449 lines
14 KiB
C
449 lines
14 KiB
C
/* $NetBSD: mon.h,v 1.1 2001/06/14 12:57:11 fredette Exp $ */
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/*-
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* Copyright (c) 1996 The NetBSD Foundation, Inc.
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* All rights reserved.
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*
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* This code is derived from software contributed to The NetBSD Foundation
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* by Adam Glass.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by the NetBSD
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* Foundation, Inc. and its contributors.
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* 4. Neither the name of The NetBSD Foundation nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
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* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
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* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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* POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* This file derived from kernel/mach/sun3.md/machMon.h from the
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* sprite distribution.
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*
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* In particular, this file came out of the Walnut Creek cdrom collection
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* which contained no warnings about any possible copyright infringement.
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* It was also indentical to a file in the sprite kernel tar file found on
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* allspice.berkeley.edu.
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* It also written in the annoying sprite coding style. I've made
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* efforts not to heavily edit their file, just ifdef parts out. -- glass
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*/
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#ifndef _MACHINE_MON_H
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#define _MACHINE_MON_H
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/*
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* machMon.h --
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*
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* Structures, constants and defines for access to the sun monitor.
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* These are translated from the sun monitor header file "sunromvec.h".
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*
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* NOTE: The file keyboard.h in the monitor directory has all sorts of useful
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* keyboard stuff defined. I haven't attempted to translate that file
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* because I don't need it. If anyone wants to use it, be my guest.
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*
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* Copyright (C) 1985 Regents of the University of California
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* All rights reserved.
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*
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*
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* Header: /sprite/src/kernel/mach/sun3.md/RCS/machMon.h,v 9.1
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* 90/10/03 13:52:34 mgbaker Exp SPRITE (Berkeley)
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*/
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/*
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* Structure set up by the boot command to pass arguments to the program that
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* is booted.
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*/
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struct bootparam {
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char *argPtr[8]; /* String arguments */
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char strings[100]; /* String table for string arguments */
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char devName[2]; /* Device name */
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int ctlrNum; /* Controller number */
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int unitNum; /* Unit number */
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int partNum; /* Partition/file number */
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char *fileName; /* File name, points into strings */
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struct boottab *bootDevice; /* Defined in saio.h */
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} __attribute__((packed));
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/*
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* This structure defines a segment of physical memory. To support
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* sparse physical memory, the PROM constructs a linked list of
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* these at power-on-self-test time.
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*/
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struct physmemory {
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u_int address;
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u_int size;
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struct physmemory *next;
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};
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/*
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* Here is the structure of the vector table found at the front of the boot
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* rom. The functions defined in here are explained below.
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*
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* NOTE: This struct has references to the structures keybuf and globram which
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* I have not translated. If anyone needs to use these they should
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* translate these structs into Sprite format.
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*/
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struct sunromvec {
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char *init_SP; /* Initial SP for hardware */
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char *init_PC; /* Initial PC for hardware */
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int *diagberr; /* Bus err handler for diags */
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/*
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* Monitor and hardware revision and identification
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*/
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struct bootparam **bootParam; /* Info for bootstrapped pgm */
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u_int *memorySize; /* Usable memory in bytes */
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/*
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* Single-character input and output
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*/
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u_char (*getChar)__P((void)); /* Get char from input source */
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int (*putChar)__P((int)); /* Put char to output sink */
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int (*mayGet)__P((void)); /* Maybe get char, or -1 */
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int (*mayPut)__P((int)); /* Maybe put char, or -1 */
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u_char *echo; /* Should getchar echo? */
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u_char *inSource; /* Input source selector */
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u_char *outSink; /* Output sink selector */
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#define PROMDEV_KBD 0 /* input from keyboard */
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#define PROMDEV_SCREEN 0 /* output to screen */
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#define PROMDEV_TTYA 1 /* in/out to ttya */
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#define PROMDEV_TTYB 2 /* in/out to ttyb */
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/*
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* Keyboard input (scanned by monitor nmi routine)
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*/
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int (*getKey)__P((void)); /* Get next key if one exists */
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int (*initGetKey)__P((void*)); /* Initialize get key */
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u_int *translation; /* Kbd translation selector
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(see keyboard.h in sun
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monitor code) */
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u_char *keyBid; /* Keyboard ID byte */
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int *screen_x; /* V2: Screen x pos (R/O) */
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int *screen_y; /* V2: Screen y pos (R/O) */
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struct keybuf *keyBuf; /* Up/down keycode buffer */
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/*
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* Monitor revision level.
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*/
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char *monId;
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/*
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* Frame buffer output and terminal emulation
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*/
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int (*fbWriteChar)__P((int)); /* Write a character to FB */
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int *fbAddr; /* Address of frame buffer */
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char **font; /* Font table for FB */
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/* Quickly write string to FB */
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int (*fbWriteStr)__P((char *buf, int len));
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/*
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* Reboot interface routine -- resets and reboots system. No return.
