src/arch/sparc/SparcSystem.py

   1 # Copyright (c) 2007 The Regents of The University of Michigan
   2 # All rights reserved.
   3 #
   4 # Redistribution and use in source and binary forms, with or without
   5 # modification, are permitted provided that the following conditions are
   6 # met: redistributions of source code must retain the above copyright
   7 # notice, this list of conditions and the following disclaimer;
   8 # redistributions in binary form must reproduce the above copyright
   9 # notice, this list of conditions and the following disclaimer in the
  10 # documentation and/or other materials provided with the distribution;
  11 # neither the name of the copyright holders nor the names of its
  12 # contributors may be used to endorse or promote products derived from
  13 # this software without specific prior written permission.
  14 #
  15 # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
  16 # "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
  17 # LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
  18 # A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
  19 # OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  20 # SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
  21 # LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22 # DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23 # THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24 # (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
  25 # OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26 #
  27 # Authors: Nathan Binkert
  28
  29 from m5.params import *
  30
  31 from m5.objects.SimpleMemory import SimpleMemory
  32 from m5.objects.System import System
  33
  34 class SparcSystem(System):
  35     type = 'SparcSystem'
  36     cxx_header = 'arch/sparc/system.hh'
  37     _rom_base = 0xfff0000000
  38     _nvram_base = 0x1f11000000
  39     _hypervisor_desc_base = 0x1f12080000
  40     _partition_desc_base = 0x1f12000000
  41     # ROM for OBP/Reset/Hypervisor
  42     rom = Param.SimpleMemory(
  43         SimpleMemory(range=AddrRange(_rom_base, size='8MB')),
  44             "Memory to hold the ROM data")
  45     # nvram
  46     nvram = Param.SimpleMemory(
  47         SimpleMemory(range=AddrRange(_nvram_base, size='8kB')),
  48         "Memory to hold the nvram data")
  49     # hypervisor description
  50     hypervisor_desc = Param.SimpleMemory(
  51         SimpleMemory(range=AddrRange(_hypervisor_desc_base, size='8kB')),
  52         "Memory to hold the hypervisor description")
  53     # partition description
  54     partition_desc = Param.SimpleMemory(
  55         SimpleMemory(range=AddrRange(_partition_desc_base, size='8kB')),
  56         "Memory to hold the partition description")
  57
  58     reset_addr = Param.Addr(_rom_base, "Address to load ROM at")
  59     hypervisor_addr = Param.Addr(Addr('64kB') + _rom_base,
  60                                  "Address to load hypervisor at")
  61     openboot_addr = Param.Addr(Addr('512kB') + _rom_base,
  62                                "Address to load openboot at")
  63     nvram_addr = Param.Addr(_nvram_base, "Address to put the nvram")
  64     hypervisor_desc_addr = Param.Addr(_hypervisor_desc_base,
  65             "Address for the hypervisor description")
  66     partition_desc_addr = Param.Addr(_partition_desc_base,
  67             "Address for the partition description")
  68
  69     reset_bin = Param.String("file that contains the reset code")
  70     hypervisor_bin = Param.String("file that contains the hypervisor code")
  71     openboot_bin = Param.String("file that contains the openboot code")
  72     nvram_bin = Param.String("file that contains the contents of nvram")
  73     hypervisor_desc_bin = Param.String("file that contains the hypervisor description")
  74     partition_desc_bin = Param.String("file that contains the partition description")
  75     load_addr_mask = 0xffffffffff