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/* -*-C++-*- $NetBSD: mips_boot.cpp,v 1.8 2008/04/28 20:23:20 martin 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.
*
* 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 <console.h>
#include <arch.h>
#include <memory.h>
#include <mips/mips_arch.h>
#include <mips/mips_boot.h>
#include <mips/mips_vr41.h>
#include <mips/mips_tx39.h>
#include <mips/mips_console.h>
MIPSBoot::MIPSBoot()
{
}
MIPSBoot::~MIPSBoot()
{
if (_mem)
delete _mem;
if (_arch)
delete _arch;
MIPSConsole::Destroy();
}
BOOL
MIPSBoot::setup()
{
struct HpcMenuInterface::HpcMenuPreferences &pref = HPC_PREFERENCE;
platid_t platid;
platid.dw.dw0 = pref.platid_hi;
platid.dw.dw1 = pref.platid_lo;
if (platid_match(&platid, &platid_mask_CPU_MIPS_VR)) {
args.architecture = ARCHITECTURE_MIPS_VR41;
} else if (platid_match(&platid, &platid_mask_CPU_MIPS_TX_3900)) {
args.architecture = ARCHITECTURE_MIPS_TX3900;
} else if (platid_match(&platid, &platid_mask_CPU_MIPS_TX_3920)) {
args.architecture = ARCHITECTURE_MIPS_TX3920;
} else {
DPRINTF((TEXT("unknown MIPS variants.\n")));
return FALSE;
}
return super::setup();
}
BOOL
MIPSBoot::create()
{
SYSTEM_INFO sysinfo;
size_t pagesz;
int shift;
BOOL(*lock_pages)(LPVOID, DWORD, PDWORD, int);
BOOL(*unlock_pages)(LPVOID, DWORD);
// Console
if (args.console == CONSOLE_SERIAL) {
_cons = MIPSConsole::Instance();
if (!_cons->init()) {
_cons = Console::Instance();
DPRINTF((TEXT("use LCD console instead.\n")));
}
} else {
_cons = Console::Instance();
}
// Architercure dependent ops.
switch(args.architecture) {
default:
DPRINTF((TEXT("unsupported architecture.\n")));
return FALSE;
case ARCHITECTURE_MIPS_TX3900:
// FALLTHROUGH
case ARCHITECTURE_MIPS_TX3920:
_arch = new TX39XX(_cons, _mem, args.architecture);
pagesz = 4096;
shift = 0;
break;
case ARCHITECTURE_MIPS_VR41:
_arch = new VR41XX(_cons, _mem);
GetSystemInfo(&sysinfo);
DPRINTF((TEXT("sysinfo.dwPageSize = %d\n"),
sysinfo.dwPageSize));
pagesz = sysinfo.dwPageSize;
shift = 4; // VR41 specific shift. for LockPages()
break;
}
_arch->setDebug() = args.architectureDebug;
// Memory manager.
// LockPages API exists in Windows CE 2.11 or later. check it.
lock_pages = _arch->_load_LockPages();
unlock_pages = _arch->_load_UnlockPages();
if (lock_pages == 0 || unlock_pages == 0)
args.memory = MEMORY_MANAGER_VIRTUALCOPY;
else
args.memory = MEMORY_MANAGER_LOCKPAGES;
switch(args.memory) {
default:
break;
case MEMORY_MANAGER_SOFTMMU:
// FALLTHROUGH
case MEMORY_MANAGER_HARDMMU:
DPRINTF((TEXT("unsupported memory address detection method.\n")));
return FALSE;
case MEMORY_MANAGER_LOCKPAGES:
_mem = new MemoryManager_LockPages(lock_pages, unlock_pages,
_cons, pagesz, shift);
break;
case MEMORY_MANAGER_VIRTUALCOPY:
_mem = new MemoryManager_VirtualCopy(_cons, pagesz);
break;
}
_mem->setDebug() = args.memorymanagerDebug;
// File Manager, Loader
return super::create();
}
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