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sh_boot.cpp revision 1.5 
      1 /*	$NetBSD: sh_boot.cpp,v 1.5 2002/02/04 17:38:27 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 = SHConsole::Instance();
     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 		break;
    114 	case ARCHITECTURE_SH3_7709A:
    115 		_arch = new SH7709A(_cons, _mem, SH7709A::boot_func);
    116 		page_size = SH3_PAGE_SIZE;
    117 		break;
    118 	case ARCHITECTURE_SH4_7750:
    119 		_arch = new SH7750(_cons, _mem, SH7750::boot_func);
    120 		page_size = SH4_PAGE_SIZE;
    121 		break;
    122 	}
    123 	_arch->setDebug() = args.architectureDebug;
    124 
    125 	lock_pages = _arch->_load_LockPages();
    126 	unlock_pages = _arch->_load_UnlockPages();
    127 	if (lock_pages == 0 || unlock_pages == 0)
    128 		args.memory = MEMORY_MANAGER_HARDMMU;
    129 	else
    130 		args.memory = MEMORY_MANAGER_LOCKPAGES;
    131 
    132 	// Memory manager.
    133 	switch(args.memory) {
    134 	default:
    135 	case MEMORY_MANAGER_VIRTUALCOPY:
    136 		// VirtualCopy method causes Windows CE unstable.
    137 		/* FALLTHROUGH */
    138 	case MEMORY_MANAGER_SOFTMMU:
    139 		DPRINTF((TEXT("unsupported address detection method.\n")));
    140 		return FALSE;
    141 	case MEMORY_MANAGER_HARDMMU:
    142 		if (args.architecture == ARCHITECTURE_SH4_7750) {
    143 			DPRINTF((TEXT("No SH4 MMU code.\n")));
    144 			return FALSE;
    145 		}
    146 
    147 		_mem = new MemoryManager_SHMMU(_cons, page_size);
    148 		break;
    149 	case MEMORY_MANAGER_LOCKPAGES:
    150 		_mem = new MemoryManager_LockPages(lock_pages, unlock_pages,
    151 		    _cons, page_size);
    152 		break;
    153 	}
    154 	_mem->setDebug() = args.memorymanagerDebug;
    155 
    156 	// File Manager, Loader
    157 	return super::create();
    158 }
    159