1 /* $NetBSD: sh_boot.cpp,v 1.4 2001/05/21 15:54:25 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 41 #include <arch.h> 42 #include <memory.h> 43 44 #include <sh3/sh_arch.h> 45 #include <sh3/sh_mmu.h> 46 #include <sh3/sh_console.h> 47 #include <sh3/sh_boot.h> 48 49 SHBoot::SHBoot() 50 { 51 } 52 53 SHBoot::~SHBoot() 54 { 55 if (_mem) 56 delete _mem; 57 if (_arch) 58 delete _arch; 59 60 SHConsole::Destroy(); 61 } 62 63 BOOL 64 SHBoot::setup() 65 { 66 struct HpcMenuInterface::HpcMenuPreferences &pref = HPC_PREFERENCE; 67 68 platid_t platid; 69 platid.dw.dw0 = pref.platid_hi; 70 platid.dw.dw1 = pref.platid_lo; 71 72 if (platid_match(&platid, &platid_mask_CPU_SH_3_7709)) { 73 args.architecture = ARCHITECTURE_SH3_7709; 74 } else if (platid_match(&platid, &platid_mask_CPU_SH_3_7709A)) { 75 args.architecture = ARCHITECTURE_SH3_7709A; 76 } else 77 return FALSE; 78 79 return super::setup(); 80 } 81 82 BOOL 83 SHBoot::create() 84 { 85 BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int); 86 BOOL(*unlock_pages)(LPVOID, DWORD); 87 88 // Setup console. this setting is passed to kernel bootinfo. 89 if (args.console == CONSOLE_SERIAL) { 90 _cons = SHConsole::Instance(); 91 if (!_cons->init()) { 92 _cons = Console::Instance(); 93 DPRINTF((TEXT("use LCD console instead.\n"))); 94 } 95 } else { 96 _cons = Console::Instance(); 97 SHConsole::selectBootConsole(*_cons, SHConsole::VIDEO); 98 } 99 100 // Architecture dependent ops. 101 switch(args.architecture) { 102 default: 103 DPRINTF((TEXT("unsupported architecture.\n"))); 104 return FALSE; 105 case ARCHITECTURE_SH3_7709: 106 _arch = new SH7709(_cons, _mem, SH7709::boot_func); 107 break; 108 case ARCHITECTURE_SH3_7709A: 109 _arch = new SH7709A(_cons, _mem, SH7709A::boot_func); 110 break; 111 } 112 _arch->setDebug() = args.architectureDebug; 113 114 lock_pages = _arch->_load_LockPages(); 115 unlock_pages = _arch->_load_UnlockPages(); 116 if (lock_pages == 0 || unlock_pages == 0) 117 args.memory = MEMORY_MANAGER_HARDMMU; 118 else 119 args.memory = MEMORY_MANAGER_LOCKPAGES; 120 121 // Memory manager. 122 switch(args.memory) { 123 default: 124 case MEMORY_MANAGER_VIRTUALCOPY: 125 // VirtualCopy method causes Windows CE unstable. 126 // FALLTHROUGH 127 case MEMORY_MANAGER_SOFTMMU: 128 DPRINTF((TEXT("unsupported address detection method.\n"))); 129 return FALSE; 130 case MEMORY_MANAGER_HARDMMU: 131 _mem = new MemoryManager_SHMMU(_cons, PAGE_SIZE); 132 break; 133 case MEMORY_MANAGER_LOCKPAGES: 134 _mem = new MemoryManager_LockPages(lock_pages, unlock_pages, 135 _cons, PAGE_SIZE); 136 break; 137 } 138 _mem->setDebug() = args.memorymanagerDebug; 139 140 // File Manager, Loader 141 return super::create(); 142 } 143