mirror of
https://github.com/torvalds/linux.git
synced 2024-11-22 12:11:40 +00:00
4bd04b2037
Every compiler flag added by arch/sh/Makefile is passed to the
compiler twice:
$(KBUILD_CPPFLAGS) + $(KBUILD_CFLAGS) is used for compiling *.c
$(KBUILD_CPPFLAGS) + $(KBUILD_AFLAGS) is used for compiling *.S
Given the above, adding $(cflags-y) to all of KBUILD_{CPP/C/A}FLAGS
ends up with duplication.
Add -I options to $(KBUILD_CPPFLAGS), and the rest of $(cflags-y)
to KBUILD_{C,A}FLAGS.
Signed-off-by: Masahiro Yamada <masahiroy@kernel.org>
Acked-by: Randy Dunlap <rdunlap@infradead.org>
Tested-by: Randy Dunlap <rdunlap@infradead.org>
Reviewed-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
Link: https://lore.kernel.org/r/20230219141555.2308306-4-masahiroy@kernel.org
Signed-off-by: John Paul Adrian Glaubitz <glaubitz@physik.fu-berlin.de>
194 lines
6.5 KiB
Makefile
194 lines
6.5 KiB
Makefile
#
|
|
# arch/sh/Makefile
|
|
#
|
|
# Copyright (C) 1999 Kaz Kojima
|
|
# Copyright (C) 2002 - 2008 Paul Mundt
|
|
# Copyright (C) 2002 M. R. Brown
|
|
#
|
|
# This file is subject to the terms and conditions of the GNU General Public
|
|
# License. See the file "COPYING" in the main directory of this archive
|
|
# for more details.
|
|
#
|
|
ifdef cross_compiling
|
|
ifeq ($(CROSS_COMPILE),)
|
|
CROSS_COMPILE := $(call cc-cross-prefix, sh-linux- sh-linux-gnu- sh-unknown-linux-gnu-)
|
|
endif
|
|
endif
|
|
|
|
KBUILD_DEFCONFIG := shx3_defconfig
|
|
|
|
isa-y := any
|
|
isa-$(CONFIG_SH_DSP) := sh
|
|
isa-$(CONFIG_CPU_SH2) := sh2
|
|
isa-$(CONFIG_CPU_SH2A) := sh2a
|
|
isa-$(CONFIG_CPU_SH3) := sh3
|
|
isa-$(CONFIG_CPU_SH4) := sh4
|
|
isa-$(CONFIG_CPU_SH4A) := sh4a
|
|
isa-$(CONFIG_CPU_SH4AL_DSP) := sh4al
|
|
|
|
isa-$(CONFIG_SH_DSP) := $(isa-y)-dsp
|
|
isa-y := $(isa-y)-up
|
|
|
|
cflags-$(CONFIG_CPU_SH2) := $(call cc-option,-m2,)
|
|
cflags-$(CONFIG_CPU_J2) += $(call cc-option,-mj2,)
|
|
cflags-$(CONFIG_CPU_SH2A) += $(call cc-option,-m2a,) \
|
|
$(call cc-option,-m2a-nofpu,) \
|
|
$(call cc-option,-m4-nofpu,)
|
|
cflags-$(CONFIG_CPU_SH3) := $(call cc-option,-m3,)
|
|
cflags-$(CONFIG_CPU_SH4) := $(call cc-option,-m4,) \
|
|
$(call cc-option,-mno-implicit-fp,-m4-nofpu)
|
|
cflags-$(CONFIG_CPU_SH4A) += $(call cc-option,-m4a,) \
|
|
$(call cc-option,-m4a-nofpu,)
|
|
cflags-$(CONFIG_CPU_SH4AL_DSP) += $(call cc-option,-m4al,)
|
|
|
|
ifeq ($(cflags-y),)
