sys/arch/hpc/stand/hpcboot/boot.cpp

   1 /*      $NetBSD: boot.cpp,v 1.6 2005/12/11 12:17:28 christos 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 &
  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
  88 Boot::Destroy()
  89 {
  90
  91         if (_instance)
  92                 delete _instance;
  93 }
  94
  95 BOOL
  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
 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
 135 Boot::~Boot()
 136 {
 137
 138         if (_file)
 139                 delete _file;
 140         if (_loader)
 141                 delete _loader;
 142 }
 143
 144 BOOL
 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
 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 }