NetBSD/sys/arch/sun3/include/mon.h

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/* $NetBSD: mon.h,v 1.22 1997/02/05 14:51:23 gwr Exp $ */
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/*-
* Copyright (c) 1996 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by Adam Glass.
*
* 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 the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION 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.
*/
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/*
* This file derived from kernel/mach/sun3.md/machMon.h from the
* sprite distribution.
*
* In particular, this file came out of the Walnut Creek cdrom collection
* which contained no warnings about any possible copyright infringement.
* It was also indentical to a file in the sprite kernel tar file found on
* allspice.berkeley.edu.
* It also written in the annoying sprite coding style. I've made
* efforts not to heavily edit their file, just ifdef parts out. -- glass
*/
#ifndef _MACHINE_MON_H
#define _MACHINE_MON_H
/*
* machMon.h --
*
* Structures, constants and defines for access to the sun monitor.
* These are translated from the sun monitor header file "sunromvec.h".
*
* NOTE: The file keyboard.h in the monitor directory has all sorts of useful
* keyboard stuff defined. I haven't attempted to translate that file
* because I don't need it. If anyone wants to use it, be my guest.
*
* Copyright (C) 1985 Regents of the University of California
* All rights reserved.
*
*
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* Header: /cdrom/src/kernel/Cvsroot/kernel/mach/sun3.md/machMon.h,v 9.1
* 90/10/03 13:52:34 mgbaker Exp SPRITE (Berkeley)
*/
#ifndef _MACHMON
#define _MACHMON
/*
* Structure set up by the boot command to pass arguments to the program that
* is booted.
*/
typedef struct 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 */
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struct boottab *bootDevice; /* Defined in saio.h */
} MachMonBootParam;
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#ifdef sun3x
/*
* This structure defines a segment of physical memory. To support
* sparse physical memory, the PROM constructs a linked list of
* these at power-on-self-test time.
*/
struct physmemory {
unsigned int address;
unsigned int size;
struct physmemory *next;
};
#endif /* sun3x */
/*
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* Here is the structure of the vector table found 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.
*/
typedef struct {
char *initSp; /* Initial system stack ptr
* for hardware */
int (*startMon)__P((void)); /* Initial PC for hardware */
int *diagberr; /* Bus err handler for diags */
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/*
* Monitor and hardware revision and identification
*/
struct bootparam **bootParam; /* Info for bootstrapped pgm */
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u_int *memorySize; /* Usable memory in bytes */
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/*
* Single-character input and output
*/
u_char (*getChar)__P((void)); /* Get char from input source */
int (*putChar)__P((int)); /* Put char to output sink */
int (*mayGet)__P((void)); /* Maybe get char, or -1 */
int (*mayPut)__P((int)); /* Maybe put char, or -1 */
u_char *echo; /* Should getchar echo? */
u_char *inSource; /* Input source selector */
u_char *outSink; /* Output sink selector */
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/*
* Keyboard input (scanned by monitor nmi routine)
*/
int (*getKey)__P((void)); /* Get next key if one exists */
int (*initGetKey)__P((void*)); /* Initialize get key */
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u_int *translation; /* Kbd translation selector
(see keyboard.h in sun
monitor code) */
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;
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/*
* Frame buffer output and terminal emulation
*/
int (*fbWriteChar)__P((int)); /* Write a character to FB */
int *fbAddr; /* Address of frame buffer */
char **font; /* Font table for FB */
/* Quickly write string to FB */
int (*fbWriteStr)__P((char *buf, int len));
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/*
* Reboot interface routine -- resets and reboots system. No return.
*/
int (*reBoot)__P((char *)); /* e.g. reBoot("xy()vmunix") */
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/*
* 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)__P((int)); /* Get line from user */
u_char (*getNextChar)__P((void)); /* Get next char from linebuf */
u_char (*peekNextChar)__P((void)); /* Peek at next char */
int *fbThere; /* =1 if frame buffer there */
int (*getNum)__P((void)); /* Grab hex num from line */
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/*
* Print formatted output to current output sink
*/
int (*printf)__P((char *, ...)); /* Like kernel printf */
int (*printHex)__P((int,int)); /* Format N digits in hex */
/*
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* Led stuff
*/
u_char *leds; /* RAM copy of LED register */
int (*setLeds)__P((int)); /* Sets LED's and RAM copy */
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/*
* Non-maskable interrupt (nmi) information
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*/
int (*nmiAddr)__P((void*)); /* Addr for level 7 vector */
int (*abortEntry)__P((void*)); /* Entry for keyboard abort */
int *nmiClock; /* Counts up in msec */
/*
* Frame buffer type: see <sun/fbio.h>
*/
int *fbType;
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/*
* Assorted other things
*/
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u_int 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_int *memoryAvail; /* V1: Main mem usable size */
long *resetAddr; /* where to jump on a reset */
long *resetMap; /* pgmap entry for resetaddr */
/* Really struct pgmapent * */
int (*exitToMon)__P((void)); /* Exit from user program */
u_char **memorybitmap; /* V1: &{0 or &bits} */
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/****************************************************************
* Note: from here on, things vary per-architecture!
