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c425c546c0
Move the definition of CONFIG_CPU_*_ENDIAN to Kconfig, the best place for CONFIG options. I slightly simplified the test code. You can use the -P option to suppress linemarker generation. The grep command is unneeded. $ echo __XTENSA_EB__ | xtensa-linux-gcc -E - # 1 "<stdin>" # 1 "<built-in>" # 1 "<command-line>" # 1 "<stdin>" 1 $ echo __XTENSA_EB__ | xtensa-linux-gcc -E -P - 1 Signed-off-by: Masahiro Yamada <masahiroy@kernel.org> Message-Id: <20210313122342.69995-1-masahiroy@kernel.org> Signed-off-by: Max Filippov <jcmvbkbc@gmail.com>
32 lines
961 B
Makefile
32 lines
961 B
Makefile
#
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# This file is subject to the terms and conditions of the GNU General Public
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# License. See the file "COPYING" in the main directory of this archive
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# for more details.
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#
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OBJCOPY_ARGS := -O $(if $(CONFIG_CPU_BIG_ENDIAN),elf32-xtensa-be,elf32-xtensa-le)
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LD_ARGS = -T $(srctree)/$(obj)/boot.ld
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boot-y := bootstrap.o
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targets += $(boot-y)
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OBJS := $(addprefix $(obj)/,$(boot-y))
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LIBS := arch/xtensa/boot/lib/lib.a arch/xtensa/lib/lib.a
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LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
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$(obj)/zImage.o: $(obj)/../vmlinux.bin.gz $(OBJS)
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$(Q)$(OBJCOPY) $(OBJCOPY_ARGS) -R .comment \
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--add-section image=$< \
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--set-section-flags image=contents,alloc,load,load,data \
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$(OBJS) $@
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$(obj)/zImage.elf: $(obj)/zImage.o $(LIBS)
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$(Q)$(LD) $(LD_ARGS) -o $@ $^ -L/xtensa-elf/lib $(LIBGCC)
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$(obj)/../zImage.redboot: $(obj)/zImage.elf
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$(Q)$(OBJCOPY) -S -O binary $< $@
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$(Q)$(kecho) ' Kernel: $@ is ready'
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all zImage: $(obj)/../zImage.redboot
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