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Tom Rini10e47792018-05-06 17:58:06 -04001# SPDX-License-Identifier: GPL-2.0+
wdenk717b5aa2002-04-27 11:09:31 +00002#
Marian Balakowiczd62379d2006-09-01 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 Yamada6b05dae2014-02-04 17:24:12 +09006extra-y := hello_world
7extra-$(CONFIG_SMC91111) += smc91111_eeprom
Masahiro Yamada6b05dae2014-02-04 17:24:12 +09008extra-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2
Masahiro Yamada6b05dae2014-02-04 17:24:12 +09009extra-$(CONFIG_PPC) += sched
Mike Frysinger0f4964a2009-07-23 16:37:03 -040010
Sanjeev Premi68db2352009-11-09 22:43:00 +053011#
12# Some versions of make do not handle trailing white spaces properly;
13# leading to build failures. The problem was found with GNU Make 3.80.
14# Using 'strip' as a workaround for the problem.
15#
Masahiro Yamada6b05dae2014-02-04 17:24:12 +090016ELF := $(strip $(extra-y))
Sanjeev Premi68db2352009-11-09 22:43:00 +053017
Masahiro Yamada6b05dae2014-02-04 17:24:12 +090018extra-y += $(addsuffix .srec,$(extra-y)) $(addsuffix .bin,$(extra-y))
Masahiro Yamada580a5f12014-09-05 01:56:52 +090019clean-files := *.srec *.bin
Masahiro Yamada6b05dae2014-02-04 17:24:12 +090020
Mike Frysinger659c60d2009-09-04 19:54:45 -040021COBJS := $(ELF:=.o)
wdenkabda5ca2003-05-31 18:35:21 +000022
Masahiro Yamada59f15f22014-02-04 17:24:24 +090023LIB = $(obj)/libstubs.o
wdenkbd1575f2003-10-14 19:43:55 +000024
Masahiro Yamada020a1f22014-02-24 11:12:19 +090025LIBOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o
Masahiro Yamada020a1f22014-02-24 11:12:19 +090026LIBOBJS-y += stubs.o
Marian Balakowiczd62379d2006-09-01 19:49:50 +020027
Masahiro Yamada020a1f22014-02-24 11:12:19 +090028targets += $(patsubst $(obj)/%,%,$(LIB)) $(COBJS) $(LIBOBJS-y)
Masahiro Yamada0d68fb12014-02-04 17:24:28 +090029
Masahiro Yamada020a1f22014-02-24 11:12:19 +090030LIBOBJS := $(addprefix $(obj)/,$(LIBOBJS-y))
Masahiro Yamada59f15f22014-02-04 17:24:24 +090031ELF := $(addprefix $(obj)/,$(ELF))
wdenk717b5aa2002-04-27 11:09:31 +000032
Peter Tyser29764ee2010-06-15 21:48:25 +020033# For PowerPC there's no need to compile standalone applications as a
34# relocatable executable. The relocation data is not needed, and
35# also causes the entry point of the standalone application to be
36# inconsistent.
Masahiro Yamada958fe8f2014-03-05 16:59:40 +090037ifeq ($(CONFIG_PPC),y)
38PLATFORM_CPPFLAGS := $(filter-out $(RELFLAGS),$(PLATFORM_CPPFLAGS))
Peter Tyser29764ee2010-06-15 21:48:25 +020039endif
40
Peter Tyser4bbc0822010-09-12 17:38:49 -050041# We don't want gcc reordering functions if possible. This ensures that an
42# application's entry point will be the first function in the application's
43# source file.
Masahiro Yamada0d68fb12014-02-04 17:24:28 +090044ccflags-y += $(call cc-option,-fno-toplevel-reorder)
wdenk717b5aa2002-04-27 11:09:31 +000045
Daniel Schwierzeck9dc13da2018-09-23 19:15:15 +020046LDFLAGS_STANDALONE += -Ttext $(CONFIG_STANDALONE_LOAD_ADDR)
47
wdenk717b5aa2002-04-27 11:09:31 +000048#########################################################################
Masahiro Yamada0d68fb12014-02-04 17:24:28 +090049
50quiet_cmd_link_lib = LD $@
51 cmd_link_lib = $(LD) $(ld_flags) -r -o $@ $(filter $(LIBOBJS), $^)
52
53$(LIB): $(LIBOBJS) FORCE
54 $(call if_changed,link_lib)
wdenk717b5aa2002-04-27 11:09:31 +000055
Masahiro Yamada020a1f22014-02-24 11:12:19 +090056quiet_cmd_link_elf = LD $@
Tom Rini5d4ecf22020-03-27 11:46:27 -040057 cmd_link_elf = $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_STANDALONE) -g \
Alexey Brodkin80bf4162014-05-16 12:54:17 +040058 -o $@ -e $(SYM_PREFIX)$(@F) $< $(LIB) $(PLATFORM_LIBGCC)
Masahiro Yamada020a1f22014-02-24 11:12:19 +090059
60$(ELF): $(obj)/%: $(obj)/%.o $(LIB) FORCE
61 $(call if_changed,link_elf)
Wolfgang Denk29be6222006-10-24 13:55:18 +020062
Daniel Schwierzeck81a06442018-09-23 19:15:16 +020063$(obj)/%.srec: OBJCOPYFLAGS += -O srec
Masahiro Yamada734c3ef2014-02-24 11:12:14 +090064$(obj)/%.srec: $(obj)/% FORCE
65 $(call if_changed,objcopy)
wdenk717b5aa2002-04-27 11:09:31 +000066
Daniel Schwierzeck81a06442018-09-23 19:15:16 +020067$(obj)/%.bin: OBJCOPYFLAGS += -O binary
Masahiro Yamada734c3ef2014-02-24 11:12:14 +090068$(obj)/%.bin: $(obj)/% FORCE
69 $(call if_changed,objcopy)
Albert ARIBAUDa3823222015-10-23 18:06:40 +020070
71# some files can only build in ARM or THUMB2, not THUMB1
72
73ifdef CONFIG_SYS_THUMB_BUILD
74ifndef CONFIG_HAS_THUMB2
75
76CFLAGS_stubs.o := -marm
77
78endif
79endif