xref: /OK3568_Linux_fs/kernel/arch/alpha/lib/Makefile (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0
2*4882a593Smuzhiyun#
3*4882a593Smuzhiyun# Makefile for alpha-specific library files..
4*4882a593Smuzhiyun#
5*4882a593Smuzhiyun
6*4882a593Smuzhiyunasflags-y := $(KBUILD_CFLAGS)
7*4882a593Smuzhiyunccflags-y := -Werror
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun# Many of these routines have implementations tuned for ev6.
10*4882a593Smuzhiyun# Choose them iff we're targeting ev6 specifically.
11*4882a593Smuzhiyunev6-$(CONFIG_ALPHA_EV6) := ev6-
12*4882a593Smuzhiyun
13*4882a593Smuzhiyun# Several make use of the cttz instruction introduced in ev67.
14*4882a593Smuzhiyunev67-$(CONFIG_ALPHA_EV67) := ev67-
15*4882a593Smuzhiyun
16*4882a593Smuzhiyunlib-y =	__divqu.o __remqu.o __divlu.o __remlu.o \
17*4882a593Smuzhiyun	udelay.o \
18*4882a593Smuzhiyun	$(ev6-y)memset.o \
19*4882a593Smuzhiyun	$(ev6-y)memcpy.o \
20*4882a593Smuzhiyun	memmove.o \
21*4882a593Smuzhiyun	checksum.o \
22*4882a593Smuzhiyun	csum_partial_copy.o \
23*4882a593Smuzhiyun	$(ev67-y)strlen.o \
24*4882a593Smuzhiyun	stycpy.o \
25*4882a593Smuzhiyun	styncpy.o \
26*4882a593Smuzhiyun	$(ev67-y)strchr.o \
27*4882a593Smuzhiyun	$(ev67-y)strrchr.o \
28*4882a593Smuzhiyun	$(ev6-y)memchr.o \
29*4882a593Smuzhiyun	$(ev6-y)copy_user.o \
30*4882a593Smuzhiyun	$(ev6-y)clear_user.o \
31*4882a593Smuzhiyun	$(ev6-y)csum_ipv6_magic.o \
32*4882a593Smuzhiyun	$(ev6-y)clear_page.o \
33*4882a593Smuzhiyun	$(ev6-y)copy_page.o \
34*4882a593Smuzhiyun	fpreg.o \
35*4882a593Smuzhiyun	callback_srm.o srm_puts.o srm_printk.o \
36*4882a593Smuzhiyun	fls.o
37*4882a593Smuzhiyun
38*4882a593Smuzhiyun# The division routines are built from single source, with different defines.
39*4882a593SmuzhiyunAFLAGS___divqu.o = -DDIV
40*4882a593SmuzhiyunAFLAGS___remqu.o =       -DREM
41*4882a593SmuzhiyunAFLAGS___divlu.o = -DDIV       -DINTSIZE
42*4882a593SmuzhiyunAFLAGS___remlu.o =       -DREM -DINTSIZE
43*4882a593Smuzhiyun
44*4882a593Smuzhiyun$(addprefix $(obj)/,__divqu.o __remqu.o __divlu.o __remlu.o): \
45*4882a593Smuzhiyun						$(src)/$(ev6-y)divide.S FORCE
46*4882a593Smuzhiyun	$(call if_changed_rule,as_o_S)
47*4882a593Smuzhiyun
48*4882a593Smuzhiyun# There are direct branches between {str*cpy,str*cat} and stx*cpy.
49*4882a593Smuzhiyun# Ensure the branches are within range by merging these objects.
50*4882a593Smuzhiyun
51*4882a593SmuzhiyunLDFLAGS_stycpy.o := -r
52*4882a593SmuzhiyunLDFLAGS_styncpy.o := -r
53*4882a593Smuzhiyun
54*4882a593Smuzhiyun$(obj)/stycpy.o: $(obj)/strcpy.o $(obj)/$(ev67-y)strcat.o \
55*4882a593Smuzhiyun		 $(obj)/$(ev6-y)stxcpy.o FORCE
56*4882a593Smuzhiyun	$(call if_changed,ld)
57*4882a593Smuzhiyun
58*4882a593Smuzhiyun$(obj)/styncpy.o: $(obj)/strncpy.o $(obj)/$(ev67-y)strncat.o \
59*4882a593Smuzhiyun		 $(obj)/$(ev6-y)stxncpy.o FORCE
60*4882a593Smuzhiyun	$(call if_changed,ld)
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