-# Copyright (c) 2009 ARM Limited
+# Copyright (c) 2009, 2012-2013, 2015 ARM Limited
# All rights reserved.
#
# The license below extends only to copyright in the software and shall
from System import System
class ArmMachineType(Enum):
- map = {'RealView_EB' : 827,
- 'RealView_PBX' : 1901,
- 'VExpress_ELT' : 2272,
- 'VExpress_CA9' : 2272,
- 'VExpress_EMM' : 2272}
+ map = {
+ 'RealViewEB' : 827,
+ 'RealViewPBX' : 1901,
+ 'VExpress_EMM' : 2272,
+ 'VExpress_EMM64' : 2272,
+ 'DTOnly' : -1,
+ }
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")
+ boot_loader = VectorParam.String([],
+ "File that contains the boot loader code. Zero or more files may be "
+ "specified. The first boot loader that matches the kernel's "
+ "architecture will be used.")
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")
+ have_security = Param.Bool(False,
+ "True if Security Extensions are implemented")
+ have_virtualization = Param.Bool(False,
+ "True if Virtualization Extensions are implemented")
+ have_lpae = Param.Bool(False, "True if LPAE is implemented")
+ highest_el_is_64 = Param.Bool(False,
+ "True if the register width of the highest implemented exception level "
+ "is 64 bits (ARMv8)")
+ reset_addr_64 = Param.Addr(0x0,
+ "Reset address if the highest implemented exception level is 64 bits "
+ "(ARMv8)")
+ phys_addr_range_64 = Param.UInt8(40,
+ "Supported physical address range in bits when using AArch64 (ARMv8)")
+ have_large_asid_64 = Param.Bool(False,
+ "True if ASID is 16 bits in AArch64 (ARMv8)")
-class LinuxArmSystem(ArmSystem):
- type = 'LinuxArmSystem'
+class GenericArmSystem(ArmSystem):
+ type = 'GenericArmSystem'
+ cxx_header = "arch/arm/system.hh"
load_addr_mask = 0x0fffffff
- machine_type = Param.ArmMachineType('RealView_PBX',
+ machine_type = Param.ArmMachineType('VExpress_EMM',
"Machine id from http://www.arm.linux.org.uk/developer/machines/")
- atags_addr = Param.Addr(0x100, "Address where default atags structure should be written")
- early_kernel_symbols = Param.Bool(False, "enable early kernel symbol tables before MMU")
+ atags_addr = Param.Addr("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")
+
+ panic_on_panic = Param.Bool(False, "Trigger a gem5 panic if the " \
+ "guest kernel panics")
+ panic_on_oops = Param.Bool(False, "Trigger a gem5 panic if the " \
+ "guest kernel oopses")
+
+class LinuxArmSystem(GenericArmSystem):
+ type = 'LinuxArmSystem'
+ cxx_header = "arch/arm/linux/system.hh"
+
+class FreebsdArmSystem(GenericArmSystem):
+ type = 'FreebsdArmSystem'
+ cxx_header = "arch/arm/freebsd/system.hh"