1 # SPDX-License-Identifier: GPL-2.0
2 obj-$(CONFIG_RAID6_PQ) += raid6_pq.o
4 raid6_pq-y += algos.o recov.o tables.o int1.o int2.o int4.o \
7 raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o avx512.o recov_avx512.o
8 raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o \
9 vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o
10 raid6_pq-$(CONFIG_KERNEL_MODE_NEON) += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o
11 raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s390xc.o
13 hostprogs-y += mktables
15 quiet_cmd_unroll = UNROLL $@
16 cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$(UNROLL) \
17 < $< > $@ || ( rm -f $@ && exit 1 )
19 ifeq ($(CONFIG_ALTIVEC),y)
20 altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
22 ifdef CONFIG_CC_IS_CLANG
23 # clang ppc port does not yet support -maltivec when -msoft-float is
24 # enabled. A future release of clang will resolve this
25 # https://bugs.llvm.org/show_bug.cgi?id=31177
26 CFLAGS_REMOVE_altivec1.o += -msoft-float
27 CFLAGS_REMOVE_altivec2.o += -msoft-float
28 CFLAGS_REMOVE_altivec4.o += -msoft-float
29 CFLAGS_REMOVE_altivec8.o += -msoft-float
30 CFLAGS_REMOVE_altivec8.o += -msoft-float
31 CFLAGS_REMOVE_vpermxor1.o += -msoft-float
32 CFLAGS_REMOVE_vpermxor2.o += -msoft-float
33 CFLAGS_REMOVE_vpermxor4.o += -msoft-float
34 CFLAGS_REMOVE_vpermxor8.o += -msoft-float
38 # The GCC option -ffreestanding is required in order to compile code containing
39 # ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
40 ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
41 NEON_FLAGS := -ffreestanding
43 NEON_FLAGS += -mfloat-abi=softfp -mfpu=neon
45 CFLAGS_recov_neon_inner.o += $(NEON_FLAGS)
47 CFLAGS_REMOVE_recov_neon_inner.o += -mgeneral-regs-only
48 CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only
49 CFLAGS_REMOVE_neon2.o += -mgeneral-regs-only
50 CFLAGS_REMOVE_neon4.o += -mgeneral-regs-only
51 CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only
56 $(obj)/int1.c: UNROLL := 1
57 $(obj)/int1.c: $(src)/int.uc $(src)/unroll.awk FORCE
58 $(call if_changed,unroll)
61 $(obj)/int2.c: UNROLL := 2
62 $(obj)/int2.c: $(src)/int.uc $(src)/unroll.awk FORCE
63 $(call if_changed,unroll)
66 $(obj)/int4.c: UNROLL := 4
67 $(obj)/int4.c: $(src)/int.uc $(src)/unroll.awk FORCE
68 $(call if_changed,unroll)
71 $(obj)/int8.c: UNROLL := 8
72 $(obj)/int8.c: $(src)/int.uc $(src)/unroll.awk FORCE
73 $(call if_changed,unroll)
76 $(obj)/int16.c: UNROLL := 16
77 $(obj)/int16.c: $(src)/int.uc $(src)/unroll.awk FORCE
78 $(call if_changed,unroll)
81 $(obj)/int32.c: UNROLL := 32
82 $(obj)/int32.c: $(src)/int.uc $(src)/unroll.awk FORCE
83 $(call if_changed,unroll)
85 CFLAGS_altivec1.o += $(altivec_flags)
87 $(obj)/altivec1.c: UNROLL := 1
88 $(obj)/altivec1.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
89 $(call if_changed,unroll)
91 CFLAGS_altivec2.o += $(altivec_flags)
93 $(obj)/altivec2.c: UNROLL := 2
94 $(obj)/altivec2.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
95 $(call if_changed,unroll)
97 CFLAGS_altivec4.o += $(altivec_flags)
99 $(obj)/altivec4.c: UNROLL := 4
100 $(obj)/altivec4.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
101 $(call if_changed,unroll)
103 CFLAGS_altivec8.o += $(altivec_flags)
104 targets += altivec8.c
105 $(obj)/altivec8.c: UNROLL := 8
106 $(obj)/altivec8.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
107 $(call if_changed,unroll)
109 CFLAGS_vpermxor1.o += $(altivec_flags)
110 targets += vpermxor1.c
111 $(obj)/vpermxor1.c: UNROLL := 1
112 $(obj)/vpermxor1.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
113 $(call if_changed,unroll)
115 CFLAGS_vpermxor2.o += $(altivec_flags)
116 targets += vpermxor2.c
117 $(obj)/vpermxor2.c: UNROLL := 2
118 $(obj)/vpermxor2.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
119 $(call if_changed,unroll)
121 CFLAGS_vpermxor4.o += $(altivec_flags)
122 targets += vpermxor4.c
123 $(obj)/vpermxor4.c: UNROLL := 4
124 $(obj)/vpermxor4.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
125 $(call if_changed,unroll)
127 CFLAGS_vpermxor8.o += $(altivec_flags)
128 targets += vpermxor8.c
129 $(obj)/vpermxor8.c: UNROLL := 8
130 $(obj)/vpermxor8.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
131 $(call if_changed,unroll)
133 CFLAGS_neon1.o += $(NEON_FLAGS)
135 $(obj)/neon1.c: UNROLL := 1
136 $(obj)/neon1.c: $(src)/neon.uc $(src)/unroll.awk FORCE
137 $(call if_changed,unroll)
139 CFLAGS_neon2.o += $(NEON_FLAGS)
141 $(obj)/neon2.c: UNROLL := 2
142 $(obj)/neon2.c: $(src)/neon.uc $(src)/unroll.awk FORCE
143 $(call if_changed,unroll)
145 CFLAGS_neon4.o += $(NEON_FLAGS)
147 $(obj)/neon4.c: UNROLL := 4
148 $(obj)/neon4.c: $(src)/neon.uc $(src)/unroll.awk FORCE
149 $(call if_changed,unroll)
151 CFLAGS_neon8.o += $(NEON_FLAGS)
153 $(obj)/neon8.c: UNROLL := 8
154 $(obj)/neon8.c: $(src)/neon.uc $(src)/unroll.awk FORCE
155 $(call if_changed,unroll)
158 $(obj)/s390vx8.c: UNROLL := 8
159 $(obj)/s390vx8.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE
160 $(call if_changed,unroll)
162 quiet_cmd_mktable = TABLE $@
163 cmd_mktable = $(obj)/mktables > $@ || ( rm -f $@ && exit 1 )
166 $(obj)/tables.c: $(obj)/mktables FORCE
167 $(call if_changed,mktable)