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Travis Geiselbrecht78d0e6c2009-11-27 13:37:03 -08001ifeq ($(MAKECMDGOALS),spotless)
2spotless:
3 rm -rf build-*
4else
5
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -07006-include local.mk
Travis Geiselbrecht5bcbd9d2009-01-24 20:15:32 -08007include make/macros.mk
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -07008
Brian Swetlandf1e5afd2009-01-24 22:09:30 -08009# If one of our goals (from the commandline) happens to have a
10# matching project/goal.mk, then we should re-invoke make with
11# that project name specified...
12
13project-name := $(firstword $(MAKECMDGOALS))
14
15ifneq ($(project-name),)
16ifneq ($(wildcard project/$(project-name).mk),)
17do-nothing := 1
18$(MAKECMDGOALS) _all: make-make
19make-make:
20 @PROJECT=$(project-name) $(MAKE) $(filter-out $(project-name), $(MAKECMDGOALS))
21endif
22endif
23
24ifeq ($(do-nothing),)
25
26ifeq ($(PROJECT),)
27$(error No project specified. Use "make projectname" or put "PROJECT := projectname" in local.mk)
28endif
29
Chandan Uddaraju40b227d2010-08-03 19:25:41 -070030DEBUG ?= 0
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -070031
Chandan Uddarajua9b07bb2009-11-21 12:22:02 -080032ifndef $(BOOTLOADER_OUT)
33BOOTLOADER_OUT := .
34endif
35
Chandan Uddaraju885e4db2009-12-03 22:45:26 -080036LK_TOP_DIR:= .
Chandan Uddarajua9b07bb2009-11-21 12:22:02 -080037BUILDDIR := $(BOOTLOADER_OUT)/build-$(PROJECT)
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -070038OUTBIN := $(BUILDDIR)/lk.bin
39OUTELF := $(BUILDDIR)/lk
Channagoud Kadabi02072a42014-02-28 19:15:40 -080040OUTELF_STRIP := $(BUILDDIR)/lk_s.elf
41
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -070042CONFIGHEADER := $(BUILDDIR)/config.h
43
Subbaraman Narayanamurthy8bcd5fd2011-01-17 17:18:44 -080044#Initialize the command-line flag ENABLE_TRUSTZONE. Value for flag passed in at command-line will take precedence
45ENABLE_TRUSTZONE := 0
46
47ifeq ($(ENABLE_TRUSTZONE),1)
48 INPUT_TZ_BIN := tzbsp/tzbsp.bin
49 OUTPUT_TZ_BIN := $(BUILDDIR)/tzbsp_bin.o
50endif
51
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -070052INCLUDES := -I$(BUILDDIR) -Iinclude
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -070053CFLAGS := -O2 -g -fno-builtin -finline -W -Wall -Wno-multichar -Wno-unused-parameter -Wno-unused-function -include $(CONFIGHEADER)
54#CFLAGS += -Werror
David Ng025c1d92009-12-09 23:46:00 -080055ifeq ($(EMMC_BOOT),1)
56 CFLAGS += -D_EMMC_BOOT=1
57endif
Shashank Mittalcd98d472011-08-02 14:29:24 -070058
59ifeq ($(SIGNED_KERNEL),1)
60 CFLAGS += -D_SIGNED_KERNEL=1
61endif
62
Sridhar Parasurame94e8152014-10-24 14:06:03 -070063ifeq ($(TARGET_BUILD_VARIANT),user)
64 CFLAGS += -DDISABLE_FASTBOOT_CMDS=1
65endif
66
Channagoud Kadabi02072a42014-02-28 19:15:40 -080067# setup toolchain prefix
68TOOLCHAIN_PREFIX ?= arm-eabi-
Maria Yud3200512014-05-28 15:57:51 +080069CFLAGS += -fstack-protector-all
vijay kumarc2119f12014-07-22 18:30:11 +053070CFLAGS += -fno-strict-overflow
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -070071CPPFLAGS := -fno-exceptions -fno-rtti -fno-threadsafe-statics
72#CPPFLAGS += -Weffc++
73ASMFLAGS := -DASSEMBLY
74LDFLAGS :=
75
76CFLAGS += -ffunction-sections -fdata-sections
77LDFLAGS += -gc-sections
78
79# top level rule
Channagoud Kadabi02072a42014-02-28 19:15:40 -080080all:: $(OUTBIN) $(OUTELF).lst $(OUTELF).debug.lst $(OUTELF).sym $(OUTELF).size $(OUTELF_STRIP) APPSBOOTHEADER
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -070081
82# the following three object lists are identical except for the ordering
83# which is bootobjs, kobjs, objs
84BOOTOBJS :=
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -070085OBJS :=
86
87# a linker script needs to be declared in one of the project/target/platform files
88LINKER_SCRIPT :=
89
90# anything you add here will be deleted in make clean
91GENERATED := $(CONFIGHEADER)
92
93# anything added to DEFINES will be put into $(BUILDDIR)/config.h
94DEFINES := LK=1
95
96# Anything added to SRCDEPS will become a dependency of every source file in the system.
97# Useful for header files that may be included by one or more source files.
