ifeq ($(MAKECMDGOALS),spotless) spotless: rm -rf build-* else -include local.mk include make/macros.mk # If one of our goals (from the commandline) happens to have a # matching project/goal.mk, then we should re-invoke make with # that project name specified... project-name := $(firstword $(MAKECMDGOALS)) ifneq ($(project-name),) ifneq ($(wildcard project/$(project-name).mk),) do-nothing := 1 $(MAKECMDGOALS) _all: make-make make-make: @PROJECT=$(project-name) $(MAKE) $(filter-out $(project-name), $(MAKECMDGOALS)) endif endif ifeq ($(do-nothing),) ifeq ($(PROJECT),) $(error No project specified. Use "make projectname" or put "PROJECT := projectname" in local.mk) endif DEBUG ?= 0 ifndef $(BOOTLOADER_OUT) BOOTLOADER_OUT := . endif LK_TOP_DIR:= . BUILDDIR := $(BOOTLOADER_OUT)/build-$(PROJECT) OUTBIN := $(BUILDDIR)/lk.bin OUTELF := $(BUILDDIR)/lk CONFIGHEADER := $(BUILDDIR)/config.h #Initialize the command-line flag ENABLE_TRUSTZONE. Value for flag passed in at command-line will take precedence ENABLE_TRUSTZONE := 0 ifeq ($(ENABLE_TRUSTZONE),1) INPUT_TZ_BIN := tzbsp/tzbsp.bin OUTPUT_TZ_BIN := $(BUILDDIR)/tzbsp_bin.o endif INCLUDES := -I$(BUILDDIR) -Iinclude CFLAGS := -O2 -g -fno-builtin -finline -W -Wall -Wno-multichar -Wno-unused-parameter -Wno-unused-function -include $(CONFIGHEADER) #CFLAGS += -Werror ifeq ($(EMMC_BOOT),1) CFLAGS += -D_EMMC_BOOT=1 endif ifeq ($(SIGNED_KERNEL),1) CFLAGS += -D_SIGNED_KERNEL=1 endif # When the host arch is ARM, ensure stack protection code is not emitted since # it's not supported by the bootloader's libc ifneq ($(shell uname -m | grep "arm.*"),) CFLAGS += -fno-stack-protector endif CPPFLAGS := -fno-exceptions -fno-rtti -fno-threadsafe-statics #CPPFLAGS += -Weffc++ ASMFLAGS := -DASSEMBLY LDFLAGS := CFLAGS += -ffunction-sections -fdata-sections LDFLAGS += -gc-sections # top level rule all:: $(OUTBIN) $(OUTELF).lst $(OUTELF).debug.lst $(OUTELF).sym $(OUTELF).size APPSBOOTHEADER # the following three object lists are identical except for the ordering # which is bootobjs, kobjs, objs BOOTOBJS := OBJS := # a linker script needs to be declared in one of the project/target/platform files LINKER_SCRIPT := # anything you add here will be deleted in make clean GENERATED := $(CONFIGHEADER) # anything added to DEFINES will be put into $(BUILDDIR)/config.h DEFINES := LK=1 # Anything added to SRCDEPS will become a dependency of every source file in the system. # Useful for header files that may be included by one or more source files. SRCDEPS := $(CONFIGHEADER) # these need to be filled out by the project/target/platform rules.mk files TARGET := PLATFORM := ARCH := ALLMODULES := MODULES := # any rules you put here will also be built by the system before considered being complete EXTRA_BUILDDEPS := # any rules you put here will be depended on in clean builds EXTRA_CLEANDEPS := include project/$(PROJECT).mk include target/$(TARGET)/rules.mk include target/$(TARGET)/tools/makefile include platform/$(PLATFORM)/rules.mk include arch/$(ARCH)/rules.mk include platform/rules.mk include target/rules.mk include kernel/rules.mk include dev/rules.mk include app/rules.mk # recursively include any modules in the MODULE variable, leaving a trail of included # modules in the ALLMODULES list include make/module.mk # any extra top level build dependencies that someone declared all:: $(EXTRA_BUILDDEPS) ALLOBJS := \ $(BOOTOBJS) \ $(OBJS) # add some automatic configuration defines DEFINES += \ BOARD=$(PROJECT) \ PROJECT_$(PROJECT)=1 \ TARGET_$(TARGET)=1 \ PLATFORM_$(PLATFORM)=1 \ ARCH_$(ARCH)=1 \ $(addsuffix =1,$(addprefix WITH_,$(ALLMODULES))) # debug build? ifneq ($(DEBUG),) DEFINES += \ DEBUG=$(DEBUG) endif ALLOBJS := $(addprefix $(BUILDDIR)/,$(ALLOBJS)) DEPS := $(ALLOBJS:%o=%d) # default to no ccache CCACHE ?= CC := $(CCACHE) $(TOOLCHAIN_PREFIX)gcc LD := $(TOOLCHAIN_PREFIX)ld OBJDUMP := $(TOOLCHAIN_PREFIX)objdump OBJCOPY := $(TOOLCHAIN_PREFIX)objcopy CPPFILT := $(TOOLCHAIN_PREFIX)c++filt SIZE := $(TOOLCHAIN_PREFIX)size NM := $(TOOLCHAIN_PREFIX)nm # comment out or override if you want to see the full output of each command NOECHO ?= @ # the logic to compile and link stuff is in here include make/build.mk clean: $(EXTRA_CLEANDEPS) rm -f $(ALLOBJS) $(DEPS) $(GENERATED) $(OUTBIN) $(OUTELF) $(OUTELF).lst install: all scp $(OUTBIN) 192.168.0.4:/tftproot # generate a config.h file with all of the DEFINES laid out in #define format configheader: $(CONFIGHEADER): configheader @$(MKDIR) @echo generating $@ @rm -f $(CONFIGHEADER).tmp; \ echo \#ifndef __CONFIG_H > $(CONFIGHEADER).tmp; \ echo \#define __CONFIG_H >> $(CONFIGHEADER).tmp; \ for d in `echo $(DEFINES) | tr [:lower:] [:upper:]`; do \ echo "#define $$d" | sed "s/=/\ /g;s/-/_/g;s/\//_/g" >> $(CONFIGHEADER).tmp; \ done; \ echo \#endif >> $(CONFIGHEADER).tmp; \ if [ -f "$(CONFIGHEADER)" ]; then \ if cmp "$(CONFIGHEADER).tmp" "$(CONFIGHEADER)"; then \ rm -f $(CONFIGHEADER).tmp; \ else \ mv $(CONFIGHEADER).tmp $(CONFIGHEADER); \ fi \ else \ mv $(CONFIGHEADER).tmp $(CONFIGHEADER); \ fi # Empty rule for the .d files. The above rules will build .d files as a side # effect. Only works on gcc 3.x and above, however. %.d: ifeq ($(filter $(MAKECMDGOALS), clean), ) -include $(DEPS) endif .PHONY: configheader endif endif # make spotless