1 /* $NetBSD: sh_boot.cpp,v 1.1 2001/02/09 18:35:17 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(void) 50 { 51 } 52 53 SHBoot::~SHBoot(void) 54 { 55 if (_mem) 56 delete _mem; 57 if (_arch) 58 delete _arch; 59 60 SHConsole::Destroy(); 61 } 62 63 BOOL 64 SHBoot::setup(struct HpcMenuInterface::HpcMenuPreferences &pref) 65 { 66 platid_t platid; 67 platid.dw.dw0 = pref.platid_hi; 68 platid.dw.dw1 = pref.platid_lo; 69 70 if (platid_match(&platid, &platid_mask_CPU_SH_3_7709)) { 71 args.architecture = ARCHITECTURE_SH3_7709; 72 } else if (platid_match(&platid, &platid_mask_CPU_SH_3_7709A)) { 73 args.architecture = ARCHITECTURE_SH3_7709A; 74 } else 75 return FALSE; 76 77 return Boot::setup(pref); 78 } 79 80 BOOL 81 SHBoot::create(void) 82 { 83 BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int); 84 BOOL(*unlock_pages)(LPVOID, DWORD); 85 86 // Change console to serial if required. 87 if (args.console == CONSOLE_SERIAL) { 88 _cons = SHConsole::Instance(); 89 if (!_cons->init()) { 90 _cons = Console::Instance(); 91 DPRINTF((TEXT("use LCD console instead.\n"))); 92 } 93 } 94 95 // Architecture dependent ops. 96 switch(args.architecture) { 97 default: 98 DPRINTF((TEXT("unsupported architecture.\n"))); 99 return FALSE; 100 case ARCHITECTURE_SH3_7709: 101 _arch = new SH7709(_cons, _mem, SH7709::boot_func); 102 break; 103 case ARCHITECTURE_SH3_7709A: 104 _arch = new SH7709A(_cons, _mem, SH7709A::boot_func); 105 break; 106 } 107 _arch->setDebug() = args.architectureDebug; 108 109 lock_pages = _arch->_load_LockPages(); 110 unlock_pages = _arch->_load_UnlockPages(); 111 if (lock_pages == 0 || unlock_pages == 0) 112 args.memory = MEMORY_MANAGER_HARDMMU; 113 else 114 args.memory = MEMORY_MANAGER_LOCKPAGES; 115 116 // Memory manager. 117 switch(args.memory) { 118 default: 119 case MEMORY_MANAGER_VIRTUALCOPY: 120 // VirtualCopy method causes Windows CE unstable. 121 // FALLTHROUGH 122 case MEMORY_MANAGER_SOFTMMU: 123 DPRINTF((TEXT("unsupported address detection method.\n"))); 124 return FALSE; 125 case MEMORY_MANAGER_HARDMMU: 126 _mem = new MemoryManager_SHMMU(_cons, PAGE_SIZE); 127 break; 128 case MEMORY_MANAGER_LOCKPAGES: 129 _mem = new MemoryManager_LockPages(lock_pages, unlock_pages, 130 _cons, PAGE_SIZE); 131 break; 132 } 133 _mem->setDebug() = args.memorymanagerDebug; 134 135 // File Manager, Loader 136 return Boot::create(); 137 } 138