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Tom Rini83d290c2018-05-06 17:58:06 -04001# SPDX-License-Identifier: GPL-2.0+
wdenk717b5aa2002-04-27 11:09:31 +00002#
Marian Balakowiczf9328632006-09-01 19:49:50 +02003# (C) Copyright 2000-2006
wdenk717b5aa2002-04-27 11:09:31 +00004# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
wdenk717b5aa2002-04-27 11:09:31 +00005
Masahiro Yamada4a20df32014-02-04 17:24:12 +09006extra-y := hello_world
7extra-$(CONFIG_SMC91111) += smc91111_eeprom
8extra-$(CONFIG_SMC911X) += smc911x_eeprom
9extra-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2
Masahiro Yamada4a20df32014-02-04 17:24:12 +090010extra-$(CONFIG_PPC) += sched
Mike Frysinger65f6f072009-07-23 16:37:03 -040011
Sanjeev Premi604f7ce2009-11-09 22:43:00 +053012#
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.
16#
Masahiro Yamada4a20df32014-02-04 17:24:12 +090017ELF := $(strip $(extra-y))
Sanjeev Premi604f7ce2009-11-09 22:43:00 +053018
Masahiro Yamada4a20df32014-02-04 17:24:12 +090019extra-y += $(addsuffix .srec,$(extra-y)) $(addsuffix .bin,$(extra-y))
Masahiro Yamada8e714432014-09-05 01:56:52 +090020clean-files := *.srec *.bin
Masahiro Yamada4a20df32014-02-04 17:24:12 +090021
Mike Frysinger557555f2009-09-04 19:54:45 -040022COBJS := $(ELF:=.o)
wdenk717b5aa2002-04-27 11:09:31 +000023
Masahiro Yamada9e414032014-02-04 17:24:24 +090024LIB = $(obj)/libstubs.o
Mike Frysinger557555f2009-09-04 19:54:45 -040025
Masahiro Yamada04a34c92014-02-24 11:12:19 +090026LIBOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o
Masahiro Yamada04a34c92014-02-24 11:12:19 +090027LIBOBJS-y += stubs.o
Marian Balakowiczf9328632006-09-01 19:49:50 +020028
Masahiro Yamada04a34c92014-02-24 11:12:19 +090029targets += $(patsubst $(obj)/%,%,$(LIB)) $(COBJS) $(LIBOBJS-y)
Masahiro Yamada6825a952014-02-04 17:24:28 +090030
Masahiro Yamada04a34c92014-02-24 11:12:19 +090031LIBOBJS := $(addprefix $(obj)/,$(LIBOBJS-y))
Masahiro Yamada9e414032014-02-04 17:24:24 +090032ELF := $(addprefix $(obj)/,$(ELF))
wdenk717b5aa2002-04-27 11:09:31 +000033
Peter Tyser620bbba2010-06-15 21:48:25 +020034# For PowerPC there's no need to compile standalone applications as a
35# relocatable executable. The relocation data is not needed, and
36# also causes the entry point of the standalone application to be
37# inconsistent.
Masahiro Yamada026f9cf2014-03-05 16:59:40 +090038ifeq ($(CONFIG_PPC),y)
39PLATFORM_CPPFLAGS := $(filter-out $(RELFLAGS),$(PLATFORM_CPPFLAGS))
Peter Tyser620bbba2010-06-15 21:48:25 +020040endif
41
Peter Tyserc91d4562010-09-12 17:38:49 -050042# We don't want gcc reordering functions if possible. This ensures that an
43# application's entry point will be the first function in the application's
44# source file.
Masahiro Yamada6825a952014-02-04 17:24:28 +090045ccflags-y += $(call cc-option,-fno-toplevel-reorder)
wdenk717b5aa2002-04-27 11:09:31 +000046
Daniel Schwierzeck1d3b97c2018-09-23 19:15:15 +020047LDFLAGS_STANDALONE += -Ttext $(CONFIG_STANDALONE_LOAD_ADDR)
48
wdenk717b5aa2002-04-27 11:09:31 +000049#########################################################################
Masahiro Yamada6825a952014-02-04 17:24:28 +090050
51quiet_cmd_link_lib = LD $@
52 cmd_link_lib = $(LD) $(ld_flags) -r -o $@ $(filter $(LIBOBJS), $^)
53
54$(LIB): $(LIBOBJS) FORCE
55 $(call if_changed,link_lib)
wdenk717b5aa2002-04-27 11:09:31 +000056
Masahiro Yamada04a34c92014-02-24 11:12:19 +090057quiet_cmd_link_elf = LD $@
Tom Rini587e4a42020-03-27 11:46:27 -040058 cmd_link_elf = $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_STANDALONE) -g \
Alexey Brodkine75e73d2014-05-16 12:54:17 +040059 -o $@ -e $(SYM_PREFIX)$(@F) $< $(LIB) $(PLATFORM_LIBGCC)
Masahiro Yamada04a34c92014-02-24 11:12:19 +090060
61$(ELF): $(obj)/%: $(obj)/%.o $(LIB) FORCE
62 $(call if_changed,link_elf)
Wolfgang Denk96582982006-10-24 13:55:18 +020063
Daniel Schwierzeckd3a9ba72018-09-23 19:15:16 +020064$(obj)/%.srec: OBJCOPYFLAGS += -O srec
Masahiro Yamadaf9c235f2014-02-24 11:12:14 +090065$(obj)/%.srec: $(obj)/% FORCE
66 $(call if_changed,objcopy)
wdenk717b5aa2002-04-27 11:09:31 +000067
Daniel Schwierzeckd3a9ba72018-09-23 19:15:16 +020068$(obj)/%.bin: OBJCOPYFLAGS += -O binary
Masahiro Yamadaf9c235f2014-02-24 11:12:14 +090069$(obj)/%.bin: $(obj)/% FORCE
70 $(call if_changed,objcopy)
Albert ARIBAUD62e92072015-10-23 18:06:40 +020071
72# some files can only build in ARM or THUMB2, not THUMB1
73
74ifdef CONFIG_SYS_THUMB_BUILD
75ifndef CONFIG_HAS_THUMB2
76
77CFLAGS_stubs.o := -marm
78
79endif
80endif