arm: am43xx: enable spi clock

[karo-tx-uboot.git] / scripts / Makefile.lib

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index d568fde2cc34db92e4ccf7157ad7dfc53288bb76..1c949fc0eb966cb13ea1c76fe509f50a92a74494 100644 (file)
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -27,7 +27,7 @@ lib-y := $(filter-out $(obj-y), $(sort $(lib-y) $(lib-m)))
 # ---------------------------------------------------------------------------
 # o if we encounter foo/ in $(obj-y), replace it by foo/built-in.o
 #   and add the directory to the list of dirs to descend into: $(subdir-y)
-# o if we encounter foo/ in $(obj-m), remove it from $(obj-m) 
+# o if we encounter foo/ in $(obj-m), remove it from $(obj-m)
 #   and add the directory to the list of dirs to descend into: $(subdir-m)
 
 # Determine modorder.
@@ -46,7 +46,7 @@ obj-m         := $(filter-out %/, $(obj-m))
 
 subdir-ym      := $(sort $(subdir-y) $(subdir-m))
 
-# if $(foo-objs) exists, foo.o is a composite object 
+# if $(foo-objs) exists, foo.o is a composite object
 multi-used-y := $(sort $(foreach m,$(obj-y), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m))))
 multi-used-m := $(sort $(foreach m,$(obj-m), $(if $(strip $($(m:.o=-objs)) $($(m:.o=-y))), $(m))))
 multi-used   := $(multi-used-y) $(multi-used-m)
@@ -91,7 +91,7 @@ obj-dirs      := $(addprefix $(obj)/,$(obj-dirs))
 
 # These flags are needed for modversions and compiling, so we define them here
 # already
-# $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will 
+# $(modname_flags) #defines KBUILD_MODNAME as the name of the module it will
 # end up in (or would, if it gets compiled in)
 # Note: Files that end up in two or more modules are compiled without the
 #       KBUILD_MODNAME definition. The reason is that any made-up name would
@@ -104,8 +104,9 @@ modname_flags  = $(if $(filter 1,$(words $(modname))),\
 orig_c_flags   = $(KBUILD_CPPFLAGS) $(KBUILD_CFLAGS) $(KBUILD_SUBDIR_CCFLAGS) \
                  $(ccflags-y) $(CFLAGS_$(basetarget).o)
 _c_flags       = $(filter-out $(CFLAGS_REMOVE_$(basetarget).o), $(orig_c_flags))
-_a_flags       = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(KBUILD_SUBDIR_ASFLAGS) \
+orig_a_flags   = $(KBUILD_CPPFLAGS) $(KBUILD_AFLAGS) $(KBUILD_SUBDIR_ASFLAGS) \
                  $(asflags-y) $(AFLAGS_$(basetarget).o)
+_a_flags       = $(filter-out $(AFLAGS_REMOVE_$(basetarget).o), $(orig_a_flags))
 _cpp_flags     = $(KBUILD_CPPFLAGS) $(cppflags-y) $(CPPFLAGS_$(@F))
 
 #
@@ -119,6 +120,16 @@ _c_flags += $(if $(patsubst n%,, \
                $(CFLAGS_GCOV))
 endif
 
+#
+# Enable address sanitizer flags for kernel except some files or directories
+# we don't want to check (depends on variables KASAN_SANITIZE_obj.o, KASAN_SANITIZE)
+#
+ifeq ($(CONFIG_KASAN),y)
+_c_flags += $(if $(patsubst n%,, \
+               $(KASAN_SANITIZE_$(basetarget).o)$(KASAN_SANITIZE)y), \
+               $(CFLAGS_KASAN))
+endif
+
 # If building the kernel in a separate objtree expand all occurrences
 # of -Idir to -I$(srctree)/dir except for absolute paths (starting with '/').
 
@@ -153,12 +164,22 @@ ld_flags       = $(LDFLAGS) $(ldflags-y)
 # Modified for U-Boot
 dtc_cpp_flags  = -Wp,-MD,$(depfile).pre.tmp -nostdinc                    \
                 -I$(srctree)/arch/$(ARCH)/dts                           \
+                -I$(srctree)/arch/$(ARCH)/dts/include                   \
                 -undef -D__DTS__
 
 # Finds the multi-part object the current object will be linked into
 modname-multi = $(sort $(foreach m,$(multi-used),\
                $(if $(filter $(subst $(obj)/,,$*.o), $($(m:.o=-objs)) $($(m:.o=-y))),$(m:.o=))))
 
+# Useful for describing the dependency of composite objects
+# Usage:
+#   $(call multi_depend, multi_used_targets, suffix_to_remove, suffix_to_add)
+define multi_depend
+$(foreach m, $(notdir $1), \
+       $(eval $(obj)/$m: \
+       $(addprefix $(obj)/, $(foreach s, $3, $($(m:%$(strip $2)=%$(s)))))))
+endef
+
 ifdef REGENERATE_PARSERS
 
 # GPERF
@@ -212,7 +233,7 @@ $(obj)/%: $(src)/%_shipped
 
 # Commands useful for building a boot image
 # ===========================================================================
-# 
+#
 #      Use as following:
 #
 #      target: source(s) FORCE
@@ -226,7 +247,7 @@ $(obj)/%: $(src)/%_shipped
 
 quiet_cmd_ld = LD      $@
 cmd_ld = $(LD) $(LDFLAGS) $(ldflags-y) $(LDFLAGS_$(@F)) \
-              $(filter-out FORCE,$^) -o $@ 
+              $(filter-out FORCE,$^) -o $@
 
 # Objcopy
 # ---------------------------------------------------------------------------
@@ -250,11 +271,13 @@ quiet_cmd_dt_S_dtb= DTB     $@
 cmd_dt_S_dtb=                                          \
 (                                                      \
        echo '.section .dtb.init.rodata,"a"';           \
+       echo '.balign 16';                              \
        echo '.global __dtb_$(*F)_begin';               \
        echo '__dtb_$(*F)_begin:';                      \
        echo '.incbin "$<" ';                           \
        echo '__dtb_$(*F)_end:';                        \
        echo '.global __dtb_$(*F)_end';                 \
+       echo '.balign 16';                              \
 ) > $@
 
 $(obj)/%.dtb.S: $(obj)/%.dtb
@@ -262,8 +285,9 @@ $(obj)/%.dtb.S: $(obj)/%.dtb
 
 quiet_cmd_dtc = DTC     $@
 # Modified for U-Boot
-cmd_dtc = $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
-       dtc -O dtb -o $@ -b 0 \
+cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
+       $(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
+       $(DTC) -O dtb -o $@ -b 0 \
                -i $(dir $<) $(DTC_FLAGS) \
                -d $(depfile).dtc.tmp $(dtc-tmp) ; \
        cat $(depfile).pre.tmp $(depfile).dtc.tmp > $(depfile)
@@ -368,6 +392,10 @@ cmd_xzmisc = (cat $(filter-out FORCE,$^) | \
        xz --check=crc32 --lzma2=dict=1MiB) > $@ || \
        (rm -f $@ ; false)
 
-# misc stuff
+# Additional commands for U-Boot
+#
+# mkimage
 # ---------------------------------------------------------------------------
-quote:="
+quiet_cmd_mkimage = MKIMAGE $@
+cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \
+       $(if $(KBUILD_VERBOSE:1=), >/dev/null)