Annotation of sys/arch/sparc/include/oldmon.h, Revision 1.1
1.1 ! nbrk 1: /* $OpenBSD: oldmon.h,v 1.9 2002/03/15 01:20:04 millert Exp $ */
! 2: /* $NetBSD: oldmon.h,v 1.11 1996/03/31 22:21:38 pk Exp $ */
! 3:
! 4: /*
! 5: * Copyright (C) 1985 Regents of the University of California
! 6: * Copyright (c) 1993 Adam Glass
! 7: * All rights reserved.
! 8: *
! 9: * Redistribution and use in source and binary forms, with or without
! 10: * modification, are permitted provided that the following conditions
! 11: * are met:
! 12: * 1. Redistributions of source code must retain the above copyright
! 13: * notice, this list of conditions and the following disclaimer.
! 14: * 2. Redistributions in binary form must reproduce the above copyright
! 15: * notice, this list of conditions and the following disclaimer in the
! 16: * documentation and/or other materials provided with the distribution.
! 17: * 3. All advertising materials mentioning features or use of this software
! 18: * must display the following acknowledgement:
! 19: * This product includes software developed by Adam Glass.
! 20: * 4. The name of the Author may not be used to endorse or promote products
! 21: * derived from this software without specific prior written permission.
! 22: *
! 23: * THIS SOFTWARE IS PROVIDED BY Adam Glass ``AS IS'' AND
! 24: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
! 25: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
! 26: * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
! 27: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
! 28: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
! 29: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
! 30: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
! 31: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
! 32: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
! 33: * SUCH DAMAGE.
! 34: *
! 35: * from: Sprite /cdrom/src/kernel/Cvsroot/kernel/mach/sun3.md/machMon.h,v
! 36: * 9.1 90/10/03 13:52:34 mgbaker Exp SPRITE (Berkeley)
! 37: */
! 38: #ifndef _MACHINE_OLDMON_H
! 39: #define _MACHINE_OLDMON_H
! 40:
! 41: /*
! 42: * Structures, constants and defines for access to the sun monitor.
! 43: * These are translated from the sun monitor header file "sunromvec.h".
! 44: *
! 45: * The memory addresses for the PROM, and the EEPROM.
! 46: * On the sun2 these addresses are actually 0x00EF??00
! 47: * but only the bottom 24 bits are looked at so these still
! 48: * work ok.
! 49: */
! 50: #define PROM_BASE 0xffe81000
! 51:
! 52: enum maptypes { /* Page map entry types. */
! 53: MAP_MAINMEM,
! 54: MAP_OBIO,
! 55: MAP_MBMEM,
! 56: MAP_MBIO,
! 57: MAP_VME16A16D,
! 58: MAP_VME16A32D,
! 59: MAP_VME24A16D,
! 60: MAP_VME24A32D,
! 61: MAP_VME32A16D,
! 62: MAP_VME32A32D
! 63: };
! 64: /*
! 65: * This table gives information about the resources needed by a device.
! 66: */
! 67: struct devinfo {
! 68: unsigned int d_devbytes; /* Bytes occupied by device in IO space.*/
! 69: unsigned int d_dmabytes; /* Bytes needed by device in DMA memory.*/
! 70: unsigned int d_localbytes;/* Bytes needed by device for local info.*/
! 71: unsigned int d_stdcount; /* How many standard addresses. */
! 72: unsigned long *d_stdaddrs; /* The vector of standard addresses. */
! 73: enum maptypes d_devtype; /* What map space device is in. */
! 74: unsigned int d_maxiobytes;/* Size to break big I/O's into. */
! 75: };
! 76:
! 77: /*
! 78: * A "stand alone I/O request".
! 79: * This is passed as the main argument to the PROM I/O routines
! 80: * in the `om_boottable' structure.
! 81: */
! 82: struct saioreq {
! 83: char si_flgs;
! 84: struct om_boottable *si_boottab;/* Points to boottab entry if any */
! 85: char *si_devdata; /* Device-specific data pointer */
! 86: int si_ctlr; /* Controller number or address */
! 87: int si_unit; /* Unit number within controller */
! 88: long si_boff; /* Partition number within unit */
! 89: long si_cyloff;
! 90: long si_offset;
! 91: long si_bn; /* Block number to R/W */
! 92: char *si_ma; /* Memory address to R/W */
! 93: int si_cc; /* Character count to R/W */
! 94: struct saif *si_sif; /* net if. pointer (set by b_open) */
! 95: char *si_devaddr; /* Points to mapped in device */
! 96: char *si_dmaaddr; /* Points to allocated DMA space */
! 97: };
! 98: #define SAIO_F_READ 0x01
! 99: #define SAIO_F_WRITE 0x02
! 100: #define SAIO_F_ALLOC 0x04
! 101: #define SAIO_F_FILE 0x08
! 102: #define SAIO_F_EOF 0x10 /* EOF on device */
! 103: #define SAIO_F_AJAR 0x20 /* Descriptor "ajar" (stopped but not closed) */
! 104:
! 105:
! 106: /*
! 107: * The table entry that describes a device. It exists in the PROM; a
! 108: * pointer to it is passed in MachMonBootParam. It can be used to locate
! 109: * PROM subroutines for opening, reading, and writing the device.
