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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
40CONFIGHEADER := $(BUILDDIR)/config.h
41
Subbaraman Narayanamurthy8bcd5fd2011-01-17 17:18:44 -080042#Initialize the command-line flag ENABLE_TRUSTZONE. Value for flag passed in at command-line will take precedence
43ENABLE_TRUSTZONE := 0
44
45ifeq ($(ENABLE_TRUSTZONE),1)
46 INPUT_TZ_BIN := tzbsp/tzbsp.bin
47 OUTPUT_TZ_BIN := $(BUILDDIR)/tzbsp_bin.o
48endif
49
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -070050INCLUDES := -I$(BUILDDIR) -Iinclude
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -070051CFLAGS := -O2 -g -fno-builtin -finline -W -Wall -Wno-multichar -Wno-unused-parameter -Wno-unused-function -include $(CONFIGHEADER)
52#CFLAGS += -Werror
David Ng025c1d92009-12-09 23:46:00 -080053ifeq ($(EMMC_BOOT),1)
54 CFLAGS += -D_EMMC_BOOT=1
55endif
Shashank Mittalcd98d472011-08-02 14:29:24 -070056
57ifeq ($(SIGNED_KERNEL),1)
58 CFLAGS += -D_SIGNED_KERNEL=1
59endif
60
Christopher Johnson36cd7032010-11-09 14:46:30 -070061# When the host arch is ARM, ensure stack protection code is not emitted since
62# it's not supported by the bootloader's libc
63ifneq ($(shell uname -m | grep "arm.*"),)
64 CFLAGS += -fno-stack-protector
65endif
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -070066CPPFLAGS := -fno-exceptions -fno-rtti -fno-threadsafe-statics
67#CPPFLAGS += -Weffc++
68ASMFLAGS := -DASSEMBLY
69LDFLAGS :=
70
71CFLAGS += -ffunction-sections -fdata-sections
72LDFLAGS += -gc-sections
73
74# top level rule
Chandan Uddarajua9b07bb2009-11-21 12:22:02 -080075all:: $(OUTBIN) $(OUTELF).lst $(OUTELF).debug.lst $(OUTELF).sym $(OUTELF).size APPSBOOTHEADER
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -070076
77# the following three object lists are identical except for the ordering
78# which is bootobjs, kobjs, objs
79BOOTOBJS :=
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -070080OBJS :=
81
82# a linker script needs to be declared in one of the project/target/platform files
83LINKER_SCRIPT :=
84
85# anything you add here will be deleted in make clean
86GENERATED := $(CONFIGHEADER)
87
88# anything added to DEFINES will be put into $(BUILDDIR)/config.h
89DEFINES := LK=1
90
91# Anything added to SRCDEPS will become a dependency of every source file in the system.
92# Useful for header files that may be included by one or more source files.
93SRCDEPS := $(CONFIGHEADER)
94
95# these need to be filled out by the project/target/platform rules.mk files
96TARGET :=
97PLATFORM :=
98ARCH :=
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -070099ALLMODULES :=
100MODULES :=
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700101
102# any rules you put here will also be built by the system before considered being complete
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700103EXTRA_BUILDDEPS :=
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700104
105# any rules you put here will be depended on in clean builds
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700106EXTRA_CLEANDEPS :=
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700107
Travis Geiselbrecht577036f2009-01-24 21:37:21 -0800108include project/$(PROJECT).mk
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700109include target/$(TARGET)/rules.mk
Chandan Uddarajua9b07bb2009-11-21 12:22:02 -0800110include target/$(TARGET)/tools/makefile
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700111include platform/$(PLATFORM)/rules.mk
112include arch/$(ARCH)/rules.mk
113include platform/rules.mk
114include target/rules.mk
115include kernel/rules.mk
116include dev/rules.mk
Travis Geiselbrecht68372232009-01-24 21:21:08 -0800117include app/rules.mk
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700118
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700119# recursively include any modules in the MODULE variable, leaving a trail of included
120# modules in the ALLMODULES list
Travis Geiselbrecht5bcbd9d2009-01-24 20:15:32 -0800121include make/module.mk
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700122
123# any extra top level build dependencies that someone declared
124all:: $(EXTRA_BUILDDEPS)
125
126ALLOBJS := \
127 $(BOOTOBJS) \
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700128 $(OBJS)
129
130# add some automatic configuration defines
131DEFINES += \
Subbaraman Narayanamurthyeb92bcc2010-07-20 14:32:46 -0700132 BOARD=$(PROJECT) \
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700133 PROJECT_$(PROJECT)=1 \
134 TARGET_$(TARGET)=1 \
135 PLATFORM_$(PLATFORM)=1 \
136 ARCH_$(ARCH)=1 \
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700137 $(addsuffix =1,$(addprefix WITH_,$(ALLMODULES)))
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700138
139# debug build?
