ArmSystem.py revision 8299:64a938a8b7fc
1# Copyright (c) 2009 ARM Limited
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3#
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24# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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35#
36# Authors: Ali Saidi
37
38from m5.params import *
39
40from System import System
41
42class ArmMachineType(Enum):
43    map = {'RealView_EB' : 827,
44           'RealView_PBX' : 1901 }
45
46class ArmSystem(System):
47    type = 'ArmSystem'
48    load_addr_mask = 0xffffffff
49    # 0x35 Implementor is '5' from "M5"
50    # 0x0 Variant
51    # 0xf Architecture from CPUID scheme
52    # 0xf00 Primary part number
53    # 0x0 Revision
54    midr_regval = Param.UInt32(0x350ff000, "MIDR value")
55    boot_loader = Param.String("", "File that contains the boot loader code if any")
56    boot_loader_mem = Param.PhysicalMemory(NULL,
57                          "Memory object that boot loader is to be loaded into")
58    gic_cpu_addr = Param.Addr(0, "Addres of the GIC CPU interface")
59    flags_addr = Param.Addr(0, "Address of the flags register for MP booting")
60
61class LinuxArmSystem(ArmSystem):
62    type = 'LinuxArmSystem'
63    load_addr_mask = 0x0fffffff
64    machine_type = Param.ArmMachineType('RealView_PBX',
65        "Machine id from http://www.arm.linux.org.uk/developer/machines/")
66
67
68