src/arch/sparc/system.cc

   1 /*
   2  * Copyright (c) 2002-2006 The Regents of The University of Michigan
   3  * All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions are
   7  * met: redistributions of source code must retain the above copyright
   8  * notice, this list of conditions and the following disclaimer;
   9  * redistributions in binary form must reproduce the above copyright
  10  * notice, this list of conditions and the following disclaimer in the
  11  * documentation and/or other materials provided with the distribution;
  12  * neither the name of the copyright holders nor the names of its
  13  * contributors may be used to endorse or promote products derived from
  14  * this software without specific prior written permission.
  15  *
  16  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  17  * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  18  * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  19  * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  20  * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  21  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  22  * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  26  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  27  *
  28  * Authors: Ali Saidi
  29  */
  30
  31 #include "arch/sparc/system.hh"
  32
  33 #include "arch/vtophys.hh"
  34 #include "base/loader/object_file.hh"
  35 #include "base/loader/symtab.hh"
  36 #include "base/trace.hh"
  37 #include "mem/physical.hh"
  38 #include "params/SparcSystem.hh"
  39 #include "sim/byteswap.hh"
  40
  41 using namespace BigEndianGuest;
  42
  43 SparcSystem::SparcSystem(Params *p)
  44     : System(p), sysTick(0)
  45 {
  46     resetSymtab = new SymbolTable;
  47     hypervisorSymtab = new SymbolTable;
  48     openbootSymtab = new SymbolTable;
  49     nvramSymtab = new SymbolTable;
  50     hypervisorDescSymtab = new SymbolTable;
  51     partitionDescSymtab = new SymbolTable;
  52
  53     /**
  54      * Load the boot code, and hypervisor into memory.
  55      */
  56     // Read the reset binary
  57     reset = createObjectFile(params()->reset_bin, true);
  58     if (reset == NULL)
  59         fatal("Could not load reset binary %s", params()->reset_bin);
  60
  61     // Read the openboot binary
  62     openboot = createObjectFile(params()->openboot_bin, true);
  63     if (openboot == NULL)
  64         fatal("Could not load openboot bianry %s", params()->openboot_bin);
  65
  66     // Read the hypervisor binary
  67     hypervisor = createObjectFile(params()->hypervisor_bin, true);
  68     if (hypervisor == NULL)
  69         fatal("Could not load hypervisor binary %s", params()->hypervisor_bin);
  70
  71     // Read the nvram image
  72     nvram = createObjectFile(params()->nvram_bin, true);
  73     if (nvram == NULL)
  74         fatal("Could not load nvram image %s", params()->nvram_bin);
  75
  76     // Read the hypervisor description image
  77     hypervisor_desc = createObjectFile(params()->hypervisor_desc_bin, true);
  78     if (hypervisor_desc == NULL)
  79         fatal("Could not load hypervisor description image %s",
  80                 params()->hypervisor_desc_bin);
  81
  82     // Read the partition description image
  83     partition_desc = createObjectFile(params()->partition_desc_bin, true);
  84     if (partition_desc == NULL)
  85         fatal("Could not load partition description image %s",
  86                 params()->partition_desc_bin);
  87
  88     // load symbols
  89     if (!reset->loadGlobalSymbols(resetSymtab))
  90         panic("could not load reset symbols\n");
  91
  92     if (!openboot->loadGlobalSymbols(openbootSymtab))
  93         panic("could not load openboot symbols\n");
  94
  95     if (!hypervisor->loadLocalSymbols(hypervisorSymtab))
  96         panic("could not load hypervisor symbols\n");
  97
  98     if (!nvram->loadLocalSymbols(nvramSymtab))
  99         panic("could not load nvram symbols\n");
