aboutsummaryrefslogtreecommitdiff
path: root/lib/cpus/cpu-ops.mk
blob: 456e3e52437cf5b14ceb74b78f922a973e96c7c3 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
#
# Copyright (c) 2014-2018, ARM Limited and Contributors. All rights reserved.
#
# SPDX-License-Identifier: BSD-3-Clause
#

# Cortex A57 specific optimisation to skip L1 cache flush when
# cluster is powered down.
SKIP_A57_L1_FLUSH_PWR_DWN	?=0

# Flag to disable the cache non-temporal hint.
# It is enabled by default.
A53_DISABLE_NON_TEMPORAL_HINT	?=1

# Flag to disable the cache non-temporal hint.
# It is enabled by default.
A57_DISABLE_NON_TEMPORAL_HINT	?=1

WORKAROUND_CVE_2017_5715	?=1
WORKAROUND_CVE_2018_3639	?=1
DYNAMIC_WORKAROUND_CVE_2018_3639	?=0

# Process SKIP_A57_L1_FLUSH_PWR_DWN flag
$(eval $(call assert_boolean,SKIP_A57_L1_FLUSH_PWR_DWN))
$(eval $(call add_define,SKIP_A57_L1_FLUSH_PWR_DWN))

# Process A53_DISABLE_NON_TEMPORAL_HINT flag
$(eval $(call assert_boolean,A53_DISABLE_NON_TEMPORAL_HINT))
$(eval $(call add_define,A53_DISABLE_NON_TEMPORAL_HINT))

# Process A57_DISABLE_NON_TEMPORAL_HINT flag
$(eval $(call assert_boolean,A57_DISABLE_NON_TEMPORAL_HINT))
$(eval $(call add_define,A57_DISABLE_NON_TEMPORAL_HINT))

# Process WORKAROUND_CVE_2017_5715 flag
$(eval $(call assert_boolean,WORKAROUND_CVE_2017_5715))
$(eval $(call add_define,WORKAROUND_CVE_2017_5715))

# Process WORKAROUND_CVE_2018_3639 flag
$(eval $(call assert_boolean,WORKAROUND_CVE_2018_3639))
$(eval $(call add_define,WORKAROUND_CVE_2018_3639))

$(eval $(call assert_boolean,DYNAMIC_WORKAROUND_CVE_2018_3639))
$(eval $(call add_define,DYNAMIC_WORKAROUND_CVE_2018_3639))

ifneq (${DYNAMIC_WORKAROUND_CVE_2018_3639},0)
    ifeq (${WORKAROUND_CVE_2018_3639},0)
        $(error "Error: WORKAROUND_CVE_2018_3639 must be 1 if DYNAMIC_WORKAROUND_CVE_2018_3639 is 1")
    endif
endif

# CPU Errata Build flags.
# These should be enabled by the platform if the erratum workaround needs to be
# applied.

# Flag to apply erratum 826319 workaround during reset. This erratum applies
# only to revision <= r0p2 of the Cortex A53 cpu.
ERRATA_A53_826319	?=0

# Flag to apply erratum 835769 workaround at compile and link time.  This
# erratum applies to revision <= r0p4 of the Cortex A53 cpu. Enabling this
# workaround can lead the linker to create "*.stub" sections.
ERRATA_A53_835769	?=0

# Flag to apply erratum 836870 workaround during reset. This erratum applies
# only to revision <= r0p3 of the Cortex A53 cpu. From r0p4 and onwards, this
# erratum workaround is enabled by default in hardware.
ERRATA_A53_836870	?=0

# Flag to apply erratum 843419 workaround at link time.
# This erratum applies to revision <= r0p4 of the Cortex A53 cpu. Enabling this
# workaround could lead the linker to emit "*.stub" sections which are 4kB
# aligned.
ERRATA_A53_843419	?=0

# Flag to apply errata 855873 during reset. This errata applies to all
# revisions of the Cortex A53 CPU, but this firmware workaround only works
# for revisions r0p3 and higher. Earlier revisions are taken care
# of by the rich OS.
ERRATA_A53_855873	?=0

# Flag to apply erratum 806969 workaround during reset. This erratum applies
# only to revision r0p0 of the Cortex A57 cpu.
ERRATA_A57_806969	?=0

# Flag to apply erratum 813419 workaround during reset. This erratum applies
# only to revision r0p0 of the Cortex A57 cpu.
ERRATA_A57_813419	?=0

# Flag to apply erratum 813420  workaround during reset. This erratum applies
# only to revision r0p0 of the Cortex A57 cpu.
ERRATA_A57_813420	?=0

