1# 2# Copyright (c) 2016-2019, 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# Use T32 by default 14AARCH32_INSTRUCTION_SET := T32 15 16# The AArch32 Secure Payload to be built as BL32 image 17AARCH32_SP := none 18 19# The Target build architecture. Supported values are: aarch64, aarch32. 20ARCH := aarch64 21 22# ARM Architecture major and minor versions: 8.0 by default. 23ARM_ARCH_MAJOR := 8 24ARM_ARCH_MINOR := 0 25 26# Base commit to perform code check on 27BASE_COMMIT := origin/master 28 29# Execute BL2 at EL3 30BL2_AT_EL3 := 0 31 32# BL2 image is stored in XIP memory, for now, this option is only supported 33# when BL2_AT_EL3 is 1. 34BL2_IN_XIP_MEM := 0 35 36# By default, consider that the platform may release several CPUs out of reset. 37# The platform Makefile is free to override this value. 38COLD_BOOT_SINGLE_CPU := 0 39 40# Flag to compile in coreboot support code. Exclude by default. The coreboot 41# Makefile system will set this when compiling TF as part of a coreboot image. 42COREBOOT := 0 43 44# For Chain of Trust 45CREATE_KEYS := 1 46 47# Build flag to include AArch32 registers in cpu context save and restore during 48# world switch. This flag must be set to 0 for AArch64-only platforms. 49CTX_INCLUDE_AARCH32_REGS := 1 50 51# Include FP registers in cpu context 52CTX_INCLUDE_FPREGS := 0 53 54# Include pointer authentication (ARMv8.3-PAuth) registers in cpu context. This 55# must be set to 1 if the platform wants to use this feature in the Secure 56# world. It is not needed to use it in the Non-secure world. 57CTX_INCLUDE_PAUTH_REGS := 0 58 59# Debug build 60DEBUG := 0 61 62# Build platform 63DEFAULT_PLAT := fvp 64 65# Disable the generation of the binary image (ELF only). 66DISABLE_BIN_GENERATION := 0 67 68# Enable capability to disable authentication dynamically. Only meant for 69# development platforms. 70DYN_DISABLE_AUTH := 0 71 72# Build option to enable MPAM for lower ELs 73ENABLE_MPAM_FOR_LOWER_ELS := 0 74 75# Flag to Enable Position Independant support (PIE) 76ENABLE_PIE := 0 77 78# Flag to enable Performance Measurement Framework 79ENABLE_PMF := 0 80 81# Flag to enable PSCI STATs functionality 82ENABLE_PSCI_STAT := 0 83 84# Flag to enable runtime instrumentation using PMF 85ENABLE_RUNTIME_INSTRUMENTATION := 0 86 87# Flag to enable stack corruption protection 88ENABLE_STACK_PROTECTOR := 0 89 90# Flag to enable exception handling in EL3 91EL3_EXCEPTION_HANDLING := 0 92 93# Flag to enable Pointer Authentication 94ENABLE_PAUTH := 0 95 96# Build flag to treat usage of deprecated platform and framework APIs as error. 97ERROR_DEPRECATED := 0 98 99# Fault injection support 100FAULT_INJECTION_SUPPORT := 0 101 102# Byte alignment that each component in FIP is aligned to 103FIP_ALIGN := 0 104 105# Default FIP file name 106FIP_NAME := fip.bin 107 108# Default FWU_FIP file name 109FWU_FIP_NAME := fwu_fip.bin 110 111# For Chain of Trust 112GENERATE_COT := 0 113 114# Hint platform interrupt control layer that Group 0 interrupts are for EL3. By 115# default, they are for Secure EL1. 116GICV2_G0_FOR_EL3 := 0 117 118# Route External Aborts to EL3. Disabled by default; External Aborts are handled 119# by lower ELs. 120HANDLE_EA_EL3_FIRST := 0 121 122# Whether system coherency is managed in hardware, without explicit software 123# operations. 124HW_ASSISTED_COHERENCY := 0 125 126# Set the default algorithm for the generation of Trusted Board Boot keys 127KEY_ALG := rsa 128 129# Enable use of the console API allowing multiple consoles to be registered 130# at the same time. 131MULTI_CONSOLE_API := 0 132 133# NS timer register save and restore 134NS_TIMER_SWITCH := 0 135 136# Include lib/libc in the final image 137OVERRIDE_LIBC := 0 138 139# Build PL011 UART driver in minimal generic UART mode 140PL011_GENERIC_UART := 0 141 142# By default, consider that the platform's reset address is not programmable. 143# The platform Makefile is free to override this value. 144PROGRAMMABLE_RESET_ADDRESS := 0 145 146# Flag used to choose the power state format: Extended State-ID or Original 147PSCI_EXTENDED_STATE_ID := 0 148 149# Enable RAS support 150RAS_EXTENSION := 0 151 152# By default, BL1 acts as the reset handler, not BL31 153RESET_TO_BL31 := 0 154 155# For Chain of Trust 156SAVE_KEYS := 0 157 158# Software Delegated Exception support 159SDEI_SUPPORT := 0 160 161# Whether code and read-only data should be put on separate memory pages. The 162# platform Makefile is free to override this value. 163SEPARATE_CODE_AND_RODATA := 0 164 165# If the BL31 image initialisation code is recalimed after use for the secondary 166# cores stack 167RECLAIM_INIT_CODE := 0 168 169# SPD choice 170SPD := none 171 172# For including the Secure Partition Manager 173ENABLE_SPM := 0 174 175# Use the SPM based on MM 176SPM_MM := 1 177 178# Flag to introduce an infinite loop in BL1 just before it exits into the next 179# image. This is meant to help debugging the post-BL2 phase. 180SPIN_ON_BL1_EXIT := 0 181 182# Flags to build TF with Trusted Boot support 183TRUSTED_BOARD_BOOT := 0 184 185# Build option to choose whether Trusted Firmware uses Coherent memory or not. 186USE_COHERENT_MEM := 1 187 188# Build option to choose whether Trusted Firmware uses library at ROM 189USE_ROMLIB := 0 190 191# Use tbbr_oid.h instead of platform_oid.h 192USE_TBBR_DEFS := 1 193 194# Build verbosity 195V := 0 196 197# Whether to enable D-Cache early during warm boot. This is usually 198# applicable for platforms wherein interconnect programming is not 199# required to enable cache coherency after warm reset (eg: single cluster 200# platforms). 201WARMBOOT_ENABLE_DCACHE_EARLY := 0 202 203# Build option to enable/disable the Statistical Profiling Extensions 204ENABLE_SPE_FOR_LOWER_ELS := 1 205 206# SPE is only supported on AArch64 so disable it on AArch32. 207ifeq (${ARCH},aarch32) 208 override ENABLE_SPE_FOR_LOWER_ELS := 0 209endif 210 211ENABLE_AMU := 0 212 213# By default, enable Scalable Vector Extension if implemented for Non-secure 214# lower ELs 215# Note SVE is only supported on AArch64 - therefore do not enable in AArch32 216ifneq (${ARCH},aarch32) 217 ENABLE_SVE_FOR_NS := 1 218else 219 override ENABLE_SVE_FOR_NS := 0 220endif 221