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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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d503ac531a
Commita0f97e06a4("kbuild: enable 'make CFLAGS=...' to add additional options to CC") renamed CFLAGS to KBUILD_CFLAGS. Commit222d394d30("kbuild: enable 'make AFLAGS=...' to add additional options to AS") renamed AFLAGS to KBUILD_AFLAGS. Commit06c5040cdb("kbuild: enable 'make CPPFLAGS=...' to add additional options to CPP") renamed CPPFLAGS to KBUILD_CPPFLAGS. For some reason, LDFLAGS was not renamed. Using a well-known variable like LDFLAGS may result in accidental override of the variable. Kbuild generally uses KBUILD_ prefixed variables for the internally appended options, so here is one more conversion to sanitize the naming convention. I did not touch Makefiles under tools/ since the tools build system is a different world. Signed-off-by: Masahiro Yamada <yamada.masahiro@socionext.com> Acked-by: Kirill A. Shutemov <kirill.shutemov@linux.intel.com> Reviewed-by: Palmer Dabbelt <palmer@sifive.com>
41 lines
1.2 KiB
Makefile
41 lines
1.2 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
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# Makefile for the Hexagon arch
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KBUILD_DEFCONFIG = comet_defconfig
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# Do not use GP-relative jumps
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KBUILD_CFLAGS += -G0
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LDFLAGS_vmlinux += -G0
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# Do not use single-byte enums; these will overflow.
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KBUILD_CFLAGS += -fno-short-enums
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# Modules must use either long-calls, or use pic/plt.
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# Use long-calls for now, it's easier. And faster.
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# KBUILD_CFLAGS_MODULE += -fPIC
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# KBUILD_LDFLAGS_MODULE += -shared
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KBUILD_CFLAGS_MODULE += -mlong-calls
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cflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION})
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aflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION})
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ldflags-y += $(call cc-option,-mv${CONFIG_HEXAGON_ARCH_VERSION})
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KBUILD_CFLAGS += $(cflags-y)
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KBUILD_AFLAGS += $(aflags-y)
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KBUILD_LDFLAGS += $(ldflags-y)
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# Thread-info register will be r19. This value is not configureable;
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# it is hard-coded in several files.
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TIR_NAME := r19
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KBUILD_CFLAGS += -ffixed-$(TIR_NAME) -DTHREADINFO_REG=$(TIR_NAME) -D__linux__
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KBUILD_AFLAGS += -DTHREADINFO_REG=$(TIR_NAME)
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LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
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libs-y += $(LIBGCC)
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head-y := arch/hexagon/kernel/head.o
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core-y += arch/hexagon/kernel/ \
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arch/hexagon/mm/ \
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arch/hexagon/lib/
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