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Diffstat (limited to 'make_helpers/defaults.mk')
| -rw-r--r-- | make_helpers/defaults.mk | 486 |
1 files changed, 486 insertions, 0 deletions
diff --git a/make_helpers/defaults.mk b/make_helpers/defaults.mk new file mode 100644 index 0000000..683d7ac --- /dev/null +++ b/make_helpers/defaults.mk @@ -0,0 +1,486 @@ +# +# Copyright (c) 2016-2022, Arm Limited. All rights reserved. +# +# SPDX-License-Identifier: BSD-3-Clause +# + +# Default, static values for build variables, listed in alphabetic order. +# Dependencies between build options, if any, are handled in the top-level +# Makefile, after this file is included. This ensures that the former is better +# poised to handle dependencies, as all build variables would have a default +# value by then. + +# Use T32 by default +AARCH32_INSTRUCTION_SET := T32 + +# The AArch32 Secure Payload to be built as BL32 image +AARCH32_SP := none + +# The Target build architecture. Supported values are: aarch64, aarch32. +ARCH := aarch64 + +# ARM Architecture feature modifiers: none by default +ARM_ARCH_FEATURE := none + +# ARM Architecture major and minor versions: 8.0 by default. +ARM_ARCH_MAJOR := 8 +ARM_ARCH_MINOR := 0 + +# Base commit to perform code check on +BASE_COMMIT := origin/master + +# Execute BL2 at EL3 +BL2_AT_EL3 := 0 + +# Only use SP packages if SP layout JSON is defined +BL2_ENABLE_SP_LOAD := 0 + +# BL2 image is stored in XIP memory, for now, this option is only supported +# when BL2_AT_EL3 is 1. +BL2_IN_XIP_MEM := 0 + +# Do dcache invalidate upon BL2 entry at EL3 +BL2_INV_DCACHE := 1 + +# Select the branch protection features to use. +BRANCH_PROTECTION := 0 + +# By default, consider that the platform may release several CPUs out of reset. +# The platform Makefile is free to override this value. +COLD_BOOT_SINGLE_CPU := 0 + +# Flag to compile in coreboot support code. Exclude by default. The coreboot +# Makefile system will set this when compiling TF as part of a coreboot image. +COREBOOT := 0 + +# For Chain of Trust +CREATE_KEYS := 1 + +# Build flag to include AArch32 registers in cpu context save and restore during +# world switch. This flag must be set to 0 for AArch64-only platforms. +CTX_INCLUDE_AARCH32_REGS := 1 + +# Include FP registers in cpu context +CTX_INCLUDE_FPREGS := 0 + +# Include pointer authentication (ARMv8.3-PAuth) registers in cpu context. This +# must be set to 1 if the platform wants to use this feature in the Secure +# world. It is not needed to use it in the Non-secure world. +CTX_INCLUDE_PAUTH_REGS := 0 + +# Include Nested virtualization control (Armv8.4-NV) registers in cpu context. +# This must be set to 1 if architecture implements Nested Virtualization +# Extension and platform wants to use this feature in the Secure world +CTX_INCLUDE_NEVE_REGS := 0 + +# Debug build +DEBUG := 0 + +# By default disable authenticated decryption support. +DECRYPTION_SUPPORT := none + +# Build platform +DEFAULT_PLAT := fvp + +# Disable the generation of the binary image (ELF only). +DISABLE_BIN_GENERATION := 0 + +# Disable MTPMU if FEAT_MTPMU is supported. Default is 0 to keep backwards +# compatibility. +DISABLE_MTPMU := 0 + +# Enable capability to disable authentication dynamically. Only meant for +# development platforms. +DYN_DISABLE_AUTH := 0 + +# Build option to enable MPAM for lower ELs +ENABLE_MPAM_FOR_LOWER_ELS := 0 + +# Enable the Maximum Power Mitigation Mechanism on supporting cores. +ENABLE_MPMM := 0 + +# Enable MPMM configuration via FCONF. +ENABLE_MPMM_FCONF := 0 + +# Flag to Enable Position Independant support (PIE) +ENABLE_PIE := 0 + +# Flag to enable Performance Measurement Framework +ENABLE_PMF := 0 + +# Flag to enable PSCI STATs functionality +ENABLE_PSCI_STAT := 0 + +# Flag to enable Realm Management Extension (FEAT_RME) +ENABLE_RME := 0 + +# Flag to enable runtime instrumentation using PMF +ENABLE_RUNTIME_INSTRUMENTATION := 0 + +# Flag to enable stack corruption protection +ENABLE_STACK_PROTECTOR := 0 + +# Flag to enable exception handling in EL3 +EL3_EXCEPTION_HANDLING := 0 + +# Flag to enable Branch Target Identification. +# Internal flag not meant for direct setting. +# Use BRANCH_PROTECTION to enable BTI. +ENABLE_BTI := 0 + +# Flag to enable Pointer Authentication. +# Internal flag not meant for direct setting. +# Use BRANCH_PROTECTION to enable PAUTH. +ENABLE_PAUTH := 0 + +# Flag to enable access to the HAFGRTR_EL2 register +ENABLE_FEAT_AMUv1 := 0 + +# Flag to enable AMUv1p1 extension. +ENABLE_FEAT_AMUv1p1 := 0 + +# Flag to enable CSV2_2 extension. +ENABLE_FEAT_CSV2_2 := 0 + +# Flag to enable access to the HCRX_EL2 register by setting SCR_EL3.HXEn. +ENABLE_FEAT_HCX := 0 + +# Flag to enable access to the HDFGRTR_EL2 register +ENABLE_FEAT_FGT := 0 + +# Flag to enable access to the CNTPOFF_EL2 register +ENABLE_FEAT_ECV := 0 + +# Flag to enable use of the DIT feature. +ENABLE_FEAT_DIT := 0 + +# Flag to enable access to Privileged Access Never bit of PSTATE. +ENABLE_FEAT_PAN := 0 + +# Flag to enable access to the Random Number Generator registers +ENABLE_FEAT_RNG := 0 + +# Flag to enable support for EL3 trapping of reads of the RNDR and RNDRRS +# registers, by setting SCR_EL3.TRNDR. +ENABLE_FEAT_RNG_TRAP := 0 + +# Flag to enable Speculation Barrier Instruction +ENABLE_FEAT_SB := 0 + +# Flag to enable Secure EL-2 feature. +ENABLE_FEAT_SEL2 := 0 + +# Flag to enable Virtualization Host Extensions +ENABLE_FEAT_VHE := 0 + +# Flag to enable delayed trapping of WFE instruction (FEAT_TWED) +ENABLE_FEAT_TWED := 0 + +# By default BL31 encryption disabled +ENCRYPT_BL31 := 0 + +# By default BL32 encryption disabled +ENCRYPT_BL32 := 0 + +# Default dummy firmware encryption key +ENC_KEY := 1234567890abcdef1234567890abcdef1234567890abcdef1234567890abcdef + +# Default dummy nonce for firmware encryption +ENC_NONCE := 1234567890abcdef12345678 + +# Build flag to treat usage of deprecated platform and framework APIs as error. +ERROR_DEPRECATED := 0 + +# Fault injection support +FAULT_INJECTION_SUPPORT := 0 + +# Flag to enable architectural features detection mechanism +FEATURE_DETECTION := 0 + +# Byte alignment that each component in FIP is aligned to +FIP_ALIGN := 0 + +# Default FIP file name +FIP_NAME := fip.bin + +# Default FWU_FIP file name +FWU_FIP_NAME := fwu_fip.bin + +# By default firmware encryption with SSK +FW_ENC_STATUS := 0 + +# For Chain of Trust +GENERATE_COT := 0 + +# Hint platform interrupt control layer that Group 0 interrupts are for EL3. By +# default, they are for Secure EL1. +GICV2_G0_FOR_EL3 := 0 + +# Route NS External Aborts to EL3. Disabled by default; External Aborts are handled +# by lower ELs. +HANDLE_EA_EL3_FIRST_NS := 0 + +# Secure hash algorithm flag, accepts 3 values: sha256, sha384 and sha512. +# The default value is sha256. +HASH_ALG := sha256 + +# Whether system coherency is managed in hardware, without explicit software +# operations. +HW_ASSISTED_COHERENCY := 0 + +# Set the default algorithm for the generation of Trusted Board Boot keys +KEY_ALG := rsa + +# Set the default key size in case KEY_ALG is rsa +ifeq ($(KEY_ALG),rsa) +KEY_SIZE := 2048 +endif + +# Option to build TF with Measured Boot support +MEASURED_BOOT := 0 + +# NS timer register save and restore +NS_TIMER_SWITCH := 0 + +# Include lib/libc in the final image +OVERRIDE_LIBC := 0 + +# Build PL011 UART driver in minimal generic UART mode +PL011_GENERIC_UART := 0 + +# By default, consider that the platform's reset address is not programmable. +# The platform Makefile is free to override this value. +PROGRAMMABLE_RESET_ADDRESS := 0 + +# Flag used to choose the power state format: Extended State-ID or Original +PSCI_EXTENDED_STATE_ID := 0 + +# Enable RAS support +RAS_EXTENSION := 0 + +# By default, BL1 acts as the reset handler, not BL31 +RESET_TO_BL31 := 0 + +# By default, clear the input registers when RESET_TO_BL31 is enabled +RESET_TO_BL31_WITH_PARAMS := 0 + +# For Chain of Trust +SAVE_KEYS := 0 + +# Software Delegated Exception support +SDEI_SUPPORT := 0 + +# True Random Number firmware Interface support +TRNG_SUPPORT := 0 + +# SMCCC PCI support +SMC_PCI_SUPPORT := 0 + +# Whether code and read-only data should be put on separate memory pages. The +# platform Makefile is free to override this value. +SEPARATE_CODE_AND_RODATA := 0 + +# Put NOBITS sections (.bss, stacks, page tables, and coherent memory) in a +# separate memory region, which may be discontiguous from the rest of BL31. +SEPARATE_NOBITS_REGION := 0 + +# Put BL2 NOLOAD sections (.bss, stacks, page tables) in a separate memory +# region, platform Makefile is free to override this value. +SEPARATE_BL2_NOLOAD_REGION := 0 + +# If the BL31 image initialisation code is recalimed after use for the secondary +# cores stack +RECLAIM_INIT_CODE := 0 + +# SPD choice +SPD := none + +# Enable the Management Mode (MM)-based Secure Partition Manager implementation +SPM_MM := 0 + +# Use the FF-A SPMC implementation in EL3. +SPMC_AT_EL3 := 0 + +# Use SPM at S-EL2 as a default config for SPMD +SPMD_SPM_AT_SEL2 := 1 + +# Flag to introduce an infinite loop in BL1 just before it exits into the next +# image. This is meant to help debugging the post-BL2 phase. +SPIN_ON_BL1_EXIT := 0 + +# Flags to build TF with Trusted Boot support +TRUSTED_BOARD_BOOT := 0 + +# Build option to choose whether Trusted Firmware uses Coherent memory or not. +USE_COHERENT_MEM := 1 + +# Build option to add debugfs support +USE_DEBUGFS := 0 + +# Build option to fconf based io +ARM_IO_IN_DTB := 0 + +# Build option to support SDEI through fconf +SDEI_IN_FCONF := 0 + +# Build option to support Secure Interrupt descriptors through fconf +SEC_INT_DESC_IN_FCONF := 0 + +# Build option to choose whether Trusted Firmware uses library at ROM +USE_ROMLIB := 0 + +# Build option to choose whether the xlat tables of BL images can be read-only. +# Note that this only serves as a higher level option to PLAT_RO_XLAT_TABLES, +# which is the per BL-image option that actually enables the read-only tables +# API. The reason for having this additional option is to have a common high +# level makefile where we can check for incompatible features/build options. +ALLOW_RO_XLAT_TABLES := 0 + +# Chain of trust. +COT := tbbr + +# Use tbbr_oid.h instead of platform_oid.h +USE_TBBR_DEFS := 1 + +# Build verbosity +V := 0 + +# Whether to enable D-Cache early during warm boot. This is usually +# applicable for platforms wherein interconnect programming is not +# required to enable cache coherency after warm reset (eg: single cluster +# platforms). +WARMBOOT_ENABLE_DCACHE_EARLY := 0 + +# Build option to enable/disable the Statistical Profiling Extensions +ENABLE_SPE_FOR_LOWER_ELS := 1 + +# SPE is only supported on AArch64 so disable it on AArch32. +ifeq (${ARCH},aarch32) + override ENABLE_SPE_FOR_LOWER_ELS := 0 +endif + +# Include Memory Tagging Extension registers in cpu context. This must be set +# to 1 if the platform wants to use this feature in the Secure world and MTE is +# enabled at ELX. +CTX_INCLUDE_MTE_REGS := 0 + +ENABLE_AMU := 0 +ENABLE_AMU_AUXILIARY_COUNTERS := 0 +ENABLE_AMU_FCONF := 0 +AMU_RESTRICT_COUNTERS := 0 + +# Enable SVE for non-secure world by default +ENABLE_SVE_FOR_NS := 1 +# SVE is only supported on AArch64 so disable it on AArch32. +ifeq (${ARCH},aarch32) + override ENABLE_SVE_FOR_NS := 0 +endif +ENABLE_SVE_FOR_SWD := 0 + +# Default SVE vector length to maximum architected value +SVE_VECTOR_LEN := 2048 + +# SME defaults to disabled +ENABLE_SME_FOR_NS := 0 +ENABLE_SME_FOR_SWD := 0 + +# If SME is enabled then force SVE off +ifeq (${ENABLE_SME_FOR_NS},1) + override ENABLE_SVE_FOR_NS := 0 + override ENABLE_SVE_FOR_SWD := 0 +endif + +SANITIZE_UB := off + +# For ARMv8.1 (AArch64) platforms, enabling this option selects the spinlock +# implementation variant using the ARMv8.1-LSE compare-and-swap instruction. +# Default: disabled +USE_SPINLOCK_CAS := 0 + +# Enable Link Time Optimization +ENABLE_LTO := 0 + +# Build flag to include EL2 registers in cpu context save and restore during +# S-EL2 firmware entry/exit. This flag is to be used with SPD=spmd option. +# Default is 0. +CTX_INCLUDE_EL2_REGS := 0 + +# Enable Memory tag extension which is supported for architecture greater +# than Armv8.5-A +# By default it is set to "no" +SUPPORT_STACK_MEMTAG := no + +# Select workaround for AT speculative behaviour. +ERRATA_SPECULATIVE_AT := 0 + +# Trap RAS error record access from Non secure +RAS_TRAP_NS_ERR_REC_ACCESS := 0 + +# Build option to create cot descriptors using fconf +COT_DESC_IN_DTB := 0 + +# Build option to provide OpenSSL directory path +OPENSSL_DIR := /usr + +# Select the openssl binary provided in OPENSSL_DIR variable +ifeq ("$(wildcard ${OPENSSL_DIR}/bin)", "") + OPENSSL_BIN_PATH = ${OPENSSL_DIR}/apps +else + OPENSSL_BIN_PATH = ${OPENSSL_DIR}/bin +endif + +# Build option to use the SP804 timer instead of the generic one +USE_SP804_TIMER := 0 + +# Build option to define number of firmware banks, used in firmware update +# metadata structure. +NR_OF_FW_BANKS := 2 + +# Build option to define number of images in firmware bank, used in firmware +# update metadata structure. +NR_OF_IMAGES_IN_FW_BANK := 1 + +# Disable Firmware update support by default +PSA_FWU_SUPPORT := 0 + +# By default, disable access of trace buffer control registers from NS +# lower ELs i.e. NS-EL2, or NS-EL1 if NS-EL2 implemented but unused +# if FEAT_TRBE is implemented. +# Note FEAT_TRBE is only supported on AArch64 - therefore do not enable in +# AArch32. +ifneq (${ARCH},aarch32) + ENABLE_TRBE_FOR_NS := 0 +else + override ENABLE_TRBE_FOR_NS := 0 +endif + +# By default, disable access to branch record buffer control registers from NS +# lower ELs i.e. NS-EL2, or NS-EL1 if NS-EL2 implemented but unused +# if FEAT_BRBE is implemented. +ENABLE_BRBE_FOR_NS := 0 + +# By default, disable access of trace system registers from NS lower +# ELs i.e. NS-EL2, or NS-EL1 if NS-EL2 implemented but unused if +# system register trace is implemented. +ENABLE_SYS_REG_TRACE_FOR_NS := 0 + +# By default, disable trace filter control registers access to NS +# lower ELs, i.e. NS-EL2, or NS-EL1 if NS-EL2 implemented but unused +# if FEAT_TRF is implemented. +ENABLE_TRF_FOR_NS := 0 + +# In v8.6+ platforms with delayed trapping of WFE being supported +# via FEAT_TWED, this flag takes the delay value to be set in the +# SCR_EL3.TWEDEL(4bit) field, when FEAT_TWED is implemented. +# By default it takes 0, and need to be updated by the platforms. +TWED_DELAY := 0 + +# By default, disable the mocking of RSS provided services +PLAT_RSS_NOT_SUPPORTED := 0 + +# Dynamic Root of Trust for Measurement support +DRTM_SUPPORT := 0 + +# Check platform if cache management operations should be performed. +# Disabled by default. +CONDITIONAL_CMO := 0 |