1# 2# powerpc common makefile 3# 4# Authors: Andrew Jones <drjones@redhat.com> 5# 6 7tests-common = \ 8 $(TEST_DIR)/selftest.elf \ 9 $(TEST_DIR)/spapr_hcall.elf \ 10 $(TEST_DIR)/rtas.elf \ 11 $(TEST_DIR)/emulator.elf \ 12 $(TEST_DIR)/tm.elf \ 13 $(TEST_DIR)/sprs.elf 14 15tests-all = $(tests-common) $(tests) 16all: directories $(TEST_DIR)/boot_rom.bin $(tests-all) 17 18################################################################## 19 20mabi_no_altivec := $(call cc-option,-mabi=no-altivec,"") 21 22CFLAGS += -std=gnu99 23CFLAGS += -ffreestanding 24CFLAGS += -O2 -msoft-float -mno-altivec $(mabi_no_altivec) 25CFLAGS += -I $(SRCDIR)/lib -I $(SRCDIR)/lib/libfdt -I lib 26CFLAGS += -Wa,-mregnames 27 28# We want to keep intermediate files 29.PRECIOUS: %.o 30 31asm-offsets = lib/$(ARCH)/asm-offsets.h 32include $(SRCDIR)/scripts/asm-offsets.mak 33 34cflatobjs += lib/util.o 35cflatobjs += lib/getchar.o 36cflatobjs += lib/alloc_phys.o 37cflatobjs += lib/alloc.o 38cflatobjs += lib/devicetree.o 39cflatobjs += lib/powerpc/io.o 40cflatobjs += lib/powerpc/hcall.o 41cflatobjs += lib/powerpc/setup.o 42cflatobjs += lib/powerpc/rtas.o 43cflatobjs += lib/powerpc/processor.o 44cflatobjs += lib/powerpc/handlers.o 45cflatobjs += lib/powerpc/smp.o 46 47OBJDIRS += lib/powerpc 48 49FLATLIBS = $(libcflat) $(LIBFDT_archive) 50%.elf: CFLAGS += $(arch_CFLAGS) 51%.elf: LDFLAGS = $(arch_LDFLAGS) -nostdlib -pie -n 52%.elf: %.o $(FLATLIBS) $(SRCDIR)/powerpc/flat.lds $(cstart.o) $(reloc.o) 53 $(CC) $(CFLAGS) -c -o $(@:.elf=.aux.o) $(SRCDIR)/lib/auxinfo.c \ 54 -DPROGNAME=\"$@\" 55 $(LD) $(LDFLAGS) -o $@ \ 56 -T $(SRCDIR)/powerpc/flat.lds --build-id=none \ 57 $(filter %.o, $^) $(FLATLIBS) $(@:.elf=.aux.o) 58 $(RM) $(@:.elf=.aux.o) 59 @chmod a-x $@ 60 @echo -n Checking $@ for unsupported reloc types... 61 @if $(OBJDUMP) -R $@ | grep R_ | grep -v R_PPC64_RELATIVE; then \ 62 false; \ 63 else \ 64 echo " looks good."; \ 65 fi 66 67$(TEST_DIR)/boot_rom.bin: $(TEST_DIR)/boot_rom.elf 68 dd if=/dev/zero of=$@ bs=256 count=1 69 $(OBJCOPY) -O binary $^ $@.tmp 70 cat $@.tmp >> $@ 71 $(RM) $@.tmp 72 73$(TEST_DIR)/boot_rom.elf: CFLAGS = -mbig-endian 74$(TEST_DIR)/boot_rom.elf: $(TEST_DIR)/boot_rom.o 75 $(LD) -EB -nostdlib -Ttext=0x100 --entry=start --build-id=none -o $@ $< 76 @chmod a-x $@ 77 78powerpc_clean: asm_offsets_clean 79 $(RM) $(TEST_DIR)/*.{o,elf} $(TEST_DIR)/boot_rom.bin \ 80 $(TEST_DIR)/.*.d lib/powerpc/.*.d 81 82generated-files = $(asm-offsets) 83$(tests-all:.elf=.o) $(cstart.o) $(cflatobjs): $(generated-files) 84