diff options
author | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
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committer | Theo de Raadt <deraadt@cvs.openbsd.org> | 1995-10-18 08:53:40 +0000 |
commit | d6583bb2a13f329cf0332ef2570eb8bb8fc0e39c (patch) | |
tree | ece253b876159b39c620e62b6c9b1174642e070e /sys/arch/sparc/include/oldmon.h |
initial import of NetBSD tree
Diffstat (limited to 'sys/arch/sparc/include/oldmon.h')
-rw-r--r-- | sys/arch/sparc/include/oldmon.h | 298 |
1 files changed, 298 insertions, 0 deletions
diff --git a/sys/arch/sparc/include/oldmon.h b/sys/arch/sparc/include/oldmon.h new file mode 100644 index 00000000000..b7b176f1bc9 --- /dev/null +++ b/sys/arch/sparc/include/oldmon.h @@ -0,0 +1,298 @@ +/* $NetBSD: oldmon.h,v 1.5 1995/09/03 21:36:06 pk Exp $ */ + +/* + * Copyright (C) 1985 Regents of the University of California + * Copyright (c) 1993 Adam Glass + * All rights reserved. + * + * Redistribution and use in source and binary forms, with or without + * modification, are permitted provided that the following conditions + * are met: + * 1. Redistributions of source code must retain the above copyright + * notice, this list of conditions and the following disclaimer. + * 2. Redistributions in binary form must reproduce the above copyright + * notice, this list of conditions and the following disclaimer in the + * documentation and/or other materials provided with the distribution. + * 3. All advertising materials mentioning features or use of this software + * must display the following acknowledgement: + * This product includes software developed by Adam Glass. + * 4. The name of the Author may not be used to endorse or promote products + * derived from this software without specific prior written permission. + * + * THIS SOFTWARE IS PROVIDED BY Adam Glass ``AS IS'' AND + * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE + * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE + * ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE + * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL + * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS + * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) + * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT + * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY + * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF + * SUCH DAMAGE. + * + * from: Sprite /cdrom/src/kernel/Cvsroot/kernel/mach/sun3.md/machMon.h,v + * 9.1 90/10/03 13:52:34 mgbaker Exp SPRITE (Berkeley) + */ +#ifndef _MACHINE_OLDMON_H +#define _MACHINE_OLDMON_H + +/* + * Structures, constants and defines for access to the sun monitor. + * These are translated from the sun monitor header file "sunromvec.h". + * + * The memory addresses for the PROM, and the EEPROM. + * On the sun2 these addresses are actually 0x00EF??00 + * but only the bottom 24 bits are looked at so these still + * work ok. + */ +#define PROM_BASE 0xffe81000 + +enum maptypes { /* Page map entry types. */ + MAP_MAINMEM, + MAP_OBIO, + MAP_MBMEM, + MAP_MBIO, + MAP_VME16A16D, + MAP_VME16A32D, + MAP_VME24A16D, + MAP_VME24A32D, + MAP_VME32A16D, + MAP_VME32A32D +}; +/* + * This table gives information about the resources needed by a device. + */ +struct devinfo { + unsigned int d_devbytes; /* Bytes occupied by device in IO space.*/ + unsigned int d_dmabytes; /* Bytes needed by device in DMA memory.*/ + unsigned int d_localbytes;/* Bytes needed by device for local info.*/ + unsigned int d_stdcount; /* How many standard addresses. */ + unsigned long *d_stdaddrs; /* The vector of standard addresses. */ + enum maptypes d_devtype; /* What map space device is in. */ + unsigned int d_maxiobytes;/* Size to break big I/O's into. */ +}; + +/* + * The table entry that describes a device. It exists in the PROM; a + * pointer to it is passed in MachMonBootParam. It can be used to locate + * PROM subroutines for opening, reading, and writing the device. + * + * When using this interface, only one device can be open at once. + * + * NOTE: I am not sure what arguments boot, open, close, and strategy