SparcSystem.py revision 8931 
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
29from m5.params import *
30
31from SimpleMemory import SimpleMemory
32from System import System
33
34class SparcSystem(System):
35    type = 'SparcSystem'
36    _rom_base = 0xfff0000000
37    _nvram_base = 0x1f11000000
38    _hypervisor_desc_base = 0x1f12080000
39    _partition_desc_base = 0x1f12000000
40    # ROM for OBP/Reset/Hypervisor
41    rom = Param.SimpleMemory(
42        SimpleMemory(range=AddrRange(_rom_base, size='8MB')),
43            "Memory to hold the ROM data")
44    # nvram
45    nvram = Param.SimpleMemory(
46        SimpleMemory(range=AddrRange(_nvram_base, size='8kB')),
47        "Memory to hold the nvram data")
48    # hypervisor description
49    hypervisor_desc = Param.SimpleMemory(
50        SimpleMemory(range=AddrRange(_hypervisor_desc_base, size='8kB')),
51        "Memory to hold the hypervisor description")
52    # partition description
53    partition_desc = Param.SimpleMemory(
54        SimpleMemory(range=AddrRange(_partition_desc_base, size='8kB')),
55        "Memory to hold the partition description")
56
57    reset_addr = Param.Addr(_rom_base, "Address to load ROM at")
58    hypervisor_addr = Param.Addr(Addr('64kB') + _rom_base,
59                                 "Address to load hypervisor at")
60    openboot_addr = Param.Addr(Addr('512kB') + _rom_base,
61                               "Address to load openboot at")
62    nvram_addr = Param.Addr(_nvram_base, "Address to put the nvram")
63    hypervisor_desc_addr = Param.Addr(_hypervisor_desc_base,
64            "Address for the hypervisor description")
65    partition_desc_addr = Param.Addr(_partition_desc_base,
66            "Address for the partition description")
67
68    reset_bin = Param.String("file that contains the reset code")
69    hypervisor_bin = Param.String("file that contains the hypervisor code")
70    openboot_bin = Param.String("file that contains the openboot code")
71    nvram_bin = Param.String("file that contains the contents of nvram")
72    hypervisor_desc_bin = Param.String("file that contains the hypervisor description")
73    partition_desc_bin = Param.String("file that contains the partition description")
74    load_addr_mask = 0xffffffffff
75