Makefile
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# SPDX-License-Identifier: GPL-2.0
#
# This is a simple Makefile to test some of the RAID-6 code
# from userspace.
#
CC = gcc
OPTFLAGS = -O2 # Adjust as desired
CFLAGS = -I.. -I ../../../include -g $(OPTFLAGS)
LD = ld
AWK = awk -f
AR = ar
RANLIB = ranlib
OBJS = int1.o int2.o int4.o int8.o int16.o int32.o recov.o algos.o tables.o
ARCH := $(shell uname -m 2>/dev/null | sed -e /s/i.86/i386/)
ifeq ($(ARCH),i386)
CFLAGS += -DCONFIG_X86_32
IS_X86 = yes
endif
ifeq ($(ARCH),x86_64)
CFLAGS += -DCONFIG_X86_64
IS_X86 = yes
endif
ifeq ($(ARCH),arm)
CFLAGS += -I../../../arch/arm/include -mfpu=neon
HAS_NEON = yes
endif
ifeq ($(ARCH),aarch64)
CFLAGS += -I../../../arch/arm64/include
HAS_NEON = yes
endif
ifeq ($(IS_X86),yes)
OBJS += mmx.o sse1.o sse2.o avx2.o recov_ssse3.o recov_avx2.o avx512.o recov_avx512.o
CFLAGS += $(shell echo "vpbroadcastb %xmm0, %ymm1" | \
gcc -c -x assembler - >&/dev/null && \
rm ./-.o && echo -DCONFIG_AS_AVX2=1)
CFLAGS += $(shell echo "vpmovm2b %k1, %zmm5" | \
gcc -c -x assembler - >&/dev/null && \
rm ./-.o && echo -DCONFIG_AS_AVX512=1)
else ifeq ($(HAS_NEON),yes)
OBJS += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o
CFLAGS += -DCONFIG_KERNEL_MODE_NEON=1
else
HAS_ALTIVEC := $(shell printf '\#include <altivec.h>\nvector int a;\n' |\
gcc -c -x c - >&/dev/null && \
rm ./-.o && echo yes)
ifeq ($(HAS_ALTIVEC),yes)
OBJS += altivec1.o altivec2.o altivec4.o altivec8.o
endif
endif
ifeq ($(ARCH),tilegx)
OBJS += tilegx8.o
endif
.c.o:
$(CC) $(CFLAGS) -c -o $@ $<
%.c: ../%.c
cp -f $< $@
%.uc: ../%.uc
cp -f $< $@
all: raid6.a raid6test
raid6.a: $(OBJS)
rm -f $@
$(AR) cq $@ $^
$(RANLIB) $@
raid6test: test.c raid6.a
$(CC) $(CFLAGS) -o raid6test $^
neon1.c: neon.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=1 < neon.uc > $@
neon2.c: neon.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=2 < neon.uc > $@
neon4.c: neon.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=4 < neon.uc > $@
neon8.c: neon.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=8 < neon.uc > $@
altivec1.c: altivec.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=1 < altivec.uc > $@
altivec2.c: altivec.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=2 < altivec.uc > $@
altivec4.c: altivec.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=4 < altivec.uc > $@
altivec8.c: altivec.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=8 < altivec.uc > $@
int1.c: int.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=1 < int.uc > $@
int2.c: int.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=2 < int.uc > $@
int4.c: int.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=4 < int.uc > $@
int8.c: int.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=8 < int.uc > $@
int16.c: int.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=16 < int.uc > $@
int32.c: int.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=32 < int.uc > $@
tilegx8.c: tilegx.uc ../unroll.awk
$(AWK) ../unroll.awk -vN=8 < tilegx.uc > $@
tables.c: mktables
./mktables > tables.c
clean:
rm -f *.o *.a mktables mktables.c *.uc int*.c altivec*.c neon*.c tables.c raid6test
rm -f tilegx*.c
spotless: clean
rm -f *~