|
|
#
|
|
# In the case where we are stuck with a compiler that has been uselessly
|
|
# restricted to a particular ISA, a favourite default of newer GCCs when
|
|
# extensive multilib targets are not provided, ensure we get the best fit
|
|
# regarding FP generation. This is intentionally stupid (albeit many
|
|
# orders of magnitude less than GCC's default behaviour), as anything
|
|
# with a large number of multilib targets better have been built
|
|
# correctly for the target in mind.
|
|
#
|
|
cflags-y += $(shell $(CC) $(KBUILD_CFLAGS) -print-multi-lib | \
|
|
grep nofpu | sed q | sed -e 's/^/-/;s/;.*$$//')
|
|
# At this point, anything goes.
|
|
isaflags-y := $(call as-option,-Wa$(comma)-isa=any,)
|
|
else
|
|
#
|
|
# -Wa,-isa= tuning implies -Wa,-dsp for the versions of binutils that
|
|
# support it, while -Wa,-dsp by itself limits the range of usable opcodes
|
|
# on certain CPU subtypes. Try the ISA variant first, and if that fails,
|
|
# fall back on -Wa,-dsp for the old binutils versions. Even without DSP
|
|
# opcodes, we always want the best ISA tuning the version of binutils
|
|
# will provide.
|
|
#
|
|
isaflags-y := $(call as-option,-Wa$(comma)-isa=$(isa-y),)
|
|
|
|
isaflags-$(CONFIG_SH_DSP) := \
|
|
$(call as-option,-Wa$(comma)-isa=$(isa-y),-Wa$(comma)-dsp)
|
|
endif
|
|
|
|
cflags-$(CONFIG_CPU_BIG_ENDIAN) += -mb
|
|
cflags-$(CONFIG_CPU_LITTLE_ENDIAN) += -ml
|
|
|
|
cflags-y += $(call cc-option,-mno-fdpic)
|
|
cflags-y += $(isaflags-y) -ffreestanding
|
|
|
|
OBJCOPYFLAGS := -O binary -R .note -R .note.gnu.build-id -R .comment \
|
|
-R .stab -R .stabstr -S
|
|
|
|
# Give the various platforms the opportunity to set default image types
|
|
defaultimage-y := zImage
|
|
defaultimage-$(CONFIG_SH_SH7785LCR) := uImage
|
|
defaultimage-$(CONFIG_SH_RSK) := uImage
|
|
defaultimage-$(CONFIG_SH_URQUELL) := uImage
|
|
defaultimage-$(CONFIG_SH_MIGOR) := uImage
|
|
defaultimage-$(CONFIG_SH_AP325RXA) := uImage
|
|
defaultimage-$(CONFIG_SH_SH7757LCR) := uImage
|
|
defaultimage-$(CONFIG_SH_7724_SOLUTION_ENGINE) := uImage
|
|
defaultimage-$(CONFIG_SH_7206_SOLUTION_ENGINE) := vmlinux
|
|
defaultimage-$(CONFIG_SH_7619_SOLUTION_ENGINE) := vmlinux
|
|
|
|
# Set some sensible Kbuild defaults
|
|
boot := arch/sh/boot
|
|
KBUILD_IMAGE := $(boot)/$(defaultimage-y)
|
|
|
|
#
|
|
# Choosing incompatible machines durings configuration will result in
|
|
# error messages during linking.
|
|
#
|
|
UTS_MACHINE := sh
|
|
LDFLAGS_vmlinux += -e _stext
|
|
|
|
ifdef CONFIG_CPU_LITTLE_ENDIAN
|
|
ld-bfd := elf32-sh-linux
|
|
LDFLAGS_vmlinux += --defsym jiffies=jiffies_64 --oformat $(ld-bfd)
|
|
KBUILD_LDFLAGS += -EL
|
|
else
|
|
ld-bfd := elf32-shbig-linux
|
|
LDFLAGS_vmlinux += --defsym jiffies=jiffies_64+4 --oformat $(ld-bfd)
