rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 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 | $(ev6-y)copy_page.o \ |
| 34 | fpreg.o \ |
| 35 | callback_srm.o srm_puts.o srm_printk.o \ |
| 36 | fls.o |
| 37 | |
| 38 | lib-$(CONFIG_SMP) += dec_and_lock.o |
| 39 | |
| 40 | # The division routines are built from single source, with different defines. |
| 41 | AFLAGS___divqu.o = -DDIV |
| 42 | AFLAGS___remqu.o = -DREM |
| 43 | AFLAGS___divlu.o = -DDIV -DINTSIZE |
| 44 | AFLAGS___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 | |
| 53 | LDFLAGS_stycpy.o := -r |
| 54 | LDFLAGS_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) |