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