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 11all: $(TEST_DIR)/boot_rom.bin test_cases 12 13################################################################## 14 15CFLAGS += -std=gnu99 16CFLAGS += -ffreestanding 17CFLAGS += -Wextra 18CFLAGS += -O2 19CFLAGS += -I lib -I lib/libfdt 20CFLAGS += -Wa,-mregnames 21CFLAGS += -fpie 22 23asm-offsets = lib/$(ARCH)/asm-offsets.h 24include scripts/asm-offsets.mak 25 26cflatobjs += lib/util.o 27cflatobjs += lib/alloc.o 28cflatobjs += lib/devicetree.o 29cflatobjs += lib/powerpc/io.o 30cflatobjs += lib/powerpc/hcall.o 31cflatobjs += lib/powerpc/setup.o 32cflatobjs += lib/powerpc/rtas.o 33 34FLATLIBS = $(libcflat) $(LIBFDT_archive) 35%.elf: CFLAGS += $(arch_CFLAGS) 36%.elf: LDFLAGS = $(arch_LDFLAGS) -nostdlib -pie 37%.elf: %.o $(FLATLIBS) powerpc/flat.lds 38 $(LD) $(LDFLAGS) -o $@ \ 39 -T powerpc/flat.lds --build-id=none \ 40 $(filter %.o, $^) $(FLATLIBS) 41 @echo -n Checking $@ for unsupported reloc types... 42 @if $(OBJDUMP) -R $@ | grep R_ | grep -v R_PPC64_RELATIVE; then \ 43 false; \ 44 else \ 45 echo " looks good."; \ 46 fi 47 48$(TEST_DIR)/boot_rom.bin: $(TEST_DIR)/boot_rom.elf 49 dd if=/dev/zero of=$@ bs=256 count=1 50 $(OBJCOPY) -O binary $^ >(cat - >>$@) 51 52$(TEST_DIR)/boot_rom.elf: CFLAGS = -mbig-endian 53$(TEST_DIR)/boot_rom.elf: $(TEST_DIR)/boot_rom.o 54 $(LD) -EB -nostdlib -Ttext=0x100 --entry=start --build-id=none -o $@ $< 55 56powerpc_clean: libfdt_clean asm_offsets_clean 57 $(RM) $(TEST_DIR)/*.{o,elf} $(TEST_DIR)/boot_rom.bin \ 58 $(TEST_DIR)/.*.d lib/powerpc/.*.d 59 60################################################################## 61 62generated_files = $(asm-offsets) 63 64test_cases: $(generated_files) $(tests-common) $(tests) 65 66$(TEST_DIR)/selftest.elf: $(cstart.o) $(reloc.o) $(TEST_DIR)/selftest.o 67 68$(TEST_DIR)/spapr_hcall.elf: $(cstart.o) $(reloc.o) $(TEST_DIR)/spapr_hcall.o 69