Makefile revision 14146 
1# Copyright (c) 2015-2016 ARM Limited
2# All rights reserved.
3#
4# Redistribution and use in source and binary forms, with or without
5# modification, are permitted provided that the following conditions are
6# met: redistributions of source code must retain the above copyright
7# notice, this list of conditions and the following disclaimer;
8# redistributions in binary form must reproduce the above copyright
9# notice, this list of conditions and the following disclaimer in the
10# documentation and/or other materials provided with the distribution;
11# neither the name of the copyright holders nor the names of its
12# contributors may be used to endorse or promote products derived from
13# this software without specific prior written permission.
14#
15# THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
16# "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
17# LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR
18# A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT
19# OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
20# SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
21# LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
22# DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
23# THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
24# (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
25# OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26#
27# Authors: Andreas Sandberg
28
29CPP?=cpp
30DTC?=dtc
31
32DTC_CPP_FLAGS=-nostdinc -undef
33
34# $(1) is the prefix of DTB files
35NUM_CPUS := 1 2 4 8 16
36CREATE_TARGET=$(foreach n, $(NUM_CPUS), $(1)_$(n)cpu.dtb)
37
38TARGET_PREFIX=\
39	armv7_gem5_v1 \
40	armv8_gem5_v1 \
41	armv8_gem5_v2
42
43TARGETS=\
44	$(foreach prefix, $(TARGET_PREFIX), $(call CREATE_TARGET, $(prefix))) \
45	armv8_gem5_v1_big_little_2_2.dtb \
46	armv8_gem5_v1_big_little_2_4.dtb
47
48VEXPRESS_GEM5_V1_DTSIS=\
49	platforms/vexpress_gem5_v1.dtsi \
50	platforms/vexpress_gem5_v1_base.dtsi
51
52VEXPRESS_GEM5_V2_DTSIS=\
53	platforms/vexpress_gem5_v2.dtsi \
54	platforms/vexpress_gem5_v2_base.dtsi
55
56GEN_DTS=mkdir -p .gen; \
57	$(CPP) -x assembler-with-cpp \
58		$(DTC_CPP_FLAGS) \
59		-DCONF_PLATFORM=\"platforms/$(1)\" \
60		-DCONF_CPUS=$(2) \
61		-o $@ $<
62
63all: $(TARGETS)
64
65.gen/armv7_gem5_v1_%cpu.dts: armv7.dts $(VEXPRESS_GEM5_V1_DTSIS)
66	$(call GEN_DTS,vexpress_gem5_v1.dtsi,$*)
67
68.gen/armv8_gem5_v1_%cpu.dts: armv8.dts $(VEXPRESS_GEM5_V1_DTSIS)
69	$(call GEN_DTS,vexpress_gem5_v1.dtsi,$*)
70
71.gen/armv8_gem5_v2_%cpu.dts: armv8.dts $(VEXPRESS_GEM5_V2_DTSIS)
72	$(call GEN_DTS,vexpress_gem5_v2.dtsi,$*)
73
74.gen/armv8_gem5_v1_big_little%.dts: armv8_big_little.dts \
75	$(VEXPRESS_GEM5_V1_DTSIS)
76	$(call GEN_DTS,vexpress_gem5_v1.dtsi,$*)
77
78%.dtb: .gen/%.dts
79	$(DTC) -I dts -O dtb -o $@ $<
80
81
82clean:
83	$(RM) -r .gen
84	$(RM) *.dtb
85