1 /* -*-C++-*- $NetBSD: mips_boot.cpp,v 1.8 2008/04/28 20:23:20 martin 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 *
19 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
20 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
21 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
22 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
23 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
24 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
25 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
26 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
27 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
28 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
29 * POSSIBILITY OF SUCH DAMAGE.
30 */
31
32 #include <hpcboot.h>
33 #include <console.h>
34
35 #include <arch.h>
36 #include <memory.h>
37
38 #include <mips/mips_arch.h>
39 #include <mips/mips_boot.h>
40 #include <mips/mips_vr41.h>
41 #include <mips/mips_tx39.h>
42 #include <mips/mips_console.h>
43
MIPSBoot()44 MIPSBoot::MIPSBoot()
45 {
46 }
47
~MIPSBoot()48 MIPSBoot::~MIPSBoot()
49 {
50 if (_mem)
51 delete _mem;
52 if (_arch)
53 delete _arch;
54
55 MIPSConsole::Destroy();
56 }
57
58 BOOL
setup()59 MIPSBoot::setup()
60 {
61 struct HpcMenuInterface::HpcMenuPreferences &pref = HPC_PREFERENCE;
62
63 platid_t platid;
64 platid.dw.dw0 = pref.platid_hi;
65 platid.dw.dw1 = pref.platid_lo;
66
67 if (platid_match(&platid, &platid_mask_CPU_MIPS_VR)) {
68 args.architecture = ARCHITECTURE_MIPS_VR41;
69 } else if (platid_match(&platid, &platid_mask_CPU_MIPS_TX_3900)) {
70 args.architecture = ARCHITECTURE_MIPS_TX3900;
71 } else if (platid_match(&platid, &platid_mask_CPU_MIPS_TX_3920)) {
72 args.architecture = ARCHITECTURE_MIPS_TX3920;
73 } else {
74 DPRINTF((TEXT("unknown MIPS variants.\n")));
75 return FALSE;
76 }
77
78 return super::setup();
79 }
80
81 BOOL
create()82 MIPSBoot::create()
83 {
84 SYSTEM_INFO sysinfo;
85 size_t pagesz;
86 int shift;
87 BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int);
88 BOOL(*unlock_pages)(LPVOID, DWORD);
89
90 // Console
91 if (args.console == CONSOLE_SERIAL) {
92 _cons = MIPSConsole::Instance();
93 if (!_cons->init()) {
94 _cons = Console::Instance();
95 DPRINTF((TEXT("use LCD console instead.\n")));
96 }
97 } else {
98 _cons = Console::Instance();
99 }
100
101 // Architercure dependent ops.
102 switch(args.architecture) {
103 default:
104 DPRINTF((TEXT("unsupported architecture.\n")));
105 return FALSE;
106 case ARCHITECTURE_MIPS_TX3900:
107 // FALLTHROUGH
108 case ARCHITECTURE_MIPS_TX3920:
109 _arch = new TX39XX(_cons, _mem, args.architecture);
110 pagesz = 4096;
111 shift = 0;
112 break;
113 case ARCHITECTURE_MIPS_VR41:
114 _arch = new VR41XX(_cons, _mem);
115 GetSystemInfo(&sysinfo);
116 DPRINTF((TEXT("sysinfo.dwPageSize = %d\n"),
117 sysinfo.dwPageSize));
118 pagesz = sysinfo.dwPageSize;
119 shift = 4; // VR41 specific shift. for LockPages()
120 break;
121 }
122 _arch->setDebug() = args.architectureDebug;
123
124 // Memory manager.
125 // LockPages API exists in Windows CE 2.11 or later. check it.
126 lock_pages = _arch->_load_LockPages();
127 unlock_pages = _arch->_load_UnlockPages();
128 if (lock_pages == 0 || unlock_pages == 0)
129 args.memory = MEMORY_MANAGER_VIRTUALCOPY;
130 else
131 args.memory = MEMORY_MANAGER_LOCKPAGES;
132
133 switch(args.memory) {
134 default:
135 break;
136 case MEMORY_MANAGER_SOFTMMU:
137 // FALLTHROUGH
138 case MEMORY_MANAGER_HARDMMU:
139 DPRINTF((TEXT("unsupported memory address detection method.\n")));
140 return FALSE;
141 case MEMORY_MANAGER_LOCKPAGES:
142 _mem = new MemoryManager_LockPages(lock_pages, unlock_pages,
143 _cons, pagesz, shift);
144 break;
145 case MEMORY_MANAGER_VIRTUALCOPY:
146 _mem = new MemoryManager_VirtualCopy(_cons, pagesz);
147 break;
148 }
149 _mem->setDebug() = args.memorymanagerDebug;
150
151 // File Manager, Loader
152 return super::create();
153 }
154