efi: x86: Adjust EFI files support efi_loader

Add compiler flags and make a few minor adjustments to support the efi
loader.

Signed-off-by: Simon Glass <sjg@chromium.org>
[agraf: Add Kconfig dep]
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Simon Glass 2016-11-07 08:47:15 -07:00 committed by Alexander Graf
parent 2dcd4e9ee1
commit 5bd828b532
5 changed files with 22 additions and 5 deletions

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@ -65,3 +65,19 @@ PLATFORM_LDFLAGS += --emit-relocs
LDFLAGS_FINAL += --gc-sections -pie
endif
ifneq ($(CONFIG_EFI_STUB)$(CONFIG_CMD_BOOTEFI_HELLO),)
ifneq ($(CONFIG_EFI_STUB_64BIT),)
EFI_LDS := elf_x86_64_efi.lds
EFI_CRT0 := crt0_x86_64_efi.o
EFI_RELOC := reloc_x86_64_efi.o
EFI_TARGET := --target=efi-app-ia32
else
EFI_LDS := elf_ia32_efi.lds
EFI_CRT0 := crt0_ia32_efi.o
EFI_RELOC := reloc_ia32_efi.o
EFI_TARGET := --target=efi-app-x86_64
endif
endif

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@ -61,4 +61,9 @@ 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

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@ -6,8 +6,6 @@
* Modified from usr/lib32/elf_ia32_efi.lds in gnu-efi
*/
#include <config.h>
OUTPUT_FORMAT("elf32-i386", "elf32-i386", "elf32-i386")
OUTPUT_ARCH(i386)
ENTRY(_start)

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@ -6,8 +6,6 @@
* Modified from usr/lib32/elf_x86_64_efi.lds in gnu-efi
*/
#include <config.h>
OUTPUT_FORMAT("elf64-x86-64", "elf64-x86-64", "elf64-x86-64")
OUTPUT_ARCH(i386:x86-64)
ENTRY(_start)

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@ -183,7 +183,7 @@ config CMD_BOOTEFI
config CMD_BOOTEFI_HELLO
bool "Allow booting a standard EFI hello world for testing"
depends on CMD_BOOTEFI && ARM
depends on CMD_BOOTEFI && (ARM || X86)
help
This adds a standard EFI hello world application to U-Boot so that
it can be used with the 'bootefi hello' command. This is useful