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/*
* romcheck.h - General definitions for romcheck
*
* Copyright (C) 1998 Gero Kuhlmann <gero@gkminix.han.de>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
/*
* Some generally useful definitions
*/
#ifndef FALSE
# define FALSE 0
#endif
#ifndef TRUE
# define TRUE 1
#endif
/*
* Memory layout
*/
#define STARTSEG 0xC000 /* First segment in memory scan */
#define ENDSEG 0xF000 /* Last segment in memory scan */
#define VIDEOSEG 0xC000 /* Usual place for video BIOS */
/*
* Structure holding the result of the memory scan.
*/
#ifndef IN_ASM_MODULE
struct scaninfo {
unsigned short signum; /* Number of signatures found */
unsigned short *sigsegs; /* Segments of rom signatures */
unsigned short *sigsize; /* Size of roms according to sigs */
unsigned short *sigvalid; /* Buffer indicating valid checksums */
unsigned short nbindex; /* Index to netboot signature area */
unsigned char nbmajor; /* Netboot rom major version */
unsigned char nbminor; /* Netboot rom minor version */
unsigned short romsize; /* Size of rom buffer */
unsigned char *rombuf; /* Buffer holding id for each rom seg */
unsigned short flashseg; /* Segment of FlashCard */
};
#else
! Offsets to each element in structure (for assembler module)
si_signum equ 0 ! Number of signatures found
si_sigsegs equ 2 ! Segments of rom signatures
si_sigsize equ 4 ! Size of roms according to sigs
si_sigvalid equ 6 ! Buffer indicating valid checksums
si_nbindex equ 8 ! Index to netboot signature area
si_nbmajor equ 10 ! netboot rom major version
si_nbminor equ 11 ! netboot rom minor version
si_romsize equ 12 ! size of rom buffer
si_rombuf equ 14 ! buffer holding id for each rom seg
si_flashseg equ 16 ! segment of FlashCard
#endif
/* Type IDs for rom segments */
#define TYPE_RAM 0 /* Memory RAM */
#define TYPE_ROM 1 /* Memory is ROM or write-protected */
#define TYPE_UNKNOWN 2 /* Cant determine whether ROM or RAM */
#define TYPE_EMPTY 3 /* Probably empty ROM */
/*
* Characters used to display the scan result
*/
#define CHAR_DASH '-' /* Memory area not used by rom */
#define CHAR_VALID 0xB2 /* Memory area used by rom */
#define CHAR_INVALID 0xB0 /* Memory area has invalid checksum */
#define CHAR_RAM 0x04 /* Segment is RAM */
#define CHAR_ROM 0xB1 /* Segment is ROM or write-protected */
#define CHAR_EMPTY 0xF9 /* Segment is probably empty ROM */
#define CHAR_UNKNOWN 0xFA /* Cant determine segment type */
#define CHAR_FLASH '^' /* Pointer indicating start of flash */
/*
* External routines
*/
#ifndef IN_ASM_MODULE
/* Routines in module doscan.S */
extern void doscan __P((struct scaninfo *sip));
/* Routines in module printscan.c */
extern void printscan __P((struct scaninfo *sip));
/* Routines in module printhex.c */
extern void printhex __P((struct scaninfo *sip));
/* Routines in module io.c */
extern char waitchar __P((void));
extern int readint __P((char *prompt, int minval, int maxval, int defval));
extern unsigned int readhex __P((char *prompt,
unsigned int minval, unsigned int maxval, unsigned int defval));
#endif
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