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# Copyright (c) 2009 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
# not be construed as granting a license to any other intellectual
# property including but not limited to intellectual property relating
# to a hardware implementation of the functionality of the software
# licensed hereunder. You may use the software subject to the license
# terms below provided that you ensure that this notice is replicated
# unmodified and in its entirety in all distributions of the software,
# modified or unmodified, in source code or in binary form.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions are
# met: redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer;
# 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;
# neither the name of the copyright holders nor the names of its
# contributors may be used to endorse or promote products derived from
# this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS 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 COPYRIGHT
# OWNER 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.
#
# Authors: Ali Saidi
from m5.params import *
from System import System
class ArmMachineType(Enum):
map = {'RealView_EB' : 827,
'RealView_PBX' : 1901,
'VExpress_ELT' : 2272,
'VExpress_CA9' : 2272,
'VExpress_EMM' : 2272}
class ArmSystem(System):
type = 'ArmSystem'
cxx_header = "arch/arm/system.hh"
load_addr_mask = 0xffffffff
# 0x35 Implementor is '5' from "M5"
# 0x0 Variant
# 0xf Architecture from CPUID scheme
# 0xc00 Primary part number ("c" or higher implies ARM v7)
# 0x0 Revision
midr_regval = Param.UInt32(0x350fc000, "MIDR value")
multi_proc = Param.Bool(True, "Multiprocessor system?")
boot_loader = Param.String("", "File that contains the boot loader code if any")
gic_cpu_addr = Param.Addr(0, "Addres of the GIC CPU interface")
flags_addr = Param.Addr(0, "Address of the flags register for MP booting")
class LinuxArmSystem(ArmSystem):
type = 'LinuxArmSystem'
cxx_header = "arch/arm/linux/system.hh"
load_addr_mask = 0x0fffffff
machine_type = Param.ArmMachineType('RealView_PBX',
"Machine id from http://www.arm.linux.org.uk/developer/machines/")
atags_addr = Param.Addr(0x100,
"Address where default atags structure should be written")
dtb_filename = Param.String("",
"File that contains the Device Tree Blob. Don't use DTB if empty.")
early_kernel_symbols = Param.Bool(False,
"enable early kernel symbol tables before MMU")
enable_context_switch_stats_dump = Param.Bool(False, "enable stats/task info dumping at context switch boundaries")
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