1*344aa361SAndroid Build Coastguard Worker# 2*344aa361SAndroid Build Coastguard Worker# Copyright (c) 2022, Google, Inc. All rights reserved 3*344aa361SAndroid Build Coastguard Worker# 4*344aa361SAndroid Build Coastguard Worker# Permission is hereby granted, free of charge, to any person obtaining 5*344aa361SAndroid Build Coastguard Worker# a copy of this software and associated documentation files 6*344aa361SAndroid Build Coastguard Worker# (the "Software"), to deal in the Software without restriction, 7*344aa361SAndroid Build Coastguard Worker# including without limitation the rights to use, copy, modify, merge, 8*344aa361SAndroid Build Coastguard Worker# publish, distribute, sublicense, and/or sell copies of the Software, 9*344aa361SAndroid Build Coastguard Worker# and to permit persons to whom the Software is furnished to do so, 10*344aa361SAndroid Build Coastguard Worker# subject to the following conditions: 11*344aa361SAndroid Build Coastguard Worker# 12*344aa361SAndroid Build Coastguard Worker# The above copyright notice and this permission notice shall be 13*344aa361SAndroid Build Coastguard Worker# included in all copies or substantial portions of the Software. 14*344aa361SAndroid Build Coastguard Worker# 15*344aa361SAndroid Build Coastguard Worker# THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, 16*344aa361SAndroid Build Coastguard Worker# EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF 17*344aa361SAndroid Build Coastguard Worker# MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. 18*344aa361SAndroid Build Coastguard Worker# IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY 19*344aa361SAndroid Build Coastguard Worker# CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, 20*344aa361SAndroid Build Coastguard Worker# TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE 21*344aa361SAndroid Build Coastguard Worker# SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE. 22*344aa361SAndroid Build Coastguard Worker# 23*344aa361SAndroid Build Coastguard Worker 24*344aa361SAndroid Build Coastguard WorkerLOCAL_DIR := $(GET_LOCAL_DIR) 25*344aa361SAndroid Build Coastguard Worker 26*344aa361SAndroid Build Coastguard WorkerMODULE := $(LOCAL_DIR) 27*344aa361SAndroid Build Coastguard Worker 28*344aa361SAndroid Build Coastguard WorkerMODULE_SRCS += \ 29*344aa361SAndroid Build Coastguard Worker $(LOCAL_DIR)/arm_trng.c \ 30*344aa361SAndroid Build Coastguard Worker 31*344aa361SAndroid Build Coastguard WorkerMODULE_DEPS += \ 32*344aa361SAndroid Build Coastguard Worker trusty/kernel/lib/smc \ 33*344aa361SAndroid Build Coastguard Worker 34*344aa361SAndroid Build Coastguard Worker# Timeouts in milliseconds for the long wait warning and the printing 35*344aa361SAndroid Build Coastguard WorkerARM_TRNG_LONG_WAIT_MS ?= 1000 36*344aa361SAndroid Build Coastguard WorkerARM_TRNG_PRINT_MS ?= 100 37*344aa361SAndroid Build Coastguard Worker 38*344aa361SAndroid Build Coastguard Worker# How long to sleep when out of entropy 39*344aa361SAndroid Build Coastguard WorkerARM_TRNG_ENTROPY_SLEEP_NS ?= 1000000 40*344aa361SAndroid Build Coastguard Worker 41*344aa361SAndroid Build Coastguard WorkerMODULE_DEFINES += \ 42*344aa361SAndroid Build Coastguard Worker ARM_TRNG_LONG_WAIT_MS=$(ARM_TRNG_LONG_WAIT_MS) \ 43*344aa361SAndroid Build Coastguard Worker ARM_TRNG_PRINT_MS=$(ARM_TRNG_PRINT_MS) \ 44*344aa361SAndroid Build Coastguard Worker ARM_TRNG_ENTROPY_SLEEP_NS=$(ARM_TRNG_ENTROPY_SLEEP_NS) \ 45*344aa361SAndroid Build Coastguard Worker 46*344aa361SAndroid Build Coastguard Workerinclude make/module.mk 47