ArmSystem.py revision 11538
111234Sandreas.sandberg@arm.com# Copyright (c) 2009, 2012-2013, 2015 ARM Limited 26757SAli.Saidi@ARM.com# All rights reserved. 36757SAli.Saidi@ARM.com# 47585SAli.Saidi@arm.com# The license below extends only to copyright in the software and shall 57585SAli.Saidi@arm.com# not be construed as granting a license to any other intellectual 67585SAli.Saidi@arm.com# property including but not limited to intellectual property relating 77585SAli.Saidi@arm.com# to a hardware implementation of the functionality of the software 87585SAli.Saidi@arm.com# licensed hereunder. You may use the software subject to the license 97585SAli.Saidi@arm.com# terms below provided that you ensure that this notice is replicated 107585SAli.Saidi@arm.com# unmodified and in its entirety in all distributions of the software, 117585SAli.Saidi@arm.com# modified or unmodified, in source code or in binary form. 127585SAli.Saidi@arm.com# 136757SAli.Saidi@ARM.com# Redistribution and use in source and binary forms, with or without 146757SAli.Saidi@ARM.com# modification, are permitted provided that the following conditions are 156757SAli.Saidi@ARM.com# met: redistributions of source code must retain the above copyright 166757SAli.Saidi@ARM.com# notice, this list of conditions and the following disclaimer; 176757SAli.Saidi@ARM.com# redistributions in binary form must reproduce the above copyright 186757SAli.Saidi@ARM.com# notice, this list of conditions and the following disclaimer in the 196757SAli.Saidi@ARM.com# documentation and/or other materials provided with the distribution; 206757SAli.Saidi@ARM.com# neither the name of the copyright holders nor the names of its 216757SAli.Saidi@ARM.com# contributors may be used to endorse or promote products derived from 226757SAli.Saidi@ARM.com# this software without specific prior written permission. 236757SAli.Saidi@ARM.com# 246757SAli.Saidi@ARM.com# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 256757SAli.Saidi@ARM.com# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 266757SAli.Saidi@ARM.com# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 276757SAli.Saidi@ARM.com# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 286757SAli.Saidi@ARM.com# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 296757SAli.Saidi@ARM.com# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 306757SAli.Saidi@ARM.com# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 316757SAli.Saidi@ARM.com# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 326757SAli.Saidi@ARM.com# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 336757SAli.Saidi@ARM.com# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 346757SAli.Saidi@ARM.com# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 356757SAli.Saidi@ARM.com# 366757SAli.Saidi@ARM.com# Authors: Ali Saidi 376757SAli.Saidi@ARM.com 386757SAli.Saidi@ARM.comfrom m5.params import * 396757SAli.Saidi@ARM.com 406757SAli.Saidi@ARM.comfrom System import System 416757SAli.Saidi@ARM.com 427585SAli.Saidi@arm.comclass ArmMachineType(Enum): 4311238Sandreas.sandberg@arm.com map = { 4411238Sandreas.sandberg@arm.com 'RealViewEB' : 827, 4511238Sandreas.sandberg@arm.com 'RealViewPBX' : 1901, 4611238Sandreas.sandberg@arm.com 'VExpress_EMM' : 2272, 4711238Sandreas.sandberg@arm.com 'VExpress_EMM64' : 2272, 4811238Sandreas.sandberg@arm.com 'DTOnly' : -1, 4911238Sandreas.sandberg@arm.com } 507585SAli.Saidi@arm.com 516757SAli.Saidi@ARM.comclass ArmSystem(System): 526757SAli.Saidi@ARM.com type = 'ArmSystem' 539338SAndreas.Sandberg@arm.com cxx_header = "arch/arm/system.hh" 547580SAli.Saidi@arm.com load_addr_mask = 0xffffffff 559050Schander.sudanthi@arm.com multi_proc = Param.Bool(True, "Multiprocessor system?") 