arch/alpha/lib/Makefile

   1 # SPDX-License-Identifier: GPL-2.0
   2 #
   3 # Makefile for alpha-specific library files..
   4 #
   5
   6 asflags-y := $(KBUILD_CFLAGS)
   7 ccflags-y := -Werror
   8
   9 # Many of these routines have implementations tuned for ev6.
  10 # Choose them iff we're targeting ev6 specifically.
  11 ev6-$(CONFIG_ALPHA_EV6) := ev6-
  12
  13 # Several make use of the cttz instruction introduced in ev67.
  14 ev67-$(CONFIG_ALPHA_EV67) := ev67-
  15
  16 lib-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
  38 # The division routines are built from single source, with different defines.
  39 AFLAGS___divqu.o = -DDIV
  40 AFLAGS___remqu.o =       -DREM
  41 AFLAGS___divlu.o = -DDIV       -DINTSIZE
  42 AFLAGS___remlu.o =       -DREM -DINTSIZE
  43
  44 $(addprefix $(obj)/,__divqu.o __remqu.o __divlu.o __remlu.o): \
  45                                                 $(src)/$(ev6-y)divide.S FORCE
  46         $(call if_changed_rule,as_o_S)
  47
  48 # There are direct branches between {str*cpy,str*cat} and stx*cpy.
  49 # Ensure the branches are within range by merging these objects.
  50
  51 LDFLAGS_stycpy.o := -r
  52 LDFLAGS_styncpy.o := -r
  53
  54 $(obj)/stycpy.o: $(obj)/strcpy.o $(obj)/$(ev67-y)strcat.o \
  55                  $(obj)/$(ev6-y)stxcpy.o FORCE
  56         $(call if_changed,ld)
  57
  58 $(obj)/styncpy.o: $(obj)/strncpy.o $(obj)/$(ev67-y)strncat.o \
  59                  $(obj)/$(ev6-y)stxncpy.o FORCE
  60         $(call if_changed,ld)