sh_boot.cpp revision 1.3 1 /* $NetBSD: sh_boot.cpp,v 1.3 2001/05/08 18:51:25 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()
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
77 return FALSE;
78
79 return super::setup();
80 }
81
82 BOOL
83 SHBoot::create()
84 {
85 BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int);
86 BOOL(*unlock_pages)(LPVOID, DWORD);
87
88 // Change console to serial if required.
89 if (args.console == CONSOLE_SERIAL) {
90 _cons = SHConsole::Instance();
91 if (!_cons->init()) {
92 _cons = Console::Instance();
93 DPRINTF((TEXT("use LCD console instead.\n")));
94 }
95 }
96
97 // Architecture dependent ops.
98 switch(args.architecture) {
99 default:
100 DPRINTF((TEXT("unsupported architecture.\n")));
101 return FALSE;
102 case ARCHITECTURE_SH3_7709:
103 _arch = new SH7709(_cons, _mem, SH7709::boot_func);
104 break;
105 case ARCHITECTURE_SH3_7709A:
106 _arch = new SH7709A(_cons, _mem, SH7709A::boot_func);
107 break;
108 }
109 _arch->setDebug() = args.architectureDebug;
110
111 lock_pages = _arch->_load_LockPages();
112 unlock_pages = _arch->_load_UnlockPages();
113 if (lock_pages == 0 || unlock_pages == 0)
114 args.memory = MEMORY_MANAGER_HARDMMU;
115 else
116 args.memory = MEMORY_MANAGER_LOCKPAGES;
117
118 // Memory manager.
119 switch(args.memory) {
120 default:
121 case MEMORY_MANAGER_VIRTUALCOPY:
122 // VirtualCopy method causes Windows CE unstable.
123 // FALLTHROUGH
124 case MEMORY_MANAGER_SOFTMMU:
125 DPRINTF((TEXT("unsupported address detection method.\n")));
126 return FALSE;
127 case MEMORY_MANAGER_HARDMMU:
128 _mem = new MemoryManager_SHMMU(_cons, PAGE_SIZE);
129 break;
130 case MEMORY_MANAGER_LOCKPAGES:
131 _mem = new MemoryManager_LockPages(lock_pages, unlock_pages,
132 _cons, PAGE_SIZE);
133 break;
134 }
135 _mem->setDebug() = args.memorymanagerDebug;
136
137 // File Manager, Loader
138 return super::create();
139 }
140