take. + * What is here is just translated verbatim from the sun monitor code. We + * should figure this out eventually if we need it. + */ +struct om_boottable { + char b_devname[2]; /* The name of the device */ + int (*b_probe)(); /* probe() --> -1 or found controller + number */ + int (*b_boot)(); /* boot(bp) --> -1 or start address */ + int (*b_open)(); /* open(iobp) --> -1 or 0 */ + int (*b_close)(); /* close(iobp) --> -1 or 0 */ + int (*b_strategy)(); /* strategy(iobp,rw) --> -1 or 0 */ + char *b_desc; /* Printable string describing dev */ + struct devinfo *b_devinfo; /* info to configure device. */ +}; + +/* + * Structure set up by the boot command to pass arguments to the program that + * is booted. + */ +struct om_bootparam { + char *argPtr[8]; /* String arguments */ + char strings[100]; /* String table for string arguments */ + char devName[2]; /* Device name */ + int ctlrNum; /* Controller number */ + int unitNum; /* Unit number */ + int partNum; /* Partition/file number */ + char *fileName; /* File name, points into strings */ + struct om_boottable *bootTable; /* Points to table entry for device */ +}; + +/* + * Here is the structure of the vector table which is at the front of the boot + * rom. The functions defined in here are explained below. + * + * NOTE: This struct has references to the structures keybuf and globram which + * I have not translated. If anyone needs to use these they should + * translate these structs into Sprite format. + */ +struct om_vector { + char *initSp; /* Initial system stack ptr for hardware */ + int (*startMon)(); /* Initial PC for hardware */ + int *diagberr; /* Bus err handler for diags */ + + /* Monitor and hardware revision and identification */ + struct om_bootparam **bootParam; /* Info for bootstrapped pgm */ + u_long *memorySize; /* Usable memory in bytes */ + + /* Single-character input and output */ + int (*getChar)(void); /* Get char from input source */ + void (*putChar)(int); /* Put char to output sink */ + int (*mayGet)(void); /* Maybe get char, or -1 */ + int (*mayPut)(int); /* Maybe put char, or -1 */ + u_char *echo; /* Should getchar echo? */ + u_char *inSource; /* Input source selector */ + u_char *outSink; /* Output sink selector */ +#define PROMDEV_KBD 0 /* input from keyboard */ +#define PROMDEV_SCREEN 0 /* output to screen */ +#define PROMDEV_TTYA 1 /* in/out to ttya */ +#define PROMDEV_TTYB 2 /* in/out to ttyb */ + + /* Keyboard input (scanned by monitor nmi routine) */ + int (*getKey)(); /* Get next key if one exists */ + int (*initGetKey)(); /* Initialize get key */ + u_int *translation; /* Kbd translation selector */ + u_char *keyBid; /* Keyboard ID byte */ + int *screen_x; /* V2: Screen x pos (R/O) */ + int *screen_y; /* V2: Screen y pos (R/O) */ + struct keybuf *keyBuf; /* Up/down keycode buffer */ + + /* Monitor revision level. */ + char *monId; + + /* Frame buffer output and terminal emulation */ + int (*fbWriteChar)(); /* Write a character to FB */ + int *fbAddr; /* Address of frame buffer */ + char **font; /* Font table for FB */ + void (*fbWriteStr)(char *, int); /* Quickly write string to FB */ + + /* Reboot interface routine -- resets and reboots system. */ + void (*reBoot)(char *); /* e.g. reBoot("xy()vmunix") */ + + /* Line input and parsing */ + u_char *lineBuf; /* The line input buffer */ + u_char **linePtr; /* Cur pointer into linebuf */ + int *lineSize; /* length of line in linebuf */ + int (*getLine)(); /* Get line from user */ + u_char (*getNextChar)(); /* Get next char from linebuf */ + u_char (*peekNextChar)(); /* Peek at next char */ + int *fbThere; /* =1 if frame buffer there */ + int (*getNum)(); /* Grab hex num from line */ + + /* Print formatted output to current output sink */ + int (*printf)(); /* Similar to "Kernel printf" */ + int (*printHex)(); /* Format N digits in hex */ + + /* Led stuff */ + u_char *leds; /* RAM copy of LED register */ + int (*setLeds)(); /* Sets LED's and RAM copy */ + + /* Non-maskable interrupt (nmi) information */ + int (*nmiAddr)(); /* Addr for level 7 vector */ + void (*abortEntry)(void); /* Entry