! 110: *
! 111: * When using this interface, only one device can be open at once.
! 112: *
! 113: * NOTE: I am not sure what arguments boot, open, close, and strategy take.
! 114: * What is here is just translated verbatim from the sun monitor code. We
! 115: * should figure this out eventually if we need it.
! 116: */
! 117: struct om_boottable {
! 118: char b_devname[2]; /* The name of the device */
! 119: int (*b_probe)(void); /* probe() --> -1 or found controller
! 120: number */
! 121: int (*b_boot)(void); /* boot(bp) --> -1 or start address */
! 122: int (*b_open)(struct saioreq *);/* open(iobp) --> -1 or 0 */
! 123: int (*b_close)(struct saioreq *);/* close(iobp) --> -1 or 0 */
! 124: int (*b_strategy)(struct saioreq *, int);/* strategy(iobp,rw) --> -1 or 0 */
! 125: char *b_desc; /* Printable string describing dev */
! 126: struct devinfo *b_devinfo; /* info to configure device. */
! 127: };
! 128:
! 129: /*
! 130: * Structure set up by the boot command to pass arguments to the program that
! 131: * is booted.
! 132: */
! 133: struct om_bootparam {
! 134: char *argPtr[8]; /* String arguments */
! 135: char strings[100]; /* String table for string arguments */
! 136: char devName[2]; /* Device name */
! 137: int ctlrNum; /* Controller number */
! 138: int unitNum; /* Unit number */
! 139: int partNum; /* Partition/file number */
! 140: char *fileName; /* File name, points into strings */
! 141: struct om_boottable *bootTable; /* Points to table entry for device */
! 142: };
! 143:
! 144: /*
! 145: * Here is the structure of the vector table which is at the front of the boot
! 146: * rom. The functions defined in here are explained below.
! 147: *
! 148: * NOTE: This struct has references to the structures keybuf and globram which
! 149: * I have not translated. If anyone needs to use these they should
! 150: * translate these structs into Sprite format.
! 151: */
! 152: struct om_vector {
! 153: char *initSp; /* Initial system stack ptr for hardware */
! 154: int (*startMon)(void);/* Initial PC for hardware */
! 155: int *diagberr; /* Bus err handler for diags */
! 156:
! 157: /* Monitor and hardware revision and identification */
! 158: struct om_bootparam **bootParam;/* Info for bootstrapped pgm */
! 159: u_long *memorySize; /* Usable memory in bytes */
! 160:
! 161: /* Single-character input and output */
! 162: int (*getChar)(void); /* Get char from input source */
! 163: void (*putChar)(int); /* Put char to output sink */
! 164: int (*mayGet)(void); /* Maybe get char, or -1 */
! 165: int (*mayPut)(int); /* Maybe put char, or -1 */
! 166: u_char *echo; /* Should getchar echo? */
! 167: u_char *inSource; /* Input source selector */
! 168: u_char *outSink; /* Output sink selector */
! 169: #define PROMDEV_KBD 0 /* input from keyboard */
! 170: #define PROMDEV_SCREEN 0 /* output to screen */
! 171: #define PROMDEV_TTYA 1 /* in/out to ttya */
! 172: #define PROMDEV_TTYB 2 /* in/out to ttyb */
! 173:
! 174: /* Keyboard input (scanned by monitor nmi routine) */
! 175: int (*getKey)(void); /* Get next key if one exists */
! 176: int (*initGetKey)(void); /* Initialize get key */
! 177: u_int *translation; /* Kbd translation selector */
! 178: u_char *keyBid; /* Keyboard ID byte */
! 179: int *screen_x; /* V2: Screen x pos (R/O) */
! 180: int *screen_y; /* V2: Screen y pos (R/O) */
! 181: struct keybuf *keyBuf; /* Up/down keycode buffer */
! 182:
! 183: /* Monitor revision level. */
! 184: char *monId;
! 185:
! 186: /* Frame buffer output and terminal emulation */
! 187: int (*fbWriteChar)(void); /* Write a character to FB */
! 188: int *fbAddr; /* Address of frame buffer */
! 189: char **font; /* Font table for FB */
! 190: void (*fbWriteStr)(char *, int);
! 191: /* Quickly write string to FB */
! 192:
! 193: /* Reboot interface routine -- resets and reboots system. */
! 194: void (*reBoot)(char *); /* e.g. reBoot("xy()vmunix") */
! 195:
! 196: /* Line input and parsing */
! 197: u_char *lineBuf; /* The line input buffer */
! 198: u_char **linePtr; /* Cur pointer into linebuf */
! 199: int *lineSize; /* length of line in linebuf */
! 200: int (*getLine)(void); /* Get line from user */
! 201: u_char (*getNextChar)(void); /* Get next char from linebuf */
! 202: u_char (*peekNextChar)(void); /* Peek at next char */
! 203: int *fbThere; /* =1 if frame buffer there */
