efi: Add support for a hello world test program

[people/ms/u-boot.git] / scripts / Makefile.lib

diff --git a/scripts/Makefile.lib b/scripts/Makefile.lib
index 45a0e1d486c0f50d8c8948b99257ca46046d6b53..956a8a9b04471fceabdc8ca659a577da6360af78 100644 (file)
--- a/scripts/Makefile.lib
+++ b/scripts/Makefile.lib
@@ -321,6 +321,39 @@ cmd_S_ttf=                                         \
 $(obj)/%.S: $(src)/%.ttf
        $(call cmd,S_ttf)
 
+# EFI Hello World application
+# ---------------------------------------------------------------------------
+
+# Generate an assembly file to wrap the EFI app
+cmd_S_efi=                                             \
+(                                                      \
+       echo '.section .rodata.efi.init,"a"';           \
+       echo '.balign 16';                              \
+       echo '.global __efi_hello_world_begin';         \
+       echo '__efi_hello_world_begin:';                \
+       echo '.incbin "$<" ';                           \
+       echo '__efi_hello_world_end:';                  \
+       echo '.global __efi_hello_world_end';           \
+       echo '.balign 16';                              \
+) > $@
+
+$(obj)/%_efi.S: $(obj)/%.efi
+       $(call cmd,S_efi)
+
+$(obj)/%.efi: $(obj)/%.so
+       $(OBJCOPY) -j .header -j .text -j .sdata -j .data -j .dynamic \
+               -j .dynsym  -j .rel* -j .rela* -j .reloc \
+               $(if $(EFI_TARGET),$(EFI_TARGET),-O binary) $^ $@
+
+EFI_LDS_PATH = $(srctree)/arch/$(ARCH)/lib/$(EFI_LDS)
+
+$(obj)/helloworld.so: $(EFI_LDS_PATH)
+
+$(obj)/helloworld.so: $(obj)/helloworld.o arch/$(ARCH)/lib/$(EFI_CRT0) \
+               arch/$(ARCH)/lib/$(EFI_RELOC)
+       $(LD) -nostdlib -znocombreloc -T $(EFI_LDS_PATH) -shared -Bsymbolic \
+               $^ -o $@
+
 # ACPI
 # ---------------------------------------------------------------------------
 quiet_cmd_acpi_c_asl= ASL     $<