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 <sjg@chromium.org>
Reviewed-by: Bin Meng <bmeng.cn@gmail.com>

2 files changed, 7 insertions, 3 deletions

diff --git a/Makefile b/Makefile
index 7ccd614..1b03357 100644
--- 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
index 6282919..b77d589 100644
--- a/config.mk
+++ b/config.mk
@@ -73,8 +73,6 @@ endif
 
 RELFLAGS := $(PLATFORM_RELFLAGS)
 
-OBJCOPYFLAGS += --gap-fill=0xff
-
 PLATFORM_CPPFLAGS += $(RELFLAGS)
 PLATFORM_CPPFLAGS += -pipe