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6ef00196db
Reviewed-by: Brian Behlendorf <behlendorf1@llnl.gov> Co-authored-by: Rich Ercolani <rincebrain@gmail.com> Signed-off-by: Ahelenia Ziemiańska <nabijaczleweli@nabijaczleweli.xyz> Closes #12988 Closes #13209
70 lines
2.2 KiB
Makefile
70 lines
2.2 KiB
Makefile
ifneq ($(KBUILD_EXTMOD),)
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src = @abs_srcdir@
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obj = @abs_builddir@
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zstd_include = $(src)/include
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else
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zstd_include = $(srctree)/$(src)/include
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endif
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MODULE := zzstd
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obj-$(CONFIG_ZFS) := $(MODULE).o
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asflags-y := -I$(zstd_include)
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ccflags-y := -I$(zstd_include)
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# Zstd uses -O3 by default, so we should follow
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ccflags-y += -O3
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# -fno-tree-vectorize gets set for gcc in zstd/common/compiler.h
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# Set it for other compilers, too.
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common_flags := -fno-tree-vectorize
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# SSE register return with SSE disabled if -march=znverX is passed
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common_flags += -U__BMI__
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# Quiet warnings about frame size due to unused code in unmodified zstd lib
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common_flags += -Wframe-larger-than=20480
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ccflags-y += $(common_flags)
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vanilla-objs := lib/common/entropy_common.o \
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lib/common/error_private.o \
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lib/common/fse_decompress.o \
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lib/common/pool.o \
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lib/common/zstd_common.o \
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lib/compress/fse_compress.o \
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lib/compress/hist.o \
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lib/compress/huf_compress.o \
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lib/compress/zstd_compress_literals.o \
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lib/compress/zstd_compress_sequences.o \
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lib/compress/zstd_compress_superblock.o \
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lib/compress/zstd_compress.o \
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lib/compress/zstd_double_fast.o \
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lib/compress/zstd_fast.o \
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lib/compress/zstd_lazy.o \
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lib/compress/zstd_ldm.o \
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lib/compress/zstd_opt.o \
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lib/decompress/huf_decompress.o \
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lib/decompress/zstd_ddict.o \
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lib/decompress/zstd_decompress.o \
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lib/decompress/zstd_decompress_block.o
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# Disable aarch64 neon SIMD instructions for kernel mode
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$(addprefix $(obj)/,$(vanilla-objs)) : ccflags-y += -include $(zstd_include)/aarch64_compat.h -include $(zstd_include)/zstd_compat_wrapper.h -Wp,-w $(common_flags)
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$(obj)/zfs_zstd.o: ccflags-y += -include $(zstd_include)/zstd_compat_wrapper.h $(common_flags)
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$(MODULE)-objs += zfs_zstd.o
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$(MODULE)-objs += zstd_sparc.o
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$(MODULE)-objs += $(vanilla-objs)
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all:
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mkdir -p lib/common lib/compress lib/decompress
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gensymbols:
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for obj in $(vanilla-objs); do echo; echo "/* $$obj: */"; @OBJDUMP@ -t $$obj | awk '$$2 == "g" && !/ zfs_/ {print "#define\t" $$6 " zfs_" $$6}' | sort; done >> include/zstd_compat_wrapper.h
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checksymbols:
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@OBJDUMP@ -t $(vanilla-objs) | awk '/file format/ {print} $$2 == "g" && !/ zfs_/ {++ret; print} END {exit ret}'
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