1 /*        $NetBSD: boot.cpp,v 1.7 2008/04/28 20:23:20 martin Exp $    */
2 
3 /*-
4  * Copyright (c) 2001, 2004 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  *
19  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29  * POSSIBILITY OF SUCH DAMAGE.
30  */
31 
32 #include <hpcdefs.h>
33 #include <hpcboot.h>
34 #include <boot.h>
35 
36 #include <load.h>
37 #include <load_elf.h>
38 #include <load_coff.h>
39 #undef DPRINTF // trash coff_machdep.h's DPRINTF
40 
41 #include <console.h>
42 
43 #include <file.h>
44 
45 #ifdef ARM
46 #include <arm/arm_boot.h>
47 #endif
48 #ifdef MIPS
49 #include <mips/mips_boot.h>
50 #endif
51 #ifdef SHx
52 #include <sh3/sh_boot.h>
53 #endif
54 
55 Boot *Boot::_instance = 0;
56 
57 Boot &
Instance()58 Boot::Instance()
59 {
60 
61           if (_instance)
62                     return  *_instance;
63 
64           // register bootloader to menu system.
65           // (will be invoked by boot button)
66           struct HpcMenuInterface::boot_hook_args bha;
67           bha.func  = hpcboot;
68           bha.arg             = 0;
69           HPC_MENU.register_boot_hook(bha);
70 
71 #ifdef ARM
72           _instance = new ARMBoot();
73 #endif
74 #ifdef MIPS
75           _instance = new MIPSBoot();
76 #endif
77 #ifdef SHx
78           _instance = new SHBoot();
79 #endif
80 
81           memset(&_instance->args, 0, sizeof(struct BootSetupArgs));
82           _instance->args.consoleEnable = TRUE;
83 
84           return *_instance;
85 }
86 
87 void
Destroy()88 Boot::Destroy()
89 {
90 
91           if (_instance)
92                     delete _instance;
93 }
94 
95 BOOL
setup()96 Boot::setup()
97 {
98           struct HpcMenuInterface::HpcMenuPreferences &pref = HPC_PREFERENCE;
99 
100           args.console = pref.boot_serial ? CONSOLE_SERIAL : CONSOLE_LCD;
101 
102           // file path.
103           TCHAR *dir = pref.dir_user_path;
104           if (wcsstr(dir, TEXT("http://")))
105                     args.file = FILE_HTTP;
106           else
107                     args.file = wcschr(dir, TEXT('/')) ? FILE_UFS : FILE_FAT;
108           wcscpy(args.fileRoot, dir);
109 
110           // file name.
111           wcscpy(args.fileName, pref.kernel_user_file);
112           args.loadmfs = (pref.rootfs == 2);
113           if (args.loadmfs)
114                     wcscpy(args.mfsName, pref.rootfs_file);
115 
116           // debug options.
117           args.loaderDebug    = FALSE;
118           args.architectureDebug        = FALSE;
119           args.memorymanagerDebug       = FALSE;
120           args.fileDebug                = FALSE;
121 
122           return TRUE;
123 }
124 
Boot()125 Boot::Boot()
126 {
127           _arch     = 0;
128           _mem      = 0;
129           _file     = 0;
130           _loader   = 0;
131           // set default console
132           _cons = Console::Instance();
133 }
134 
~Boot()135 Boot::~Boot()
136 {
137 
138           if (_file)
139                     delete _file;
140           if (_loader)
141                     delete _loader;
142 }
143 
144 BOOL
create()145 Boot::create()
146 {
147 
148           // Set this console (setuped by machine dependent part) as default.
149           Console::changeConsole(*_cons);
150 
151           // File manager.
152           _file = new FileManager(_cons, args.file);
153           _file->setDebug() = args.fileDebug;
154 
155           return TRUE;
156 }
157 
158 BOOL
attachLoader()159 Boot::attachLoader()
160 {
161 
162           switch (Loader::objectFormat(*_file)) {
163           case LOADER_ELF:
164                     _loader = new ElfLoader(_cons, _mem);
165                     break;
166           case LOADER_COFF:
167                     _loader = new CoffLoader(_cons, _mem);
168                     break;
169           default:
170                     DPRINTF((TEXT("unknown file format.\n")));
171                     return FALSE;
172           }
173 
174           return TRUE;
175 }
176