xref: /linux/lib/raid6/Makefile (revision 2da68a77) 
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-$(CONFIG_S390) += s390vx8.o recov_s390xc.o
12
13hostprogs	+= mktables
14
15ifeq ($(CONFIG_ALTIVEC),y)
16altivec_flags := -maltivec $(call cc-option,-mabi=altivec)
17# Enable <altivec.h>
18altivec_flags += -isystem $(shell $(CC) -print-file-name=include)
19
20ifdef CONFIG_CC_IS_CLANG
21# clang ppc port does not yet support -maltivec when -msoft-float is
22# enabled. A future release of clang will resolve this
23# https://bugs.llvm.org/show_bug.cgi?id=31177
24CFLAGS_REMOVE_altivec1.o  += -msoft-float
25CFLAGS_REMOVE_altivec2.o  += -msoft-float
26CFLAGS_REMOVE_altivec4.o  += -msoft-float
27CFLAGS_REMOVE_altivec8.o  += -msoft-float
28CFLAGS_REMOVE_vpermxor1.o += -msoft-float
29CFLAGS_REMOVE_vpermxor2.o += -msoft-float
30CFLAGS_REMOVE_vpermxor4.o += -msoft-float
31CFLAGS_REMOVE_vpermxor8.o += -msoft-float
32endif
33endif
34
35# The GCC option -ffreestanding is required in order to compile code containing
36# ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
37ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
38NEON_FLAGS := -ffreestanding
39# Enable <arm_neon.h>
40NEON_FLAGS += -isystem $(shell $(CC) -print-file-name=include)
41ifeq ($(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
54quiet_cmd_unroll = UNROLL  $@
55      cmd_unroll = $(AWK) -v N=$* -f $(srctree)/$(src)/unroll.awk < $< > $@
56
57targets += int1.c int2.c int4.c int8.c int16.c int32.c
58$(obj)/int%.c: $(src)/int.uc $(src)/unroll.awk FORCE
59	$(call if_changed,unroll)
60
61CFLAGS_altivec1.o += $(altivec_flags)
62CFLAGS_altivec2.o += $(altivec_flags)
63CFLAGS_altivec4.o += $(altivec_flags)
64CFLAGS_altivec8.o += $(altivec_flags)
65targets += altivec1.c altivec2.c altivec4.c altivec8.c
66$(obj)/altivec%.c: $(src)/altivec.uc $(src)/unroll.awk FORCE
67	$(call if_changed,unroll)
68
69CFLAGS_vpermxor1.o += $(altivec_flags)
70CFLAGS_vpermxor2.o += $(altivec_flags)
71CFLAGS_vpermxor4.o += $(altivec_flags)
72CFLAGS_vpermxor8.o += $(altivec_flags)
73targets += vpermxor1.c vpermxor2.c vpermxor4.c vpermxor8.c
74$(obj)/vpermxor%.c: $(src)/vpermxor.uc $(src)/unroll.awk FORCE
75	$(call if_changed,unroll)
76
77CFLAGS_neon1.o += $(NEON_FLAGS)
78CFLAGS_neon2.o += $(NEON_FLAGS)
79CFLAGS_neon4.o += $(NEON_FLAGS)
80CFLAGS_neon8.o += $(NEON_FLAGS)
81targets += neon1.c neon2.c neon4.c neon8.c
82$(obj)/neon%.c: $(src)/neon.uc $(src)/unroll.awk FORCE
83	$(call if_changed,unroll)
84
85targets += s390vx8.c
86$(obj)/s390vx%.c: $(src)/s390vx.uc $(src)/unroll.awk FORCE
87	$(call if_changed,unroll)
88
89quiet_cmd_mktable = TABLE   $@
90      cmd_mktable = $(obj)/mktables > $@
91
92targets += tables.c
93$(obj)/tables.c: $(obj)/mktables FORCE
94	$(call if_changed,mktable)
95