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Makefile
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Makefile
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# This file is provided under a dual BSD/GPLv2 license. When using or
# redistributing this file, you may do so under either license.
#
# GPL LICENSE SUMMARY
#
# Copyright(c) 2016-2018 Intel Corporation.
#
# This program is free software; you can redistribute it and/or modify
# it under the terms of version 2 of the GNU General Public License as
# published by the Free Software Foundation.
#
# This program is distributed in the hope that it will be useful, but
# WITHOUT ANY WARRANTY; without even the implied warranty of
# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
# General Public License for more details.
#
# Contact Information:
# Jarkko Sakkinen <jarkko.sakkinen@linux.intel.com>
# Intel Finland Oy - BIC 0357606-4 - Westendinkatu 7, 02160 Espoo
#
# BSD LICENSE
#
# Copyright(c) 2016-2018 Intel Corporation.
#
# Redistribution and use in source and binary forms, with or without
# modification, are permitted provided that the following conditions
# are met:
#
# * Redistributions of source code must retain the above copyright
# notice, this list of conditions and the following disclaimer.
# * Redistributions in binary form must reproduce the above copyright
# notice, this list of conditions and the following disclaimer in
# the documentation and/or other materials provided with the
# distribution.
# * Neither the name of Intel Corporation nor the names of its
# contributors may be used to endorse or promote products derived
# from this software without specific prior written permission.
#
# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
#
#
# Intel SGX
#
ifneq ($(KERNELRELEASE),)
ifneq ($(LE_ACTION),GENDATA)
obj-m += intel_sgx.o
intel_sgx-y := \
sgx_le_proxy_piggy.o \
sgx_ioctl.o \
sgx_encl.o \
sgx_main.o \
sgx_page_cache.o \
sgx_util.o \
sgx_vma.o \
sgx_le.o
else
obj-m += dummy_driver.o
dummy_driver-y := dummy.o
endif
else
KDIR := /lib/modules/$(shell uname -r)/build
PWD := $(shell pwd)
ifneq ($(SIG_FILE),)
FULL_SIG_FILE = $(shell realpath $(SIG_FILE))
export FULL_SIG_FILE
endif
SGX_LE_SIGNING_KEY_PATH := sgx_signing_key.pem
SGX_LE_PUBLIC_KEY_PATH := sgx_public_key.pem
SGX_LE_SIGNING_MATERIAL := signing_material.bin
SIGNING_KEY_PATH := $(shell realpath $(SGX_LE_SIGNING_KEY_PATH))
PUBLIC_KEY_PATH := $(shell realpath $(SGX_LE_PUBLIC_KEY_PATH))
SIGNING_MATERIAL := $(shell realpath $(SGX_LE_SIGNING_MATERIAL))
export SIGNING_KEY_PATH
export PUBLIC_KEY_PATH
export SIGNING_MATERIAL
sign:
$(MAKE) -C $(KDIR) SUBDIRS=$(PWD) CFLAGS_MODULE="-I$(PWD) -I$(PWD)/include" modules LE_ACTION=SIGN
gendata:
$(MAKE) -C $(KDIR) SUBDIRS=$(PWD) CFLAGS_MODULE="-I$(PWD) -I$(PWD)/include" modules LE_ACTION=GENDATA
usesig:
$(MAKE) -C $(KDIR) SUBDIRS=$(PWD) CFLAGS_MODULE="-I$(PWD) -I$(PWD)/include" modules LE_ACTION=USESIG
endif
ifeq ($(LE_ACTION)$(FULL_SIG_FILE),USESIG)
$(error On usesig build - SIG_FILE must point to the signature input file)
endif
KBUILD_AFLAGS += -I$(PWD)/le
$(eval $(call config_filename,INTEL_SGX_SIGNING_KEY))
$(SIGNING_KEY_PATH):
$(Q)openssl genrsa -3 -out $(SIGNING_KEY_PATH) 3072
$(PUBLIC_KEY_PATH): $(SIGNING_KEY_PATH)
$(Q)openssl rsa -in $(SIGNING_KEY_PATH) -outform PEM -pubout -out $(PUBLIC_KEY_PATH)
ifeq ($(LE_ACTION),SIGN)
SGX_LE_KEY_DEP := $(SIGNING_KEY_PATH)
else ifeq ($(LE_ACTION),USESIG)
SGX_LE_KEY_DEP := $(PUBLIC_KEY_PATH)
endif
$(obj)/dummy.o: $(SIGNING_MATERIAL)
$(obj)/sgx_le_proxy_piggy.o: $(SGX_LE_KEY_DEP) $(obj)/le/sgx_le_proxy
$(obj)/le/sgx_le_proxy $(SIGNING_MATERIAL): FORCE
$(Q)$(MAKE) $(build)=$(obj)/le $@
clean:
rm -vrf *.o *.ko *.order *.symvers *.mod.c .tmp_versions .*.cmd $(SIGNING_MATERIAL)
$(Q)$(MAKE) -C le clean