1# SPDX-License-Identifier: GPL-2.0 2# 3# Makefile for alpha-specific library files.. 4# 5 6asflags-y := $(KBUILD_CFLAGS) 7ccflags-y := -Werror 8 9# Many of these routines have implementations tuned for ev6. 10# Choose them iff we're targeting ev6 specifically. 11ev6-$(CONFIG_ALPHA_EV6) := ev6- 12 13# Several make use of the cttz instruction introduced in ev67. 14ev67-$(CONFIG_ALPHA_EV67) := ev67- 15 16lib-y = __divqu.o __remqu.o __divlu.o __remlu.o \ 17 udelay.o \ 18 $(ev6-y)memset.o \ 19 $(ev6-y)memcpy.o \ 20 memmove.o \ 21 checksum.o \ 22 csum_partial_copy.o \ 23 $(ev67-y)strlen.o \ 24 stycpy.o \ 25 styncpy.o \ 26 $(ev67-y)strchr.o \ 27 $(ev67-y)strrchr.o \ 28 $(ev6-y)memchr.o \ 29 $(ev6-y)copy_user.o \ 30 $(ev6-y)clear_user.o \ 31 $(ev6-y)csum_ipv6_magic.o \ 32 $(ev6-y)clear_page.o \ 33 $(ev6-y)copy_page.o \ 34 fpreg.o \ 35 callback_srm.o srm_puts.o srm_printk.o \ 36 fls.o 37 38lib-$(CONFIG_SMP) += dec_and_lock.o 39 40# The division routines are built from single source, with different defines. 41AFLAGS___divqu.o = -DDIV 42AFLAGS___remqu.o = -DREM 43AFLAGS___divlu.o = -DDIV -DINTSIZE 44AFLAGS___remlu.o = -DREM -DINTSIZE 45 46$(addprefix $(obj)/,__divqu.o __remqu.o __divlu.o __remlu.o): \ 47 $(src)/$(ev6-y)divide.S FORCE 48 $(call if_changed_rule,as_o_S) 49 50# There are direct branches between {str*cpy,str*cat} and stx*cpy. 51# Ensure the branches are within range by merging these objects. 52 53LDFLAGS_stycpy.o := -r 54LDFLAGS_styncpy.o := -r 55 56$(obj)/stycpy.o: $(obj)/strcpy.o $(obj)/$(ev67-y)strcat.o \ 57 $(obj)/$(ev6-y)stxcpy.o FORCE 58 $(call if_changed,ld) 59 60$(obj)/styncpy.o: $(obj)/strncpy.o $(obj)/$(ev67-y)strncat.o \ 61 $(obj)/$(ev6-y)stxncpy.o FORCE 62 $(call if_changed,ld) 63