summaryrefslogtreecommitdiffstats
path: root/lib/raid6/Makefile
blob: e723eacf7868d2af4442355b37480cc6f6c36d60 (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
# SPDX-License-Identifier: GPL-2.0
obj-$(CONFIG_RAID6_PQ)	+= raid6_pq.o

raid6_pq-y	+= algos.o recov.o tables.o int1.o int2.o int4.o \
		   int8.o int16.o int32.o

raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o avx512.o recov_avx512.o
raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o \
                              vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o
raid6_pq-$(CONFIG_KERNEL_MODE_NEON) += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o
raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s390xc.o

hostprogs-y	+= mktables

quiet_cmd_unroll = UNROLL  $@
      cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$(UNROLL) < $< > $@

ifeq ($(CONFIG_ALTIVEC),y)
altivec_flags := -maltivec $(call cc-option,-mabi=altivec)

ifdef CONFIG_CC_IS_CLANG
# clang ppc port does not yet support -maltivec when -msoft-float is
# enabled. A future release of clang will resolve this
# https://bugs.llvm.org/show_bug.cgi?id=31177
CFLAGS_REMOVE_altivec1.o  += -msoft-float
CFLAGS_REMOVE_altivec2.o  += -msoft-float
CFLAGS_REMOVE_altivec4.o  += -msoft-float
CFLAGS_REMOVE_altivec8.o  += -msoft-float
CFLAGS_REMOVE_altivec8.o  += -msoft-float
CFLAGS_REMOVE_vpermxor1.o += -msoft-float
CFLAGS_REMOVE_vpermxor2.o += -msoft-float
CFLAGS_REMOVE_vpermxor4.o += -msoft-float
CFLAGS_REMOVE_vpermxor8.o += -msoft-float
endif
endif

# The GCC option -ffreestanding is required in order to compile code containing
# ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
NEON_FLAGS := -ffreestanding
ifeq ($(ARCH),arm)
NEON_FLAGS += -march=armv7-a -mfloat-abi=softfp -mfpu=neon
endif
CFLAGS_recov_neon_inner.o += $(NEON_FLAGS)
ifeq ($(ARCH),arm64)
CFLAGS_REMOVE_recov_neon_inner.o += -mgeneral-regs-only
CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only
CFLAGS_REMOVE_neon2.o += -mgeneral-regs-only
CFLAGS_REMOVE_neon4.o += -mgeneral-regs-only
CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only
endif
endif

targets += int1.c
$(obj)/int1.c:   UNROLL := 1
$(obj)/int1.c:   $(src)/int.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

targets += int2.c
$(obj)/int2.c:   UNROLL := 2
$(obj)/int2.c:   $(src)/int.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

targets += int4.c
$(obj)/int4.c:   UNROLL := 4
$(obj)/int4.c:   $(src)/int.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

targets += int8.c
$(obj)/int8.c:   UNROLL := 8
$(obj)/int8.c:   $(src)/int.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

targets += int16.c
$(obj)/int16.c:  UNROLL := 16
$(obj)/int16.c:  $(src)/int.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

targets += int32.c
$(obj)/int32.c:  UNROLL := 32
$(obj)/int32.c:  $(src)/int.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

CFLAGS_altivec1.o += $(altivec_flags)
targets += altivec1.c
$(obj)/altivec1.c:   UNROLL := 1
$(obj)/altivec1.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

CFLAGS_altivec2.o += $(altivec_flags)
targets += altivec2.c
$(obj)/altivec2.c:   UNROLL := 2
$(obj)/altivec2.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

CFLAGS_altivec4.o += $(altivec_flags)
targets += altivec4.c
$(obj)/altivec4.c:   UNROLL := 4
$(obj)/altivec4.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

CFLAGS_altivec8.o += $(altivec_flags)
targets += altivec8.c
$(obj)/altivec8.c:   UNROLL := 8
$(obj)/altivec8.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

CFLAGS_vpermxor1.o += $(altivec_flags)
targets += vpermxor1.c
$(obj)/vpermxor1.c: UNROLL := 1
$(obj)/vpermxor1.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

CFLAGS_vpermxor2.o += $(altivec_flags)
targets += vpermxor2.c
$(obj)/vpermxor2.c: UNROLL := 2
$(obj)/vpermxor2.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

CFLAGS_vpermxor4.o += $(altivec_flags)
targets += vpermxor4.c
$(obj)/vpermxor4.c: UNROLL := 4
$(obj)/vpermxor4.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

CFLAGS_vpermxor8.o += $(altivec_flags)
targets += vpermxor8.c
$(obj)/vpermxor8.c: UNROLL := 8
$(obj)/vpermxor8.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

CFLAGS_neon1.o += $(NEON_FLAGS)
targets += neon1.c
$(obj)/neon1.c:   UNROLL := 1
$(obj)/neon1.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

CFLAGS_neon2.o += $(NEON_FLAGS)
targets += neon2.c
$(obj)/neon2.c:   UNROLL := 2
$(obj)/neon2.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

CFLAGS_neon4.o += $(NEON_FLAGS)
targets += neon4.c
$(obj)/neon4.c:   UNROLL := 4
$(obj)/neon4.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

CFLAGS_neon8.o += $(NEON_FLAGS)
targets += neon8.c
$(obj)/neon8.c:   UNROLL := 8
$(obj)/neon8.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

targets += s390vx8.c
$(obj)/s390vx8.c:   UNROLL := 8
$(obj)/s390vx8.c:   $(src)/s390vx.uc $(src)/unroll.awk FORCE
	$(call if_changed,unroll)

quiet_cmd_mktable = TABLE   $@
      cmd_mktable = $(obj)/mktables > $@

targets += tables.c
$(obj)/tables.c: $(obj)/mktables FORCE
	$(call if_changed,mktable)