blob: f6f90617e1d0413ae00db0365b9f97dd41a8ebde [file] [log] [blame]
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
OUTELF_STRIP := $(BUILDDIR)/lk_s.elf
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 ($(SIGNED_KERNEL),1)
CFLAGS += -D_SIGNED_KERNEL=1
endif
# When the host arch is ARM, ensure stack protection code is not emitted since
# it's not supported by the bootloader's libc
# setup toolchain prefix
TOOLCHAIN_PREFIX ?= arm-eabi-
ifneq ($(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 $(OUTELF_STRIP) 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) $(TOOLCHAIN_PREFIX)gcc
ifeq ($(LD),ld)
LD := $(TOOLCHAIN_PREFIX)ld
endif
STRIP := $(TOOLCHAIN_PREFIX)strip
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 $(OUTELF_STRIP)
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