| # -*- makefile -*- |
| # |
| # arch/alpha/Makefile.inc |
| # |
| # Special rules for this architecture. Note that this is actually |
| # included from the main Makefile, and that pathnames should be |
| # accordingly. |
| # |
| |
| always := crt0.o |
| targets := crt0.o |
| klib-y := pipe.o setjmp.o syscall.o sysdual.o |
| |
| # Special CFLAGS for the divide code |
| DIVCFLAGS = $(KLIBCREQFLAGS) $(KLIBCARCHREQFLAGS) \ |
| -O3 -fomit-frame-pointer -fcall-saved-1 -fcall-saved-2 \ |
| -fcall-saved-3 -fcall-saved-4 -fcall-saved-5 -fcall-saved-6 \ |
| -fcall-saved-7 -fcall-saved-8 -ffixed-15 -fcall-saved-16 \ |
| -fcall-saved-17 -fcall-saved-18 -fcall-saved-19 -fcall-saved-20 \ |
| -fcall-saved-21 -fcall-saved-22 -ffixed-23 -fcall-saved-24 \ |
| -ffixed-25 -ffixed-27 |
| |
| div-objs := __divqu.o __remqu.o __divq.o __remq.o |
| div-objs += __divlu.o __remlu.o __divl.o __reml.o |
| klib-y += $(div-objs) |
| |
| quiet_cmd_regswap = REGSWAP $@ |
| cmd_regswap = sed -e 's/\$$0\b/$$27/g' -e 's/\$$24\b/$$99/g' \ |
| -e 's/\$$16\b/$$24/g' -e 's/\$$17\b/$$25/g' \ |
| -e 's/\$$26\b/$$23/g' -e 's/\$$99\b/$$16/g' < $< > $@ |
| |
| # Use static pattern rule to avoid using a temporary file |
| $(addprefix $(obj)/,$(div-objs:.o=.S)): $(obj)/%.S: $(obj)/%.ss |
| $(call if_changed,regswap) |
| |
| quiet_cmd_genss = DIV-CC $@ |
| cmd_genss = $(CC) $(DIVCFLAGS) $(FILE_CFLAGS) \ |
| -DNAME=$(basename $(notdir $@)) -S -o $@ $< |
| |
| $(obj)/%.ss: $(obj)/divide.c |
| $(call if_changed,genss) |
| |
| $(obj)/__divqu.ss: FILE_CFLAGS := -DSIGNED=0 -DREM=0 -DBITS=64 |
| $(obj)/__remqu.ss: FILE_CFLAGS := -DSIGNED=0 -DREM=1 -DBITS=64 |
| $(obj)/__divq.ss: FILE_CFLAGS := -DSIGNED=1 -DREM=0 -DBITS=64 |
| $(obj)/__remq.ss: FILE_CFLAGS := -DSIGNED=1 -DREM=1 -DBITS=64 |
| $(obj)/__divlu.ss: FILE_CFLAGS := -DSIGNED=0 -DREM=0 -DBITS=32 |
| $(obj)/__remlu.ss: FILE_CFLAGS := -DSIGNED=0 -DREM=1 -DBITS=32 |
| $(obj)/__divl.ss: FILE_CFLAGS := -DSIGNED=1 -DREM=0 -DBITS=32 |
| $(obj)/__reml.ss: FILE_CFLAGS := -DSIGNED=1 -DREM=1 -DBITS=32 |
| |
| targets += $(div-objs:.o=.S) $(div-objs:.o=.ss) |