lib/raid6/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 obj-$(CONFIG_RAID6_PQ)  += raid6_pq.o
   3
   4 raid6_pq-y      += algos.o recov.o tables.o int1.o int2.o int4.o \
   5                    int8.o int16.o int32.o
   6
   7 raid6_pq-$(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
  12
  13 hostprogs-y     += mktables
  14
  15 quiet_cmd_unroll = UNROLL  $@
  16       cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$(UNROLL) < $< > $@
  17
  18 ifeq ($(CONFIG_ALTIVEC),y)
  19 altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
  20
  21 ifdef CONFIG_CC_IS_CLANG
  22 # clang ppc port does not yet support -maltivec when -msoft-float is
  23 # enabled. A future release of clang will resolve this
  24 # https://bugs.llvm.org/show_bug.cgi?id=31177
  25 CFLAGS_REMOVE_altivec1.o  += -msoft-float
  26 CFLAGS_REMOVE_altivec2.o  += -msoft-float
  27 CFLAGS_REMOVE_altivec4.o  += -msoft-float
  28 CFLAGS_REMOVE_altivec8.o  += -msoft-float
  29 CFLAGS_REMOVE_altivec8.o  += -msoft-float
  30 CFLAGS_REMOVE_vpermxor1.o += -msoft-float
  31 CFLAGS_REMOVE_vpermxor2.o += -msoft-float
  32 CFLAGS_REMOVE_vpermxor4.o += -msoft-float
  33 CFLAGS_REMOVE_vpermxor8.o += -msoft-float
  34 endif
  35 endif
  36
  37 # The GCC option -ffreestanding is required in order to compile code containing
  38 # ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
  39 ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
  40 NEON_FLAGS := -ffreestanding
  41 ifeq ($(ARCH),arm)
  42 NEON_FLAGS += -march=armv7-a -mfloat-abi=softfp -mfpu=neon
  43 endif
  44 CFLAGS_recov_neon_inner.o += $(NEON_FLAGS)
  45 ifeq ($(ARCH),arm64)
  46 CFLAGS_REMOVE_recov_neon_inner.o += -mgeneral-regs-only
  47 CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only
  48 CFLAGS_REMOVE_neon2.o += -mgeneral-regs-only
  49 CFLAGS_REMOVE_neon4.o += -mgeneral-regs-only
  50 CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only
  51 endif
  52 endif
  53
  54 targets += int1.c
  55 $(obj)/int1.c:   UNROLL := 1
  56 $(obj)/int1.c:   $(src)/int.uc $(src)/unroll.awk FORCE
  57         $(call if_changed,unroll)
  58
  59 targets += int2.c
  60 $(obj)/int2.c:   UNROLL := 2
  61 $(obj)/int2.c:   $(src)/int.uc $(src)/unroll.awk FORCE
  62         $(call if_changed,unroll)
  63
  64 targets += int4.c
  65 $(obj)/int4.c:   UNROLL := 4
  66 $(obj)/int4.c:   $(src)/int.uc $(src)/unroll.awk FORCE
  67         $(call if_changed,unroll)
  68
  69 targets += int8.c
  70 $(obj)/int8.c:   UNROLL := 8
  71 $(obj)/int8.c:   $(src)/int.uc $(src)/unroll.awk FORCE
  72         $(call if_changed,unroll)
  73
  74 targets += int16.c
  75 $(obj)/int16.c:  UNROLL := 16
  76 $(obj)/int16.c:  $(src)/int.uc $(src)/unroll.awk FORCE
  77         $(call if_changed,unroll)
  78
  79 targets += int32.c
  80 $(obj)/int32.c:  UNROLL := 32
  81 $(obj)/int32.c:  $(src)/int.uc $(src)/unroll.awk FORCE
  82         $(call if_changed,unroll)
  83
  84 CFLAGS_altivec1.o += $(altivec_flags)
  85 targets += altivec1.c
  86 $(obj)/altivec1.c:   UNROLL := 1
  87 $(obj)/altivec1.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
  88         $(call if_changed,unroll)
  89
  90 CFLAGS_altivec2.o += $(altivec_flags)
  91 targets += altivec2.c
  92 $(obj)/altivec2.c:   UNROLL := 2
  93 $(obj)/altivec2.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
  94         $(call if_changed,unroll)
  95
  96 CFLAGS_altivec4.o += $(altivec_flags)
  97 targets += altivec4.c
  98 $(obj)/altivec4.c:   UNROLL := 4
  99 $(obj)/altivec4.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
 100         $(call if_changed,unroll)
 101
 102 CFLAGS_altivec8.o += $(altivec_flags)
 103 targets += altivec8.c
 104 $(obj)/altivec8.c:   UNROLL := 8
 105 $(obj)/altivec8.c:   $(src)/altivec.uc $(src)/unroll.awk FORCE
 106         $(call if_changed,unroll)
 107
 108 CFLAGS_vpermxor1.o += $(altivec_flags)
 109 targets += vpermxor1.c
 110 $(obj)/vpermxor1.c: UNROLL := 1
 111 $(obj)/vpermxor1.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
 112         $(call if_changed,unroll)
 113
 114 CFLAGS_vpermxor2.o += $(altivec_flags)
 115 targets += vpermxor2.c
 116 $(obj)/vpermxor2.c: UNROLL := 2
 117 $(obj)/vpermxor2.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
 118         $(call if_changed,unroll)
 119
 120 CFLAGS_vpermxor4.o += $(altivec_flags)
 121 targets += vpermxor4.c
 122 $(obj)/vpermxor4.c: UNROLL := 4
 123 $(obj)/vpermxor4.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
 124         $(call if_changed,unroll)
 125
 126 CFLAGS_vpermxor8.o += $(altivec_flags)
 127 targets += vpermxor8.c
 128 $(obj)/vpermxor8.c: UNROLL := 8
 129 $(obj)/vpermxor8.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
 130         $(call if_changed,unroll)
 131
 132 CFLAGS_neon1.o += $(NEON_FLAGS)
 133 targets += neon1.c
 134 $(obj)/neon1.c:   UNROLL := 1
 135 $(obj)/neon1.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
 136         $(call if_changed,unroll)
 137
 138 CFLAGS_neon2.o += $(NEON_FLAGS)
 139 targets += neon2.c
 140 $(obj)/neon2.c:   UNROLL := 2
 141 $(obj)/neon2.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
 142         $(call if_changed,unroll)
 143
 144 CFLAGS_neon4.o += $(NEON_FLAGS)
 145 targets += neon4.c
 146 $(obj)/neon4.c:   UNROLL := 4
 147 $(obj)/neon4.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
 148         $(call if_changed,unroll)
 149
 150 CFLAGS_neon8.o += $(NEON_FLAGS)
 151 targets += neon8.c
 152 $(obj)/neon8.c:   UNROLL := 8
 153 $(obj)/neon8.c:   $(src)/neon.uc $(src)/unroll.awk FORCE
 154         $(call if_changed,unroll)
 155
 156 targets += s390vx8.c
 157 $(obj)/s390vx8.c:   UNROLL := 8
 158 $(obj)/s390vx8.c:   $(src)/s390vx.uc $(src)/unroll.awk FORCE
 159         $(call if_changed,unroll)
 160
 161 quiet_cmd_mktable = TABLE   $@
 162       cmd_mktable = $(obj)/mktables > $@
 163
 164 targets += tables.c
 165 $(obj)/tables.c: $(obj)/mktables FORCE
 166         $(call if_changed,mktable)