98SRCDEPS := $(CONFIGHEADER)
99
Shashank Mittale99a8d32014-09-11 19:51:06 -0700100ifeq ($(VERIFIED_BOOT),1)
101 DEFINES += VERIFIED_BOOT=1
102 DEFINES += _SIGNED_KERNEL=1
103 ifeq ($(DEFAULT_UNLOCK),true)
104 DEFINES += DEFAULT_UNLOCK=1
105 endif
106endif
107
Channagoud Kadabi9071af32015-03-12 12:39:56 -0700108ifeq ($(USER_BUILD_VARIANT),true)
109 DEFINES += USER_BUILD_VARIANT=1
110endif
111
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700112# these need to be filled out by the project/target/platform rules.mk files
113TARGET :=
114PLATFORM :=
115ARCH :=
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700116ALLMODULES :=
117MODULES :=
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700118
119# any rules you put here will also be built by the system before considered being complete
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700120EXTRA_BUILDDEPS :=
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700121
122# any rules you put here will be depended on in clean builds
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700123EXTRA_CLEANDEPS :=
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700124
Travis Geiselbrecht577036f2009-01-24 21:37:21 -0800125include project/$(PROJECT).mk
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700126include target/$(TARGET)/rules.mk
Chandan Uddarajua9b07bb2009-11-21 12:22:02 -0800127include target/$(TARGET)/tools/makefile
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700128include platform/$(PLATFORM)/rules.mk
129include arch/$(ARCH)/rules.mk
130include platform/rules.mk
131include target/rules.mk
132include kernel/rules.mk
133include dev/rules.mk
Travis Geiselbrecht68372232009-01-24 21:21:08 -0800134include app/rules.mk
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700135
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700136# recursively include any modules in the MODULE variable, leaving a trail of included
137# modules in the ALLMODULES list
Travis Geiselbrecht5bcbd9d2009-01-24 20:15:32 -0800138include make/module.mk
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700139
140# any extra top level build dependencies that someone declared
141all:: $(EXTRA_BUILDDEPS)
142
143ALLOBJS := \
144 $(BOOTOBJS) \
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700145 $(OBJS)
146
147# add some automatic configuration defines
148DEFINES += \
lijuang42d0ec42015-12-04 17:36:51 +0800149 BOARD=$(BOARD_NAME) \
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700150 PROJECT_$(PROJECT)=1 \
151 TARGET_$(TARGET)=1 \
152 PLATFORM_$(PLATFORM)=1 \
153 ARCH_$(ARCH)=1 \
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700154 $(addsuffix =1,$(addprefix WITH_,$(ALLMODULES)))
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700155
156# debug build?
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700157ifneq ($(DEBUG),)
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700158DEFINES += \
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700159 DEBUG=$(DEBUG)
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700160endif
161
162ALLOBJS := $(addprefix $(BUILDDIR)/,$(ALLOBJS))
163
164DEPS := $(ALLOBJS:%o=%d)
165
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700166# default to no ccache
167CCACHE ?=
168CC := $(CCACHE) $(TOOLCHAIN_PREFIX)gcc
Channagoud Kadabi02072a42014-02-28 19:15:40 -0800169ifeq ($(LD),ld)
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700170LD := $(TOOLCHAIN_PREFIX)ld
Channagoud Kadabi02072a42014-02-28 19:15:40 -0800171endif
172STRIP := $(TOOLCHAIN_PREFIX)strip
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700173OBJDUMP := $(TOOLCHAIN_PREFIX)objdump
174OBJCOPY := $(TOOLCHAIN_PREFIX)objcopy
175CPPFILT := $(TOOLCHAIN_PREFIX)c++filt
176SIZE := $(TOOLCHAIN_PREFIX)size
177NM := $(TOOLCHAIN_PREFIX)nm
178
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700179# comment out or override if you want to see the full output of each command
180NOECHO ?= @
181
182# the logic to compile and link stuff is in here
Travis Geiselbrecht5bcbd9d2009-01-24 20:15:32 -0800183include make/build.mk
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700184
185clean: $(EXTRA_CLEANDEPS)
Channagoud Kadabi02072a42014-02-28 19:15:40 -0800186 rm -f $(ALLOBJS) $(DEPS) $(GENERATED) $(OUTBIN) $(OUTELF) $(OUTELF).lst $(OUTELF_STRIP)
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700187
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700188install: all
189 scp $(OUTBIN) 192.168.0.4:/tftproot
190
191# generate a config.h file with all of the DEFINES laid out in #define format
192configheader:
193
194$(CONFIGHEADER): configheader
195 @$(MKDIR)
196 @echo generating $@
197 @rm -f $(CONFIGHEADER).tmp; \
198 echo \#ifndef __CONFIG_H > $(CONFIGHEADER).tmp; \
199 echo \#define __CONFIG_H >> $(CONFIGHEADER).tmp; \
200 for d in `echo $(DEFINES) | tr [:lower:] [:upper:]`; do \
201 echo "#define $$d" | sed "s/=/\ /g;s/-/_/g;s/\//_/g" >> $(CONFIGHEADER).tmp; \
202 done; \
203 echo \#endif >> $(CONFIGHEADER).tmp; \
204 if [ -f "$(CONFIGHEADER)" ]; then \
205 if cmp "$(CONFIGHEADER).tmp" "$(CONFIGHEADER)"; then \
206 rm -f $(CONFIGHEADER).tmp; \
207 else \
208 mv $(CONFIGHEADER).tmp $(CONFIGHEADER); \
209 fi \
210 else \
211 mv $(CONFIGHEADER).tmp $(CONFIGHEADER); \
212 fi
213
214# Empty rule for the .d files. The above rules will build .d files as a side
215# effect. Only works on gcc 3.x and above, however.
216%.d:
217
218ifeq ($(filter $(MAKECMDGOALS), clean), )
219-include $(DEPS)
220endif
221
222.PHONY: configheader
Brian Swetlandf1e5afd2009-01-24 22:09:30 -0800223endif
Travis Geiselbrecht78d0e6c2009-11-27 13:37:03 -0800224
225endif # make spotless