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gerrit.devboardsforandroid.linaro.org / platform / external / u-boot / ebad40419a14c182e1203af54734acdb7d90c24e / . / examples / standalone / Makefile
blob: 559170dd5c97305300db1675c3343f0f90c6ba9b [file] [log] [blame]
Tom Rini83d290c2018-05-06 17:58:06 -0400[diff] [blame]1# SPDX-License-Identifier: GPL-2.0+
wdenk717b5aa2002-04-27 11:09:31 +0000[diff] [blame]2#
Marian Balakowiczf9328632006-09-01 19:49:50 +0200[diff] [blame]3# (C) Copyright 2000-2006
wdenk717b5aa2002-04-27 11:09:31 +0000[diff] [blame]4# Wolfgang Denk, DENX Software Engineering, wd@denx.de.
wdenk717b5aa2002-04-27 11:09:31 +0000[diff] [blame]5
Masahiro Yamada4a20df32014-02-04 17:24:12 +0900[diff] [blame]6extra-y := hello_world
Masahiro Yamada4a20df32014-02-04 17:24:12 +0900[diff] [blame]7extra-$(CONFIG_SPI_FLASH_ATMEL) += atmel_df_pow2
Masahiro Yamada4a20df32014-02-04 17:24:12 +0900[diff] [blame]8extra-$(CONFIG_PPC) += sched
Mike Frysinger65f6f072009-07-23 16:37:03 -0400[diff] [blame]9
Sanjeev Premi604f7ce2009-11-09 22:43:00 +0530[diff] [blame]10#
11# Some versions of make do not handle trailing white spaces properly;
12# leading to build failures. The problem was found with GNU Make 3.80.
13# Using 'strip' as a workaround for the problem.
14#
Masahiro Yamada4a20df32014-02-04 17:24:12 +0900[diff] [blame]15ELF := $(strip $(extra-y))
Sanjeev Premi604f7ce2009-11-09 22:43:00 +0530[diff] [blame]16
Masahiro Yamada4a20df32014-02-04 17:24:12 +0900[diff] [blame]17extra-y += $(addsuffix .srec,$(extra-y)) $(addsuffix .bin,$(extra-y))
Masahiro Yamada8e714432014-09-05 01:56:52 +0900[diff] [blame]18clean-files := *.srec *.bin
Masahiro Yamada4a20df32014-02-04 17:24:12 +0900[diff] [blame]19
Mike Frysinger557555f2009-09-04 19:54:45 -0400[diff] [blame]20COBJS := $(ELF:=.o)
wdenk717b5aa2002-04-27 11:09:31 +0000[diff] [blame]21
Masahiro Yamada9e414032014-02-04 17:24:24 +0900[diff] [blame]22LIB = $(obj)/libstubs.o
Mike Frysinger557555f2009-09-04 19:54:45 -0400[diff] [blame]23
Masahiro Yamada04a34c92014-02-24 11:12:19 +0900[diff] [blame]24LIBOBJS-$(CONFIG_PPC) += ppc_longjmp.o ppc_setjmp.o
Masahiro Yamada04a34c92014-02-24 11:12:19 +0900[diff] [blame]25LIBOBJS-y += stubs.o
Marian Balakowiczf9328632006-09-01 19:49:50 +0200[diff] [blame]26
Masahiro Yamada04a34c92014-02-24 11:12:19 +0900[diff] [blame]27targets += $(patsubst $(obj)/%,%,$(LIB)) $(COBJS) $(LIBOBJS-y)
Masahiro Yamada6825a952014-02-04 17:24:28 +0900[diff] [blame]28
Masahiro Yamada04a34c92014-02-24 11:12:19 +0900[diff] [blame]29LIBOBJS := $(addprefix $(obj)/,$(LIBOBJS-y))
Masahiro Yamada9e414032014-02-04 17:24:24 +0900[diff] [blame]30ELF := $(addprefix $(obj)/,$(ELF))
wdenk717b5aa2002-04-27 11:09:31 +0000[diff] [blame]31
Tom Rini332f4802023-03-09 11:22:09 -0500[diff] [blame]32# Disable LTO for these builds
33CFLAGS_REMOVE_hello_world.o := $(LTO_CFLAGS)
34CFLAGS_REMOVE_stubs.o := $(LTO_CFLAGS)
35
Peter Tyser620bbba2010-06-15 21:48:25 +0200[diff] [blame]36# For PowerPC there's no need to compile standalone applications as a
37# relocatable executable. The relocation data is not needed, and
38# also causes the entry point of the standalone application to be
39# inconsistent.