for keyboard abort */ + int *nmiClock; /* Counts up in msec */ + + /* Frame buffer type: see <machine/fbio.h> */ + int *fbType; + + /* Assorted other things */ + u_long romvecVersion; /* Version # of Romvec */ + struct globram *globRam; /* monitor global variables */ + caddr_t kbdZscc; /* Addr of keyboard in use */ + + int *keyrInit; /* ms before kbd repeat */ + u_char *keyrTick; /* ms between repetitions */ + u_long *memoryAvail; /* V1: Main mem usable size */ + long *resetAddr; /* where to jump on a reset */ + long *resetMap; /* pgmap entry for resetaddr */ + /* Really struct pgmapent * */ + + __dead void (*exitToMon)(void); /* Exit from user program */ + u_char **memorybitmap; /* V1: &{0 or &bits} */ + void (*setcxsegmap)(); /* Set seg in any context */ + void (**vector_cmd)(); /* V2: Handler for 'v' cmd */ + u_long *ExpectedTrapSig; + u_long *TrapVectorTable; + int dummy1z; + int dummy2z; + int dummy3z; + int dummy4z; +}; + +#define romVectorPtr ((struct om_vector *)PROM_BASE) + +#define mon_printf (romVectorPtr->printf) +#define mon_putchar (romVectorPtr->putChar) +#define mon_may_getchar (romVectorPtr->mayGet) +#define mon_exit_to_mon (romVectorPtr->exitToMon) +#define mon_reboot (romVectorPtr->exitToMon) +#define mon_panic(x) { mon_printf(x); mon_exit_to_mon();} + +#define mon_setcxsegmap(context, va, sme) \ + romVectorPtr->setcxsegmap(context, va, sme) +#define romp (romVectorPtr) + +/* + * OLDMON_STARTVADDR and OLDMON_ENDVADDR denote the range of the damn monitor. + * + * supposedly you can steal pmegs within this range that do not contain + * valid pages. + */ +#define OLDMON_STARTVADDR 0xFFD00000 +#define OLDMON_ENDVADDR 0xFFF00000 + +/* + * These describe the monitor's short segment which it basically uses to map + * one stupid page that it uses for storage. MONSHORTPAGE is the page, + * and MONSHORTSEG is the segment that it is in. If this sounds dumb to + * you, it is. I can change the pmeg, but not the virtual address. + * Sun defines these with the high nibble set to 0xF. I believe this was + * for the monitor source which accesses this piece of memory with addressing + * limitations or some such crud. I haven't replicated this here, because + * it is confusing, and serves no obvious purpose if you aren't the monitor. + * + */ +#define MONSHORTPAGE 0x0FFFE000 +#define MONSHORTSEG 0x0FFE0000 + +/* + * A "stand alone I/O request". + * This is passed as the main argument to the PROM I/O routines + * in the `om_boottable' structure. + */ +struct saioreq { + char si_flgs; + struct om_boottable *si_boottab;/* Points to boottab entry if any */ + char *si_devdata; /* Device-specific data pointer */ + int si_ctlr; /* Controller number or address */ + int si_unit; /* Unit number within controller */ + long si_boff; /* Partition number within unit */ + long si_cyloff; + long si_offset; + long si_bn; /* Block number to R/W */ + char *si_ma; /* Memory address to R/W */ + int si_cc; /* Character count to R/W */ + struct saif *si_sif; /* net if. pointer (set by b_open) */ + char *si_devaddr; /* Points to mapped in device */ + char *si_dmaaddr; /* Points to allocated DMA space */ +}; +#define SAIO_F_READ 0x01 +#define SAIO_F_WRITE 0x02 +#define SAIO_F_ALLOC 0x04 +#define SAIO_F_FILE 0x08 +#define SAIO_F_EOF 0x10 /* EOF on device */ +#define SAIO_F_AJAR 0x20 /* Descriptor "ajar" (stopped but not closed) */ + + +/* + * Ethernet interface descriptor + * First, set: saiop->si_devaddr, saiop->si_dmaaddr, etc. + * Then: saiop->si_boottab->b_open() will set: + * saiop->si_sif; + * saiop->si_devdata; + * The latter is the first arg to the following functions. + * Note that the buffer must be in DVMA space... + */ +struct saif { + /* transmit packet, returns zero on success. */ + int (*sif_xmit)(void *devdata, char *buf, int len); + /* wait for packet, zero if none arrived */ + int (*sif_poll)(void *devdata, char *buf); + /* reset interface, set addresses, etc. */ + int (*sif_reset)(void *devdata, struct saioreq *sip); + /* Later (sun4 only) proms have more stuff here. */ +}; +#endif /* MACHINE_OLDMON_H */ |