[U-Boot] [PATCH v2 25/47] 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>
---

Changes in v2:
- Rename CONFIG_ARCH_EFI to CONFIG_EFI_APP

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

diff --git a/Makefile b/Makefile
index 2a3119e..3fb006b 100644
--- a/Makefile
+++ b/Makefile
@@ -750,6 +750,7 @@ ifneq ($(CONFIG_SPL_TARGET),)
 ALL-$(CONFIG_SPL) += $(CONFIG_SPL_TARGET:"%"=%)
 endif
 ALL-$(CONFIG_REMAKE_ELF) += u-boot.elf
+ALL-$(CONFIG_EFI_APP) += u-boot.efi
 
 ifneq ($(BUILD_ROM),)
 ALL-$(CONFIG_X86_RESET_VECTOR) += u-boot.rom
@@ -1078,6 +1079,10 @@ 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)
 
-- 
2.5.0.rc2.392.g76e840b