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	+= mktables
 
 
 
 
14
15ifeq ($(CONFIG_ALTIVEC),y)
16altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
17# Enable <altivec.h>
18altivec_flags += -isystem $(shell $(CC) -print-file-name=include)
19
20ifdef CONFIG_CC_IS_CLANG
21# clang ppc port does not yet support -maltivec when -msoft-float is
22# enabled. A future release of clang will resolve this
23# https://bugs.llvm.org/show_bug.cgi?id=31177
24CFLAGS_REMOVE_altivec1.o  += -msoft-float
25CFLAGS_REMOVE_altivec2.o  += -msoft-float
26CFLAGS_REMOVE_altivec4.o  += -msoft-float
27CFLAGS_REMOVE_altivec8.o  += -msoft-float
28CFLAGS_REMOVE_vpermxor1.o += -msoft-float
29CFLAGS_REMOVE_vpermxor2.o += -msoft-float
30CFLAGS_REMOVE_vpermxor4.o += -msoft-float
31CFLAGS_REMOVE_vpermxor8.o += -msoft-float
32endif
33endif
34
35# The GCC option -ffreestanding is required in order to compile code containing
36# ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
37ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
38NEON_FLAGS := -ffreestanding
39# Enable <arm_neon.h>
40NEON_FLAGS += -isystem $(shell $(CC) -print-file-name=include)
41ifeq ($(ARCH),arm)
42NEON_FLAGS += -march=armv7-a -mfloat-abi=softfp -mfpu=neon
43endif
44CFLAGS_recov_neon_inner.o += $(NEON_FLAGS)
45ifeq ($(ARCH),arm64)
46CFLAGS_REMOVE_recov_neon_inner.o += -mgeneral-regs-only
47CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only
48CFLAGS_REMOVE_neon2.o += -mgeneral-regs-only
49CFLAGS_REMOVE_neon4.o += -mgeneral-regs-only
50CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only
51endif
52endif
53
54quiet_cmd_unroll = UNROLL  $@
55      cmd_unroll = $(AWK) -v N=$* -f $(srctree)/$(src)/unroll.awk < $< > $@
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
 
56
57targets += int1.c int2.c int4.c int8.c int16.c int32.c
58$(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk FORCE
 
59	$(call if_changed,unroll)
60
61CFLAGS_altivec1.o += $(altivec_flags)
 
 
 
 
 
62CFLAGS_altivec2.o += $(altivec_flags)
 
 
 
 
 
63CFLAGS_altivec4.o += $(altivec_flags)
64CFLAGS_altivec8.o += $(altivec_flags)
65targets += altivec1.c altivec2.c altivec4.c altivec8.c
66$(obj)/altivec%.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
67	$(call if_changed,unroll)
68
69CFLAGS_vpermxor1.o += $(altivec_flags)
70CFLAGS_vpermxor2.o += $(altivec_flags)
71CFLAGS_vpermxor4.o += $(altivec_flags)
72CFLAGS_vpermxor8.o += $(altivec_flags)
73targets += vpermxor1.c vpermxor2.c vpermxor4.c vpermxor8.c
74$(obj)/vpermxor%.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
75	$(call if_changed,unroll)
76
77CFLAGS_neon1.o += $(NEON_FLAGS)
 
 
 
 
 
78CFLAGS_neon2.o += $(NEON_FLAGS)
 
 
 
 
 
79CFLAGS_neon4.o += $(NEON_FLAGS)
 
 
 
 
 
80CFLAGS_neon8.o += $(NEON_FLAGS)
81targets += neon1.c neon2.c neon4.c neon8.c
82$(obj)/neon%.c: $(src)/neon.uc $(src)/unroll.awk FORCE
 
83	$(call if_changed,unroll)
84
85targets += s390vx8.c
86$(obj)/s390vx%.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE
 
87	$(call if_changed,unroll)
88
89quiet_cmd_mktable = TABLE   $@
90      cmd_mktable = $(obj)/mktables > $@
91
92targets += tables.c
93$(obj)/tables.c: $(obj)/mktables FORCE
94	$(call if_changed,mktable)

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