1/* -*-C++-*-	$NetBSD: mips_boot.cpp,v 1.7 2005/12/11 12:17:28 christos 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
44MIPSBoot::MIPSBoot()
45{
46}
47
48MIPSBoot::~MIPSBoot()
49{
50	if (_mem)
51		delete _mem;
52	if (_arch)
53		delete _arch;
54
55	MIPSConsole::Destroy();
56}
57
58BOOL
59MIPSBoot::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
81BOOL
82MIPSBoot::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