****************************************************************/
#ifdef sun3
/* Set seg in all contexts */
void (*setcxsegmap)__P((int,int,int));
/* V2: Handler for 'v' cmd */
void (**vector_cmd)__P((int, char*));
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int pad[6];
#endif /* sun3 */
#ifdef sun3x
/* V2: Handler for 'v' cmd */
void (**vector_cmd)__P((int, char*));
/* Address of low memory PTEs (maps at least 4MB) */
int **lomemptaddr;
/*
* Address of debug/mon PTEs which map the 2MB space
* starting at MON_KDB_START, ending at MONEND.
*/
int **monptaddr;
/*
* Address of dvma PTEs. This is a VA that maps the I/O MMU
* page table, but only the last part, which corresponds to
* the CPU virtual space at MON_DVMA_BASE (see below).
*/
int **dvmaptaddr;
/*
* Physical Address of the debug/mon PTEs found at the
* virtual address given by *romVectorPtr->monptaddr;
*/
int **monptphysaddr;
/*
* Address of shadow copy of DVMA PTEs. This is a VA that
* maps the PTEs used by the CPU to map the same physical
* pages as the I/O MMU into the CPU virtual space starting
* at MON_DVMA_BASE, length MON_DVMA_SIZE (see below).
*/
int **shadowpteaddr;
struct physmemory *v_physmemory; /* Ptr to memory list for 3/80 */
int pad[1];
#endif /* sun3x */
} MachMonRomVector;
/*
* Functions defined in the vector:
*
*
* getChar -- Return the next character from the input source
*
* u_char getChar()
*
* putChar -- Write the given character to the output source.
*
* void putChar(ch)
* char ch;
*
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* mayGet -- Maybe get a character from the current input source. Return -1
* if don't return a character.
*
* int mayGet()
*
* mayPut -- Maybe put a character to the current output source. Return -1
* if no character output.
*
* int mayPut(ch)
* char ch;
*
* getKey -- Returns a key code (if up/down codes being returned),
* a byte of ASCII (if that's requested),
* NOKEY (if no key has been hit).
*
* int getKey()
*
* initGetKey -- Initialize things for get key.
*
* void initGetKey()
*
* fbWriteChar -- Write a character to the frame buffer
*
* void fwritechar(ch)
* u_char ch;
*
* fbWriteStr -- Write a string to the frame buffer.
*
* void fwritestr(addr,len)
* register u_char *addr; / * String to be written * /
* register short len; / * Length of string * /
*
* getLine -- read the next input line into a global buffer
*
* getline(echop)
* int echop; / * 1 if should echo input, 0 if not * /
*
* getNextChar -- return the next character from the global line buffer.
*
* u_char getNextChar()
*
* peekNextChar -- look at the next character in the global line buffer.
*
* u_char peekNextChar()
*
* getNum -- Grab hex num from the global line buffer.
*
* int getNum()
*
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* printf -- Scaled down version of C library printf. Only %d, %x, %s, and %c
* are recognized.
*
* printhex -- prints rightmost <digs> hex digits of <val>
*
* printhex(val,digs)
* register int val;
* register int digs;
*
* abortEntry -- Entry for keyboard abort.
*
* abortEntry()
*/
/*
* Where the rom vector is defined.
*/
#define romVectorPtr ((MachMonRomVector *) PROM_BASE)
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/* #define romp romVectorPtr XXX - Too prone to conflicts. */
/*
* Functions and defines to access the monitor.
*/
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#define mon_printf (romVectorPtr->printf)
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#define mon_putchar (romVectorPtr->putChar)
#define mon_may_getchar (romVectorPtr->mayGet)
#define mon_exit_to_mon (romVectorPtr->exitToMon)
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#define mon_reboot (romVectorPtr->reBoot)
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#define mon_panic(x) { mon_printf(x); mon_exit_to_mon();}
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#ifdef sun3
#define mon_setcxsegmap(context, va, sme) \
romVectorPtr->setcxsegmap(context, va, sme)
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/*
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* 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 0x0fef0000
/*
* MONSTART and MONEND denote the range used by the monitor.
*/
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#define MONSTART 0x0FE00000
#define MONEND 0x0FF00000
/*
* 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,
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* and MONSHORTSEG is the segment that it is in. Its mapping must not
* be removed (or the PROM monitor will be unhappy).
*/
#define MONSHORTPAGE 0x0FFFE000
#define MONSHORTSEG 0x0FFE0000
#endif /* sun3 */
#ifdef sun3x
/*
* We don't have a separate kernel debugger like sun kadb,
* but this range is setup by the monitor for such a thing.
* We might as well preserve the mappings anyway.
*/
#define MON_KDB_START 0xFEE00000
#define MON_KDB_SIZE 0x100000
/*
* MONSTART and MONEND define the range used by the monitor.
* MONDATA is its data page (do not touch!)
* PROM_BASE is where the boot PROM lives.
*/
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#define MONSTART 0xFEF00000
#define MONDATA 0xFEF72000
#define PROM_BASE 0xFEFE0000
#define MONEND 0xFF000000
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/*
* These define the CPU virtual address range mapped by the
* PROM for use as DVMA space. The physical pages mapped in
* this range are also mapped by the I/O MMU.
*/
#define MON_DVMA_BASE 0xFFF00000
#define MON_DVMA_SIZE 0x100000 /* 1MB */
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#endif /* sun3x */
#endif /* _MACHMON */
#endif /* MACHINE_MON_H */