1obj-$(CONFIG_RAID6_PQ)	+= raid6_pq.o
  2
  3raid6_pq-y	+= algos.o recov.o tables.o int1.o int2.o int4.o \
  4		   int8.o int16.o int32.o
  5
  6raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o avx512.o recov_avx512.o
  7raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o
  8raid6_pq-$(CONFIG_KERNEL_MODE_NEON) += neon.o neon1.o neon2.o neon4.o neon8.o
  9raid6_pq-$(CONFIG_TILEGX) += tilegx8.o
 10raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s390xc.o
 
 11
 12hostprogs-y	+= mktables
 13
 14quiet_cmd_unroll = UNROLL  $@
 15      cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$(UNROLL) \
 16                   < $< > $@ || ( rm -f $@ && exit 1 )
 17
 18ifeq ($(CONFIG_ALTIVEC),y)
 19altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
 20endif
 
 21
 22# The GCC option -ffreestanding is required in order to compile code containing
 23# ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
 24ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
 25NEON_FLAGS := -ffreestanding
 26ifeq ($(ARCH),arm)
 27NEON_FLAGS += -mfloat-abi=softfp -mfpu=neon
 28endif
 29ifeq ($(ARCH),arm64)
 30CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only
 31CFLAGS_REMOVE_neon2.o += -mgeneral-regs-only
 32CFLAGS_REMOVE_neon4.o += -mgeneral-regs-only
 33CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only
 34endif
 35endif
 36
 37targets += int1.c
 38$(obj)/int1.c:   UNROLL := 1
 39$(obj)/int1.c:   $(src)/int.uc $(src)/unroll.awk FORCE
 40	$(call if_changed,unroll)
 41
 42targets += int2.c
 43$(obj)/int2.c:   UNROLL := 2
 44$(obj)/int2.c:   $(src)/int.uc $(src)/unroll.awk FORCE
 45	$(call if_changed,unroll)
 46
 47targets += int4.c
 48$(obj)/int4.c:   UNROLL := 4
 49$(obj)/int4.c:   $(src)/int.uc $(src)/unroll.awk FORCE
 50	$(call if_changed,unroll)
 51
 52targets += int8.c
 53$(obj)/int8.c:   UNROLL := 8
 54$(obj)/int8.c:   $(src)/int.uc $(src)/unroll.awk FORCE
 55	$(call if_changed,unroll)
 56
 57targets += int16.c
 58$(obj)/int16.c:  UNROLL := 16
 59$(obj)/int16.c:  $(src)/int.uc $(src)/unroll.awk FORCE
 60	$(call if_changed,unroll)
 61
 62targets += int32.c
 63$(obj)/int32.c:  UNROLL := 32
 64$(obj)/int32.c:  $(src)/int.uc $(src)/unroll.awk FORCE
 65	$(call if_changed,unroll)
 66
 67CFLAGS_altivec1.o += $(altivec_flags)
 68targets += altivec1.c
 69$(obj)/altivec1.c:   UNROLL := 1
 70$(obj)/altivec1.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
 71	$(call if_changed,unroll)
 72
 73CFLAGS_altivec2.o += $(altivec_flags)
 74targets += altivec2.c
 75$(obj)/altivec2.c:   UNROLL := 2
 76$(obj)/altivec2.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
 77	$(call if_changed,unroll)
 78
 79CFLAGS_altivec4.o += $(altivec_flags)
 80targets += altivec4.c
 81$(obj)/altivec4.c:   UNROLL := 4
 82$(obj)/altivec4.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
 83	$(call if_changed,unroll)
 84
 85CFLAGS_altivec8.o += $(altivec_flags)
 86targets += altivec8.c
 87$(obj)/altivec8.c:   UNROLL := 8
 88$(obj)/altivec8.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
 89	$(call if_changed,unroll)
 90
 91CFLAGS_neon1.o += $(NEON_FLAGS)
 92targets += neon1.c
 93$(obj)/neon1.c:   UNROLL := 1
 94$(obj)/neon1.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
 95	$(call if_changed,unroll)
 96
 97CFLAGS_neon2.o += $(NEON_FLAGS)
 98targets += neon2.c
 99$(obj)/neon2.c:   UNROLL := 2
100$(obj)/neon2.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
101	$(call if_changed,unroll)
102
103CFLAGS_neon4.o += $(NEON_FLAGS)
104targets += neon4.c
105$(obj)/neon4.c:   UNROLL := 4
106$(obj)/neon4.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
107	$(call if_changed,unroll)
108
109CFLAGS_neon8.o += $(NEON_FLAGS)
110targets += neon8.c
111$(obj)/neon8.c:   UNROLL := 8
112$(obj)/neon8.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
113	$(call if_changed,unroll)
114
115targets += tilegx8.c
116$(obj)/tilegx8.c:   UNROLL := 8
117$(obj)/tilegx8.c:   $(src)/tilegx.uc $(src)/unroll.awk FORCE
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
118	$(call if_changed,unroll)
119
120targets += s390vx8.c
121$(obj)/s390vx8.c:   UNROLL := 8
122$(obj)/s390vx8.c:   $(src)/s390vx.uc $(src)/unroll.awk FORCE
123	$(call if_changed,unroll)
124
125quiet_cmd_mktable = TABLE   $@
126      cmd_mktable = $(obj)/mktables > $@ || ( rm -f $@ && exit 1 )
127
128targets += tables.c
129$(obj)/tables.c: $(obj)/mktables FORCE
130	$(call if_changed,mktable)