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*/
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int (*reBoot)__P((char *)); /* e.g. reBoot("xy()vmunix") */
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/*
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* Line input and parsing
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*/
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u_char *lineBuf; /* The line input buffer */
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u_char **linePtr; /* Cur pointer into linebuf */
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int *lineSize; /* length of line in linebuf */
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int (*getLine)__P((int)); /* Get line from user */
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u_char (*getNextChar)__P((void)); /* Get next char from linebuf */
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u_char (*peekNextChar)__P((void)); /* Peek at next char */
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int *fbThere; /* =1 if frame buffer there */
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int (*getNum)__P((void)); /* Grab hex num from line */
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/*
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* Print formatted output to current output sink
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*/
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int (*printf)__P((char *, ...)); /* Like kernel printf */
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int (*printHex)__P((int,int)); /* Format N digits in hex */
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/*
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* Led stuff
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*/
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u_char *leds; /* RAM copy of LED register */
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int (*setLeds)__P((int)); /* Sets LED's and RAM copy */
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/*
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* Non-maskable interrupt (nmi) information
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*/
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int (*nmiAddr)__P((void*)); /* Addr for level 7 vector */
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int (*abortEntry)__P((void*)); /* Entry for keyboard abort */
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int *nmiClock; /* Counts up in msec */
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/*
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* Frame buffer type: see <sun/fbio.h>
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*/
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int *fbType;
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/*
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* Assorted other things
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*/
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u_int romvecVersion; /* Version # of Romvec */
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struct globram *globRam; /* monitor global variables */
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void *kbdZscc; /* Addr of keyboard in use */
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int *keyrInit; /* ms before kbd repeat */
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u_char *keyrTick; /* ms between repetitions */
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u_int *memoryAvail; /* V1: Main mem usable size */
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long *resetAddr; /* where to jump on a reset */
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long *resetMap; /* pgmap entry for resetaddr */
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/* Really struct pgmapent * */
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int (*exitToMon)__P((void)); /* Exit from user program */
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u_char **memorybitmap; /* V1: &{0 or &bits} */
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/****************************************************************
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* Note: from here on, things vary per-architecture!
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****************************************************************/
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union {
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void *un_pad[8]; /* this determines the size */
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struct {
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/* Set seg in all contexts (ctx, va, sme) */
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void (*un3_setcxsegmap)__P((int,int,int));
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/* V2: Handler for 'v' cmd */
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void (**un3_vector_cmd)__P((int, char*));
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} un3;
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struct {
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/* V2: Handler for 'v' cmd */
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void (**un3x_vector_cmd)__P((int, char*));
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/* Address of low memory PTEs (maps at least 4MB) */
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int **un3x_lomemptaddr;
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/*
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* Address of debug/mon PTEs which map the 2MB space
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* starting at MON_KDB_BASE, ending at MONEND.
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*/
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int **un3x_monptaddr;
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/*
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* Address of dvma PTEs. This is a VA that maps the I/O MMU
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* page table, but only the last part, which corresponds to
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* the CPU virtual space at MON_DVMA_BASE (see below).
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*/
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int **un3x_dvmaptaddr;
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/*
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* Physical Address of the debug/mon PTEs found at the
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* virtual address given by *romVectorPtr->monptaddr;
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*/
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int **un3x_monptphysaddr;
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/*
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* Address of shadow copy of DVMA PTEs. This is a VA that
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* maps the PTEs used by the CPU to map the same physical
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* pages as the I/O MMU into the CPU virtual space starting
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* at MON_DVMA_BASE, length MON_DVMA_SIZE (see below).
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*/
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int **un3x_shadowpteaddr;
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/* Ptr to memory list for 3/80 */
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struct physmemory *un3x_physmemory;
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} un3x;
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} mon_un;
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} __attribute__((packed));
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/*
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* Functions defined in the vector:
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*
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*
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* getChar -- Return the next character from the input source
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*
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* u_char getChar()
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*
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* putChar -- Write the given character to the output source.
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*
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* void putChar(ch)
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* char ch;
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*
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* mayGet -- Maybe get a character from the current input source. Return -1
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* if don't return a character.
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*
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* int mayGet()
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*
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* mayPut -- Maybe put a character to the current output source. Return -1
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* if no character output.
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*
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* int mayPut(ch)
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* char ch;
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*
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* getKey -- Returns a key code (if up/down codes being returned),
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* a byte of ASCII (if that's requested),
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* NOKEY (if no key has been hit).
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*
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* int getKey()
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*
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* initGetKey -- Initialize things for get key.
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*
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* void initGetKey()
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*
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* fbWriteChar -- Write a character to the frame buffer
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*
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* void fwritechar(ch)
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* u_char ch;
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*
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* fbWriteStr -- Write a string to the frame buffer.
