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# Copyright (c) 2015-2016, 2019-2021 ARM Limited
# 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 the copyright holders 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.
CPP?=cpp
DTC?=dtc
DTC_CPP_FLAGS=-nostdinc -undef
# $(1) is the prefix of DTB files
NUM_CPUS := 1 2 4 8 16
CREATE_TARGET=$(foreach n, $(NUM_CPUS), $(1)_$(n)cpu.dtb)
TARGET_PREFIX=\
armv7_gem5_v1 \
armv8_gem5_v1 \
armv8_gem5_v2 \
armv7_gem5_v1_hdlcd \
armv8_gem5_v1_hdlcd \
armv8_gem5_v2_hdlcd
TARGETS=\
$(foreach prefix, $(TARGET_PREFIX), $(call CREATE_TARGET, $(prefix))) \
armv8_gem5_v1_big_little_2_2.dtb \
armv8_gem5_v1_big_little_2_4.dtb \
armv8_gem5_v2_big_little_2_2.dtb \
armv8_gem5_v2_big_little_2_4.dtb \
armv8_gem5_v1_hdlcd_big_little_2_2.dtb \
armv8_gem5_v1_hdlcd_big_little_2_4.dtb \
armv8_gem5_v2_hdlcd_big_little_2_2.dtb \
armv8_gem5_v2_hdlcd_big_little_2_4.dtb
VEXPRESS_GEM5_V1_DTSIS=\
platforms/vexpress_gem5_v1_base.dtsi
VEXPRESS_GEM5_V1_HDLCD_DTSIS=\
platforms/vexpress_gem5_v1_hdlcd.dtsi \
platforms/vexpress_gem5_v1_base.dtsi
VEXPRESS_GEM5_V2_DTSIS=\
platforms/vexpress_gem5_v2_base.dtsi
VEXPRESS_GEM5_V2_HDLCD_DTSIS=\
platforms/vexpress_gem5_v2_hdlcd.dtsi \
platforms/vexpress_gem5_v2_base.dtsi
GEN_DTS=mkdir -p .gen; \
$(CPP) -x assembler-with-cpp \
$(DTC_CPP_FLAGS) \
-DCONF_PLATFORM=\"../platforms/$(1)\" \
-DCONF_CPUS=$(2) \
-o $@ $<
all: $(TARGETS)
.gen/armv7_gem5_v1_%cpu.dts: armv7.dts \
$(VEXPRESS_GEM5_V1_DTSIS)
$(call GEN_DTS,vexpress_gem5_v1_base.dtsi,$*)
.gen/armv7_gem5_v1_hdlcd_%cpu.dts: armv7.dts \
$(VEXPRESS_GEM5_V1_HDLCD_DTSIS)
$(call GEN_DTS,vexpress_gem5_v1_hdlcd.dtsi,$*)
.gen/armv8_gem5_v1_%cpu.dts: armv8.dts \
$(VEXPRESS_GEM5_V1_DTSIS)
$(call GEN_DTS,vexpress_gem5_v1_base.dtsi,$*)
.gen/armv8_gem5_v1_hdlcd_%cpu.dts: armv8.dts \
$(VEXPRESS_GEM5_V1_HDLCD_DTSIS)
$(call GEN_DTS,vexpress_gem5_v1_hdlcd.dtsi,$*)
.gen/armv8_gem5_v2_%cpu.dts: armv8.dts \
$(VEXPRESS_GEM5_V2_DTSIS)
$(call GEN_DTS,vexpress_gem5_v2_base.dtsi,$*)
.gen/armv8_gem5_v2_hdlcd_%cpu.dts: armv8.dts \
$(VEXPRESS_GEM5_V2_HDLCD_DTSIS)
$(call GEN_DTS,vexpress_gem5_v2_hdlcd.dtsi,$*)
.gen/armv8_gem5_v1_big_little%.dts: armv8_big_little.dts \
$(VEXPRESS_GEM5_V1_DTSIS)
$(call GEN_DTS,vexpress_gem5_v1_base.dtsi,$*)
.gen/armv8_gem5_v1_hdlcd_big_little%.dts: armv8_big_little.dts \
$(VEXPRESS_GEM5_V1_HDLCD_DTSIS)
$(call GEN_DTS,vexpress_gem5_v1_hdlcd.dtsi,$*)
.gen/armv8_gem5_v2_big_little%.dts: armv8_big_little.dts \
$(VEXPRESS_GEM5_V2_DTSIS)
$(call GEN_DTS,vexpress_gem5_v2_base.dtsi,$*)
.gen/armv8_gem5_v2_hdlcd_big_little%.dts: armv8_big_little.dts \
$(VEXPRESS_GEM5_V2_HDLCD_DTSIS)
$(call GEN_DTS,vexpress_gem5_v2_hdlcd.dtsi,$*)
%.dtb: .gen/%.dts
$(DTC) -I dts -O dtb -o $@ $<
clean:
$(RM) -r .gen
$(RM) *.dtb