 1# SPDX-License-Identifier: GPL-2.0
 2obj-$(CONFIG_RAID6_PQ)	+= raid6_pq.o
 3
 4raid6_pq-y	+= algos.o recov.o tables.o int1.o int2.o int4.o \
 5		   int8.o
 6
 7raid6_pq-$(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-$(CONFIG_S390) += s390vx8.o recov_s390xc.o
12raid6_pq-$(CONFIG_LOONGARCH) += loongarch_simd.o recov_loongarch_simd.o
13
14hostprogs	+= mktables
 
 
 
 
15
16ifeq ($(CONFIG_ALTIVEC),y)
17altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
18# Enable <altivec.h>
19altivec_flags += -isystem $(shell $(CC) -print-file-name=include)
20
21ifdef CONFIG_CC_IS_CLANG
22# clang ppc port does not yet support -maltivec when -msoft-float is
23# enabled. A future release of clang will resolve this
24# https://llvm.org/pr31177
25CFLAGS_REMOVE_altivec1.o  += -msoft-float
26CFLAGS_REMOVE_altivec2.o  += -msoft-float
27CFLAGS_REMOVE_altivec4.o  += -msoft-float
28CFLAGS_REMOVE_altivec8.o  += -msoft-float
29CFLAGS_REMOVE_vpermxor1.o += -msoft-float
30CFLAGS_REMOVE_vpermxor2.o += -msoft-float
31CFLAGS_REMOVE_vpermxor4.o += -msoft-float
32CFLAGS_REMOVE_vpermxor8.o += -msoft-float
33endif
34endif
35
36quiet_cmd_unroll = UNROLL  $@
37      cmd_unroll = $(AWK) -v N=$* -f $(src)/unroll.awk < $< > $@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
38
39targets += int1.c int2.c int4.c int8.c
40$(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk FORCE
 
41	$(call if_changed,unroll)
42
43CFLAGS_altivec1.o += $(altivec_flags)
 
 
 
 
 
44CFLAGS_altivec2.o += $(altivec_flags)
 
 
 
 
 
45CFLAGS_altivec4.o += $(altivec_flags)
 
 
 
 
 
46CFLAGS_altivec8.o += $(altivec_flags)
47targets += altivec1.c altivec2.c altivec4.c altivec8.c
48$(obj)/altivec%.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
49	$(call if_changed,unroll)
50
51CFLAGS_vpermxor1.o += $(altivec_flags)
52CFLAGS_vpermxor2.o += $(altivec_flags)
53CFLAGS_vpermxor4.o += $(altivec_flags)
54CFLAGS_vpermxor8.o += $(altivec_flags)
55targets += vpermxor1.c vpermxor2.c vpermxor4.c vpermxor8.c
56$(obj)/vpermxor%.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
57	$(call if_changed,unroll)
58
59CFLAGS_neon1.o += $(CC_FLAGS_FPU)
60CFLAGS_neon2.o += $(CC_FLAGS_FPU)
61CFLAGS_neon4.o += $(CC_FLAGS_FPU)
62CFLAGS_neon8.o += $(CC_FLAGS_FPU)
63CFLAGS_recov_neon_inner.o += $(CC_FLAGS_FPU)
64CFLAGS_REMOVE_neon1.o += $(CC_FLAGS_NO_FPU)
65CFLAGS_REMOVE_neon2.o += $(CC_FLAGS_NO_FPU)
66CFLAGS_REMOVE_neon4.o += $(CC_FLAGS_NO_FPU)
67CFLAGS_REMOVE_neon8.o += $(CC_FLAGS_NO_FPU)
68CFLAGS_REMOVE_recov_neon_inner.o += $(CC_FLAGS_NO_FPU)
69targets += neon1.c neon2.c neon4.c neon8.c
70$(obj)/neon%.c: $(src)/neon.uc $(src)/unroll.awk FORCE
71	$(call if_changed,unroll)
72
73targets += s390vx8.c
74$(obj)/s390vx%.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE
 
75	$(call if_changed,unroll)
76
77quiet_cmd_mktable = TABLE   $@
78      cmd_mktable = $(obj)/mktables > $@
79
80targets += tables.c
81$(obj)/tables.c: $(obj)/mktables FORCE
82	$(call if_changed,mktable)