1 # SPDX-License-Identifier: GPL-2.0+
3 # (C) Copyright 2000-2006
7 extra-$(CONFIG_SMC91111) += smc91111_eeprom
8 extra-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2
9 extra-$(CONFIG_PPC) += sched
12 extra-$(CONFIG_SMC911X) += smc911x_eeprom
16 # Some versions of make do not handle trailing white spaces properly;
17 # leading to build failures. The problem was found with GNU Make 3.80.
18 # Using 'strip' as a workaround for the problem.
20 ELF := $(strip $(extra-y))
22 extra-y += $(addsuffix .srec,$(extra-y)) $(addsuffix .bin,$(extra-y))
23 clean-files := *.srec *.bin
27 LIB = $(obj)/libstubs.o
29 LIBOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o
32 targets += $(patsubst $(obj)/%,%,$(LIB)) $(COBJS) $(LIBOBJS-y)
34 LIBOBJS := $(addprefix $(obj)/,$(LIBOBJS-y))
35 ELF := $(addprefix $(obj)/,$(ELF))
37 # For PowerPC there's no need to compile standalone applications as a
38 # relocatable executable. The relocation data is not needed, and
39 # also causes the entry point of the standalone application to be
41 ifeq ($(CONFIG_PPC),y)
42 PLATFORM_CPPFLAGS := $(filter-out $(RELFLAGS),$(PLATFORM_CPPFLAGS))
45 # We don't want gcc reordering functions if possible. This ensures that an
46 # application's entry point will be the first function in the application's
48 ccflags-y += $(call cc-option,-fno-toplevel-reorder)
50 LDFLAGS_STANDALONE += -Ttext $(CONFIG_STANDALONE_LOAD_ADDR)
52 #########################################################################
54 quiet_cmd_link_lib = LD $@
55 cmd_link_lib = $(LD) $(ld_flags) -r -o $@ $(filter $(LIBOBJS), $^)
57 $(LIB): $(LIBOBJS) FORCE
58 $(call if_changed,link_lib)
60 quiet_cmd_link_elf = LD $@
61 cmd_link_elf = $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_STANDALONE) -g \
62 -o $@ -e $(SYM_PREFIX)$(@F) $< $(LIB) $(PLATFORM_LIBGCC)
64 $(ELF): $(obj)/%: $(obj)/%.o $(LIB) FORCE
65 $(call if_changed,link_elf)
67 $(obj)/%.srec: OBJCOPYFLAGS += -O srec
68 $(obj)/%.srec: $(obj)/% FORCE
69 $(call if_changed,objcopy)
71 $(obj)/%.bin: OBJCOPYFLAGS += -O binary
72 $(obj)/%.bin: $(obj)/% FORCE
73 $(call if_changed,objcopy)
75 # some files can only build in ARM or THUMB2, not THUMB1
77 ifdef CONFIG_SYS_THUMB_BUILD
78 ifndef CONFIG_HAS_THUMB2
80 CFLAGS_stubs.o := -marm