1 # SPDX-License-Identifier: GPL-2.0 <<
2 obj-$(CONFIG_RAID6_PQ) += raid6_pq.o 1 obj-$(CONFIG_RAID6_PQ) += raid6_pq.o
3 2
4 raid6_pq-y += algos.o recov.o tables.o in 3 raid6_pq-y += algos.o recov.o tables.o int1.o int2.o int4.o \
5 int8.o !! 4 int8.o int16.o int32.o
6 5
7 raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_ !! 6 raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o
8 raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altiv !! 7 raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o
9 vpermxor1.o vper !! 8 raid6_pq-$(CONFIG_KERNEL_MODE_NEON) += neon.o neon1.o neon2.o neon4.o neon8.o
10 raid6_pq-$(CONFIG_KERNEL_MODE_NEON) += neon.o !! 9 raid6_pq-$(CONFIG_TILEGX) += tilegx8.o
11 raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s39 <<
12 raid6_pq-$(CONFIG_LOONGARCH) += loongarch_simd <<
13 10
14 hostprogs += mktables !! 11 hostprogs-y += mktables
>> 12
>> 13 quiet_cmd_unroll = UNROLL $@
>> 14 cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$(UNROLL) \
>> 15 < $< > $@ || ( rm -f $@ && exit 1 )
15 16
16 ifeq ($(CONFIG_ALTIVEC),y) 17 ifeq ($(CONFIG_ALTIVEC),y)
17 altivec_flags := -maltivec $(call cc-option,-m 18 altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
18 # Enable <altivec.h> !! 19 endif
19 altivec_flags += -isystem $(shell $(CC) -print <<
20 20
21 ifdef CONFIG_CC_IS_CLANG !! 21 # The GCC option -ffreestanding is required in order to compile code containing
22 # clang ppc port does not yet support -maltive !! 22 # ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
23 # enabled. A future release of clang will reso !! 23 ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
24 # https://llvm.org/pr31177 !! 24 NEON_FLAGS := -ffreestanding
25 CFLAGS_REMOVE_altivec1.o += -msoft-float !! 25 ifeq ($(ARCH),arm)
26 CFLAGS_REMOVE_altivec2.o += -msoft-float !! 26 NEON_FLAGS += -march=armv7-a -mfloat-abi=softfp -mfpu=neon
27 CFLAGS_REMOVE_altivec4.o += -msoft-float !! 27 endif
28 CFLAGS_REMOVE_altivec8.o += -msoft-float !! 28 ifeq ($(ARCH),arm64)
29 CFLAGS_REMOVE_vpermxor1.o += -msoft-float !! 29 CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only
30 CFLAGS_REMOVE_vpermxor2.o += -msoft-float !! 30 CFLAGS_REMOVE_neon2.o += -mgeneral-regs-only
31 CFLAGS_REMOVE_vpermxor4.o += -msoft-float !! 31 CFLAGS_REMOVE_neon4.o += -mgeneral-regs-only
32 CFLAGS_REMOVE_vpermxor8.o += -msoft-float !! 32 CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only
33 endif 33 endif
34 endif 34 endif
35 35
36 quiet_cmd_unroll = UNROLL $@ !! 36 targets += int1.c
37 cmd_unroll = $(AWK) -v N=$* -f $(src)/un !! 37 $(obj)/int1.c: UNROLL := 1
>> 38 $(obj)/int1.c: $(src)/int.uc $(src)/unroll.awk FORCE
>> 39 $(call if_changed,unroll)
>> 40
>> 41 targets += int2.c
>> 42 $(obj)/int2.c: UNROLL := 2
>> 43 $(obj)/int2.c: $(src)/int.uc $(src)/unroll.awk FORCE
>> 44 $(call if_changed,unroll)
>> 45
>> 46 targets += int4.c
>> 47 $(obj)/int4.c: UNROLL := 4
>> 48 $(obj)/int4.c: $(src)/int.uc $(src)/unroll.awk FORCE
>> 49 $(call if_changed,unroll)
>> 50
>> 51 targets += int8.c
>> 52 $(obj)/int8.c: UNROLL := 8
>> 53 $(obj)/int8.c: $(src)/int.uc $(src)/unroll.awk FORCE
>> 54 $(call if_changed,unroll)
>> 55
>> 56 targets += int16.c
>> 57 $(obj)/int16.c: UNROLL := 16
>> 58 $(obj)/int16.c: $(src)/int.uc $(src)/unroll.awk FORCE
>> 59 $(call if_changed,unroll)
38 60
39 targets += int1.c int2.c int4.c int8.c !! 61 targets += int32.c
40 $(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk !! 62 $(obj)/int32.c: UNROLL := 32
>> 63 $(obj)/int32.c: $(src)/int.uc $(src)/unroll.awk FORCE
41 $(call if_changed,unroll) 64 $(call if_changed,unroll)
