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                    < $< > $@ || ( rm -f $@ && exit 1 )
  18
  19 ifeq ($(CONFIG_ALTIVEC),y)
  20 altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
  21
  22 ifdef CONFIG_CC_IS_CLANG
  23 # clang ppc port does not yet support -maltivec when -msoft-float is
  24 # enabled. A future release of clang will resolve this
  25 # https://bugs.llvm.org/show_bug.cgi?id=31177
  26 CFLAGS_REMOVE_altivec1.o  += -msoft-float
  27 CFLAGS_REMOVE_altivec2.o  += -msoft-float
  28 CFLAGS_REMOVE_altivec4.o  += -msoft-float
  29 CFLAGS_REMOVE_altivec8.o  += -msoft-float
  30 CFLAGS_REMOVE_altivec8.o  += -msoft-float
  31 CFLAGS_REMOVE_vpermxor1.o += -msoft-float
  32 CFLAGS_REMOVE_vpermxor2.o += -msoft-float
  33 CFLAGS_REMOVE_vpermxor4.o += -msoft-float
  34 CFLAGS_REMOVE_vpermxor8.o += -msoft-float
  35 endif
  36 endif
  37
  38 # The GCC option -ffreestanding is required in order to compile code containing
  39 # ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
  40 ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
  41 NEON_FLAGS := -ffreestanding
  42 ifeq ($(ARCH),arm)
  43 NEON_FLAGS += -march=armv7-a -mfloat-abi=softfp -mfpu=neon
  44 endif
  45 CFLAGS_recov_neon_inner.o += $(NEON_FLAGS)
  46 ifeq ($(ARCH),arm64)
  47 CFLAGS_REMOVE_recov_neon_inner.o += -mgeneral-regs-only
  48 CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only
  49 CFLAGS_REMOVE_neon2.o += -mgeneral-regs-only
  50 CFLAGS_REMOVE_neon4.o += -mgeneral-regs-only
  51 CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only
  52 endif
  53 endif
  54
  55 targets += 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
  60 targets += 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
  65 targets += 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
  70 targets += 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
  75 targets += 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
  80 targets += 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
  85 CFLAGS_altivec1.o += $(altivec_flags)
  86 targets += 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
  91 CFLAGS_altivec2.o += $(altivec_flags)
  92 targets += 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
  97 CFLAGS_altivec4.o += $(altivec_flags)
  98 targets += 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
 103 CFLAGS_altivec8.o += $(altivec_flags)
 104 targets += 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
 109 CFLAGS_vpermxor1.o += $(altivec_flags)
 110 targets += 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
 115 CFLAGS_vpermxor2.o += $(altivec_flags)
 116 targets += 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
 121 CFLAGS_vpermxor4.o += $(altivec_flags)
 122 targets += 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
 127 CFLAGS_vpermxor8.o += $(altivec_flags)
 128 targets += 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
 133 CFLAGS_neon1.o += $(NEON_FLAGS)
 134 targets += 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
 139 CFLAGS_neon2.o += $(NEON_FLAGS)
 140 targets += 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
 145 CFLAGS_neon4.o += $(NEON_FLAGS)
 146 targets += 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
 151 CFLAGS_neon8.o += $(NEON_FLAGS)
 152 targets += 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
 157 targets += 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
 162 quiet_cmd_mktable = TABLE   $@
 163       cmd_mktable = $(obj)/mktables > $@ || ( rm -f $@ && exit 1 )
 164
 165 targets += tables.c
 166 $(obj)/tables.c: $(obj)/mktables FORCE
 167         $(call if_changed,mktable)