#
# Copyright (C) 2011-2018 Intel Corporation. All rights reserved.
#
# 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.
#
#

# This Makefile will compile SDK to generate various components
# including:
#  - Trusted libraries
#        - tstdc:         libsgx_tstdc.a
#        - tstdcxx:       libsgx_tstdcxx.a
#        - tcxx:          libsgx_tcxx.a
#        - tservice:      libsgx_tservice.a
#        - trts:          libsgx_trts.a
#        - tcrypto:       libsgx_tcrypto.a
#        - tkey_exchange: libsgx_tkey_exchange.a
#        - tprotected_fs: libsgx_tprotected_fs.a
#        - tcmalloc:      libsgx_tcmalloc.a
#        - sgx_pcl:       libsgx_pcl.a
#  - Untrtusted libraries
#        - ukey_exchange: libsgx_ukey_exchange.a
#        - uprotected_fs: libsgx_uprotected_fs.a
#        - ptrace:        libsgx_ptrace.so, gdb-sgx-plugin
#        - sample_crypto: libsample_crypto.so (for sample code use)
#  - Standalone, untrusted libraries
#        - libcapable:    libsgx_capable.a libsgx_capable.so
#  - Tools
#        - signtool:      sgx_sign
#        - edger8r:       sgx_edger8r
#        - sgx_encrypt:  sgx_encrypt
#  - Simulation libraries and tools
#        - simulation:    libsgx_trts_sim.a, libsgx_tservice_sim.a, libsgx_urts_sim.so, libsgx_uae_service_sim.so, sgx_config_cpusvn
#
include ../buildenv.mk

LIBTLIBC   := $(BUILD_DIR)/libsgx_tstdc.a
LIBTLIBCXX := $(BUILD_DIR)/libsgx_tstdcxx.a
LIBTCXX    := $(BUILD_DIR)/libsgx_tcxx.a
LIBTSE     := $(BUILD_DIR)/libsgx_tservice.a

.PHONY: components
components: tstdc tstdcxx tcxx tservice trts tcrypto tkey_exchange ukey_exchange tprotected_fs uprotected_fs ptrace sample_crypto libcapable simulation signtool edger8r tcmalloc sgx_pcl sgx_encrypt

# ---------------------------------------------------
#  tstdc
#      includes: tlibc, libm, tlibthread, compiler-rt, tsafecrt
# ---------------------------------------------------
.PHONY: tstdc
tstdc: $(LIBTLIBC)

$(LIBTLIBC): tlibthread compiler-rt tsafecrt sgx_libm tsetjmp
	$(MAKE) -C tlibc/ -j4 2> /dev/null
	@$(MKDIR) $(BUILD_DIR)/.libm  $(BUILD_DIR)/.tlibc   $(BUILD_DIR)/.tlibthread $(BUILD_DIR)/.tsafecrt $(BUILD_DIR)/.tsetjmp
	@$(RM) -f $(BUILD_DIR)/.libm/*          && cd $(BUILD_DIR)/.libm       && $(AR) x $(LINUX_EXTERNAL_DIR)/sgx_libm/libm.a
	@$(RM) -f $(BUILD_DIR)/.tlibc/*         && cd $(BUILD_DIR)/.tlibc      && $(AR) x $(LINUX_SDK_DIR)/tlibc/libtlibc.a
	@$(RM) -f $(BUILD_DIR)/.tlibthread/*    && cd $(BUILD_DIR)/.tlibthread && $(AR) x $(LINUX_SDK_DIR)/tlibthread/libtlibthread.a
	@$(RM) -f $(BUILD_DIR)/.tsafecrt/*      && cd $(BUILD_DIR)/.tsafecrt   && $(AR) x $(LINUX_SDK_DIR)/tsafecrt/libsgx_tsafecrt.a
	@$(RM) -f $(BUILD_DIR)/.tsetjmp/*.o     && cd $(BUILD_DIR)/.tsetjmp    && $(AR) x $(LINUX_SDK_DIR)/tsetjmp/libsgx_tsetjmp.a
	$(CP) compiler-rt/libcompiler-rt.a $@
	$(AR) qD $@ $(BUILD_DIR)/.libm/*.o
	$(AR) qD $@ $(BUILD_DIR)/.tlibc/*.o
	$(AR) qD $@ $(BUILD_DIR)/.tlibthread/*.o
	$(AR) qD $@ $(BUILD_DIR)/.tsafecrt/*.o
	$(AR) qD $@ $(BUILD_DIR)/.tsetjmp/*.o
	@$(RM) -rf $(BUILD_DIR)/.libm $(BUILD_DIR)/.tlibc
	@$(RM) -rf $(BUILD_DIR)/.tlibthread $(BUILD_DIR)/.tsafecrt $(BUILD_DIR)/.tsetjmp

