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# Compiler warning level. 20# Supported values: undefined, 1, 2 and 3. 3 gives more warnings. 21WARNS ?= 3 22 23# Define NOWERROR=1 so that warnings are not treated as errors 24# NOWERROR=1 25 26# Define DEBUG=1 to compile with -g option 27# DEBUG=1 28 29# If 1, debug mode of the tee firmware (CPU restart, Core Status) 30CFG_TEE_CORE_DEBUG ?= 0 31 32# Max level of the tee core traces. 0 means disable, 4 is max. 33# Supported values: 0 (no traces) to 4 (all traces) 34# If CFG_TEE_DRV_DEBUGFS is set, the level of traces to print can be 35# dynamically changes via debugfs in the range 1 => CFG_TEE_CORE_LOG_LEVEL 36CFG_TEE_CORE_LOG_LEVEL ?= 1 37 38# TA and TEECore log level 39# Supported values: 0 (no traces) to 4 (all traces) 40# If CFG_TEE_DRV_DEBUGFS is set, the level of traces to print can be 41# dynamically changes via debugfs in the range 1 => CFG_TEE_TA_LOG_LEVEL 42CFG_TEE_TA_LOG_LEVEL ?= 1 43 44# TA enablement 45# When defined to "y", TA traces are output according to 46# CFG_TEE_TA_LOG_LEVEL. Otherwise, they are not output at all 47CFG_TEE_CORE_TA_TRACE ?= y 48 49# If 1, enable debug features in TA memory allocation. 50# Debug features include check of buffer overflow, statistics, mark/check heap 51# feature. 52CFG_TEE_CORE_USER_MEM_DEBUG ?= 1 53 54# PRNG configuration 55# If CFG_WITH_SOFTWARE_PRNG is enabled, crypto provider provided 56# software PRNG implementation is used. 57# Otherwise, you need to implement hw_get_random_byte() for your platform 58CFG_WITH_SOFTWARE_PRNG ?= y 59 60# Number of threads 61CFG_NUM_THREADS ?= 2 62 63# API implementation version 64CFG_TEE_API_VERSION ?= GPD-1.1-dev 65 66# Implementation description (implementation-dependent) 67CFG_TEE_IMPL_DESCR ?= OPTEE 68 69# Trusted OS implementation version 70CFG_TEE_IMPL_VERSION ?= $(shell git describe --always --dirty=-dev 2>/dev/null || echo Unknown) 71 72# Trusted OS implementation manufacturer name 73CFG_TEE_MANUFACTURER ?= LINARO 74 75# Trusted firmware version 76CFG_TEE_FW_IMPL_VERSION ?= FW_IMPL_UNDEF 77 78# Trusted OS implementation manufacturer name 79CFG_TEE_FW_MANUFACTURER ?= FW_MAN_UNDEF 80 81# Encrypted File System Support 82CFG_ENC_FS ?= y 83