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-y += mktables 14 15quiet_cmd_unroll = UNROLL $@ 16 cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$(UNROLL) < $< > $@ 17 18ifeq ($(CONFIG_ALTIVEC),y) 19altivec_flags := -maltivec $(call cc-option,-mabi=altivec) 20 21ifdef CONFIG_CC_IS_CLANG 22# clang ppc port does not yet support -maltivec when -msoft-float is 23# enabled. A future release of clang will resolve this 24# https://bugs.llvm.org/show_bug.cgi?id=31177 25CFLAGS_REMOVE_altivec1.o += -msoft-float 26CFLAGS_REMOVE_altivec2.o += -msoft-float 27CFLAGS_REMOVE_altivec4.o += -msoft-float 28CFLAGS_REMOVE_altivec8.o += -msoft-float 29CFLAGS_REMOVE_altivec8.o += -msoft-float 30CFLAGS_REMOVE_vpermxor1.o += -msoft-float 31CFLAGS_REMOVE_vpermxor2.o += -msoft-float 32CFLAGS_REMOVE_vpermxor4.o += -msoft-float 33CFLAGS_REMOVE_vpermxor8.o += -msoft-float 34endif 35endif 36 37# The GCC option -ffreestanding is required in order to compile code containing 38# ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel) 39ifeq ($(CONFIG_KERNEL_MODE_NEON),y) 40NEON_FLAGS := -ffreestanding 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 54targets += int1.c 55$(obj)/int1.c: UNROLL := 1 56$(obj)/int1.c: $(src)/int.uc $(src)/unroll.awk FORCE 57 $(call if_changed,unroll) 58 59targets += int2.c 60$(obj)/int2.c: UNROLL := 2 61$(obj)/int2.c: $(src)/int.uc $(src)/unroll.awk FORCE 62 $(call if_changed,unroll) 63 64targets += int4.c 65$(obj)/int4.c: UNROLL := 4 66$(obj)/int4.c: $(src)/int.uc $(src)/unroll.awk FORCE 67 $(call if_changed,unroll) 68 69targets += int8.c 70$(obj)/int8.c: UNROLL := 8 71$(obj)/int8.c: $(src)/int.uc $(src)/unroll.awk FORCE 72 $(call if_changed,unroll) 73 74targets += int16.c 75$(obj)/int16.c: UNROLL := 16 76$(obj)/int16.c: $(src)/int.uc $(src)/unroll.awk FORCE 77 $(call if_changed,unroll) 78 79targets += int32.c 80$(obj)/int32.c: UNROLL := 32 81$(obj)/int32.c: $(src)/int.uc $(src)/unroll.awk FORCE 82 $(call if_changed,unroll) 83 84CFLAGS_altivec1.o += $(altivec_flags) 85targets += altivec1.c 86$(obj)/altivec1.c: UNROLL := 1 87$(obj)/altivec1.c: $(src)/altivec.uc $(src)/unroll.awk FORCE 88 $(call if_changed,unroll) 89 90CFLAGS_altivec2.o += $(altivec_flags) 91targets += altivec2.c 92$(obj)/altivec2.c: UNROLL := 2 93$(obj)/altivec2.c: $(src)/altivec.uc $(src)/unroll.awk FORCE 94 $(call if_changed,unroll) 95 96CFLAGS_altivec4.o += $(altivec_flags) 97targets += altivec4.c 98$(obj)/altivec4.c: UNROLL := 4 99$(obj)/altivec4.c: $(src)/altivec.uc $(src)/unroll.awk FORCE 100 $(call if_changed,unroll) 101 102CFLAGS_altivec8.o += $(altivec_flags) 103targets += altivec8.c 104$(obj)/altivec8.c: UNROLL := 8 105$(obj)/altivec8.c: $(src)/altivec.uc $(src)/unroll.awk FORCE 106 $(call if_changed,unroll) 107 108CFLAGS_vpermxor1.o += $(altivec_flags) 109targets += vpermxor1.c 110$(obj)/vpermxor1.c: UNROLL := 1 111$(obj)/vpermxor1.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE 112 $(call if_changed,unroll) 113 114CFLAGS_vpermxor2.o += $(altivec_flags) 115targets += vpermxor2.c 116$(obj)/vpermxor2.c: UNROLL := 2 117$(obj)/vpermxor2.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE 118 $(call if_changed,unroll) 119 120CFLAGS_vpermxor4.o += $(altivec_flags) 121targets += vpermxor4.c 122$(obj)/vpermxor4.c: UNROLL := 4 123$(obj)/vpermxor4.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE 124 $(call if_changed,unroll) 125 126CFLAGS_vpermxor8.o += $(altivec_flags) 127targets += vpermxor8.c 128$(obj)/vpermxor8.c: UNROLL := 8 129$(obj)/vpermxor8.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE 130 $(call if_changed,unroll) 131 132CFLAGS_neon1.o += $(NEON_FLAGS) 133targets += neon1.c 134$(obj)/neon1.c: UNROLL := 1 135$(obj)/neon1.c: $(src)/neon.uc $(src)/unroll.awk FORCE 136 $(call if_changed,unroll) 137 138CFLAGS_neon2.o += $(NEON_FLAGS) 139targets += neon2.c 140$(obj)/neon2.c: UNROLL := 2 141$(obj)/neon2.c: $(src)/neon.uc $(src)/unroll.awk FORCE 142 $(call if_changed,unroll) 143 144CFLAGS_neon4.o += $(NEON_FLAGS) 145targets += neon4.c 146$(obj)/neon4.c: UNROLL := 4 147$(obj)/neon4.c: $(src)/neon.uc $(src)/unroll.awk FORCE 148 $(call if_changed,unroll) 149 150CFLAGS_neon8.o += $(NEON_FLAGS) 151targets += neon8.c 152$(obj)/neon8.c: UNROLL := 8 153$(obj)/neon8.c: $(src)/neon.uc $(src)/unroll.awk FORCE 154 $(call if_changed,unroll) 155 156targets += s390vx8.c 157$(obj)/s390vx8.c: UNROLL := 8 158$(obj)/s390vx8.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE 159 $(call if_changed,unroll) 160 161quiet_cmd_mktable = TABLE $@ 162 cmd_mktable = $(obj)/mktables > $@ 163 164targets += tables.c 165$(obj)/tables.c: $(obj)/mktables FORCE 166 $(call if_changed,mktable) 167