.PHONY: tlibthread
tlibthread:
	$(MAKE) -C tlibthread/

.PHONY: tsafecrt
tsafecrt:
	$(MAKE) -C tsafecrt/

.PHONY: compiler-rt
compiler-rt:
	$(MAKE) -C compiler-rt/ 2> /dev/null

LIBM_PATH = $(LINUX_EXTERNAL_DIR)/sgx_libm/

M_ARCH = intel64
ifneq ($(ARCH), x86_64)
	M_ARCH := ia32
endif

.PHONY: sgx_libm
sgx_libm:
	$(MAKE) -C $(LIBM_PATH) ARCH=$(M_ARCH) 2> /dev/null

.PHONY: tsetjmp
tsetjmp:
	$(MAKE) -C tsetjmp/

# ---------------------------------------------------
#  tstdcxx
#      includes: cpprt, tlibstdcxx
# ---------------------------------------------------
.PHONY: tstdcxx
tstdcxx: $(LIBTLIBCXX)

$(LIBTLIBCXX): cpprt tlibstdcxx
	@$(MKDIR) $(BUILD_DIR)/.tlibstdcxx
	@$(RM) -f $(BUILD_DIR)/.tlibstdcxx/*
	@cd $(BUILD_DIR)/.tlibstdcxx && $(AR) x $(LINUX_SDK_DIR)/tlibstdcxx/libtlibstdcxx.a
	$(CP) $(LINUX_SDK_DIR)/cpprt/libcpprt.a $@
	$(AR) qD $@ $(BUILD_DIR)/.tlibstdcxx/*.o
	@$(RM) -rf $(BUILD_DIR)/.tlibstdcxx

.PHONY: cpprt
cpprt:
	$(MAKE) -C cpprt 

.PHONY: tlibstdcxx
tlibstdcxx: $(BUILD_DIR)
	$(MAKE) -C tlibstdcxx/ 2> /dev/null
	$(CP) tlibstdcxx/README.sgx $(BUILD_DIR)/STLport_Changes_SGX.txt

# ---------------------------------------------------
#  tcxx
#      includes: cpprt, tlibcxx
# ---------------------------------------------------
.PHONY: tcxx
tcxx: $(LIBTCXX)

$(LIBTCXX): cpprt tlibcxx
	@$(MKDIR) $(BUILD_DIR)/.tlibcxx
	@$(RM) -f $(BUILD_DIR)/.tlibcxx/*
	@cd $(BUILD_DIR)/.tlibcxx    && $(AR) x $(LINUX_SDK_DIR)/tlibcxx/libcxx.a
	$(CP) $(LINUX_SDK_DIR)/cpprt/libcpprt.a $@
	$(AR) qD $@ $(BUILD_DIR)/.tlibcxx/*.o
	@$(RM) -rf   $(BUILD_DIR)/.tlibcxx

.PHONY: tlibcxx
tlibcxx: $(BUILD_DIR)
	$(MAKE) -C tlibcxx/ 2> /dev/null
	$(CP) tlibcxx/README.sgx $(BUILD_DIR)/libc++_Changes_SGX.txt

# ---------------------------------------------------
#  tse
#      includes: selib, tseal, tae_service, ec_dh_lib 
# ---------------------------------------------------
.PHONY: tservice
tservice: $(LIBTSE)

$(LIBTSE): selib tseal tae_service
	@$(MKDIR) $(BUILD_DIR)/.tservice
	@$(RM) -f $(BUILD_DIR)/.tservice/*
	cd $(BUILD_DIR)/.tservice && $(AR) x $(LINUX_SDK_DIR)/tseal/linux/libtSeal.a
	cd $(BUILD_DIR)/.tservice && $(AR) x $(LINUX_SDK_DIR)/tae_service/libtae_service.a
	$(CP) $(LINUX_SDK_DIR)/selib/linux/libselib.a $@
	$(AR) rsD $@ $(BUILD_DIR)/.tservice/*.o
	@$(RM) -rf  $(BUILD_DIR)/.tservice

