1# SPDX-License-Identifier: GPL-2.0 2obj-$(CONFIG_RAID6_PQ) += raid6_pq.o 3 4raid6_pq-y += algos.o recov.o tables.o int1.o int2.o int4.o \ 5 int8.o 6 7raid6_pq-$(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-$(CONFIG_S390) += s390vx8.o recov_s390xc.o 12raid6_pq-$(CONFIG_LOONGARCH) += loongarch_simd.o recov_loongarch_simd.o 13 14hostprogs += mktables 15 16ifeq ($(CONFIG_ALTIVEC),y) 17altivec_flags := -maltivec $(call cc-option,-mabi=altivec) 18# Enable <altivec.h> 19altivec_flags += -isystem $(shell $(CC) -print-file-name=include) 20 21ifdef CONFIG_CC_IS_CLANG 22# clang ppc port does not yet support -maltivec when -msoft-float is 23# enabled. A future release of clang will resolve this 24# https://llvm.org/pr31177 25CFLAGS_REMOVE_altivec1.o += -msoft-float 26CFLAGS_REMOVE_altivec2.o += -msoft-float 27CFLAGS_REMOVE_altivec4.o += -msoft-float 28CFLAGS_REMOVE_altivec8.o += -msoft-float 29CFLAGS_REMOVE_vpermxor1.o += -msoft-float 30CFLAGS_REMOVE_vpermxor2.o += -msoft-float 31CFLAGS_REMOVE_vpermxor4.o += -msoft-float 32CFLAGS_REMOVE_vpermxor8.o += -msoft-float 33endif 34endif 35 36# The GCC option -ffreestanding is required in order to compile code containing 37# ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel) 38ifeq ($(CONFIG_KERNEL_MODE_NEON),y) 39NEON_FLAGS := -ffreestanding 40# Enable <arm_neon.h> 41NEON_FLAGS += -isystem $(shell $(CC) -print-file-name=include) 42ifeq ($(ARCH),arm) 43NEON_FLAGS += -march=armv7-a -mfloat-abi=softfp -mfpu=neon 44endif 45CFLAGS_recov_neon_inner.o += $(NEON_FLAGS) 46ifeq ($(ARCH),arm64) 47CFLAGS_REMOVE_recov_neon_inner.o += -mgeneral-regs-only 48CFLAGS_REMOVE_neon1.o += -mgeneral-regs-only 49CFLAGS_REMOVE_neon2.o += -mgeneral-regs-only 50CFLAGS_REMOVE_neon4.o += -mgeneral-regs-only 51CFLAGS_REMOVE_neon8.o += -mgeneral-regs-only 52endif 53endif 54 55quiet_cmd_unroll = UNROLL $@ 56 cmd_unroll = $(AWK) -v N=$* -f $(srctree)/$(src)/unroll.awk < $< > $@ 57 58targets += int1.c int2.c int4.c int8.c 59$(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk FORCE 60 $(call if_changed,unroll) 61 62CFLAGS_altivec1.o += $(altivec_flags) 63CFLAGS_altivec2.o += $(altivec_flags) 64CFLAGS_altivec4.o += $(altivec_flags) 65CFLAGS_altivec8.o += $(altivec_flags) 66targets += altivec1.c altivec2.c altivec4.c altivec8.c 67$(obj)/altivec%.c: $(src)/altivec.uc $(src)/unroll.awk FORCE 68 $(call if_changed,unroll) 69 70CFLAGS_vpermxor1.o += $(altivec_flags) 71CFLAGS_vpermxor2.o += $(altivec_flags) 72CFLAGS_vpermxor4.o += $(altivec_flags) 73CFLAGS_vpermxor8.o += $(altivec_flags) 74targets += vpermxor1.c vpermxor2.c vpermxor4.c vpermxor8.c 75$(obj)/vpermxor%.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE 76 $(call if_changed,unroll) 77 78CFLAGS_neon1.o += $(NEON_FLAGS) 79CFLAGS_neon2.o += $(NEON_FLAGS) 80CFLAGS_neon4.o += $(NEON_FLAGS) 81CFLAGS_neon8.o += $(NEON_FLAGS) 82targets += neon1.c neon2.c neon4.c neon8.c 83$(obj)/neon%.c: $(src)/neon.uc $(src)/unroll.awk FORCE 84 $(call if_changed,unroll) 85 86targets += s390vx8.c 87$(obj)/s390vx%.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE 88 $(call if_changed,unroll) 89 90quiet_cmd_mktable = TABLE $@ 91 cmd_mktable = $(obj)/mktables > $@ 92 93targets += tables.c 94$(obj)/tables.c: $(obj)/mktables FORCE 95 $(call if_changed,mktable) 96