Masahiro Yamada026f9cf2014-03-05 16:59:40 +0900[diff] [blame]40ifeq ($(CONFIG_PPC),y)
41PLATFORM_CPPFLAGS := $(filter-out $(RELFLAGS),$(PLATFORM_CPPFLAGS))
Peter Tyser620bbba2010-06-15 21:48:25 +0200[diff] [blame]42endif
43
Peter Tyserc91d4562010-09-12 17:38:49 -0500[diff] [blame]44# We don't want gcc reordering functions if possible. This ensures that an
45# application's entry point will be the first function in the application's
46# source file.
Masahiro Yamada6825a952014-02-04 17:24:28 +0900[diff] [blame]47ccflags-y += $(call cc-option,-fno-toplevel-reorder)
wdenk717b5aa2002-04-27 11:09:31 +0000[diff] [blame]48
Daniel Schwierzeck1d3b97c2018-09-23 19:15:15 +0200[diff] [blame]49LDFLAGS_STANDALONE += -Ttext $(CONFIG_STANDALONE_LOAD_ADDR)
50
wdenk717b5aa2002-04-27 11:09:31 +0000[diff] [blame]51#########################################################################
Masahiro Yamada6825a952014-02-04 17:24:28 +0900[diff] [blame]52
53quiet_cmd_link_lib = LD $@
54 cmd_link_lib = $(LD) $(ld_flags) -r -o $@ $(filter $(LIBOBJS), $^)
55
56$(LIB): $(LIBOBJS) FORCE
57 $(call if_changed,link_lib)
wdenk717b5aa2002-04-27 11:09:31 +0000[diff] [blame]58
Masahiro Yamada04a34c92014-02-24 11:12:19 +0900[diff] [blame]59quiet_cmd_link_elf = LD $@
Tom Rini587e4a42020-03-27 11:46:27 -0400[diff] [blame]60 cmd_link_elf = $(LD) $(KBUILD_LDFLAGS) $(LDFLAGS_STANDALONE) -g \
Alexey Brodkine75e73d2014-05-16 12:54:17 +0400[diff] [blame]61 -o $@ -e $(SYM_PREFIX)$(@F) $< $(LIB) $(PLATFORM_LIBGCC)
Masahiro Yamada04a34c92014-02-24 11:12:19 +0900[diff] [blame]62
63$(ELF): $(obj)/%: $(obj)/%.o $(LIB) FORCE
64 $(call if_changed,link_elf)
Wolfgang Denk96582982006-10-24 13:55:18 +0200[diff] [blame]65
Daniel Schwierzeckd3a9ba72018-09-23 19:15:16 +0200[diff] [blame]66$(obj)/%.srec: OBJCOPYFLAGS += -O srec
Masahiro Yamadaf9c235f2014-02-24 11:12:14 +0900[diff] [blame]67$(obj)/%.srec: $(obj)/% FORCE
68 $(call if_changed,objcopy)
wdenk717b5aa2002-04-27 11:09:31 +0000[diff] [blame]69
Daniel Schwierzeckd3a9ba72018-09-23 19:15:16 +0200[diff] [blame]70$(obj)/%.bin: OBJCOPYFLAGS += -O binary
Masahiro Yamadaf9c235f2014-02-24 11:12:14 +0900[diff] [blame]71$(obj)/%.bin: $(obj)/% FORCE
72 $(call if_changed,objcopy)
Albert ARIBAUD62e92072015-10-23 18:06:40 +0200[diff] [blame]73
74# some files can only build in ARM or THUMB2, not THUMB1
75
76ifdef CONFIG_SYS_THUMB_BUILD
77ifndef CONFIG_HAS_THUMB2
78
79CFLAGS_stubs.o := -marm
80
81endif
82endif