[U-Boot] [PATCH 22/48] efi: Support building a u-boot.efi executable

[Simon Glass]

Add support for building U-Boot as an EFI application with a .efi suffix.
This can be loaded by EFI provided that EFI has the same bit width (32-
or 64-bit) as U-Boot. This unfortunate limitation is imposed by EFI.

Signed-off-by: Simon Glass <sjg at chromium.org>
---

 Makefile | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/Makefile b/Makefile
index e0218b3..91ebc2e 100644
--- a/Makefile
+++ b/Makefile
@@ -752,6 +752,7 @@ ifneq ($(CONFIG_SPL_TARGET),)
 ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
 endif
 ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf
+ALL-$(CONFIG_ARCH_EFI) += u-boot.efi
 
 ifneq ($(BUILD_ROM),)
 ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom
@@ -1080,6 +1081,10 @@ u-boot-dtb-tegra.bin: u-boot-nodtb-tegra.bin dts/dt.dtb FORCE
 endif
 endif
 
+OBJCOPYFLAGS_u-boot.efi := $(OBJCOPYFLAGS_EFI)
+u-boot.efi: u-boot FORCE
+	$(call if_changed,zobjcopy)
+
 u-boot-img.bin: spl/u-boot-spl.bin u-boot.img FORCE
 	$(call if_changed,cat)
 
-- 
2.4.3.573.g4eafbef