.PHONY: selib
selib:
	$(MAKE) -C selib/linux/

.PHONY: tseal
tseal:
	$(MAKE) -C tseal/linux/

.PHONY: tae_service
tae_service: edger8r
	$(MAKE) -C tae_service

# ---------------------------------------------------
#  Other trusted libraries
# ---------------------------------------------------
.PHONY: trts
trts:
	$(MAKE) -C trts/

.PHONY: tcrypto
tcrypto:
	$(MAKE) -C tlibcrypto/

.PHONY: tkey_exchange
tkey_exchange: edger8r
	$(MAKE) -C tkey_exchange

.PHONY: tcmalloc
tcmalloc:
	$(MAKE) -C gperftools/

.PHONY: tprotected_fs
tprotected_fs: edger8r
	$(MAKE) -C protected_fs/sgx_tprotected_fs
	
.PHONY: sgx_pcl
sgx_pcl:
	$(MAKE) -C protected_code_loader
# ---------------------------------------------------
#  Untrusted libraries
# ---------------------------------------------------
.PHONY: ukey_exchange
ukey_exchange:
	$(MAKE) -C ukey_exchange

.PHONY: uprotected_fs
uprotected_fs: edger8r
	$(MAKE) -C protected_fs/sgx_uprotected_fs

.PHONY: ptrace
ptrace:
	$(MAKE) -C debugger_interface/linux/

.PHONY: sample_crypto
#sample_crypto:
#	$(MAKE) -C sample_libcrypto

# ---------------------------------------------------
#  standalone, untrusted libraries
# ---------------------------------------------------
.PHONY: libcapable
libcapable:
	$(MAKE) -C libcapable/linux/

# ---------------------------------------------------
#  simualtion libraries and tools
# ---------------------------------------------------
.PHONY: simulation
simulation: edger8r
	$(MAKE) -C simulation/

# ---------------------------------------------------
#  tools
# ---------------------------------------------------
.PHONY: signtool
signtool:
	$(MAKE) -C sign_tool/SignTool/

.PHONY: edger8r
edger8r:
	$(MAKE) -C edger8r/linux/

.PHONY: sgx_encrypt
sgx_encrypt: tservice
	$(MAKE) -C encrypt_enclave

$(BUILD_DIR):
	$(MKDIR) $@

.PHONY: clean
clean:
	$(MAKE) -C $(LIBM_PATH) ARCH=$(M_ARCH)         clean 
	$(MAKE) -C tlibc/                              clean
	$(MAKE) -C tlibthread/                         clean
	$(MAKE) -C compiler-rt/                        clean
	$(MAKE) -C cpprt                               clean
	$(MAKE) -C tlibstdcxx/                         clean
	$(MAKE) -C tlibcxx/                            clean
	$(MAKE) -C tseal/linux/                        clean
	$(MAKE) -C selib/linux/                        clean
	$(MAKE) -C tae_service/                        clean
	$(MAKE) -C trts/                               clean
	$(MAKE) -C tsetjmp/                            clean
	$(MAKE) -C tsafecrt/                           clean
	$(MAKE) -C gperftools/                         clean
	$(MAKE) -C tlibcrypto/                         clean
	$(MAKE) -C tkey_exchange/                      clean
	$(MAKE) -C ukey_exchange/                      clean
	$(MAKE) -C protected_fs/sgx_tprotected_fs/     clean
	$(MAKE) -C protected_fs/sgx_uprotected_fs/     clean
	$(MAKE) -C debugger_interface/linux/           clean
	$(MAKE) -C sample_libcrypto/                   clean
	$(MAKE) -C libcapable/linux/                   clean
	$(MAKE) -C simulation/                         clean
	$(MAKE) -C sign_tool/SignTool                  clean
	$(MAKE) -C edger8r/linux                       clean
	$(MAKE) -C protected_code_loader               clean
	$(MAKE) -C encrypt_enclave                     clean
	@$(RM) $(LIBTLIBC) $(LIBTLIBCXX) $(LIBTSE)
	@$(RM) $(BUILD_DIR)/STLport_Changes_SGX.txt
	@$(RM) $(BUILD_DIR)/libc++_Changes_SGX.txt