1# Default configuration values for OP-TEE core (all platforms). 2# 3# Platform-specific overrides are in core/arch/arm32/plat-*/conf.mk. 4# Some subsystem-specific defaults are not here but rather in */sub.mk. 5# 6# Configuration values may be assigned from multiple sources. 7# From higher to lower priority: 8# 9# 1. Make arguments ('make CFG_FOO=bar...') 10# 2. The file specified by $(CFG_OPTEE_CONFIG) (if defined) 11# 3. The environment ('CFG_FOO=bar make...') 12# 4. The platform-specific configuration file: core/arch/arm32/plat-*/conf.mk 13# 5. This file 14# 6. Subsystem-specific makefiles (*/sub.mk) 15# 16# Actual values used during the build are output to $(out-dir)/core/conf.mk 17# (CFG_* variables only). 18 19# Cross-compiler prefix and suffix 20CROSS_COMPILE ?= arm-linux-gnueabihf- 21COMPILER ?= gcc 22 23# Compiler warning level. 24# Supported values: undefined, 1, 2 and 3. 3 gives more warnings. 25WARNS ?= 3 26 27# Define NOWERROR=1 so that warnings are not treated as errors 28# NOWERROR=1 29 30# Define DEBUG=1 to compile with -g option 31# DEBUG=1 32 33# If 1, debug mode of the tee firmware (CPU restart, Core Status) 34CFG_TEE_CORE_DEBUG ?= 0 35 36# Max level of the tee core traces. 0 means disable, 4 is max. 37# Supported values: 0 (no traces) to 4 (all traces) 38# If CFG_TEE_DRV_DEBUGFS is set, the level of traces to print can be 39# dynamically changes via debugfs in the range 1 => CFG_TEE_CORE_LOG_LEVEL 40CFG_TEE_CORE_LOG_LEVEL ?= 1 41 42# TA and TEECore log level 43# Supported values: 0 (no traces) to 4 (all traces) 44# If CFG_TEE_DRV_DEBUGFS is set, the level of traces to print can be 45# dynamically changes via debugfs in the range 1 => CFG_TEE_TA_LOG_LEVEL 46CFG_TEE_TA_LOG_LEVEL ?= 1 47 48# TA enablement 49# When defined to "y", TA traces are output according to 50# CFG_TEE_TA_LOG_LEVEL. Otherwise, they are not output at all 51CFG_TEE_CORE_TA_TRACE ?= y 52 53# Define TEE_Panic as a macro to help debugging panics caused by calls to 54# TEE_Panic. This flag can have a different value when later compiling the 55# TA 56CFG_TEE_PANIC_DEBUG ?= y 57 58# If 1, enable debug features in TA memory allocation. 59# Debug features include check of buffer overflow, statistics, mark/check heap 60# feature. 61CFG_TEE_CORE_USER_MEM_DEBUG ?= 1 62 63# PRNG configuration 64# If CFG_WITH_SOFTWARE_PRNG is enabled, crypto provider provided 65# software PRNG implementation is used. 66# Otherwise, you need to implement hw_get_random_byte() for your platform 67CFG_WITH_SOFTWARE_PRNG ?= y 68 69# Number of threads 70CFG_NUM_THREADS ?= 2 71 72# API implementation version 73CFG_TEE_API_VERSION ?= GPD-1.1-dev 74 75# Implementation description (implementation-dependent) 76CFG_TEE_IMPL_DESCR ?= OPTEE 77 78# Trusted OS implementation version 79CFG_TEE_IMPL_VERSION ?= $(shell git describe --always --dirty=-dev 2>/dev/null || echo Unknown) 80 81# Trusted OS implementation manufacturer name 82CFG_TEE_MANUFACTURER ?= LINARO 83 84# Trusted firmware version 85CFG_TEE_FW_IMPL_VERSION ?= FW_IMPL_UNDEF 86 87# Trusted OS implementation manufacturer name 88CFG_TEE_FW_MANUFACTURER ?= FW_MAN_UNDEF 89 90# Encrypted File System Support 91CFG_ENC_FS ?= y 92 93# Embed public part of this key in OP-TEE OS 94TA_SIGN_KEY ?= keys/default_ta.pem 95