 int (*mayGet)(void); /* Maybe get char, or -1 */ 109 int (*mayPut)(int); /* Maybe put char, or -1 */ 110 u_char *echo; /* Should getchar echo? */ 111 u_char *inSource; /* Input source selector */ 112 u_char *outSink; /* Output sink selector */ 113 #define PROMDEV_KBD 0 /* input from keyboard */ 114 #define PROMDEV_SCREEN 0 /* output to screen */ 115 #define PROMDEV_TTYA 1 /* in/out to ttya */ 116 #define PROMDEV_TTYB 2 /* in/out to ttyb */ 117 118 /* Keyboard input (scanned by monitor nmi routine) */ 119 int (*getKey)(); /* Get next key if one exists */ 120 int (*initGetKey)(); /* Initialize get key */ 121 u_int *translation; /* Kbd translation selector */ 122 u_char *keyBid; /* Keyboard ID byte */ 123 int *screen_x; /* V2: Screen x pos (R/O) */ 124 int *screen_y; /* V2: Screen y pos (R/O) */ 125 struct keybuf *keyBuf; /* Up/down keycode buffer */ 126 127 /* Monitor revision level. */ 128 char *monId; 129 130 /* Frame buffer output and terminal emulation */ 131 int (*fbWriteChar)(); /* Write a character to FB */ 132 int *fbAddr; /* Address of frame buffer */ 133 char **font; /* Font table for FB */ 134 void (*fbWriteStr)(char *, int); /* Quickly write string to FB */ 135 136 /* Reboot interface routine -- resets and reboots system. */ 137 void (*reBoot)(char *); /* e.g. reBoot("xy()vmunix") */ 138 139 /* Line input and parsing */ 140 u_char *lineBuf; /* The line input buffer */ 141 u_char **linePtr; /* Cur pointer into linebuf */ 142 int *lineSize; /* length of line in linebuf */ 143 int (*getLine)(); /* Get line from user */ 144 u_char (*getNextChar)(); /* Get next char from linebuf */ 145 u_char (*peekNextChar)(); /* Peek at next char */ 146 int *fbThere; /* =1 if frame buffer there */ 147 int (*getNum)(); /* Grab hex num from line */ 148 149 /* Print formatted output to current output sink */ 150 int (*printf)(); /* Similar to "Kernel printf" */ 151 int (*printHex)(); /* Format N digits in hex */ 152 153 /* Led stuff */ 154 u_char *leds; /* RAM copy of LED register */ 155 int (*setLeds)(); /* Sets LED's and RAM copy */ 156 157 /* Non-maskable interrupt (nmi) information */ 158 int (*nmiAddr)(); /* Addr for level 7 vector */ 159 void (*abortEntry)(void); /* Entry for keyboard abort */ 160 int *nmiClock; /* Counts up in msec */ 161 162 /* Frame buffer type: see <machine/fbio.h> */ 163 int *fbType; 164 165 /* Assorted other things */ 166 u_long romvecVersion; /* Version # of Romvec */ 167 struct globram *globRam; /* monitor global variables */ 168 caddr_t kbdZscc; /* Addr of keyboard in use */ 169 170 int *keyrInit; /* ms before kbd repeat */ 171 u_char *keyrTick; /* ms between repetitions */ 172 u_long *memoryAvail; /* V1: Main mem usable size */ 173 long *resetAddr; /* where to jump on a reset */ 174 long *resetMap; /* pgmap entry for resetaddr */ 175 /* Really struct pgmapent * */ 176 177 __dead void (*exitToMon)(void); /* Exit from user program */ 178 u_char **memorybitmap; /* V1: &{0 or &bits} */ 179 void (*setcxsegmap)(); /* Set seg in any context */ 180 void (**vector_cmd)(); /* V2: Handler for 'v' cmd */ 181 u_long *ExpectedTrapSig; 182 u_long *TrapVectorTable; 183 int dummy1z; 184 int dummy2z; 185 int dummy3z; 186 int dummy4z; 187 }; 188 189 #define romVectorPtr ((struct om_vector *)PROM_BASE) 190 191 #define mon_printf (romVectorPtr->printf) 192 #define mon_putchar (romVectorPtr->putChar) 193 #define mon_may_getchar (romVectorPtr->mayGet) 194 #define mon_exit_to_mon (romVectorPtr->exitToMon) 195 #define mon_reboot (romVectorPtr->exitToMon) 196 #define mon_panic(x) { mon_printf(x); mon_exit_to_mon();} 197 198 #define mon_setcxsegmap(context, va, sme) \ 199 romVectorPtr->setcxsegmap(context, va, sme) 200 #define romp (romVectorPtr) 201 202 /* 203 * OLDMON_STARTVADDR and OLDMON_ENDVADDR denote the range of the damn monitor. 204 * 205 * supposedly you can steal pmegs within this range that do not contain 206 * valid pages. 207 */ 208 #define OLDMON_STARTVADDR 0xFFD00000 209 #define OLDMON_ENDVADDR 0xFFF00000 210 211 /* 212 * These describe the monitor's short segment which it basically uses to map 213 * one stupid page that it uses for storage. MONSHORTPAGE is the page, 214 * and MONSHORTSEG is the segment that it is in. If this sounds dumb to 215 * you, it is. I can change the pmeg, but not the virtual address. 216 * Sun defines these with the high nibble set to 0xF. I believe this was 217 * for the monitor source which accesses this piece of memory with addressing 218 * limitations or some such crud. I haven't replicated this here, because 219 * it is confusing, and serves no obvious purpose if you aren't the monitor. 220 * 221 */ 222 #define MONSHORTPAGE 0x0FFFE000 223 #define MONSHORTSEG 0x0FFE0000 224 225 #endif /* MACHINE_OLDMON_H */ 226