Re: [PATCH v5 27/28] x86: efi: Set the correct link flags for the 64-bit EFI app
On 12/4/21 16:56, Simon Glass wrote: > At present some 32-bit settings are used with the 64-bit app. Fix this by > separating out the two cases. > > Be careful not to break the 64-bit payload, which needs to build a 64-bit > EFI stub with a 32-bit U-Boot. > > Signed-off-by: Simon Glass Signed-off-by: Christian Melki > --- > > Changes in v5: > - Add new patch to set the correct link flags for the 64-bit EFI app > > arch/x86/config.mk | 15 --- > 1 file changed, 12 insertions(+), 3 deletions(-) > > diff --git a/arch/x86/config.mk b/arch/x86/config.mk > index 589f2aed2bc..889497b6bd7 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) >
[PATCH v5 27/28] x86: efi: Set the correct link flags for the 64-bit EFI app
At present some 32-bit settings are used with the 64-bit app. Fix this by separating out the two cases. Be careful not to break the 64-bit payload, which needs to build a 64-bit EFI stub with a 32-bit U-Boot. Signed-off-by: Simon Glass --- Changes in v5: - Add new patch to set the correct link flags for the 64-bit EFI app arch/x86/config.mk | 15 --- 1 file changed, 12 insertions(+), 3 deletions(-) diff --git a/arch/x86/config.mk b/arch/x86/config.mk index 589f2aed2bc..889497b6bd7 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) -- 2.34.1.400.ga245620fadb-goog
