1 /* -*-C++-*- $NetBSD: mips_boot.cpp,v 1.2 2001/04/24 19:28:00 uch 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 <hpcboot.h> 40 #include <console.h> 41 42 #include <arch.h> 43 #include <memory.h> 44 45 #include <mips/mips_arch.h> 46 #include <mips/mips_boot.h> 47 #include <mips/mips_vr41.h> 48 #include <mips/mips_tx39.h> 49 #include <mips/mips_console.h> 50 51 MIPSBoot::MIPSBoot() 52 { 53 } 54 55 MIPSBoot::~MIPSBoot() 56 { 57 if (_mem) 58 delete _mem; 59 if (_arch) 60 delete _arch; 61 62 MIPSConsole::Destroy(); 63 } 64 65 BOOL 66 MIPSBoot::setup() 67 { 68 struct HpcMenuInterface::HpcMenuPreferences &pref = HPC_PREFERENCE; 69 70 platid_t platid; 71 platid.dw.dw0 = pref.platid_hi; 72 platid.dw.dw1 = pref.platid_lo; 73 74 if (platid_match(&platid, &platid_mask_CPU_MIPS_VR)) { 75 args.architecture = ARCHITECTURE_MIPS_VR41; 76 } else if (platid_match(&platid, &platid_mask_CPU_MIPS_TX_3900)) { 77 args.architecture = ARCHITECTURE_MIPS_TX3900; 78 } else if (platid_match(&platid, &platid_mask_CPU_MIPS_TX_3920)) { 79 args.architecture = ARCHITECTURE_MIPS_TX3920; 80 } else { 81 DPRINTF((TEXT("unknown MIPS variants.\n"))); 82 return FALSE; 83 } 84 85 return super::setup(); 86 } 87 88 BOOL 89 MIPSBoot::create() 90 { 91 size_t pagesz; 92 int shift; 93 BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int); 94 BOOL(*unlock_pages)(LPVOID, DWORD); 95 96 // Console 97 if (args.console == CONSOLE_SERIAL) { 98 _cons = MIPSConsole::Instance(); 99 if (!_cons->init()) { 100 _cons = Console::Instance(); 101 DPRINTF((TEXT("use LCD console instead.\n"))); 102 } 103 } 104 105 // Architercure dependent ops. 106 switch(args.architecture) { 107 default: 108 DPRINTF((TEXT("unsupported architecture.\n"))); 109 return FALSE; 110 case ARCHITECTURE_MIPS_TX3900: 111 // FALLTHROUGH 112 case ARCHITECTURE_MIPS_TX3920: 113 _arch = new TX39XX(_cons, _mem, args.architecture); 114 pagesz = 4096; 115 shift = 0; 116 break; 117 case ARCHITECTURE_MIPS_VR41: 118 _arch = new VR41XX(_cons, _mem); 119 pagesz = 1024; 120 shift = 4; // VR41 specific shift. for LockPages() 121 break; 122 } 123 _arch->setDebug() = args.architectureDebug; 124 125 // Memory manager. 126 // LockPages API exists in Windows CE 2.11 or later. check it. 127 lock_pages = _arch->_load_LockPages(); 128 unlock_pages = _arch->_load_UnlockPages(); 129 if (lock_pages == 0 || unlock_pages == 0) 130 args.memory = MEMORY_MANAGER_VIRTUALCOPY; 131 else 132 args.memory = MEMORY_MANAGER_LOCKPAGES; 133 134 switch(args.memory) { 135 default: 136 break; 137 case MEMORY_MANAGER_SOFTMMU: 138 // FALLTHROUGH 139 case MEMORY_MANAGER_HARDMMU: 140 DPRINTF((TEXT("unsupported memory address detection method.\n"))); 141 return FALSE; 142 case MEMORY_MANAGER_LOCKPAGES: 143 _mem = new MemoryManager_LockPages(lock_pages, unlock_pages, 144 _cons, pagesz, shift); 145 break; 146 case MEMORY_MANAGER_VIRTUALCOPY: 147 _mem = new MemoryManager_VirtualCopy(_cons, pagesz); 148 break; 149 } 150 _mem->setDebug() = args.memorymanagerDebug; 151 152 153 // File Manager, Loader 154 return super::create(); 155 } 156