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