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-$(CONFIG_S390) += s390vx8.o recov_s390xc.o
  12
  13 hostprogs       += mktables
  14
  15 ifeq ($(CONFIG_ALTIVEC),y)
  16 altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
  17
  18 ifdef CONFIG_CC_IS_CLANG
  19 # clang ppc port does not yet support -maltivec when -msoft-float is
  20 # enabled. A future release of clang will resolve this
  21 # https://bugs.llvm.org/show_bug.cgi?id=31177
  22 CFLAGS_REMOVE_altivec1.o  += -msoft-float
  23 CFLAGS_REMOVE_altivec2.o  += -msoft-float
  24 CFLAGS_REMOVE_altivec4.o  += -msoft-float
  25 CFLAGS_REMOVE_altivec8.o  += -msoft-float
  26 CFLAGS_REMOVE_vpermxor1.o += -msoft-float
  27 CFLAGS_REMOVE_vpermxor2.o += -msoft-float
  28 CFLAGS_REMOVE_vpermxor4.o += -msoft-float
  29 CFLAGS_REMOVE_vpermxor8.o += -msoft-float
  30 endif
  31 endif
  32
  33 # The GCC option -ffreestanding is required in order to compile code containing
  34 # ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
  35 ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
  36 NEON_FLAGS := -ffreestanding
  37 ifeq ($(ARCH),arm)
  38 NEON_FLAGS += -march=armv7-a -mfloat-abi=softfp -mfpu=neon
  39 endif
  40 CFLAGS_recov_neon_inner.o += $(NEON_FLAGS)
  41 ifeq ($(ARCH),arm64)
  42 CFLAGS_REMOVE_recov_neon_inner.o += -mgeneral-regs-only
  43 CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only
  44 CFLAGS_REMOVE_neon2.o += -mgeneral-regs-only
  45 CFLAGS_REMOVE_neon4.o += -mgeneral-regs-only
  46 CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only
  47 endif
  48 endif
  49
  50 quiet_cmd_unroll = UNROLL  $@
  51       cmd_unroll = $(AWK) -v N=$* -f $(srctree)/$(src)/unroll.awk < $< > $@
  52
  53 targets += int1.c int2.c int4.c int8.c int16.c int32.c
  54 $(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk FORCE
  55         $(call if_changed,unroll)
  56
  57 CFLAGS_altivec1.o += $(altivec_flags)
  58 CFLAGS_altivec2.o += $(altivec_flags)
  59 CFLAGS_altivec4.o += $(altivec_flags)
  60 CFLAGS_altivec8.o += $(altivec_flags)
  61 targets += altivec1.c altivec2.c altivec4.c altivec8.c
  62 $(obj)/altivec%.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
  63         $(call if_changed,unroll)
  64
  65 CFLAGS_vpermxor1.o += $(altivec_flags)
  66 CFLAGS_vpermxor2.o += $(altivec_flags)
  67 CFLAGS_vpermxor4.o += $(altivec_flags)
  68 CFLAGS_vpermxor8.o += $(altivec_flags)
  69 targets += vpermxor1.c vpermxor2.c vpermxor4.c vpermxor8.c
  70 $(obj)/vpermxor%.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
  71         $(call if_changed,unroll)
  72
  73 CFLAGS_neon1.o += $(NEON_FLAGS)
  74 CFLAGS_neon2.o += $(NEON_FLAGS)
  75 CFLAGS_neon4.o += $(NEON_FLAGS)
  76 CFLAGS_neon8.o += $(NEON_FLAGS)
  77 targets += neon1.c neon2.c neon4.c neon8.c
  78 $(obj)/neon%.c: $(src)/neon.uc $(src)/unroll.awk FORCE
  79         $(call if_changed,unroll)
  80
  81 targets += s390vx8.c
  82 $(obj)/s390vx%.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE
  83         $(call if_changed,unroll)
  84
  85 quiet_cmd_mktable = TABLE   $@
  86       cmd_mktable = $(obj)/mktables > $@
  87
  88 targets += tables.c
  89 $(obj)/tables.c: $(obj)/mktables FORCE
  90         $(call if_changed,mktable)