xref: /openbmc/linux/lib/raid6/Makefile (revision 5b4cb650)
1# SPDX-License-Identifier: GPL-2.0
2obj-$(CONFIG_RAID6_PQ)	+= raid6_pq.o
3
4raid6_pq-y	+= algos.o recov.o tables.o int1.o int2.o int4.o \
5		   int8.o int16.o int32.o
6
7raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o avx512.o recov_avx512.o
8raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o \
9                              vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o
10raid6_pq-$(CONFIG_KERNEL_MODE_NEON) += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o
11raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s390xc.o
12
13hostprogs-y	+= mktables
14
15quiet_cmd_unroll = UNROLL  $@
16      cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$(UNROLL) \
17                   < $< > $@ || ( rm -f $@ && exit 1 )
18
19ifeq ($(CONFIG_ALTIVEC),y)
20altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
21
22ifdef CONFIG_CC_IS_CLANG
23# clang ppc port does not yet support -maltivec when -msoft-float is
24# enabled. A future release of clang will resolve this
25# https://bugs.llvm.org/show_bug.cgi?id=31177
26CFLAGS_REMOVE_altivec1.o  += -msoft-float
27CFLAGS_REMOVE_altivec2.o  += -msoft-float
28CFLAGS_REMOVE_altivec4.o  += -msoft-float
29CFLAGS_REMOVE_altivec8.o  += -msoft-float
30CFLAGS_REMOVE_altivec8.o  += -msoft-float
31CFLAGS_REMOVE_vpermxor1.o += -msoft-float
32CFLAGS_REMOVE_vpermxor2.o += -msoft-float
33CFLAGS_REMOVE_vpermxor4.o += -msoft-float
34CFLAGS_REMOVE_vpermxor8.o += -msoft-float
35endif
36endif
37
38# The GCC option -ffreestanding is required in order to compile code containing
39# ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
40ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
41NEON_FLAGS := -ffreestanding
42ifeq ($(ARCH),arm)
43NEON_FLAGS += -mfloat-abi=softfp -mfpu=neon
44endif
45CFLAGS_recov_neon_inner.o += $(NEON_FLAGS)
46ifeq ($(ARCH),arm64)
47CFLAGS_REMOVE_recov_neon_inner.o += -mgeneral-regs-only
48CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only
49CFLAGS_REMOVE_neon2.o += -mgeneral-regs-only
50CFLAGS_REMOVE_neon4.o += -mgeneral-regs-only
51CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only
52endif
53endif
54
55targets += int1.c
56$(obj)/int1.c:   UNROLL := 1
57$(obj)/int1.c:   $(src)/int.uc $(src)/unroll.awk FORCE
58	$(call if_changed,unroll)
59
60targets += int2.c
61$(obj)/int2.c:   UNROLL := 2
62$(obj)/int2.c:   $(src)/int.uc $(src)/unroll.awk FORCE
63	$(call if_changed,unroll)
64
65targets += int4.c
66$(obj)/int4.c:   UNROLL := 4
67$(obj)/int4.c:   $(src)/int.uc $(src)/unroll.awk FORCE
68	$(call if_changed,unroll)
69
70targets += int8.c
71$(obj)/int8.c:   UNROLL := 8
72$(obj)/int8.c:   $(src)/int.uc $(src)/unroll.awk FORCE
73	$(call if_changed,unroll)
74
75targets += int16.c
76$(obj)/int16.c:  UNROLL := 16
77$(obj)/int16.c:  $(src)/int.uc $(src)/unroll.awk FORCE
78	$(call if_changed,unroll)
79
80targets += int32.c
81$(obj)/int32.c:  UNROLL := 32
82$(obj)/int32.c:  $(src)/int.uc $(src)/unroll.awk FORCE
83	$(call if_changed,unroll)
84
85CFLAGS_altivec1.o += $(altivec_flags)
86targets += altivec1.c
87$(obj)/altivec1.c:   UNROLL := 1
88$(obj)/altivec1.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
89	$(call if_changed,unroll)
90
91CFLAGS_altivec2.o += $(altivec_flags)
92targets += altivec2.c
93$(obj)/altivec2.c:   UNROLL := 2
94$(obj)/altivec2.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
95	$(call if_changed,unroll)
96
97CFLAGS_altivec4.o += $(altivec_flags)
98targets += altivec4.c
99$(obj)/altivec4.c:   UNROLL := 4
100$(obj)/altivec4.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
101	$(call if_changed,unroll)
102
103CFLAGS_altivec8.o += $(altivec_flags)
104targets += altivec8.c
105$(obj)/altivec8.c:   UNROLL := 8
106$(obj)/altivec8.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
107	$(call if_changed,unroll)
108
109CFLAGS_vpermxor1.o += $(altivec_flags)
110targets += vpermxor1.c
111$(obj)/vpermxor1.c: UNROLL := 1
112$(obj)/vpermxor1.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
113	$(call if_changed,unroll)
114
115CFLAGS_vpermxor2.o += $(altivec_flags)
116targets += vpermxor2.c
117$(obj)/vpermxor2.c: UNROLL := 2
118$(obj)/vpermxor2.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
119	$(call if_changed,unroll)
120
121CFLAGS_vpermxor4.o += $(altivec_flags)
122targets += vpermxor4.c
123$(obj)/vpermxor4.c: UNROLL := 4
124$(obj)/vpermxor4.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
125	$(call if_changed,unroll)
126
127CFLAGS_vpermxor8.o += $(altivec_flags)
128targets += vpermxor8.c
129$(obj)/vpermxor8.c: UNROLL := 8
130$(obj)/vpermxor8.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
131	$(call if_changed,unroll)
132
133CFLAGS_neon1.o += $(NEON_FLAGS)
134targets += neon1.c
135$(obj)/neon1.c:   UNROLL := 1
136$(obj)/neon1.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
137	$(call if_changed,unroll)
138
139CFLAGS_neon2.o += $(NEON_FLAGS)
140targets += neon2.c
141$(obj)/neon2.c:   UNROLL := 2
142$(obj)/neon2.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
143	$(call if_changed,unroll)
144
145CFLAGS_neon4.o += $(NEON_FLAGS)
146targets += neon4.c
147$(obj)/neon4.c:   UNROLL := 4
148$(obj)/neon4.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
149	$(call if_changed,unroll)
150
151CFLAGS_neon8.o += $(NEON_FLAGS)
152targets += neon8.c
153$(obj)/neon8.c:   UNROLL := 8
154$(obj)/neon8.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
155	$(call if_changed,unroll)
156
157targets += s390vx8.c
158$(obj)/s390vx8.c:   UNROLL := 8
159$(obj)/s390vx8.c:   $(src)/s390vx.uc $(src)/unroll.awk FORCE
160	$(call if_changed,unroll)
161
162quiet_cmd_mktable = TABLE   $@
163      cmd_mktable = $(obj)/mktables > $@ || ( rm -f $@ && exit 1 )
164
165targets += tables.c
166$(obj)/tables.c: $(obj)/mktables FORCE
167	$(call if_changed,mktable)
168