! 204: int (*getNum)(void); /* Grab hex num from line */
! 205:
! 206: /* Print formatted output to current output sink */
! 207: int (*printf)(void); /* Similar to "Kernel printf" */
! 208: int (*printHex)(void); /* Format N digits in hex */
! 209:
! 210: /* Led stuff */
! 211: u_char *leds; /* RAM copy of LED register */
! 212: int (*setLeds)(void); /* Sets LED's and RAM copy */
! 213:
! 214: /* Non-maskable interrupt (nmi) information */
! 215: int (*nmiAddr)(void); /* Addr for level 7 vector */
! 216: void (*abortEntry)(void); /* Entry for keyboard abort */
! 217: int *nmiClock; /* Counts up in msec */
! 218:
! 219: /* Frame buffer type: see <machine/fbio.h> */
! 220: int *fbType;
! 221:
! 222: /* Assorted other things */
! 223: u_long romvecVersion; /* Version # of Romvec */
! 224: struct globram *globRam; /* monitor global variables */
! 225: caddr_t kbdZscc; /* Addr of keyboard in use */
! 226:
! 227: int *keyrInit; /* ms before kbd repeat */
! 228: u_char *keyrTick; /* ms between repetitions */
! 229: u_long *memoryAvail; /* V1: Main mem usable size */
! 230: long *resetAddr; /* where to jump on a reset */
! 231: long *resetMap; /* pgmap entry for resetaddr */
! 232: /* Really struct pgmapent * */
! 233:
! 234: /* Exit from user program */
! 235: void (*exitToMon)(void) __attribute__((__noreturn__));
! 236: u_char **memorybitmap; /* V1: &{0 or &bits} */
! 237: /* Set seg in any context */
! 238: void (*setcxsegmap)(int, caddr_t, int);
! 239: void (**vector_cmd)(u_long, char *);/* V2: Handler for 'v' cmd */
! 240: u_long *ExpectedTrapSig;
! 241: u_long *TrapVectorTable;
! 242: int dummy1z;
! 243: int dummy2z;
! 244: int dummy3z;
! 245: int dummy4z;
! 246: };
! 247:
! 248: #define romVectorPtr ((struct om_vector *)PROM_BASE)
! 249:
! 250: #define mon_printf (romVectorPtr->printf)
! 251: #define mon_putchar (romVectorPtr->putChar)
! 252: #define mon_may_getchar (romVectorPtr->mayGet)
! 253: #define mon_exit_to_mon (romVectorPtr->exitToMon)
! 254: #define mon_reboot (romVectorPtr->exitToMon)
! 255: #define mon_panic(x) { mon_printf(x); mon_exit_to_mon();}
! 256:
! 257: #define mon_setcxsegmap(context, va, sme) \
! 258: romVectorPtr->setcxsegmap(context, va, sme)
! 259: #define romp (romVectorPtr)
! 260:
! 261: /*
! 262: * OLDMON_STARTVADDR and OLDMON_ENDVADDR denote the range of the damn monitor.
! 263: *
! 264: * supposedly you can steal pmegs within this range that do not contain
! 265: * valid pages.
! 266: */
! 267: #define OLDMON_STARTVADDR 0xFFD00000
! 268: #define OLDMON_ENDVADDR 0xFFF00000
! 269:
! 270: /*
! 271: * These describe the monitor's short segment which it basically uses to map
! 272: * one stupid page that it uses for storage. MONSHORTPAGE is the page,
! 273: * and MONSHORTSEG is the segment that it is in. If this sounds dumb to
! 274: * you, it is. I can change the pmeg, but not the virtual address.
! 275: * Sun defines these with the high nibble set to 0xF. I believe this was
! 276: * for the monitor source which accesses this piece of memory with addressing
! 277: * limitations or some such crud. I haven't replicated this here, because
! 278: * it is confusing, and serves no obvious purpose if you aren't the monitor.
! 279: *
! 280: */
! 281: #define MONSHORTPAGE 0x0FFFE000
! 282: #define MONSHORTSEG 0x0FFE0000
! 283:
! 284:
! 285:
! 286: /*
! 287: * Ethernet interface descriptor
! 288: * First, set: saiop->si_devaddr, saiop->si_dmaaddr, etc.
! 289: * Then: saiop->si_boottab->b_open() will set:
! 290: * saiop->si_sif;
! 291: * saiop->si_devdata;
! 292: * The latter is the first arg to the following functions.
! 293: * Note that the buffer must be in DVMA space...
! 294: */
! 295: struct saif {
! 296: /* transmit packet, returns zero on success. */
! 297: int (*sif_xmit)(void *devdata, char *buf, int len);
! 298: /* wait for packet, zero if none arrived */
! 299: int (*sif_poll)(void *devdata, char *buf);
! 300: /* reset interface, set addresses, etc. */
! 301: int (*sif_reset)(void *devdata, struct saioreq *sip);
! 302: /* Later (sun4 only) proms have more stuff here. */
! 303: };
! 304:
! 305:
! 306: #if defined(SUN4)
! 307: void oldmon_w_trace(u_long);
! 308: void oldmon_w_cmd(u_long, char *);
! 309: #endif
! 310:
! 311: #endif /* _MACHINE_OLDMON_H */
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