# Flag to apply erratum 826974 workaround during reset. This erratum applies
# only to revision <= r1p1 of the Cortex A57 cpu.
ERRATA_A57_826974	?=0

# Flag to apply erratum 826977 workaround during reset. This erratum applies
# only to revision <= r1p1 of the Cortex A57 cpu.
ERRATA_A57_826977	?=0

# Flag to apply erratum 828024 workaround during reset. This erratum applies
# only to revision <= r1p1 of the Cortex A57 cpu.
ERRATA_A57_828024	?=0

# Flag to apply erratum 829520 workaround during reset. This erratum applies
# only to revision <= r1p2 of the Cortex A57 cpu.
ERRATA_A57_829520	?=0

# Flag to apply erratum 833471 workaround during reset. This erratum applies
# only to revision <= r1p2 of the Cortex A57 cpu.
ERRATA_A57_833471	?=0

# Flag to apply erratum 855972 workaround during reset. This erratum applies
# only to revision <= r1p3 of the Cortex A57 cpu.
ERRATA_A57_859972	?=0

# Flag to apply erratum 855971 workaround during reset. This erratum applies
# only to revision <= r0p3 of the Cortex A72 cpu.
ERRATA_A72_859971	?=0

# Flag to apply T32 CLREX workaround during reset. This erratum applies
# only to r0p0 and r1p0 of the Ares cpu.
ERRATA_ARES_1043202	?=1

# Process ERRATA_A53_826319 flag
$(eval $(call assert_boolean,ERRATA_A53_826319))
$(eval $(call add_define,ERRATA_A53_826319))

# Process ERRATA_A53_835769 flag
$(eval $(call assert_boolean,ERRATA_A53_835769))
$(eval $(call add_define,ERRATA_A53_835769))

# Process ERRATA_A53_836870 flag
$(eval $(call assert_boolean,ERRATA_A53_836870))
$(eval $(call add_define,ERRATA_A53_836870))

# Process ERRATA_A53_843419 flag
$(eval $(call assert_boolean,ERRATA_A53_843419))
$(eval $(call add_define,ERRATA_A53_843419))

# Process ERRATA_A53_855873 flag
$(eval $(call assert_boolean,ERRATA_A53_855873))
$(eval $(call add_define,ERRATA_A53_855873))

# Process ERRATA_A57_806969 flag
$(eval $(call assert_boolean,ERRATA_A57_806969))
$(eval $(call add_define,ERRATA_A57_806969))

# Process ERRATA_A57_813419 flag
$(eval $(call assert_boolean,ERRATA_A57_813419))
$(eval $(call add_define,ERRATA_A57_813419))

# Process ERRATA_A57_813420 flag
$(eval $(call assert_boolean,ERRATA_A57_813420))
$(eval $(call add_define,ERRATA_A57_813420))

# Process ERRATA_A57_826974 flag
$(eval $(call assert_boolean,ERRATA_A57_826974))
$(eval $(call add_define,ERRATA_A57_826974))

# Process ERRATA_A57_826977 flag
$(eval $(call assert_boolean,ERRATA_A57_826977))
$(eval $(call add_define,ERRATA_A57_826977))

# Process ERRATA_A57_828024 flag
$(eval $(call assert_boolean,ERRATA_A57_828024))
$(eval $(call add_define,ERRATA_A57_828024))

# Process ERRATA_A57_829520 flag
$(eval $(call assert_boolean,ERRATA_A57_829520))
$(eval $(call add_define,ERRATA_A57_829520))

# Process ERRATA_A57_833471 flag
$(eval $(call assert_boolean,ERRATA_A57_833471))
$(eval $(call add_define,ERRATA_A57_833471))

# Process ERRATA_A57_859972 flag
$(eval $(call assert_boolean,ERRATA_A57_859972))
$(eval $(call add_define,ERRATA_A57_859972))

# Process ERRATA_A72_859971 flag
$(eval $(call assert_boolean,ERRATA_A72_859971))
$(eval $(call add_define,ERRATA_A72_859971))

# Process ERRATA_ARES_1043202 flag
$(eval $(call assert_boolean,ERRATA_ARES_1043202))
$(eval $(call add_define,ERRATA_ARES_1043202))

# Errata build flags
ifneq (${ERRATA_A53_843419},0)
TF_LDFLAGS_aarch64	+= --fix-cortex-a53-843419
endif

ifneq (${ERRATA_A53_835769},0)
TF_CFLAGS_aarch64	+= -mfix-cortex-a53-835769
TF_LDFLAGS_aarch64	+= --fix-cortex-a53-835769
endif