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