Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1# SPDX-License-Identifier: GPL-2.0
2#
3# This is a simple Makefile to test some of the RAID-6 code
4# from userspace.
5#
6
7pound := \#
8
9# Adjust as desired
10CC = gcc
11OPTFLAGS = -O2
12CFLAGS = -I.. -I ../../../include -g $(OPTFLAGS)
13LD = ld
14AWK = awk -f
15AR = ar
16RANLIB = ranlib
17OBJS = int1.o int2.o int4.o int8.o int16.o int32.o recov.o algos.o tables.o
18
19ARCH := $(shell uname -m 2>/dev/null | sed -e /s/i.86/i386/)
20ifeq ($(ARCH),i386)
21 CFLAGS += -DCONFIG_X86_32
22 IS_X86 = yes
23endif
24ifeq ($(ARCH),x86_64)
25 CFLAGS += -DCONFIG_X86_64
26 IS_X86 = yes
27endif
28
29ifeq ($(ARCH),arm)
30 CFLAGS += -I../../../arch/arm/include -mfpu=neon
31 HAS_NEON = yes
32endif
33ifeq ($(ARCH),aarch64)
34 CFLAGS += -I../../../arch/arm64/include
35 HAS_NEON = yes
36endif
37
38ifeq ($(findstring riscv,$(ARCH)),riscv)
39 CFLAGS += -I../../../arch/riscv/include -DCONFIG_RISCV=1
40 HAS_RVV = yes
41endif
42
43ifeq ($(findstring ppc,$(ARCH)),ppc)
44 CFLAGS += -I../../../arch/powerpc/include
45 HAS_ALTIVEC := $(shell printf '$(pound)include <altivec.h>\nvector int a;\n' |\
46 gcc -c -x c - >/dev/null && rm ./-.o && echo yes)
47endif
48
49ifeq ($(ARCH),loongarch64)
50 CFLAGS += -I../../../arch/loongarch/include -DCONFIG_LOONGARCH=1
51 CFLAGS += $(shell echo 'vld $$vr0, $$zero, 0' | \
52 gcc -c -x assembler - >/dev/null 2>&1 && \
53 rm ./-.o && echo -DCONFIG_CPU_HAS_LSX=1)
54 CFLAGS += $(shell echo 'xvld $$xr0, $$zero, 0' | \
55 gcc -c -x assembler - >/dev/null 2>&1 && \
56 rm ./-.o && echo -DCONFIG_CPU_HAS_LASX=1)
57endif
58
59ifeq ($(IS_X86),yes)
60 OBJS += mmx.o sse1.o sse2.o avx2.o recov_ssse3.o recov_avx2.o avx512.o recov_avx512.o
61 CFLAGS += -DCONFIG_X86
62else ifeq ($(HAS_NEON),yes)
63 OBJS += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o
64 CFLAGS += -DCONFIG_KERNEL_MODE_NEON=1
65else ifeq ($(HAS_ALTIVEC),yes)
66 CFLAGS += -DCONFIG_ALTIVEC
67 OBJS += altivec1.o altivec2.o altivec4.o altivec8.o \
68 vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o
69else ifeq ($(ARCH),loongarch64)
70 OBJS += loongarch_simd.o recov_loongarch_simd.o
71else ifeq ($(HAS_RVV),yes)
72 OBJS += rvv.o recov_rvv.o
73 CFLAGS += -DCONFIG_RISCV_ISA_V=1
74endif
75
76.c.o:
77 $(CC) $(CFLAGS) -c -o $@ $<
78
79%.c: ../%.c
80 cp -f $< $@
81
82%.uc: ../%.uc
83 cp -f $< $@
84
85all: raid6.a raid6test
86
87raid6.a: $(OBJS)
88 rm -f $@
89 $(AR) cq $@ $^
90 $(RANLIB) $@
91
92raid6test: test.c raid6.a
93 $(CC) $(CFLAGS) -o raid6test $^
94
95neon1.c: neon.uc ../unroll.awk
96 $(AWK) ../unroll.awk -vN=1 < neon.uc > $@
97
98neon2.c: neon.uc ../unroll.awk
99 $(AWK) ../unroll.awk -vN=2 < neon.uc > $@
100
101neon4.c: neon.uc ../unroll.awk
102 $(AWK) ../unroll.awk -vN=4 < neon.uc > $@
103
104neon8.c: neon.uc ../unroll.awk
105 $(AWK) ../unroll.awk -vN=8 < neon.uc > $@
106
107altivec1.c: altivec.uc ../unroll.awk
108 $(AWK) ../unroll.awk -vN=1 < altivec.uc > $@
109
110altivec2.c: altivec.uc ../unroll.awk
111 $(AWK) ../unroll.awk -vN=2 < altivec.uc > $@
112
113altivec4.c: altivec.uc ../unroll.awk
114 $(AWK) ../unroll.awk -vN=4 < altivec.uc > $@
115
116altivec8.c: altivec.uc ../unroll.awk
117 $(AWK) ../unroll.awk -vN=8 < altivec.uc > $@
118
119vpermxor1.c: vpermxor.uc ../unroll.awk
120 $(AWK) ../unroll.awk -vN=1 < vpermxor.uc > $@
121
122vpermxor2.c: vpermxor.uc ../unroll.awk
123 $(AWK) ../unroll.awk -vN=2 < vpermxor.uc > $@
124
125vpermxor4.c: vpermxor.uc ../unroll.awk
126 $(AWK) ../unroll.awk -vN=4 < vpermxor.uc > $@
127
128vpermxor8.c: vpermxor.uc ../unroll.awk
129 $(AWK) ../unroll.awk -vN=8 < vpermxor.uc > $@
130
131int1.c: int.uc ../unroll.awk
132 $(AWK) ../unroll.awk -vN=1 < int.uc > $@
133
134int2.c: int.uc ../unroll.awk
135 $(AWK) ../unroll.awk -vN=2 < int.uc > $@
136
137int4.c: int.uc ../unroll.awk
138 $(AWK) ../unroll.awk -vN=4 < int.uc > $@
139
140int8.c: int.uc ../unroll.awk
141 $(AWK) ../unroll.awk -vN=8 < int.uc > $@
142
143int16.c: int.uc ../unroll.awk
144 $(AWK) ../unroll.awk -vN=16 < int.uc > $@
145
146int32.c: int.uc ../unroll.awk
147 $(AWK) ../unroll.awk -vN=32 < int.uc > $@
148
149tables.c: mktables
150 ./mktables > tables.c
151
152clean:
153 rm -f *.o *.a mktables mktables.c *.uc int*.c altivec*.c vpermxor*.c neon*.c tables.c raid6test
154
155spotless: clean
156 rm -f *~