1 /* -*-C++-*-	$NetBSD: mips_boot.cpp,v 1.5 2001/06/18 11:31:04 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 #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 #include <mips/mips_console.h>
50 
51 MIPSBoot::MIPSBoot()
52 {
53 }
54 
55 MIPSBoot::~MIPSBoot()
56 {
57 	if (_mem)
58 		delete _mem;
59 	if (_arch)
60 		delete _arch;
61 
62 	MIPSConsole::Destroy();
63 }
64 
65 BOOL
66 MIPSBoot::setup()
67 {
68 	struct HpcMenuInterface::HpcMenuPreferences &pref = HPC_PREFERENCE;
69 
70 	platid_t platid;
71 	platid.dw.dw0 = pref.platid_hi;
72 	platid.dw.dw1 = pref.platid_lo;
73 
74 	if (platid_match(&platid, &platid_mask_CPU_MIPS_VR)) {
75 		args.architecture = ARCHITECTURE_MIPS_VR41;
76 	} else if (platid_match(&platid, &platid_mask_CPU_MIPS_TX_3900)) {
77 		args.architecture = ARCHITECTURE_MIPS_TX3900;
78 	} else if (platid_match(&platid, &platid_mask_CPU_MIPS_TX_3920)) {
79 		args.architecture = ARCHITECTURE_MIPS_TX3920;
80 	} else {
81 		DPRINTF((TEXT("unknown MIPS variants.\n")));
82 		return FALSE;
83 	}
84 
85 	return super::setup();
86 }
87 
88 BOOL
89 MIPSBoot::create()
90 {
91 	SYSTEM_INFO sysinfo;
92 	size_t pagesz;
93 	int shift;
94 	BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int);
95 	BOOL(*unlock_pages)(LPVOID, DWORD);
96 
97 	// Console
98 	if (args.console == CONSOLE_SERIAL) {
99 		_cons = MIPSConsole::Instance();
100 		if (!_cons->init()) {
101 			_cons = Console::Instance();
102 			DPRINTF((TEXT("use LCD console instead.\n")));
103 		}
104 	} else {
105 		_cons = Console::Instance();
106 	}
107 
108 	// Architercure dependent ops.
109 	switch(args.architecture) {
110 	default:
111 		DPRINTF((TEXT("unsupported architecture.\n")));
112 		return FALSE;
113 	case ARCHITECTURE_MIPS_TX3900:
114 		// FALLTHROUGH
115 	case ARCHITECTURE_MIPS_TX3920:
116 		_arch = new TX39XX(_cons, _mem, args.architecture);
117 		pagesz = 4096;
118 		shift = 0;
119 		break;
120 	case ARCHITECTURE_MIPS_VR41:
121 		_arch = new VR41XX(_cons, _mem);
122 		GetSystemInfo(&sysinfo);
123 		DPRINTF((TEXT("sysinfo.dwPageSize = %d\n"),
124 		    sysinfo.dwPageSize));
125 		pagesz = sysinfo.dwPageSize;
126 		shift = 4; // VR41 specific shift. for LockPages()
127 		break;
128 	}
129 	_arch->setDebug() = args.architectureDebug;
130 
131 	// Memory manager.
132 	// LockPages API exists in Windows CE 2.11 or later. check it.
133 	lock_pages = _arch->_load_LockPages();
134 	unlock_pages = _arch->_load_UnlockPages();
135 	if (lock_pages == 0 || unlock_pages == 0)
136 		args.memory = MEMORY_MANAGER_VIRTUALCOPY;
137 	else
138 		args.memory = MEMORY_MANAGER_LOCKPAGES;
139 
140 	switch(args.memory) {
141 	default:
142 		break;
143 	case MEMORY_MANAGER_SOFTMMU:
144 		// FALLTHROUGH
145 	case MEMORY_MANAGER_HARDMMU:
146 		DPRINTF((TEXT("unsupported memory address detection method.\n")));
147 		return FALSE;
148 	case MEMORY_MANAGER_LOCKPAGES:
149 		_mem = new MemoryManager_LockPages(lock_pages, unlock_pages,
150 		    _cons, pagesz, shift);
151 		break;
152 	case MEMORY_MANAGER_VIRTUALCOPY:
153 		_mem = new MemoryManager_VirtualCopy(_cons, pagesz);
154 		break;
155 	}
156 	_mem->setDebug() = args.memorymanagerDebug;
157 
158 
159 	// File Manager, Loader
160 	return super::create();
161 }
162