xref: /netbsd/sys/arch/hpc/stand/hpcboot/boot.cpp (revision bf9ec67e)
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