1# SPDX-License-Identifier: GPL-2.0 2 3ccflags-remove-$(CONFIG_FUNCTION_TRACER) += $(CC_FLAGS_FTRACE) 4 5obj-$(CONFIG_RAID6_PQ) += raid6_pq.o 6 7raid6_pq-y += algos.o recov.o tables.o int1.o int2.o int4.o \ 8 int8.o int16.o int32.o 9 10raid6_pq-$(CONFIG_X86) += recov_ssse3.o recov_avx2.o mmx.o sse1.o sse2.o avx2.o avx512.o recov_avx512.o 11raid6_pq-$(CONFIG_ALTIVEC) += altivec1.o altivec2.o altivec4.o altivec8.o \ 12 vpermxor1.o vpermxor2.o vpermxor4.o vpermxor8.o 13raid6_pq-$(CONFIG_KERNEL_MODE_NEON) += neon.o neon1.o neon2.o neon4.o neon8.o recov_neon.o recov_neon_inner.o 14raid6_pq-$(CONFIG_S390) += s390vx8.o recov_s390xc.o 15 16hostprogs += mktables 17 18ifeq ($(CONFIG_ALTIVEC),y) 19altivec_flags := -maltivec $(call cc-option,-mabi=altivec) 20 21ifdef CONFIG_CC_IS_CLANG 22# clang ppc port does not yet support -maltivec when -msoft-float is 23# enabled. A future release of clang will resolve this 24# https://bugs.llvm.org/show_bug.cgi?id=31177 25CFLAGS_REMOVE_altivec1.o += -msoft-float 26CFLAGS_REMOVE_altivec2.o += -msoft-float 27CFLAGS_REMOVE_altivec4.o += -msoft-float 28CFLAGS_REMOVE_altivec8.o += -msoft-float 29CFLAGS_REMOVE_vpermxor1.o += -msoft-float 30CFLAGS_REMOVE_vpermxor2.o += -msoft-float 31CFLAGS_REMOVE_vpermxor4.o += -msoft-float 32CFLAGS_REMOVE_vpermxor8.o += -msoft-float 33endif 34endif 35 36# The GCC option -ffreestanding is required in order to compile code containing 37# ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel) 38ifeq ($(CONFIG_KERNEL_MODE_NEON),y) 39NEON_FLAGS := -ffreestanding 40ifeq ($(ARCH),arm) 41NEON_FLAGS += -march=armv7-a -mfloat-abi=softfp -mfpu=neon 42endif 43CFLAGS_recov_neon_inner.o += $(NEON_FLAGS) 44ifeq ($(ARCH),arm64) 45CFLAGS_REMOVE_recov_neon_inner.o += -mgeneral-regs-only 46CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only 47CFLAGS_REMOVE_neon2.o += -mgeneral-regs-only 48CFLAGS_REMOVE_neon4.o += -mgeneral-regs-only 49CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only 50endif 51endif 52 53quiet_cmd_unroll = UNROLL $@ 54 cmd_unroll = $(AWK) -f$(srctree)/$(src)/unroll.awk -vN=$* < $< > $@ 55 56targets += int1.c int2.c int4.c int8.c int16.c int32.c 57$(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk FORCE 58 $(call if_changed,unroll) 59 60CFLAGS_altivec1.o += $(altivec_flags) 61CFLAGS_altivec2.o += $(altivec_flags) 62CFLAGS_altivec4.o += $(altivec_flags) 63CFLAGS_altivec8.o += $(altivec_flags) 64targets += altivec1.c altivec2.c altivec4.c altivec8.c 65$(obj)/altivec%.c: $(src)/altivec.uc $(src)/unroll.awk FORCE 66 $(call if_changed,unroll) 67 68CFLAGS_vpermxor1.o += $(altivec_flags) 69CFLAGS_vpermxor2.o += $(altivec_flags) 70CFLAGS_vpermxor4.o += $(altivec_flags) 71CFLAGS_vpermxor8.o += $(altivec_flags) 72targets += vpermxor1.c vpermxor2.c vpermxor4.c vpermxor8.c 73$(obj)/vpermxor%.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE 74 $(call if_changed,unroll) 75 76CFLAGS_neon1.o += $(NEON_FLAGS) 77CFLAGS_neon2.o += $(NEON_FLAGS) 78CFLAGS_neon4.o += $(NEON_FLAGS) 79CFLAGS_neon8.o += $(NEON_FLAGS) 80targets += neon1.c neon2.c neon4.c neon8.c 81$(obj)/neon%.c: $(src)/neon.uc $(src)/unroll.awk FORCE 82 $(call if_changed,unroll) 83 84targets += s390vx8.c 85$(obj)/s390vx%.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE 86 $(call if_changed,unroll) 87 88quiet_cmd_mktable = TABLE $@ 89 cmd_mktable = $(obj)/mktables > $@ 90 91targets += tables.c 92$(obj)/tables.c: $(obj)/mktables FORCE 93 $(call if_changed,mktable) 94