5611234Sandreas.sandberg@arm.com boot_loader = VectorParam.String([], 5711234Sandreas.sandberg@arm.com "File that contains the boot loader code. Zero or more files may be " 5811234Sandreas.sandberg@arm.com "specified. The first boot loader that matches the kernel's " 5911234Sandreas.sandberg@arm.com "architecture will be used.") 608286SAli.Saidi@ARM.com gic_cpu_addr = Param.Addr(0, "Addres of the GIC CPU interface") 618286SAli.Saidi@ARM.com flags_addr = Param.Addr(0, "Address of the flags register for MP booting") 6210037SARM gem5 Developers have_security = Param.Bool(False, 6310037SARM gem5 Developers "True if Security Extensions are implemented") 6410037SARM gem5 Developers have_virtualization = Param.Bool(False, 6510037SARM gem5 Developers "True if Virtualization Extensions are implemented") 6611506Sandreas.sandberg@arm.com have_lpae = Param.Bool(True, "True if LPAE is implemented") 6710037SARM gem5 Developers highest_el_is_64 = Param.Bool(False, 6810037SARM gem5 Developers "True if the register width of the highest implemented exception level " 6910037SARM gem5 Developers "is 64 bits (ARMv8)") 7010317Smitch.hayenga@arm.com reset_addr_64 = Param.Addr(0x0, 7110037SARM gem5 Developers "Reset address if the highest implemented exception level is 64 bits " 7210037SARM gem5 Developers "(ARMv8)") 7310037SARM gem5 Developers phys_addr_range_64 = Param.UInt8(40, 7410037SARM gem5 Developers "Supported physical address range in bits when using AArch64 (ARMv8)") 7510037SARM gem5 Developers have_large_asid_64 = Param.Bool(False, 7610037SARM gem5 Developers "True if ASID is 16 bits in AArch64 (ARMv8)") 776757SAli.Saidi@ARM.com 7810810Sbr@bsdpad.comclass GenericArmSystem(ArmSystem): 7910810Sbr@bsdpad.com type = 'GenericArmSystem' 8010810Sbr@bsdpad.com cxx_header = "arch/arm/system.hh" 817585SAli.Saidi@arm.com load_addr_mask = 0x0fffffff 8210512SAli.Saidi@ARM.com machine_type = Param.ArmMachineType('VExpress_EMM', 837585SAli.Saidi@arm.com "Machine id from http://www.arm.linux.org.uk/developer/machines/") 8410037SARM gem5 Developers atags_addr = Param.Addr("Address where default atags structure should " \ 8510037SARM gem5 Developers "be written") 869261Sdam.sunwoo@arm.com dtb_filename = Param.String("", 879261Sdam.sunwoo@arm.com "File that contains the Device Tree Blob. Don't use DTB if empty.") 889261Sdam.sunwoo@arm.com early_kernel_symbols = Param.Bool(False, 899261Sdam.sunwoo@arm.com "enable early kernel symbol tables before MMU") 909332Sdam.sunwoo@arm.com enable_context_switch_stats_dump = Param.Bool(False, "enable stats/task info dumping at context switch boundaries") 919649SAndreas.Sandberg@ARM.com 929649SAndreas.Sandberg@ARM.com panic_on_panic = Param.Bool(False, "Trigger a gem5 panic if the " \ 939649SAndreas.Sandberg@ARM.com "guest kernel panics") 949649SAndreas.Sandberg@ARM.com panic_on_oops = Param.Bool(False, "Trigger a gem5 panic if the " \ 959649SAndreas.Sandberg@ARM.com "guest kernel oopses") 9610810Sbr@bsdpad.com 9710810Sbr@bsdpad.comclass LinuxArmSystem(GenericArmSystem): 9810810Sbr@bsdpad.com type = 'LinuxArmSystem' 9910810Sbr@bsdpad.com cxx_header = "arch/arm/linux/system.hh" 10010810Sbr@bsdpad.com 10111538Sandreas.sandberg@arm.com @classmethod 10211538Sandreas.sandberg@arm.com def export_method_cxx_predecls(cls, code): 10311538Sandreas.sandberg@arm.com code('#include "arch/arm/linux/system.hh"') 10411538Sandreas.sandberg@arm.com 10511538Sandreas.sandberg@arm.com @classmethod 10611538Sandreas.sandberg@arm.com def export_methods(cls, code): 10711538Sandreas.sandberg@arm.com code('''void dumpDmesg();''') 10811538Sandreas.sandberg@arm.com 10910810Sbr@bsdpad.comclass FreebsdArmSystem(GenericArmSystem): 11010810Sbr@bsdpad.com type = 'FreebsdArmSystem' 11110810Sbr@bsdpad.com cxx_header = "arch/arm/freebsd/system.hh" 112