1 # SPDX-License-Identifier: GPL-2.0+
3 # (C) Copyright 2000-2006
4 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
7 extra-$(CONFIG_SMC91111) += smc91111_eeprom
8 extra-$(CONFIG_SMC911X) += smc911x_eeprom
9 extra-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2
10 extra-$(CONFIG_PPC) += sched
13 # Some versions of make do not handle trailing white spaces properly;
14 # leading to build failures. The problem was found with GNU Make 3.80.
15 # Using 'strip' as a workaround for the problem.
17 ELF := $(strip $(extra-y))
19 extra-y += $(addsuffix .srec,$(extra-y)) $(addsuffix .bin,$(extra-y))
20 clean-files := *.srec *.bin
24 LIB = $(obj)/libstubs.o
26 LIBOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o
29 .SECONDARY: $(call objectify,$(COBJS))
30 targets += $(patsubst $(obj)/%,%,$(LIB)) $(COBJS) $(LIBOBJS-y)
32 LIBOBJS := $(addprefix $(obj)/,$(LIBOBJS-y))
33 ELF := $(addprefix $(obj)/,$(ELF))
35 # For PowerPC there's no need to compile standalone applications as a
36 # relocatable executable. The relocation data is not needed, and
37 # also causes the entry point of the standalone application to be
39 ifeq ($(CONFIG_PPC),y)
40 PLATFORM_CPPFLAGS := $(filter-out $(RELFLAGS),$(PLATFORM_CPPFLAGS))
43 # We don't want gcc reordering functions if possible. This ensures that an
44 # application's entry point will be the first function in the application's
46 ccflags-y += $(call cc-option,-fno-toplevel-reorder)
48 LDFLAGS_STANDALONE += -Ttext $(CONFIG_STANDALONE_LOAD_ADDR)
50 #########################################################################
52 quiet_cmd_link_lib = LD $@
53 cmd_link_lib = $(LD) $(ld_flags) -r -o $@ $(filter $(LIBOBJS), $^)
55 $(LIB): $(LIBOBJS) FORCE
56 $(call if_changed,link_lib)
58 quiet_cmd_link_elf = LD $@
59 cmd_link_elf = $(LD) $(LDFLAGS) $(LDFLAGS_STANDALONE) -g \
60 -o $@ -e $(SYM_PREFIX)$(@F) $< $(LIB) $(PLATFORM_LIBGCC)
62 $(ELF): $(obj)/%: $(obj)/%.o $(LIB) FORCE
63 $(call if_changed,link_elf)
65 $(obj)/%.srec: OBJCOPYFLAGS += -O srec
66 $(obj)/%.srec: $(obj)/% FORCE
67 $(call if_changed,objcopy)
69 $(obj)/%.bin: OBJCOPYFLAGS += -O binary
70 $(obj)/%.bin: $(obj)/% FORCE
71 $(call if_changed,objcopy)
73 # some files can only build in ARM or THUMB2, not THUMB1
75 ifdef CONFIG_SYS_THUMB_BUILD
76 ifndef CONFIG_HAS_THUMB2
78 CFLAGS_stubs.o := -marm