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 # Enable <altivec.h>
  18 altivec_flags += -isystem $(shell $(CC) -print-file-name=include)
  19
  20 ifdef CONFIG_CC_IS_CLANG
  21 # clang ppc port does not yet support -maltivec when -msoft-float is
  22 # enabled. A future release of clang will resolve this
  23 # https://bugs.llvm.org/show_bug.cgi?id=31177
  24 CFLAGS_REMOVE_altivec1.o  += -msoft-float
  25 CFLAGS_REMOVE_altivec2.o  += -msoft-float
  26 CFLAGS_REMOVE_altivec4.o  += -msoft-float
  27 CFLAGS_REMOVE_altivec8.o  += -msoft-float
  28 CFLAGS_REMOVE_vpermxor1.o += -msoft-float
  29 CFLAGS_REMOVE_vpermxor2.o += -msoft-float
  30 CFLAGS_REMOVE_vpermxor4.o += -msoft-float
  31 CFLAGS_REMOVE_vpermxor8.o += -msoft-float
  32 endif
  33 endif
  34
  35 # The GCC option -ffreestanding is required in order to compile code containing
  36 # ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
  37 ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
  38 NEON_FLAGS := -ffreestanding
  39 # Enable <arm_neon.h>
  40 NEON_FLAGS += -isystem $(shell $(CC) -print-file-name=include)
  41 ifeq ($(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 quiet_cmd_unroll = UNROLL  $@
  55       cmd_unroll = $(AWK) -v N=$* -f $(srctree)/$(src)/unroll.awk < $< > $@
  56
  57 targets += 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
  61 CFLAGS_altivec1.o += $(altivec_flags)
  62 CFLAGS_altivec2.o += $(altivec_flags)
  63 CFLAGS_altivec4.o += $(altivec_flags)
  64 CFLAGS_altivec8.o += $(altivec_flags)
  65 targets += 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
  69 CFLAGS_vpermxor1.o += $(altivec_flags)
  70 CFLAGS_vpermxor2.o += $(altivec_flags)
  71 CFLAGS_vpermxor4.o += $(altivec_flags)
  72 CFLAGS_vpermxor8.o += $(altivec_flags)
  73 targets += 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
  77 CFLAGS_neon1.o += $(NEON_FLAGS)
  78 CFLAGS_neon2.o += $(NEON_FLAGS)
  79 CFLAGS_neon4.o += $(NEON_FLAGS)
  80 CFLAGS_neon8.o += $(NEON_FLAGS)
  81 targets += 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
  85 targets += s390vx8.c
  86 $(obj)/s390vx%.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE
  87         $(call if_changed,unroll)
  88
  89 quiet_cmd_mktable = TABLE   $@
  90       cmd_mktable = $(obj)/mktables > $@
  91
  92 targets += tables.c
  93 $(obj)/tables.c: $(obj)/mktables FORCE
  94         $(call if_changed,mktable)