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Diffstat (limited to 'contrib/mkQNXnbi/mkQNXnbi.c')
| -rw-r--r-- | contrib/mkQNXnbi/mkQNXnbi.c | 196 |
1 files changed, 196 insertions, 0 deletions
diff --git a/contrib/mkQNXnbi/mkQNXnbi.c b/contrib/mkQNXnbi/mkQNXnbi.c new file mode 100644 index 00000000..2ec2dc4b --- /dev/null +++ b/contrib/mkQNXnbi/mkQNXnbi.c @@ -0,0 +1,196 @@ +//***************************************************************************** +// +// Purpose: Make a boot-image for EtherBoot +// +// +// Compiler: This source can be compiled with gcc and Watcom C +// +// +// Note: The QNX boot image can be build with any reasonable +// start address, e.g. 0x1000 (default) or 0x10000 +// (widespread Boot-Rom address) +// +// +// Author: Anders Larsen +// +// +// Copyright: (C) 1999 by +// +// Anders Larsen +// systems engineer +// Gutleuthausstr. 3 +// D-69469 Weinheim +// Germany +// phone: +49-6201-961717 +// fax: +49-6201-961718 +// e-mail: al@alarsen.net +// +// 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 +// (at your option) 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. +// +//----------------------------------------------------------------------------- +// +// Change Log: +// V0.2: Sun 1999-12-13 Anders Larsen <al@alarsen.net> +//***************************************************************************** + +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <sys/types.h> + + +// max. size of QNX OS boot image is 512K +#define MAXSIZE (512*1024) + +typedef unsigned short ushort_t; +typedef unsigned long ulong_t; + + +// global header of tagged image: +struct initial_t +{ + ulong_t magic; + ulong_t length; + ulong_t location; + ulong_t start; +}; + + +// header of each image: +struct header_t +{ + ulong_t flags; + ulong_t loadaddr; + ulong_t imgsize; + ulong_t memsize; +}; + + +// global header of the QNX EtherBoot image: +struct qnx_loader_t +{ + struct initial_t setup; + struct header_t qnx; +}; + + +// global header: +union +{ + struct qnx_loader_t h; + char filler[512]; +} header; + + +char buffer[MAXSIZE]; + + +int usage( char* const* argv ) +{ + fprintf( stderr, "%s - make a tagged boot image for EtherBoot\n", *argv ); + fprintf( stderr, "\nuse:\n" ); + fprintf( stderr, "%s [ -<option> ]*\n", *argv ); + fprintf( stderr, "\noptions:\n" ); + fprintf( stderr, " i <input file> : QNX boot file (default: stdin)\n" ); + fprintf( stderr, " o <output file> : tagged image file (default: stdout)\n" ); + fprintf( stderr, " v : be verbose\n" ); + return EXIT_FAILURE; +} + +#ifdef __USAGE +%C - make a tagged boot image for EtherBoot + +use: +%C [ -<option> ]* + +options: + i <input file> : QNX boot file (default: stdin) + o <output file> : tagged image file (default: stdout) + v : be verbose +#endif + + +int main( int argc, char* const* argv ) +{ + int ch, l; + int verbose = 0; + + while ( ( ch = getopt( argc, argv, "hi:o:v" ) ) != EOF ) + switch ( ch ) + { + case 'i': + if ( !freopen( optarg, "r", stdin ) ) + { + perror( "can't open input file" ); + return EXIT_FAILURE; + } + break; + + case 'o': + if ( !freopen( optarg, "w", stdout ) ) + { + perror( "can't create output file" ); + return EXIT_FAILURE; + } + break; + + case 'v': + verbose++; + break; + + case 'h': + default: + return usage( argv ); + } + if ( optind != argc ) + return usage( argv ); + + memset( &header, 0, sizeof header ); + header.h.setup.magic = 0x1b031336; // magic number + header.h.setup.length = 4; + header.h.setup.location = 0x93e00000; // just below the EtherBoot rom + header.h.setup.start = 0; // filled in dynamically + header.h.qnx.flags = 0x04000004; // single image only + header.h.qnx.loadaddr = 0; // filled in dynamically + header.h.qnx.imgsize = 0; // filled in dynamically + header.h.qnx.memsize = 0; // filled in dynamically + + // read the QNX image from stdin: + for ( ; ( l = fread( buffer + header.h.qnx.imgsize, 1, 1024, stdin ) ) > 0; + header.h.qnx.imgsize += l + ) + ; + header.h.qnx.memsize = header.h.qnx.imgsize; + + // fill in the real load-address of the QNX boot image: + header.h.setup.start = *(ushort_t*)&buffer[10] << 16; + header.h.qnx.loadaddr = *(ushort_t*)&buffer[10] << 4; + + // write the tagged image file to stdout: + fwrite( &header, 1, 512, stdout ); + fwrite( buffer, 1, header.h.qnx.imgsize, stdout ); + + if ( verbose ) + { + // print diagnostic information: + fprintf( stderr, "QNX image size: %d bytes (%dK), load addr: 0x%05X\n", + header.h.qnx.imgsize, + header.h.qnx.imgsize / 1024, + header.h.qnx.loadaddr + ); + } + return EXIT_SUCCESS; +} |