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152 lines
3.9 KiB
C
152 lines
3.9 KiB
C
/*
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* Copyright (C) 2014 Michael Brown <mbrown@fensystems.co.uk>.
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
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* 02110-1301, USA.
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*/
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/**
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* @file
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*
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* Command line
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*
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*/
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#include <stddef.h>
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#include <stdlib.h>
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#include <stdio.h>
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#include <string.h>
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#include <ctype.h>
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#include "wimboot.h"
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#include "cmdline.h"
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/** Use raw (unpatched) BCD files */
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int cmdline_rawbcd;
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/** Use raw (unpatched) WIM files */
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int cmdline_rawwim;
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/** Inhibit debugging output */
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int cmdline_quiet;
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/** Allow graphical output from bootmgr/bootmgfw */
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int cmdline_gui;
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/** Pause before booting OS */
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int cmdline_pause;
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/** Pause without displaying any prompt */
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int cmdline_pause_quiet;
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/** Use linear (unpaged) memory model */
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int cmdline_linear;
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/** WIM boot index */
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unsigned int cmdline_index;
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int cmdline_vf_num;
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char cmdline_vf_path[MAX_VF][64];
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file_size_pf pfventoy_file_size;
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file_read_pf pfventoy_file_read;
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/**
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* Process command line
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*
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* @v cmdline Command line
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*/
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void process_cmdline ( char *cmdline ) {
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char *tmp = cmdline;
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char *key;
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char *value;
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char *endp;
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/* Do nothing if we have no command line */
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if ( ( cmdline == NULL ) || ( cmdline[0] == '\0' ) )
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return;
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/* Parse command line */
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while ( *tmp ) {
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/* Skip whitespace */
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while ( isspace ( *tmp ) )
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tmp++;
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/* Find value (if any) and end of this argument */
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key = tmp;
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value = NULL;
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while ( *tmp ) {
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if ( isspace ( *tmp ) ) {
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*(tmp++) = '\0';
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break;
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} else if ( *tmp == '=' ) {
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*(tmp++) = '\0';
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value = tmp;
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} else {
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tmp++;
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}
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}
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/* Process this argument */
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if ( strcmp ( key, "rawbcd" ) == 0 ) {
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cmdline_rawbcd = 1;
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} else if ( strcmp ( key, "rawwim" ) == 0 ) {
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cmdline_rawwim = 1;
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} else if ( strcmp ( key, "gui" ) == 0 ) {
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cmdline_gui = 1;
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}
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else if ((key[0] == 'v') && (key[1] == 'f') ) {
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if (cmdline_vf_num >= MAX_VF)
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die("Too many vf\n");
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snprintf(cmdline_vf_path[cmdline_vf_num], 64, "%s", value);
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cmdline_vf_num++;
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}else if ( strcmp ( key, "pfsize" ) == 0 ) {
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pfventoy_file_size = (file_size_pf)strtoul(value, &endp, 0);
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} else if ( strcmp ( key, "pfread" ) == 0 ) {
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pfventoy_file_read = (file_read_pf)strtoul(value, &endp, 0 );
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}
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else if ( strcmp ( key, "linear" ) == 0 ) {
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cmdline_linear = 1;
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} else if ( strcmp ( key, "quiet" ) == 0 ) {
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cmdline_quiet = 1;
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} else if ( strcmp ( key, "pause" ) == 0 ) {
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cmdline_pause = 1;
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if ( value && ( strcmp ( value, "quiet" ) == 0 ) )
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cmdline_pause_quiet = 1;
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} else if ( strcmp ( key, "index" ) == 0 ) {
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if ( ( ! value ) || ( ! value[0] ) )
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die ( "Argument \"index\" needs a value\n" );
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cmdline_index = strtoul ( value, &endp, 0 );
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if ( *endp )
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die ( "Invalid index \"%s\"\n", value );
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} else if ( strcmp ( key, "initrdfile" ) == 0 ) {
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/* Ignore this keyword to allow for use with syslinux */
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} else if ( key == cmdline ) {
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/* Ignore unknown initial arguments, which may
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* be the program name.
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*/
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} else {
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die ( "Unrecognised argument \"%s%s%s\"\n", key,
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( value ? "=" : "" ), ( value ? value : "" ) );
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}
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}
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/* Show command line (after parsing "quiet" option) */
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DBG ( "Command line: \"%s\" vf=%d pfsize=%p pfread=%p\n",
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cmdline, cmdline_vf_num, pfventoy_file_size, pfventoy_file_read);
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}
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