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boot.cpp revision 1.3 
      1 /*	$NetBSD: boot.cpp,v 1.3 2001/11/25 14:39:20 takemura Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by UCHIYAMA Yasushi.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *        This product includes software developed by the NetBSD
     21  *        Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 #include <hpcdefs.h>
     40 #include <hpcboot.h>
     41 #include <boot.h>
     42 
     43 #include <load.h>
     44 #include <load_elf.h>
     45 #include <load_coff.h>
     46 #undef DPRINTF // trash coff_machdep.h's DPRINTF
     47 
     48 #include <console.h>
     49 
     50 #include <file.h>
     51 
     52 #ifdef ARM
     53 #include <arm/arm_boot.h>
     54 #endif
     55 #ifdef MIPS
     56 #include <mips/mips_boot.h>
     57 #endif
     58 #ifdef SHx
     59 #include <sh3/sh_boot.h>
     60 #endif
     61 
     62 Boot *Boot::_instance = 0;
     63 
     64 Boot &
     65 Boot::Instance()
     66 {
     67 	if (_instance)
     68 		return  *_instance;
     69 
     70 	// register bootloader to menu system.
     71 	// (will be invoked by boot button)
     72 	struct HpcMenuInterface::boot_hook_args bha;
     73 	bha.func	= hpcboot;
     74 	bha.arg		= 0;
     75 	HPC_MENU.register_boot_hook(bha);
     76 
     77 #ifdef ARM
     78 	_instance = new ARMBoot();
     79 #endif
     80 #ifdef MIPS
     81 	_instance = new MIPSBoot();
     82 #endif
     83 #ifdef SHx
     84 	_instance = new SHBoot();
     85 #endif
     86 
     87 	memset(&_instance->args, 0, sizeof(struct BootSetupArgs));
     88 	_instance->args.consoleEnable = TRUE;
     89 
     90 	return *_instance;
     91 }
     92 
     93 void
     94 Boot::Destroy()
     95 {
     96 	if (_instance)
     97 		delete _instance;
     98 }
     99 
    100 BOOL
    101 Boot::setup()
    102 {
    103 	struct HpcMenuInterface::HpcMenuPreferences &pref = HPC_PREFERENCE;
    104 
    105 	args.console = pref.boot_serial ? CONSOLE_SERIAL : CONSOLE_LCD;
    106 
    107 	// file path.
    108 	TCHAR *dir = pref.dir_user_path;
    109 	if (wcsstr(dir, TEXT("http://")))
    110 		args.file = FILE_HTTP;
    111 	else
    112 		args.file = wcschr(dir, TEXT('/')) ? FILE_UFS : FILE_FAT;
    113 	wcscpy(args.fileRoot, dir);
    114 
    115 	// file name.
    116 	wcscpy(args.fileName, pref.kernel_user_file);
    117 	args.loadmfs = (pref.rootfs == 2);
    118 	if (args.loadmfs)
    119 		wcscpy(args.mfsName, pref.rootfs_file);
    120 
    121 	// debug options.
    122 	args.loaderDebug	= FALSE;
    123 	args.architectureDebug	= FALSE;
    124 	args.memorymanagerDebug	= FALSE;
    125 	args.fileDebug		= FALSE;
    126 
    127 	return TRUE;
    128 }
    129 
    130 Boot::Boot()
    131 {
    132 	_arch	= 0;
    133 	_mem	= 0;
    134 	_file	= 0;
    135 	_loader	= 0;
    136 	// set default console
    137 	_cons = Console::Instance();
    138 }
    139 
    140 Boot::~Boot()
    141 {
    142 	if (_file)
    143 		delete _file;
    144 	if (_loader)
    145 		delete _loader;
    146 }
    147 
    148 BOOL
    149 Boot::create()
    150 {
    151 	// File manager.
    152 	_file = new FileManager(_cons, args.file);
    153 	_file->setDebug() = args.fileDebug;
    154 
    155 	return TRUE;
    156 }
    157 
    158 BOOL
    159 Boot::attachLoader()
    160 {
    161 	switch (Loader::objectFormat(*_file)) {
    162 	case LOADER_ELF:
    163 		_loader = new ElfLoader(_cons, _mem);
    164 		break;
    165 	case LOADER_COFF:
    166 		_loader = new CoffLoader(_cons, _mem);
    167 		break;
    168 	default:
    169 		DPRINTF((TEXT("unknown file format.\n")));
    170 		return FALSE;
    171 	}
    172 
    173 	return TRUE;
    174 }
    175