Skip to content
Snippets Groups Projects
build.mak 2.28 KiB
Newer Older
  • Learn to ignore specific revisions
  • arch = x64
    INCLUDES = -I. -I$(src)/arch/$(arch) -I$(src)
    
    CXXFLAGS = -std=gnu++11 -lstdc++ $(CFLAGS) $(do-sys-includes) $(INCLUDES)
    
    Avi Kivity's avatar
    Avi Kivity committed
    CFLAGS = $(autodepend) -g -Wall -Wno-pointer-arith $(INCLUDES) -Werror $(cflags-$(mode))
    
    ASFLAGS = -g $(autodepend)
    
    
    Avi Kivity's avatar
    Avi Kivity committed
    cflags-debug =
    cflags-release = -O2
    
    
    makedir = @mkdir -p $(dir $@) 
    
    %.o: %.cc
    	$(makedir)
    	$(CXX) $(CXXFLAGS) -c -o $@ $<
    
    %.o: %.c
    	$(makedir)
    	$(CC) $(CFLAGS) -c -o $@ $<
    
    %.o: %.S
    	$(makedir)
    	$(CXX) $(CXXFLAGS) $(ASFLAGS) -c -o $@ $<
    
    sys-includes = $(jdkbase)/include $(jdkbase)/include/linux
    autodepend = -MD -MT $@ -MP
    
    do-sys-includes = $(foreach inc, $(sys-includes), -isystem $(inc))
    
    all: loader.bin
    
    loader.bin: arch/x64/boot32.o arch/x64/loader32.ld
    	$(LD) -nostartfiles -static -nodefaultlibs -o $@ \
    	    $(filter-out %.bin, $(^:%.ld=-T %.ld))
    
    arch/x64/boot32.o: loader.elf
    
    fs = fs/fs.o fs/bootfs.o bootfs.o
    
    drivers = drivers/vga.o drivers/console.o drivers/isa-serial.o
    drivers += $(fs)
    drivers += mmu.o
    drivers += elf.o
    
    objects = exceptions.o
    objects += arch/x64/entry.o
    objects += mutex.o
    objects += pthread.o
    objects += debug.o
    objects += drivers/pci.o
    objects += mempool.o
    objects += arch/x64/elf-dl.o
    objects += linux.o
    
    libc = libc/string/strcmp.o
    libc += libc/printf.o
    
    libstdc++.a = $(shell $(CXX) -static -print-file-name=libstdc++.a)
    libsupc++.a = $(shell $(CXX) -static -print-file-name=libsupc++.a)
    libgcc_s.a = $(shell $(CXX) -static -print-libgcc-file-name)
    
    loader.elf: arch/x64/boot.o arch/x64/loader.ld loader.o runtime.o $(drivers) \
            $(objects) dummy-shlib.so \
    		$(libc) bootfs.bin
    	$(LD) -o $@ \
    		-Bdynamic --export-dynamic \
    	    $(filter-out %.bin, $(^:%.ld=-T %.ld)) \
    	    $(libstdc++.a) $(libsupc++.a) $(libgcc_s.a) $(src)/libunwind.a
    
    dummy-shlib.so: dummy-shlib.o
    	$(CXX) -nodefaultlibs -shared -o $@ $^
    
    jdk-jni.h := $(shell rpm -ql java-1.7.0-openjdk-devel | grep include/jni.h$$)
    jdkbase := $(jdk-jni.h:%/include/jni.h=%)
    
    bootfs.bin: scripts/mkbootfs.py bootfs.manifest
    	$(src)/scripts/mkbootfs.py -o $@ -d $@.d -m $(src)/bootfs.manifest \
    		-D jdkbase=$(jdkbase)
    
    bootfs.o: bootfs.bin
    
    runtime.o: ctype-data.h
    
    ctype-data.h: gen-ctype-data
    	./gen-ctype-data > $@
    
    
    gen-ctype-data: gen-ctype-data.o
    	$(CXX) -o $@ $^
    
    
    clean:
    	find -name '*.[od]' | xargs rm
    	rm -f loader.elf loader.bin
    
    -include $(shell find -name '*.d')