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Jeenu Viswambharan615ff392016-10-24 14:31:51 +01001#
Jeenu Viswambharanfca76802017-01-16 16:52:35 +00002# Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved.
Jeenu Viswambharan615ff392016-10-24 14:31:51 +01003#
dp-armfa3cf0b2017-05-03 09:38:09 +01004# SPDX-License-Identifier: BSD-3-Clause
Jeenu Viswambharan615ff392016-10-24 14:31:51 +01005#
6
7# Default, static values for build variables, listed in alphabetic order.
8# Dependencies between build options, if any, are handled in the top-level
9# Makefile, after this file is included. This ensures that the former is better
10# poised to handle dependencies, as all build variables would have a default
11# value by then.
12
13# The AArch32 Secure Payload to be built as BL32 image
14AARCH32_SP := none
15
16# The Target build architecture. Supported values are: aarch64, aarch32.
17ARCH := aarch64
18
Jeenu Viswambharanfca76802017-01-16 16:52:35 +000019# ARM Architecture major and minor versions: 8.0 by default.
20ARM_ARCH_MAJOR := 8
21ARM_ARCH_MINOR := 0
22
Jeenu Viswambharan615ff392016-10-24 14:31:51 +010023# Determine the version of ARM GIC architecture to use for interrupt management
24# in EL3. The platform port can change this value if needed.
25ARM_GIC_ARCH := 2
26
27# Flag used to indicate if ASM_ASSERTION should be enabled for the build.
28ASM_ASSERTION := 0
29
30# Base commit to perform code check on
31BASE_COMMIT := origin/master
32
33# By default, consider that the platform may release several CPUs out of reset.
34# The platform Makefile is free to override this value.
35COLD_BOOT_SINGLE_CPU := 0
36
37# For Chain of Trust
38CREATE_KEYS := 1
39
40# Build flag to include AArch32 registers in cpu context save and restore during
41# world switch. This flag must be set to 0 for AArch64-only platforms.
42CTX_INCLUDE_AARCH32_REGS := 1
43
44# Include FP registers in cpu context
45CTX_INCLUDE_FPREGS := 0
46
47# Debug build
48DEBUG := 0
49
50# Build platform
51DEFAULT_PLAT := fvp
52
Jeenu Viswambharan615ff392016-10-24 14:31:51 +010053# Flag to enable Performance Measurement Framework
54ENABLE_PMF := 0
55
56# Flag to enable PSCI STATs functionality
57ENABLE_PSCI_STAT := 0
58
59# Flag to enable runtime instrumentation using PMF
60ENABLE_RUNTIME_INSTRUMENTATION := 0
61
Douglas Raillard306593d2017-02-24 18:14:15 +000062# Flag to enable stack corruption protection
63ENABLE_STACK_PROTECTOR := 0
64
Jeenu Viswambharan615ff392016-10-24 14:31:51 +010065# Build flag to treat usage of deprecated platform and framework APIs as error.
66ERROR_DEPRECATED := 0
67
Masahiro Yamada4d87eb42016-12-25 13:52:22 +090068# Byte alignment that each component in FIP is aligned to
69FIP_ALIGN := 0
70
Jeenu Viswambharan615ff392016-10-24 14:31:51 +010071# Default FIP file name
72FIP_NAME := fip.bin
73
74# Default FWU_FIP file name
75FWU_FIP_NAME := fwu_fip.bin
76
77# For Chain of Trust
78GENERATE_COT := 0
79
Jeenu Viswambharana10d64e2017-01-04 13:51:42 +000080# Whether system coherency is managed in hardware, without explicit software
81# operations.
82HW_ASSISTED_COHERENCY := 0
83
Jeenu Viswambharan615ff392016-10-24 14:31:51 +010084# Flag to enable new version of image loading
85LOAD_IMAGE_V2 := 0
86
87# NS timer register save and restore
88NS_TIMER_SWITCH := 0
89
90# Build PL011 UART driver in minimal generic UART mode
91PL011_GENERIC_UART := 0
92
93# By default, consider that the platform's reset address is not programmable.
94# The platform Makefile is free to override this value.
95PROGRAMMABLE_RESET_ADDRESS := 0
96
97# Flag used to choose the power state format viz Extended State-ID or the
98# Original format.
99PSCI_EXTENDED_STATE_ID := 0
100
101# By default, BL1 acts as the reset handler, not BL31
102RESET_TO_BL31 := 0
103
104# For Chain of Trust
105SAVE_KEYS := 0
106
107# Whether code and read-only data should be put on separate memory pages. The
108# platform Makefile is free to override this value.
109SEPARATE_CODE_AND_RODATA := 0
110
111# SPD choice
112SPD := none
113
114# Flag to introduce an infinite loop in BL1 just before it exits into the next
115# image. This is meant to help debugging the post-BL2 phase.
116SPIN_ON_BL1_EXIT := 0
117
118# Flags to build TF with Trusted Boot support
119TRUSTED_BOARD_BOOT := 0
120
121# Build option to choose whether Trusted firmware uses Coherent memory or not.
122USE_COHERENT_MEM := 1
123
Masahiro Yamadaa27c1662017-05-22 12:11:24 +0900124# Use tbbr_oid.h instead of platform_oid.h
125USE_TBBR_DEFS = $(ERROR_DEPRECATED)
126
Jeenu Viswambharan615ff392016-10-24 14:31:51 +0100127# Build verbosity
128V := 0
Soby Mathew043fe9c2017-04-10 22:35:42 +0100129
130# Whether to enable D-Cache early during warm boot. This is usually
131# applicable for platforms wherein interconnect programming is not
132# required to enable cache coherency after warm reset (eg: single cluster
133# platforms).
134WARMBOOT_ENABLE_DCACHE_EARLY := 0
dp-armee3457b2017-05-23 09:32:49 +0100135
136# By default, enable Statistical Profiling Extensions.
137# The top level Makefile will disable this feature depending on
138# the target architecture and version number.
139ENABLE_SPE_FOR_LOWER_ELS := 1
140
141# SPE is enabled by default but only supported on AArch64 8.2 onwards.
142# Disable it in all other cases.
143ifeq (${ARCH},aarch32)
144 override ENABLE_SPE_FOR_LOWER_ELS := 0
145else
146 ifeq (${ARM_ARCH_MAJOR},8)
147 ifeq ($(ARM_ARCH_MINOR),$(filter $(ARM_ARCH_MINOR),0 1))
148 ENABLE_SPE_FOR_LOWER_ELS := 0
149 endif
150 endif
151endif