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700140ifneq ($(DEBUG),)
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700141DEFINES += \
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700142 DEBUG=$(DEBUG)
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700143endif
144
145ALLOBJS := $(addprefix $(BUILDDIR)/,$(ALLOBJS))
146
147DEPS := $(ALLOBJS:%o=%d)
148
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700149# default to no ccache
150CCACHE ?=
151CC := $(CCACHE) $(TOOLCHAIN_PREFIX)gcc
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700152LD := $(TOOLCHAIN_PREFIX)ld
153OBJDUMP := $(TOOLCHAIN_PREFIX)objdump
154OBJCOPY := $(TOOLCHAIN_PREFIX)objcopy
155CPPFILT := $(TOOLCHAIN_PREFIX)c++filt
156SIZE := $(TOOLCHAIN_PREFIX)size
157NM := $(TOOLCHAIN_PREFIX)nm
158
Travis Geiselbrechtf54ab822008-09-05 04:14:40 -0700159# comment out or override if you want to see the full output of each command
160NOECHO ?= @
161
162# the logic to compile and link stuff is in here
Travis Geiselbrecht5bcbd9d2009-01-24 20:15:32 -0800163include make/build.mk
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700164
165clean: $(EXTRA_CLEANDEPS)
166 rm -f $(ALLOBJS) $(DEPS) $(GENERATED) $(OUTBIN) $(OUTELF) $(OUTELF).lst
167
Travis Geiselbrecht1d0df692008-09-01 02:26:09 -0700168install: all
169 scp $(OUTBIN) 192.168.0.4:/tftproot
170
171# generate a config.h file with all of the DEFINES laid out in #define format
172configheader:
173
174$(CONFIGHEADER): configheader
175 @$(MKDIR)
176 @echo generating $@
177 @rm -f $(CONFIGHEADER).tmp; \
178 echo \#ifndef __CONFIG_H > $(CONFIGHEADER).tmp; \
179 echo \#define __CONFIG_H >> $(CONFIGHEADER).tmp; \
180 for d in `echo $(DEFINES) | tr [:lower:] [:upper:]`; do \
181 echo "#define $$d" | sed "s/=/\ /g;s/-/_/g;s/\//_/g" >> $(CONFIGHEADER).tmp; \
182 done; \
183 echo \#endif >> $(CONFIGHEADER).tmp; \
184 if [ -f "$(CONFIGHEADER)" ]; then \
185 if cmp "$(CONFIGHEADER).tmp" "$(CONFIGHEADER)"; then \
186 rm -f $(CONFIGHEADER).tmp; \
187 else \
188 mv $(CONFIGHEADER).tmp $(CONFIGHEADER); \
189 fi \
190 else \
191 mv $(CONFIGHEADER).tmp $(CONFIGHEADER); \
192 fi
193
194# Empty rule for the .d files. The above rules will build .d files as a side
195# effect. Only works on gcc 3.x and above, however.
196%.d:
197
198ifeq ($(filter $(MAKECMDGOALS), clean), )
199-include $(DEPS)
200endif
201
202.PHONY: configheader
Brian Swetlandf1e5afd2009-01-24 22:09:30 -0800203endif
Travis Geiselbrecht78d0e6c2009-11-27 13:37:03 -0800204
205endif # make spotless