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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 := $(CONFIGHEADER)
99
100# these need to be filled out by the project/target/platform rules.mk files
101TARGET :=
102PLATFORM :=
103ARCH :=
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700104ALLMODULES :=
105MODULES :=
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700106
107# any rules you put here will also be built by the system before considered being complete
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700108EXTRA_BUILDDEPS :=
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700109
110# any rules you put here will be depended on in clean builds
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700111EXTRA_CLEANDEPS :=
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700112
Travis Geiselbrecht577036f2009-01-24 21:37:21 -0800113include project/$(PROJECT).mk
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700114include target/$(TARGET)/rules.mk
Chandan Uddarajua9b07bb2009-11-21 12:22:02 -0800115include target/$(TARGET)/tools/makefile
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700116include platform/$(PLATFORM)/rules.mk
117include arch/$(ARCH)/rules.mk
118include platform/rules.mk
119include target/rules.mk
120include kernel/rules.mk
121include dev/rules.mk
Travis Geiselbrecht68372232009-01-24 21:21:08 -0800122include app/rules.mk
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700123
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700124# recursively include any modules in the MODULE variable, leaving a trail of included
125# modules in the ALLMODULES list
Travis Geiselbrecht5bcbd9d2009-01-24 20:15:32 -0800126include make/module.mk
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700127
128# any extra top level build dependencies that someone declared
129all:: $(EXTRA_BUILDDEPS)
130
131ALLOBJS := \
132 $(BOOTOBJS) \
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700133 $(OBJS)
134
135# add some automatic configuration defines
136DEFINES += \
Subbaraman Narayanamurthyeb92bcc2010-07-20 14:32:46 -0700137 BOARD=$(PROJECT) \
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700138 PROJECT_$(PROJECT)=1 \
139 TARGET_$(TARGET)=1 \
140 PLATFORM_$(PLATFORM)=1 \
141 ARCH_$(ARCH)=1 \
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700142 $(addsuffix =1,$(addprefix WITH_,$(ALLMODULES)))
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700143
144# debug build?
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700145ifneq ($(DEBUG),)
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700146DEFINES += \
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700147 DEBUG=$(DEBUG)
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700148endif
149
150ALLOBJS := $(addprefix $(BUILDDIR)/,$(ALLOBJS))
151
152DEPS := $(ALLOBJS:%o=%d)
153
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700154# default to no ccache
155CCACHE ?=
156CC := $(CCACHE) $(TOOLCHAIN_PREFIX)gcc
Channagoud Kadabi02072a42014-02-28 19:15:40 -0800157ifeq ($(LD),ld)
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700158LD := $(TOOLCHAIN_PREFIX)ld
Channagoud Kadabi02072a42014-02-28 19:15:40 -0800159endif
160STRIP := $(TOOLCHAIN_PREFIX)strip
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700161OBJDUMP := $(TOOLCHAIN_PREFIX)objdump
162OBJCOPY := $(TOOLCHAIN_PREFIX)objcopy
163CPPFILT := $(TOOLCHAIN_PREFIX)c++filt
164SIZE := $(TOOLCHAIN_PREFIX)size
165NM := $(TOOLCHAIN_PREFIX)nm
166
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700167# comment out or override if you want to see the full output of each command
168NOECHO ?= @
169
170# the logic to compile and link stuff is in here
Travis Geiselbrecht5bcbd9d2009-01-24 20:15:32 -0800171include make/build.mk
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700172
173clean: $(EXTRA_CLEANDEPS)
Channagoud Kadabi02072a42014-02-28 19:15:40 -0800174 rm -f $(ALLOBJS) $(DEPS) $(GENERATED) $(OUTBIN) $(OUTELF) $(OUTELF).lst $(OUTELF_STRIP)
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700175
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700176install: all
177 scp $(OUTBIN) 192.168.0.4:/tftproot
178
179# generate a config.h file with all of the DEFINES laid out in #define format
180configheader:
181
182$(CONFIGHEADER): configheader
183 @$(MKDIR)
184 @echo generating $@
185 @rm -f $(CONFIGHEADER).tmp; \
186 echo \#ifndef __CONFIG_H > $(CONFIGHEADER).tmp; \
187 echo \#define __CONFIG_H >> $(CONFIGHEADER).tmp; \
188 for d in `echo $(DEFINES) | tr [:lower:] [:upper:]`; do \
189 echo "#define $$d" | sed "s/=/\ /g;s/-/_/g;s/\//_/g" >> $(CONFIGHEADER).tmp; \
190 done; \
191 echo \#endif >> $(CONFIGHEADER).tmp; \
192 if [ -f "$(CONFIGHEADER)" ]; then \
193 if cmp "$(CONFIGHEADER).tmp" "$(CONFIGHEADER)"; then \
194 rm -f $(CONFIGHEADER).tmp; \
195 else \
196 mv $(CONFIGHEADER).tmp $(CONFIGHEADER); \
197 fi \
198 else \
199 mv $(CONFIGHEADER).tmp $(CONFIGHEADER); \
200 fi
201
202# Empty rule for the .d files. The above rules will build .d files as a side
203# effect. Only works on gcc 3.x and above, however.
204%.d:
205
206ifeq ($(filter $(MAKECMDGOALS), clean), )
207-include $(DEPS)
208endif
209
210.PHONY: configheader
Brian Swetlandf1e5afd2009-01-24 22:09:30 -0800211endif
Travis Geiselbrecht78d0e6c2009-11-27 13:37:03 -0800212
213endif # make spotless