sys/arch/hpc/stand/hpcboot/mips/mips_boot.cpp

   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
  44 MIPSBoot::MIPSBoot()
  45 {
  46 }
  47
  48 MIPSBoot::~MIPSBoot()
  49 {
  50         if (_mem)
  51                 delete _mem;
  52         if (_arch)
  53                 delete _arch;
  54
  55         MIPSConsole::Destroy();
  56 }
  57
  58 BOOL
  59 MIPSBoot::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
  81 BOOL
  82 MIPSBoot::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 }