1# Copyright (c) 2012-2013, 2015-2016 ARM Limited
2# All rights reserved.
3#
4# The license below extends only to copyright in the software and shall
5# not be construed as granting a license to any other intellectual
6# property including but not limited to intellectual property relating
7# to a hardware implementation of the functionality of the software
8# licensed hereunder. You may use the software subject to the license
9# terms below provided that you ensure that this notice is replicated
10# unmodified and in its entirety in all distributions of the software,
11# modified or unmodified, in source code or in binary form.
12#
13# Redistribution and use in source and binary forms, with or without
14# modification, are permitted provided that the following conditions are
15# met: redistributions of source code must retain the above copyright
16# notice, this list of conditions and the following disclaimer;
17# redistributions in binary form must reproduce the above copyright
18# notice, this list of conditions and the following disclaimer in the
19# documentation and/or other materials provided with the distribution;
20# neither the name of the copyright holders nor the names of its
21# contributors may be used to endorse or promote products derived from
22# this software without specific prior written permission.
23#
24# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
25# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
26# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
27# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
28# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
29# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
30# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
31# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
32# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
33# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
34# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
35#
36# Authors: Andreas Sandberg
37# Giacomo Gabrielli
38
39from m5.params import *
40from m5.proxy import *
41from m5.SimObject import SimObject
42
43from ArmPMU import ArmPMU
44
45# Enum for DecoderFlavour
46class DecoderFlavour(Enum): vals = ['Generic']
47
48class ArmISA(SimObject):
49 type = 'ArmISA'
50 cxx_class = 'ArmISA::ISA'
51 cxx_header = "arch/arm/isa.hh"
52
53 system = Param.System(Parent.any, "System this ISA object belongs to")
54
55 pmu = Param.ArmPMU(NULL, "Performance Monitoring Unit")
56 decoderFlavour = Param.DecoderFlavour('Generic', "Decoder flavour specification")
57
58 midr = Param.UInt32(0x410fc0f0, "MIDR value")
59
60 # See section B4.1.89 - B4.1.92 of the ARM ARM
61 # VMSAv7 support
62 id_mmfr0 = Param.UInt32(0x10201103, "Memory Model Feature Register 0")
63 id_mmfr1 = Param.UInt32(0x00000000, "Memory Model Feature Register 1")
64 # no HW access | WFI stalling | ISB and DSB |
65 # all TLB maintenance | no Harvard
66 id_mmfr2 = Param.UInt32(0x01230000, "Memory Model Feature Register 2")
67 # SuperSec | Coherent TLB | Bcast Maint |
68 # BP Maint | Cache Maint Set/way | Cache Maint MVA
69 id_mmfr3 = Param.UInt32(0x02102211, "Memory Model Feature Register 3")
70
71 # See section B4.1.84 of ARM ARM
72 # All values are latest for ARMv7-A profile
73 id_isar0 = Param.UInt32(0x02101111, "Instruction Set Attribute Register 0")
74 id_isar1 = Param.UInt32(0x02112111, "Instruction Set Attribute Register 1")
75 id_isar2 = Param.UInt32(0x21232141, "Instruction Set Attribute Register 2")
76 id_isar3 = Param.UInt32(0x01112131, "Instruction Set Attribute Register 3")
77 id_isar4 = Param.UInt32(0x10010142, "Instruction Set Attribute Register 4")
78 id_isar5 = Param.UInt32(0x00000000, "Instruction Set Attribute Register 5")
79
80 fpsid = Param.UInt32(0x410430a0, "Floating-point System ID Register")
81
82 # [31:0] is implementation defined
83 id_aa64afr0_el1 = Param.UInt64(0x0000000000000000,
84 "AArch64 Auxiliary Feature Register 0")
85 # Reserved for future expansion
86 id_aa64afr1_el1 = Param.UInt64(0x0000000000000000,
87 "AArch64 Auxiliary Feature Register 1")
88
89 # 1 CTX CMPs | 2 WRPs | 2 BRPs | !PMU | !Trace | Debug v8-A
90 id_aa64dfr0_el1 = Param.UInt64(0x0000000000101006,
91 "AArch64 Debug Feature Register 0")
92 # Reserved for future expansion
93 id_aa64dfr1_el1 = Param.UInt64(0x0000000000000000,
94 "AArch64 Debug Feature Register 1")
95
96 # !CRC32 | !SHA2 | !SHA1 | !AES
97 id_aa64isar0_el1 = Param.UInt64(0x0000000000000000,
98 "AArch64 Instruction Set Attribute Register 0")
99 # Reserved for future expansion
100 id_aa64isar1_el1 = Param.UInt64(0x0000000000000000,
101 "AArch64 Instruction Set Attribute Register 1")
102
103 # 4K | 64K | !16K | !BigEndEL0 | !SNSMem | !BigEnd | 8b ASID | 40b PA
104 id_aa64mmfr0_el1 = Param.UInt64(0x0000000000f00002,
105 "AArch64 Memory Model Feature Register 0")
106 # Reserved for future expansion
107 id_aa64mmfr1_el1 = Param.UInt64(0x0000000000000000,
108 "AArch64 Memory Model Feature Register 1")