Allow objcopy to work without filling gaps with 0xff

This is currently done for all targets, since 0xff is the default erased value for most flash devices. In some cases this is not what we want (e.g. for EFI images) so provide a command to do a vanilla objcopy. Signed-off-by: Simon Glass <[email protected]> Reviewed-by: Bin Meng <[email protected]>
imaami · Aug 5, 2015 · e020c88 · e020c88
1 parent 5efa281
commit e020c88
Show file tree

Hide file tree

Showing 2 changed files with 7 additions and 3 deletions.
diff --git a/Makefile b/Makefile
@@ -780,8 +780,14 @@ ifneq ($(CONFIG_SYS_TEXT_BASE),)
 LDFLAGS_u-boot += -Ttext $(CONFIG_SYS_TEXT_BASE)
 endif
 
+# Normally we fill empty space with 0xff
 quiet_cmd_objcopy = OBJCOPY $@
-cmd_objcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
+cmd_objcopy = $(OBJCOPY) --gap-fill=0xff $(OBJCOPYFLAGS) \
+	$(OBJCOPYFLAGS_$(@F)) $< $@
+
+# Provide a version which does not do this, for use by EFI
+quiet_cmd_zobjcopy = OBJCOPY $@
+cmd_zobjcopy = $(OBJCOPY) $(OBJCOPYFLAGS) $(OBJCOPYFLAGS_$(@F)) $< $@
 
 quiet_cmd_mkimage = MKIMAGE $@
 cmd_mkimage = $(objtree)/tools/mkimage $(MKIMAGEFLAGS_$(@F)) -d $< $@ \

diff --git a/config.mk b/config.mk
@@ -73,8 +73,6 @@ endif
 
 RELFLAGS := $(PLATFORM_RELFLAGS)
 
-OBJCOPYFLAGS += --gap-fill=0xff
-
 PLATFORM_CPPFLAGS += $(RELFLAGS)
 PLATFORM_CPPFLAGS += -pipe