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-rw-r--r--arch/x86/lib/Makefile23
1 files changed, 23 insertions, 0 deletions
diff --git a/arch/x86/lib/Makefile b/arch/x86/lib/Makefile
index b9c2922..ff402dc 100644
--- a/arch/x86/lib/Makefile
+++ b/arch/x86/lib/Makefile
@@ -44,3 +44,26 @@ NORMAL_LIBGCC = $(shell $(CC) $(PLATFORM_CPPFLAGS) -print-libgcc-file-name)
OBJCOPYFLAGS := --prefix-symbols=__normal_
$(obj)/lib.a: $(NORMAL_LIBGCC) FORCE
$(call if_changed,objcopy)
+
+obj-$(CONFIG_EFI_APP) += crt0_ia32_efi.o reloc_ia32_efi.o
+
+ifneq ($(CONFIG_EFI_STUB),)
+
+CFLAGS_REMOVE_reloc_ia32_efi.o += -mregparm=3
+CFLAGS_reloc_ia32_efi.o += -fpic -fshort-wchar
+
+# When building for 64-bit we must remove the i386-specific flags
+CFLAGS_REMOVE_reloc_x86_64_efi.o += -mregparm=3 -march=i386 -m32
+CFLAGS_reloc_x86_64_efi.o += -fpic -fshort-wchar
+
+AFLAGS_REMOVE_crt0_x86_64_efi.o += -mregparm=3 -march=i386 -m32
+AFLAGS_crt0_x86_64_efi.o += -fpic -fshort-wchar
+
+extra-$(CONFIG_EFI_STUB_32BIT) += crt0_ia32_efi.o reloc_ia32_efi.o
+extra-$(CONFIG_EFI_STUB_64BIT) += crt0_x86_64_efi.o reloc_x86_64_efi.o
+
+endif
+
+ifneq ($(CONFIG_EFI_STUB)$(CONFIG_CMD_BOOTEFI_HELLO),)
+extra-y += $(EFI_CRT0) $(EFI_RELOC)
+endif