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mips_boot.cpp revision 1.1.2.2 
      1 /* -*-C++-*-	$NetBSD: mips_boot.cpp,v 1.1.2.2 2001/02/11 19:10:06 bouyer 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 
     50 MIPSBoot::MIPSBoot(void)
     51 {
     52 }
     53 
     54 MIPSBoot::~MIPSBoot(void)
     55 {
     56 	if (_mem)
     57 		delete _mem;
     58 	if (_arch)
     59 		delete _arch;
     60 }
     61 
     62 BOOL
     63 MIPSBoot::setup(struct HpcMenuInterface::HpcMenuPreferences &pref)
     64 {
     65 	platid_t platid;
     66 	platid.dw.dw0 = pref.platid_hi;
     67 	platid.dw.dw1 = pref.platid_lo;
     68 
     69 	if (platid_match(&platid, &platid_mask_CPU_MIPS_VR)) {
     70 		args.architecture = ARCHITECTURE_MIPS_VR41;
     71 	} else if (platid_match(&platid, &platid_mask_CPU_MIPS_TX_3900)) {
     72 		args.architecture = ARCHITECTURE_MIPS_TX3900;
     73 	} else if (platid_match(&platid, &platid_mask_CPU_MIPS_TX_3920)) {
     74 		args.architecture = ARCHITECTURE_MIPS_TX3920;
     75 	} else {
     76 		DPRINTF((TEXT("unknown MIPS variants.\n")));
     77 		return FALSE;
     78 	}
     79 
     80 	return Boot::setup(pref);
     81 }
     82 
     83 BOOL
     84 MIPSBoot::create(void)
     85 {
     86 	size_t pagesz;
     87 	int shift;
     88 	BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int);
     89 	BOOL(*unlock_pages)(LPVOID, DWORD);
     90 
     91 	// Console
     92 	if (args.console == CONSOLE_SERIAL) {
     93 		_cons = Console::Instance();
     94 		DPRINTF((TEXT("use LCD console instead.\n")));
     95 	}
     96 
     97 	// Architercure dependent ops.
     98 	switch(args.architecture) {
     99 	default:
    100 		DPRINTF((TEXT("unsupported architecture.\n")));
    101 		return FALSE;
    102 	case ARCHITECTURE_MIPS_TX3900:
    103 		// FALLTHROUGH
    104 	case ARCHITECTURE_MIPS_TX3920:
    105 		_arch = new TX39XX(_cons, _mem, args.architecture);
    106 		pagesz = 4096;
    107 		shift = 0;
    108 		break;
    109 	case ARCHITECTURE_MIPS_VR41:
    110 		_arch = new VR41XX(_cons, _mem);
    111 		pagesz = 1024;
    112 		shift = 4; // VR41 specific shift. for LockPages()
    113 		break;
    114 	}
    115 	_arch->setDebug() = args.architectureDebug;
    116 
    117 	// Memory manager.
    118 	// LockPages API exists in Windows CE 2.11 or later. check it.
    119 	lock_pages = _arch->_load_LockPages();
    120 	unlock_pages = _arch->_load_UnlockPages();
    121 	if (lock_pages == 0 || unlock_pages == 0)
    122 		args.memory = MEMORY_MANAGER_VIRTUALCOPY;
    123 	else
    124 		args.memory = MEMORY_MANAGER_LOCKPAGES;
    125 
    126 	switch(args.memory) {
    127 	default:
    128 		break;
    129 	case MEMORY_MANAGER_SOFTMMU:
    130 		// FALLTHROUGH
    131 	case MEMORY_MANAGER_HARDMMU:
    132 		DPRINTF((TEXT("unsupported memory address detection method.\n")));
    133 		return FALSE;
    134 	case MEMORY_MANAGER_LOCKPAGES:
    135 		_mem = new MemoryManager_LockPages(lock_pages, unlock_pages,
    136 						   _cons, pagesz, shift);
    137 		break;
    138 	case MEMORY_MANAGER_VIRTUALCOPY:
    139 		_mem = new MemoryManager_VirtualCopy(_cons, pagesz);
    140 		break;
    141 	}
    142 	_mem->setDebug() = args.memorymanagerDebug;
    143 
    144 
    145 	// File Manager, Loader
    146 	return Boot::create();
    147 }
    148