1# 2# Copyright (c) 2016-2017, ARM Limited and Contributors. All rights reserved. 3# 4# SPDX-License-Identifier: BSD-3-Clause 5# 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 19# Determine the version of ARM CCI product used in the platform. The platform 20# port can change this value if needed. 21ARM_CCI_PRODUCT_ID := 400 22 23# ARM Architecture major and minor versions: 8.0 by default. 24ARM_ARCH_MAJOR := 8 25ARM_ARCH_MINOR := 0 26 27# Determine the version of ARM GIC architecture to use for interrupt management 28# in EL3. The platform port can change this value if needed. 29ARM_GIC_ARCH := 2 30 31# Flag used to indicate if ASM_ASSERTION should be enabled for the build. 32ASM_ASSERTION := 0 33 34# Base commit to perform code check on 35BASE_COMMIT := origin/master 36 37# By default, consider that the platform may release several CPUs out of reset. 38# The platform Makefile is free to override this value. 39COLD_BOOT_SINGLE_CPU := 0 40 41# For Chain of Trust 42CREATE_KEYS := 1 43 44# Build flag to include AArch32 registers in cpu context save and restore during 45# world switch. This flag must be set to 0 for AArch64-only platforms. 46CTX_INCLUDE_AARCH32_REGS := 1 47 48# Include FP registers in cpu context 49CTX_INCLUDE_FPREGS := 0 50 51# Debug build 52DEBUG := 0 53 54# Build platform 55DEFAULT_PLAT := fvp 56 57# Flag to enable Performance Measurement Framework 58ENABLE_PMF := 0 59 60# Flag to enable PSCI STATs functionality 61ENABLE_PSCI_STAT := 0 62 63# Flag to enable runtime instrumentation using PMF 64ENABLE_RUNTIME_INSTRUMENTATION := 0 65 66# Flag to enable stack corruption protection 67ENABLE_STACK_PROTECTOR := 0 68 69# Build flag to treat usage of deprecated platform and framework APIs as error. 70ERROR_DEPRECATED := 0 71 72# Byte alignment that each component in FIP is aligned to 73FIP_ALIGN := 0 74 75# Default FIP file name 76FIP_NAME := fip.bin 77 78# Default FWU_FIP file name 79FWU_FIP_NAME := fwu_fip.bin 80 81# For Chain of Trust 82GENERATE_COT := 0 83 84# Whether system coherency is managed in hardware, without explicit software 85# operations. 86HW_ASSISTED_COHERENCY := 0 87 88# Flag to enable new version of image loading 89LOAD_IMAGE_V2 := 0 90 91# NS timer register save and restore 92NS_TIMER_SWITCH := 0 93 94# Build PL011 UART driver in minimal generic UART mode 95PL011_GENERIC_UART := 0 96 97# By default, consider that the platform's reset address is not programmable. 98# The platform Makefile is free to override this value. 99PROGRAMMABLE_RESET_ADDRESS := 0 100 101# Flag used to choose the power state format viz Extended State-ID or the 102# Original format. 103PSCI_EXTENDED_STATE_ID := 0 104 105# By default, BL1 acts as the reset handler, not BL31 106RESET_TO_BL31 := 0 107 108# For Chain of Trust 109SAVE_KEYS := 0 110 111# Whether code and read-only data should be put on separate memory pages. The 112# platform Makefile is free to override this value. 113SEPARATE_CODE_AND_RODATA := 0 114 115# SPD choice 116SPD := none 117 118# Flag to introduce an infinite loop in BL1 just before it exits into the next 119# image. This is meant to help debugging the post-BL2 phase. 120SPIN_ON_BL1_EXIT := 0 121 122# Flags to build TF with Trusted Boot support 123TRUSTED_BOARD_BOOT := 0 124 125# Build option to choose whether Trusted firmware uses Coherent memory or not. 126USE_COHERENT_MEM := 1 127 128# Use tbbr_oid.h instead of platform_oid.h 129USE_TBBR_DEFS = $(ERROR_DEPRECATED) 130 131# Build verbosity 132V := 0 133 134# Whether to enable D-Cache early during warm boot. This is usually 135# applicable for platforms wherein interconnect programming is not 136# required to enable cache coherency after warm reset (eg: single cluster 137# platforms). 138WARMBOOT_ENABLE_DCACHE_EARLY := 0 139 140# By default, enable Statistical Profiling Extensions. 141# The top level Makefile will disable this feature depending on 142# the target architecture and version number. 143ENABLE_SPE_FOR_LOWER_ELS := 1 144 145# SPE is enabled by default but only supported on AArch64 8.2 onwards. 146# Disable it in all other cases. 147ifeq (${ARCH},aarch32) 148 override ENABLE_SPE_FOR_LOWER_ELS := 0 149else 150 ifeq (${ARM_ARCH_MAJOR},8) 151 ifeq ($(ARM_ARCH_MINOR),$(filter $(ARM_ARCH_MINOR),0 1)) 152 ENABLE_SPE_FOR_LOWER_ELS := 0 153 endif 154 endif 155endif 156