42 65
43 CFLAGS_altivec1.o += $(altivec_flags) 66 CFLAGS_altivec1.o += $(altivec_flags)
>> 67 targets += altivec1.c
>> 68 $(obj)/altivec1.c: UNROLL := 1
>> 69 $(obj)/altivec1.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
>> 70 $(call if_changed,unroll)
>> 71
44 CFLAGS_altivec2.o += $(altivec_flags) 72 CFLAGS_altivec2.o += $(altivec_flags)
>> 73 targets += altivec2.c
>> 74 $(obj)/altivec2.c: UNROLL := 2
>> 75 $(obj)/altivec2.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
>> 76 $(call if_changed,unroll)
>> 77
45 CFLAGS_altivec4.o += $(altivec_flags) 78 CFLAGS_altivec4.o += $(altivec_flags)
>> 79 targets += altivec4.c
>> 80 $(obj)/altivec4.c: UNROLL := 4
>> 81 $(obj)/altivec4.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
>> 82 $(call if_changed,unroll)
>> 83
46 CFLAGS_altivec8.o += $(altivec_flags) 84 CFLAGS_altivec8.o += $(altivec_flags)
47 targets += altivec1.c altivec2.c altivec4.c al !! 85 targets += altivec8.c
48 $(obj)/altivec%.c: $(src)/altivec.uc $(src)/un !! 86 $(obj)/altivec8.c: UNROLL := 8
>> 87 $(obj)/altivec8.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
>> 88 $(call if_changed,unroll)
>> 89
>> 90 CFLAGS_neon1.o += $(NEON_FLAGS)
>> 91 targets += neon1.c
>> 92 $(obj)/neon1.c: UNROLL := 1
>> 93 $(obj)/neon1.c: $(src)/neon.uc $(src)/unroll.awk FORCE
>> 94 $(call if_changed,unroll)
>> 95
>> 96 CFLAGS_neon2.o += $(NEON_FLAGS)
>> 97 targets += neon2.c
>> 98 $(obj)/neon2.c: UNROLL := 2
>> 99 $(obj)/neon2.c: $(src)/neon.uc $(src)/unroll.awk FORCE
>> 100 $(call if_changed,unroll)
>> 101
>> 102 CFLAGS_neon4.o += $(NEON_FLAGS)
>> 103 targets += neon4.c
>> 104 $(obj)/neon4.c: UNROLL := 4
>> 105 $(obj)/neon4.c: $(src)/neon.uc $(src)/unroll.awk FORCE
49 $(call if_changed,unroll) 106 $(call if_changed,unroll)
50 107
51 CFLAGS_vpermxor1.o += $(altivec_flags) !! 108 CFLAGS_neon8.o += $(NEON_FLAGS)
52 CFLAGS_vpermxor2.o += $(altivec_flags) !! 109 targets += neon8.c
53 CFLAGS_vpermxor4.o += $(altivec_flags) !! 110 $(obj)/neon8.c: UNROLL := 8
54 CFLAGS_vpermxor8.o += $(altivec_flags) !! 111 $(obj)/neon8.c: $(src)/neon.uc $(src)/unroll.awk FORCE
55 targets += vpermxor1.c vpermxor2.c vpermxor4.c <<
56 $(obj)/vpermxor%.c: $(src)/vpermxor.uc $(src)/ <<
57 $(call if_changed,unroll) <<
58 <<
59 CFLAGS_neon1.o += $(CC_FLAGS_FPU) <<
60 CFLAGS_neon2.o += $(CC_FLAGS_FPU) <<
61 CFLAGS_neon4.o += $(CC_FLAGS_FPU) <<
62 CFLAGS_neon8.o += $(CC_FLAGS_FPU) <<
63 CFLAGS_recov_neon_inner.o += $(CC_FLAGS_FPU) <<
64 CFLAGS_REMOVE_neon1.o += $(CC_FLAGS_NO_FPU) <<
65 CFLAGS_REMOVE_neon2.o += $(CC_FLAGS_NO_FPU) <<
66 CFLAGS_REMOVE_neon4.o += $(CC_FLAGS_NO_FPU) <<
67 CFLAGS_REMOVE_neon8.o += $(CC_FLAGS_NO_FPU) <<
68 CFLAGS_REMOVE_recov_neon_inner.o += $(CC_FLAGS <<
69 targets += neon1.c neon2.c neon4.c neon8.c <<
70 $(obj)/neon%.c: $(src)/neon.uc $(src)/unroll.a <<
71 $(call if_changed,unroll) 112 $(call if_changed,unroll)
72 113
73 targets += s390vx8.c !! 114 targets += tilegx8.c
74 $(obj)/s390vx%.c: $(src)/s390vx.uc $(src)/unro !! 115 $(obj)/tilegx8.c: UNROLL := 8
>> 116 $(obj)/tilegx8.c: $(src)/tilegx.uc $(src)/unroll.awk FORCE
75 $(call if_changed,unroll) 117 $(call if_changed,unroll)
76 118
77 quiet_cmd_mktable = TABLE $@ 119 quiet_cmd_mktable = TABLE $@
78 cmd_mktable = $(obj)/mktables > $@ !! 120 cmd_mktable = $(obj)/mktables > $@ || ( rm -f $@ && exit 1 )
79 121
80 targets += tables.c 122 targets += tables.c
81 $(obj)/tables.c: $(obj)/mktables FORCE 123 $(obj)/tables.c: $(obj)/mktables FORCE
82 $(call if_changed,mktable) 124 $(call if_changed,mktable)
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