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      1 /*	$NetBSD: sh_boot.cpp,v 1.10 2008/04/28 20:23:20 martin Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2001, 2002, 2004 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 
     34 #include <arch.h>
     35 #include <memory.h>
     36 
     37 #include <sh3/sh_arch.h>
     38 #include <sh3/sh_mmu.h>
     39 #include <sh3/sh_console.h>
     40 #include <sh3/sh_boot.h>
     41 
     42 SHBoot::SHBoot()
     43 {
     44 }
     45 
     46 SHBoot::~SHBoot()
     47 {
     48 	if (_mem)
     49 		delete _mem;
     50 	if (_arch)
     51 		delete _arch;
     52 
     53 	SHConsole::Destroy();
     54 }
     55 
     56 BOOL
     57 SHBoot::setup()
     58 {
     59 	struct HpcMenuInterface::HpcMenuPreferences &pref = HPC_PREFERENCE;
     60 
     61 	platid_t platid;
     62 	platid.dw.dw0 = pref.platid_hi;
     63 	platid.dw.dw1 = pref.platid_lo;
     64 
     65 	if (platid_match(&platid, &platid_mask_CPU_SH_3_7707)) {
     66 		args.architecture = ARCHITECTURE_SH3_7707;
     67 	} else if (platid_match(&platid, &platid_mask_CPU_SH_3_7709)) {
     68 		args.architecture = ARCHITECTURE_SH3_7709;
     69 	} else if (platid_match(&platid, &platid_mask_CPU_SH_3_7709A)) {
     70 		args.architecture = ARCHITECTURE_SH3_7709A;
     71 	} else if (platid_match(&platid, &platid_mask_CPU_SH_4_7750)) {
     72 		args.architecture = ARCHITECTURE_SH4_7750;
     73 	} else {
     74 		DPRINTF((TEXT("CPU not supported.")));
     75 		return FALSE;
     76 	}
     77 
     78 	return super::setup();
     79 }
     80 
     81 BOOL
     82 SHBoot::create()
     83 {
     84 	BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int);
     85 	BOOL(*unlock_pages)(LPVOID, DWORD);
     86 	size_t page_size;
     87 
     88 	// Setup console. this setting is passed to kernel bootinfo.
     89 	if (args.console == CONSOLE_SERIAL) {
     90 		_cons = new SHConsole;
     91 		if (!_cons->init()) {
     92 			_cons = Console::Instance();
     93 			DPRINTF((TEXT("use LCD console instead.\n")));
     94 		}
     95 	} else {
     96 		_cons = Console::Instance();
     97 		SHConsole::selectBootConsole(*_cons, SHConsole::VIDEO);
     98 	}
     99 
    100 	// Architecture dependent ops.
    101 	switch(args.architecture) {
    102 	default:
    103 		DPRINTF((TEXT("unsupported architecture.\n")));
    104 		return FALSE;
    105 	case ARCHITECTURE_SH3_7707:
    106 		_arch = new SH7707(_cons, _mem, SH7707::boot_func);
    107 		page_size = SH3_PAGE_SIZE;
    108 		if (SHArchitecture::cpu_type() != 3)
    109 			goto cpu_mismatch;
    110 		break;
    111 	case ARCHITECTURE_SH3_7709:
    112 		_arch = new SH7709(_cons, _mem, SH7709::boot_func);
    113 		page_size = SH3_PAGE_SIZE;
    114 		if (SHArchitecture::cpu_type() != 3)
    115 			goto cpu_mismatch;
    116 		break;
    117 	case ARCHITECTURE_SH3_7709A:
    118 		_arch = new SH7709A(_cons, _mem, SH7709A::boot_func);
    119 		page_size = SH3_PAGE_SIZE;
    120 		if (SHArchitecture::cpu_type() != 3)
    121 			goto cpu_mismatch;
    122 		break;
    123 	case ARCHITECTURE_SH4_7750:
    124 		_arch = new SH7750(_cons, _mem, SH7750::boot_func);
    125 		page_size = SH4_PAGE_SIZE;
    126 		if (SHArchitecture::cpu_type() != 4)
    127 			goto cpu_mismatch;
    128 		break;
    129 	}
    130 	_arch->setDebug() = args.architectureDebug;
    131 
    132 	lock_pages = _arch->_load_LockPages();
    133 	unlock_pages = _arch->_load_UnlockPages();
    134 	if (lock_pages == 0 || unlock_pages == 0)
    135 		args.memory = MEMORY_MANAGER_HARDMMU;
    136 	else
    137 		args.memory = MEMORY_MANAGER_LOCKPAGES;
    138 
    139 	// Memory manager.
    140 	switch(args.memory) {
    141 	default:
    142 	case MEMORY_MANAGER_VIRTUALCOPY:
    143 		// VirtualCopy method causes Windows CE unstable.
    144 		/* FALLTHROUGH */
    145 	case MEMORY_MANAGER_SOFTMMU:
    146 		DPRINTF((TEXT("unsupported address detection method.\n")));
    147 		return FALSE;
    148 	case MEMORY_MANAGER_HARDMMU:
    149 		if (args.architecture == ARCHITECTURE_SH4_7750) {
    150 			DPRINTF((TEXT("No SH4 MMU code.\n")));
    151 			return FALSE;
    152 		}
    153 
    154 		_mem = new MemoryManager_SHMMU(_cons, page_size);
    155 		break;
    156 	case MEMORY_MANAGER_LOCKPAGES:
    157 		_mem = new MemoryManager_LockPages(lock_pages, unlock_pages,
    158 		    _cons, page_size);
    159 		break;
    160 	}
    161 	_mem->setDebug() = args.memorymanagerDebug;
    162 
    163 	// File Manager, Loader
    164 	return super::create();
    165 
    166  cpu_mismatch:
    167 	DPRINTF((TEXT("CPU mismatch. CPU is SH%d\n"),
    168 	    SHArchitecture::cpu_type()));
    169 
    170 	return FALSE;
    171 }
    172