xref: /openbmc/linux/lib/raid6/Makefile (revision 3ddc8b84) 
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# Enable <altivec.h>
19altivec_flags += -isystem $(shell $(CC) -print-file-name=include)
20
21ifdef CONFIG_CC_IS_CLANG
22# clang ppc port does not yet support -maltivec when -msoft-float is
23# enabled. A future release of clang will resolve this
24# https://bugs.llvm.org/show_bug.cgi?id=31177
25CFLAGS_REMOVE_altivec1.o  += -msoft-float
26CFLAGS_REMOVE_altivec2.o  += -msoft-float
27CFLAGS_REMOVE_altivec4.o  += -msoft-float
28CFLAGS_REMOVE_altivec8.o  += -msoft-float
29CFLAGS_REMOVE_vpermxor1.o += -msoft-float
30CFLAGS_REMOVE_vpermxor2.o += -msoft-float
31CFLAGS_REMOVE_vpermxor4.o += -msoft-float
32CFLAGS_REMOVE_vpermxor8.o += -msoft-float
33endif
34endif
35
36# The GCC option -ffreestanding is required in order to compile code containing
37# ARM/NEON intrinsics in a non C99-compliant environment (such as the kernel)
38ifeq ($(CONFIG_KERNEL_MODE_NEON),y)
39NEON_FLAGS := -ffreestanding
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 < $< > $@
57
58targets += int1.c int2.c int4.c int8.c int16.c int32.c
59$(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