|
|
KBUILD_LDFLAGS += -EB
|
|
endif
|
|
|
|
export ld-bfd
|
|
|
|
# Mach groups
|
|
machdir-$(CONFIG_SOLUTION_ENGINE) += mach-se
|
|
machdir-$(CONFIG_SH_DREAMCAST) += mach-dreamcast
|
|
machdir-$(CONFIG_SH_SH03) += mach-sh03
|
|
machdir-$(CONFIG_SH_MIGOR) += mach-migor
|
|
machdir-$(CONFIG_SH_KFR2R09) += mach-kfr2r09
|
|
machdir-$(CONFIG_SH_ECOVEC) += mach-ecovec24
|
|
machdir-$(CONFIG_SH_SDK7786) += mach-sdk7786
|
|
machdir-$(CONFIG_SH_X3PROTO) += mach-x3proto
|
|
machdir-$(CONFIG_SH_LANDISK) += mach-landisk
|
|
machdir-y += mach-common
|
|
|
|
#
|
|
# CPU header paths
|
|
#
|
|
# These are ordered by optimization level. A CPU family that is a subset
|
|
# of another (ie, SH-2A / SH-2), is picked up first, with increasing
|
|
# levels of genericness if nothing more suitable is situated in the
|
|
# hierarchy.
|
|
#
|
|
# As an example, in order of preference, SH-2A > SH-2 > common definitions.
|
|
#
|
|
cpuincdir-$(CONFIG_CPU_SH2A) += cpu-sh2a
|
|
cpuincdir-$(CONFIG_CPU_SH2) += cpu-sh2
|
|
cpuincdir-$(CONFIG_CPU_SH3) += cpu-sh3
|
|
cpuincdir-$(CONFIG_CPU_SH4A) += cpu-sh4a
|
|
cpuincdir-$(CONFIG_CPU_SH4) += cpu-sh4
|
|
cpuincdir-y += cpu-common # Must be last
|
|
|
|
drivers-y += arch/sh/drivers/
|
|
|
|
KBUILD_CPPFLAGS += $(addprefix -I $(srctree)/arch/sh/include/, $(cpuincdir-y) $(machdir-y))
|
|
KBUILD_CFLAGS += -pipe $(cflags-y)
|
|
KBUILD_AFLAGS += $(cflags-y)
|
|
|
|
ifeq ($(CONFIG_MCOUNT),y)
|
|
KBUILD_CFLAGS += -pg
|
|
endif
|
|
|
|
ifeq ($(CONFIG_DWARF_UNWINDER),y)
|
|
KBUILD_CFLAGS += -fasynchronous-unwind-tables
|
|
endif
|
|
|
|
libs-y := arch/sh/lib/ $(libs-y)
|
|
|
|
BOOT_TARGETS = uImage uImage.bz2 uImage.gz uImage.lzma uImage.xz uImage.lzo \
|
|
uImage.srec uImage.bin zImage vmlinux.bin vmlinux.srec \
|
|
romImage
|
|
PHONY += $(BOOT_TARGETS)
|
|
|
|
all: $(notdir $(KBUILD_IMAGE))
|
|
|
|
$(BOOT_TARGETS): vmlinux
|
|
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
|
|
|
|
compressed: zImage
|
|
|
|
archprepare:
|
|
$(Q)$(MAKE) $(build)=arch/sh/tools include/generated/machtypes.h
|
|
|
|
archheaders:
|
|
$(Q)$(MAKE) $(build)=arch/sh/kernel/syscalls all
|
|
|
|
define archhelp
|
|
@echo ' zImage - Compressed kernel image'
|
|
@echo ' romImage - Compressed ROM image, if supported'
|
|
@echo ' vmlinux.srec - Create an ELF S-record'
|
|
@echo ' vmlinux.bin - Create an uncompressed binary image'
|
|
@echo '* uImage - Alias to bootable U-Boot image'
|
|
@echo ' uImage.srec - Create an S-record for U-Boot'
|
|
@echo ' uImage.bin - Kernel-only image for U-Boot (bin)'
|
|
@echo '* uImage.gz - Kernel-only image for U-Boot (gzip)'
|
|
@echo ' uImage.bz2 - Kernel-only image for U-Boot (bzip2)'
|
|
@echo ' uImage.lzma - Kernel-only image for U-Boot (lzma)'
|
|
@echo ' uImage.xz - Kernel-only image for U-Boot (xz)'
|
|
@echo ' uImage.lzo - Kernel-only image for U-Boot (lzo)'
|
|
endef
|