 100
 101     if (!hypervisor_desc->loadLocalSymbols(hypervisorDescSymtab))
 102         panic("could not load hypervisor description symbols\n");
 103
 104     if (!partition_desc->loadLocalSymbols(partitionDescSymtab))
 105         panic("could not load partition description symbols\n");
 106
 107     // load symbols into debug table
 108     if (!reset->loadGlobalSymbols(debugSymbolTable))
 109         panic("could not load reset symbols\n");
 110
 111     if (!openboot->loadGlobalSymbols(debugSymbolTable))
 112         panic("could not load openboot symbols\n");
 113
 114     if (!hypervisor->loadLocalSymbols(debugSymbolTable))
 115         panic("could not load hypervisor symbols\n");
 116
 117     // Strip off the rom address so when the hypervisor is copied into memory we
 118     // have symbols still
 119     if (!hypervisor->loadLocalSymbols(debugSymbolTable, 0, 0, 0xFFFFFF))
 120         panic("could not load hypervisor symbols\n");
 121
 122     if (!nvram->loadGlobalSymbols(debugSymbolTable))
 123         panic("could not load reset symbols\n");
 124
 125     if (!hypervisor_desc->loadGlobalSymbols(debugSymbolTable))
 126         panic("could not load hypervisor description symbols\n");
 127
 128     if (!partition_desc->loadLocalSymbols(debugSymbolTable))
 129         panic("could not load partition description symbols\n");
 130
 131 }
 132
 133 void
 134 SparcSystem::initState()
 135 {
 136     // Call the initialisation of the super class
 137     System::initState();
 138
 139     // Load reset binary into memory
 140     reset->setTextBase(params()->reset_addr);
 141     reset->loadSections(physProxy);
 142     // Load the openboot binary
 143     openboot->setTextBase(params()->openboot_addr);
 144     openboot->loadSections(physProxy);
 145     // Load the hypervisor binary
 146     hypervisor->setTextBase(params()->hypervisor_addr);
 147     hypervisor->loadSections(physProxy);
 148     // Load the nvram image
 149     nvram->setTextBase(params()->nvram_addr);
 150     nvram->loadSections(physProxy);
 151     // Load the hypervisor description image
 152     hypervisor_desc->setTextBase(params()->hypervisor_desc_addr);
 153     hypervisor_desc->loadSections(physProxy);
 154     // Load the partition description image
 155     partition_desc->setTextBase(params()->partition_desc_addr);
 156     partition_desc->loadSections(physProxy);
 157
 158
 159     // @todo any fixup code over writing data in binaries on setting break
 160     // events on functions should happen here.
 161
 162 }
 163
 164 SparcSystem::~SparcSystem()
 165 {
 166     delete resetSymtab;
 167     delete hypervisorSymtab;
 168     delete openbootSymtab;
 169     delete nvramSymtab;
 170     delete hypervisorDescSymtab;
 171     delete partitionDescSymtab;
 172     delete reset;
 173     delete openboot;
 174     delete hypervisor;
 175     delete nvram;
 176     delete hypervisor_desc;
 177     delete partition_desc;
 178 }
 179
 180 void
 181 SparcSystem::serializeSymtab(CheckpointOut &cp) const
 182 {
 183     resetSymtab->serialize("reset_symtab", cp);
 184     hypervisorSymtab->serialize("hypervisor_symtab", cp);
 185     openbootSymtab->serialize("openboot_symtab", cp);
 186     nvramSymtab->serialize("nvram_symtab", cp);
 187     hypervisorDescSymtab->serialize("hypervisor_desc_symtab", cp);
 188     partitionDescSymtab->serialize("partition_desc_symtab", cp);
 189 }
 190
 191
 192 void
 193 SparcSystem::unserializeSymtab(CheckpointIn &cp)
 194 {
 195     resetSymtab->unserialize("reset_symtab", cp);
 196     hypervisorSymtab->unserialize("hypervisor_symtab", cp);
 197     openbootSymtab->unserialize("openboot_symtab", cp);
 198     nvramSymtab->unserialize("nvram_symtab", cp);
 199     hypervisorDescSymtab->unserialize("hypervisor_desc_symtab", cp);
 200     partitionDescSymtab->unserialize("partition_desc_symtab", cp);
 201 }
 202
 203 SparcSystem *
 204 SparcSystemParams::create()
 205 {
 206     return new SparcSystem(this);
 207 }