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*
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* void fwritestr(addr,len)
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* register u_char *addr; / * String to be written * /
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* register short len; / * Length of string * /
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*
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* getLine -- read the next input line into a global buffer
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*
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* getline(echop)
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* int echop; / * 1 if should echo input, 0 if not * /
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*
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* getNextChar -- return the next character from the global line buffer.
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*
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* u_char getNextChar()
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*
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* peekNextChar -- look at the next character in the global line buffer.
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*
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* u_char peekNextChar()
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*
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* getNum -- Grab hex num from the global line buffer.
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*
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* int getNum()
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*
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* printf -- Scaled down version of C library printf. Only %d, %x, %s, and %c
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* are recognized.
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*
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* printhex -- prints rightmost <digs> hex digits of <val>
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*
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* printhex(val,digs)
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* register int val;
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* register int digs;
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*
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* abortEntry -- Entry for keyboard abort.
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*
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* abortEntry()
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*/
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/*
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* Functions and defines to access the monitor.
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*/
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#define mon_printf (romVectorPtr->printf)
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#define mon_putchar (romVectorPtr->putChar)
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#define mon_may_getchar (romVectorPtr->mayGet)
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#define mon_exit_to_mon (romVectorPtr->exitToMon)
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#define mon_reboot (romVectorPtr->reBoot)
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/*
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* Sun2 specific stuff...
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*/
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/*
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* MONSTART and MONEND denote the range used by the monitor.
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* PROM_BASE is the virtual address of the PROM.
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*/
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#define SUN2_MONSTART 0x00E00000
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#define SUN2_PROM_BASE 0x00EF0000
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#define SUN2_MONEND 0x00F00000
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/*
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* Sun3 specific stuff...
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*/
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#ifdef _SUN3_
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#define setcxsegmap mon_un.un3.un3_setcxsegmap
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#define vector_cmd mon_un.un3.un3_vector_cmd
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#define romVectorPtr ((struct sunromvec *) SUN3_PROM_BASE)
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#endif /* SUN3 */
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/*
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* MONSTART and MONEND denote the range used by the monitor.
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* PROM_BASE is the virtual address of the PROM.
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*/
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#define SUN3_MONSTART 0x0FE00000
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#define SUN3_PROM_BASE 0x0FEF0000
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#define SUN3_MONEND 0x0FF00000
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/*
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* These describe the monitor's short segment (one it can reach using
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* short PC-relative addressing) which it uses to map its data page.
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* MONSHORTPAGE is the page; MONSHORTSEG is the containing segment.
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* Its mapping must not be removed or the PROM monitor will fail.
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* MONSHORTPAGE is also where the "ie" puts its SCP.
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*/
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#define SUN3_MONSHORTPAGE 0x0FFFE000
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#define SUN3_MONSHORTSEG 0x0FFE0000
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/*
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* Sun3X specific stuff...
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*/
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#ifdef _SUN3X_
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#define vector_cmd mon_un.un3x.un3x_vector_cmd
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#define lomemptaddr mon_un.un3x.un3x_lomemptaddr
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#define monptaddr mon_un.un3x.un3x_monptaddr
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#define dvmaptaddr mon_un.un3x.un3x_dvmaptaddr
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#define monptphysaddr mon_un.un3x.un3x_monptphysaddr
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#define shadowpteaddr mon_un.un3x.un3x_shadowpteaddr
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#define v_physmemory mon_un.un3x.un3x_physmemory
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#define romVectorPtr ((struct sunromvec *) SUN3X_PROM_BASE)
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#endif /* SUN3X */
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/*
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* We don't have a separate kernel debugger like sun kadb,
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* but this range is setup by the monitor for such a thing.
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* We might as well preserve the mappings anyway.
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*/
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#define SUN3X_MON_KDB_BASE 0xFEE00000
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#define SUN3X_MON_KDB_SIZE 0x100000
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/*
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* MONSTART and MONEND define the range used by the monitor.
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* MONDATA is its data page (do not touch!)
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* PROM_BASE is where the boot PROM lives.
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*/
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#define SUN3X_MONSTART 0xFEF00000
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#define SUN3X_MONDATA 0xFEF72000
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#define SUN3X_PROM_BASE 0xFEFE0000
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#define SUN3X_MONEND 0xFF000000
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/*
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* These define the CPU virtual address range mapped by the
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* PROM for use as DVMA space. The physical pages mapped in
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* this range are also mapped by the I/O MMU. Note that the
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* last page is reserved for the PROM (really for the "ie").
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*/
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#define SUN3X_MON_DVMA_BASE 0xFFF00000
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#define SUN3X_MON_DVMA_SIZE 0x100000 /* 1MB */
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#ifdef _STANDALONE
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/* The libsa code uses a pointer... */
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extern struct sunromvec *_romvec;
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#undef romVectorPtr
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#define romVectorPtr _romvec
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#endif /* _STANDALONE */
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#endif /* _MACHINE_MON_H */
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