1 /* $NetBSD: sh_boot.cpp,v 1.6 2002/02/11 17:08:56 uch Exp $ */ 2 3 /*- 4 * Copyright (c) 2001, 2002 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 if (platid_match(&platid, &platid_mask_CPU_SH_4_7750)) { 77 args.architecture = ARCHITECTURE_SH4_7750; 78 } else { 79 DPRINTF((TEXT("CPU not supported."))); 80 return FALSE; 81 } 82 83 return super::setup(); 84 } 85 86 BOOL 87 SHBoot::create() 88 { 89 BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int); 90 BOOL(*unlock_pages)(LPVOID, DWORD); 91 size_t page_size; 92 93 // Setup console. this setting is passed to kernel bootinfo. 94 if (args.console == CONSOLE_SERIAL) { 95 _cons = new SHConsole; 96 if (!_cons->init()) { 97 _cons = Console::Instance(); 98 DPRINTF((TEXT("use LCD console instead.\n"))); 99 } 100 } else { 101 _cons = Console::Instance(); 102 SHConsole::selectBootConsole(*_cons, SHConsole::VIDEO); 103 } 104 105 // Architecture dependent ops. 106 switch(args.architecture) { 107 default: 108 DPRINTF((TEXT("unsupported architecture.\n"))); 109 return FALSE; 110 case ARCHITECTURE_SH3_7709: 111 _arch = new SH7709(_cons, _mem, SH7709::boot_func); 112 page_size = SH3_PAGE_SIZE; 113 if (SHArchitecture::cpu_type() != 3) 114 goto cpu_mismatch; 115 break; 116 case ARCHITECTURE_SH3_7709A: 117 _arch = new SH7709A(_cons, _mem, SH7709A::boot_func); 118 page_size = SH3_PAGE_SIZE; 119 if (SHArchitecture::cpu_type() != 3) 120 goto cpu_mismatch; 121 break; 122 case ARCHITECTURE_SH4_7750: 123 _arch = new SH7750(_cons, _mem, SH7750::boot_func); 124 page_size = SH4_PAGE_SIZE; 125 if (SHArchitecture::cpu_type() != 4) 126 goto cpu_mismatch; 127 break; 128 } 129 _arch->setDebug() = args.architectureDebug; 130 131 lock_pages = _arch->_load_LockPages(); 132 unlock_pages = _arch->_load_UnlockPages(); 133 if (lock_pages == 0 || unlock_pages == 0) 134 args.memory = MEMORY_MANAGER_HARDMMU; 135 else 136 args.memory = MEMORY_MANAGER_LOCKPAGES; 137 138 // Memory manager. 139 switch(args.memory) { 140 default: 141 case MEMORY_MANAGER_VIRTUALCOPY: 142 // VirtualCopy method causes Windows CE unstable. 143 /* FALLTHROUGH */ 144 case MEMORY_MANAGER_SOFTMMU: 145 DPRINTF((TEXT("unsupported address detection method.\n"))); 146 return FALSE; 147 case MEMORY_MANAGER_HARDMMU: 148 if (args.architecture == ARCHITECTURE_SH4_7750) { 149 DPRINTF((TEXT("No SH4 MMU code.\n"))); 150 return FALSE; 151 } 152 153 _mem = new MemoryManager_SHMMU(_cons, page_size); 154 break; 155 case MEMORY_MANAGER_LOCKPAGES: 156 _mem = new MemoryManager_LockPages(lock_pages, unlock_pages, 157 _cons, page_size); 158 break; 159 } 160 _mem->setDebug() = args.memorymanagerDebug; 161 162 // File Manager, Loader 163 return super::create(); 164 165 cpu_mismatch: 166 DPRINTF((TEXT("CPU mismatch. CPU is SH%d\n"), 167 SHArchitecture::cpu_type())); 168 169 return FALSE; 170 } 171