| # | |
| # (C) Copyright 2000-2006 | |
| # Wolfgang Denk, DENX Software Engineering, wd@denx.de. | |
| # | |
| # SPDX-License-Identifier: GPL-2.0+ | |
| # | |
| extra-y := hello_world | |
| extra-$(CONFIG_SMC91111) += smc91111_eeprom | |
| extra-$(CONFIG_SMC911X) += smc911x_eeprom | |
| extra-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2 | |
| extra-$(CONFIG_PPC) += sched | |
| # | |
| # Some versions of make do not handle trailing white spaces properly; | |
| # leading to build failures. The problem was found with GNU Make 3.80. | |
| # Using 'strip' as a workaround for the problem. | |
| # | |
| ELF := $(strip $(extra-y)) | |
| extra-y += $(addsuffix .srec,$(extra-y)) $(addsuffix .bin,$(extra-y)) | |
| clean-files := *.srec *.bin | |
| COBJS := $(ELF:=.o) | |
| LIB = $(obj)/libstubs.o | |
| LIBOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o | |
| LIBOBJS-y += stubs.o | |
| .SECONDARY: $(call objectify,$(COBJS)) | |
| targets += $(patsubst $(obj)/%,%,$(LIB)) $(COBJS) $(LIBOBJS-y) | |
| LIBOBJS := $(addprefix $(obj)/,$(LIBOBJS-y)) | |
| ELF := $(addprefix $(obj)/,$(ELF)) | |
| # For PowerPC there's no need to compile standalone applications as a | |
| # relocatable executable. The relocation data is not needed, and | |
| # also causes the entry point of the standalone application to be | |
| # inconsistent. | |
| ifeq ($(CONFIG_PPC),y) | |
| PLATFORM_CPPFLAGS := $(filter-out $(RELFLAGS),$(PLATFORM_CPPFLAGS)) | |
| endif | |
| # We don't want gcc reordering functions if possible. This ensures that an | |
| # application's entry point will be the first function in the application's | |
| # source file. | |
| ccflags-y += $(call cc-option,-fno-toplevel-reorder) | |
| ######################################################################### | |
| quiet_cmd_link_lib = LD $@ | |
| cmd_link_lib = $(LD) $(ld_flags) -r -o $@ $(filter $(LIBOBJS), $^) | |
| $(LIB): $(LIBOBJS) FORCE | |
| $(call if_changed,link_lib) | |
| quiet_cmd_link_elf = LD $@ | |
| cmd_link_elf = $(LD) $(LDFLAGS) -g -Ttext $(CONFIG_STANDALONE_LOAD_ADDR) \ | |
| -o $@ -e $(SYM_PREFIX)$(@F) $< $(LIB) $(PLATFORM_LIBGCC) | |
| $(ELF): $(obj)/%: $(obj)/%.o $(LIB) FORCE | |
| $(call if_changed,link_elf) | |
| $(obj)/%.srec: OBJCOPYFLAGS := -O srec | |
| $(obj)/%.srec: $(obj)/% FORCE | |
| $(call if_changed,objcopy) | |
| $(obj)/%.bin: OBJCOPYFLAGS := -O binary | |
| $(obj)/%.bin: $(obj)/% FORCE | |
| $(call if_changed,objcopy) | |
| # some files can only build in ARM or THUMB2, not THUMB1 | |
| ifdef CONFIG_SYS_THUMB_BUILD | |
| ifndef CONFIG_HAS_THUMB2 | |
| CFLAGS_stubs.o := -marm | |
| endif | |
| endif |