include/asm-offsets.h: automatically generate assembler constants

[karo-tx-uboot.git] / Makefile

diff --git a/Makefile b/Makefile
index f9f83eb12f323dc4aa366d159a71aedbfdf23003..b50830a45ff9f4f4a90ec68184e634d43749fdd9 100644 (file)
--- a/Makefile
+++ b/Makefile
@@ -372,7 +372,8 @@ GEN_UBOOT = \
                cd $(LNDIR) && $(LD) $(LDFLAGS) $$UNDEF_SYM $(__OBJS) \
                        --start-group $(__LIBS) --end-group $(PLATFORM_LIBS) \
                        -Map u-boot.map -o u-boot
-$(obj)u-boot:  depend $(SUBDIRS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
+$(obj)u-boot:  depend \
+               $(SUBDIRS) $(OBJS) $(LIBBOARD) $(LIBS) $(LDSCRIPT) $(obj)u-boot.lds
                $(GEN_UBOOT)
 ifeq ($(CONFIG_KALLSYMS),y)
                smap=`$(call SYSTEM_MAP,u-boot) | \
@@ -426,7 +427,9 @@ updater:
 
 # Explicitly make _depend in subdirs containing multiple targets to prevent
 # parallel sub-makes creating .depend files simultaneously.
-depend dep:    $(TIMESTAMP_FILE) $(VERSION_FILE) $(obj)include/autoconf.mk
+depend dep:    $(TIMESTAMP_FILE) $(VERSION_FILE) \
+               $(obj)include/autoconf.mk \
+               $(obj)include/generated/generic-asm-offsets.h
                for dir in $(SUBDIRS) $(CPUDIR) $(dir $(LDSCRIPT)) ; do \
                        $(MAKE) -C $$dir _depend ; done
 
@@ -473,6 +476,18 @@ $(obj)include/autoconf.mk: $(obj)include/config.h
                sed -n -f tools/scripts/define2mk.sed > $@.tmp && \
        mv $@.tmp $@
 
+$(obj)include/generated/generic-asm-offsets.h: $(obj)include/autoconf.mk.dep \
+       $(obj)lib/asm-offsets.s
+       @$(XECHO) Generating $@
+       tools/scripts/make-asm-offsets $(obj)lib/asm-offsets.s $@
+
+$(obj)lib/asm-offsets.s:       $(obj)include/autoconf.mk.dep \
+       $(src)lib/asm-offsets.c
+       @mkdir -p $(obj)lib
+       $(CC) -DDO_DEPS_ONLY \
+               $(CFLAGS) $(CFLAGS_$(BCURDIR)/$(@F)) $(CFLAGS_$(BCURDIR)) \
+               -o $@ $(src)lib/asm-offsets.c -c -S
+
 #########################################################################
 else   # !config.mk
 all $(obj)u-boot.hex $(obj)u-boot.srec $(obj)u-boot.bin \
@@ -1206,6 +1221,7 @@ clean:
               $(obj)u-boot.lds                                           \
               $(obj)arch/blackfin/cpu/bootrom-asm-offsets.[chs]
        @rm -f $(obj)include/bmp_logo.h
+       @rm -f $(obj)lib/asm-offsets.s
        @rm -f $(obj)nand_spl/{u-boot.lds,u-boot-spl,u-boot-spl.map,System.map}
        @rm -f $(obj)onenand_ipl/onenand-{ipl,ipl.bin,ipl.map}
        @rm -f $(ONENAND_BIN)
@@ -1229,6 +1245,7 @@ clobber:  clean
        @rm -f $(obj)tools/{env/crc32.c,inca-swap-bytes}
        @rm -f $(obj)arch/powerpc/cpu/mpc824x/bedbug_603e.c
        @rm -f $(obj)include/asm/proc $(obj)include/asm/arch $(obj)include/asm
+       @rm -fr $(obj)include/generated
        @[ ! -d $(obj)nand_spl ] || find $(obj)nand_spl -name "*" -type l -print | xargs rm -f
        @[ ! -d $(obj)onenand_ipl ] || find $(obj)onenand_ipl -name "*" -type l -print | xargs rm -f