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-rw-r--r--arch/x86/config.mk15
1 files changed, 12 insertions, 3 deletions
diff --git a/arch/x86/config.mk b/arch/x86/config.mk
index 589f2aed2b..889497b6bd 100644
--- a/arch/x86/config.mk
+++ b/arch/x86/config.mk
@@ -20,6 +20,11 @@ IS_32BIT := y
endif
endif
+EFI_IS_32BIT := $(IS_32BIT)
+ifdef CONFIG_EFI_STUB_64BIT
+EFI_IS_32BIT :=
+endif
+
ifeq ($(IS_32BIT),y)
PLATFORM_CPPFLAGS += -march=i386 -m32
else
@@ -44,8 +49,14 @@ CFLAGS_EFI := -fpic -fshort-wchar
# Compiler flags to be removed when building UEFI applications
CFLAGS_NON_EFI := -mregparm=3 -fstack-protector-strong
-ifeq ($(CONFIG_EFI_STUB_64BIT),)
+ifeq ($(IS_32BIT),y)
+EFIPAYLOAD_BFDARCH = i386
+else
CFLAGS_EFI += $(call cc-option, -mno-red-zone)
+EFIPAYLOAD_BFDARCH = x86_64
+endif
+
+ifeq ($(EFI_IS_32BIT),y)
EFIARCH = ia32
EFIPAYLOAD_BFDTARGET = elf32-i386
else
@@ -53,8 +64,6 @@ EFIARCH = x86_64
EFIPAYLOAD_BFDTARGET = elf64-x86-64
endif
-EFIPAYLOAD_BFDARCH = i386
-
LDSCRIPT_EFI := $(srctree)/arch/x86/lib/elf_$(EFIARCH)_efi.lds
EFISTUB := crt0_$(EFIARCH)_efi.o reloc_$(EFIARCH)_efi.o
OBJCOPYFLAGS_EFI += --target=efi-app-$(EFIARCH)