NetBSD/sys/arch/hpc/stand/hpcboot/sh3/sh_boot.cpp

138 lines
4.2 KiB
C++

/* $NetBSD: sh_boot.cpp,v 1.1 2001/02/09 18:35:17 uch Exp $ */
/*-
* Copyright (c) 2001 The NetBSD Foundation, Inc.
* All rights reserved.
*
* This code is derived from software contributed to The NetBSD Foundation
* by UCHIYAMA Yasushi.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the NetBSD
* Foundation, Inc. and its contributors.
* 4. Neither the name of The NetBSD Foundation nor the names of its
* contributors may be used to endorse or promote products derived
* from this software without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
* TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
* BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
* CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
* SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
* INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
* CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*/
#include <hpcboot.h>
#include <arch.h>
#include <memory.h>
#include <sh3/sh_arch.h>
#include <sh3/sh_mmu.h>
#include <sh3/sh_console.h>
#include <sh3/sh_boot.h>
SHBoot::SHBoot(void)
{
}
SHBoot::~SHBoot(void)
{
if (_mem)
delete _mem;
if (_arch)
delete _arch;
SHConsole::Destroy();
}
BOOL
SHBoot::setup(struct HpcMenuInterface::HpcMenuPreferences &pref)
{
platid_t platid;
platid.dw.dw0 = pref.platid_hi;
platid.dw.dw1 = pref.platid_lo;
if (platid_match(&platid, &platid_mask_CPU_SH_3_7709)) {
args.architecture = ARCHITECTURE_SH3_7709;
} else if (platid_match(&platid, &platid_mask_CPU_SH_3_7709A)) {
args.architecture = ARCHITECTURE_SH3_7709A;
} else
return FALSE;
return Boot::setup(pref);
}
BOOL
SHBoot::create(void)
{
BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int);
BOOL(*unlock_pages)(LPVOID, DWORD);
// Change console to serial if required.
if (args.console == CONSOLE_SERIAL) {
_cons = SHConsole::Instance();
if (!_cons->init()) {
_cons = Console::Instance();
DPRINTF((TEXT("use LCD console instead.\n")));
}
}
// Architecture dependent ops.
switch(args.architecture) {
default:
DPRINTF((TEXT("unsupported architecture.\n")));
return FALSE;
case ARCHITECTURE_SH3_7709:
_arch = new SH7709(_cons, _mem, SH7709::boot_func);
break;
case ARCHITECTURE_SH3_7709A:
_arch = new SH7709A(_cons, _mem, SH7709A::boot_func);
break;
}
_arch->setDebug() = args.architectureDebug;
lock_pages = _arch->_load_LockPages();
unlock_pages = _arch->_load_UnlockPages();
if (lock_pages == 0 || unlock_pages == 0)
args.memory = MEMORY_MANAGER_HARDMMU;
else
args.memory = MEMORY_MANAGER_LOCKPAGES;
// Memory manager.
switch(args.memory) {
default:
case MEMORY_MANAGER_VIRTUALCOPY:
// VirtualCopy method causes Windows CE unstable.
// FALLTHROUGH
case MEMORY_MANAGER_SOFTMMU:
DPRINTF((TEXT("unsupported address detection method.\n")));
return FALSE;
case MEMORY_MANAGER_HARDMMU:
_mem = new MemoryManager_SHMMU(_cons, PAGE_SIZE);
break;
case MEMORY_MANAGER_LOCKPAGES:
_mem = new MemoryManager_LockPages(lock_pages, unlock_pages,
_cons, PAGE_SIZE);
break;
}
_mem->setDebug() = args.memorymanagerDebug;
// File Manager, Loader
return Boot::create();
}