diff options
Diffstat (limited to 'roms/u-boot/arch/x86/config.mk')
-rw-r--r-- | roms/u-boot/arch/x86/config.mk | 121 |
1 files changed, 121 insertions, 0 deletions
diff --git a/roms/u-boot/arch/x86/config.mk b/roms/u-boot/arch/x86/config.mk new file mode 100644 index 000000000..7a8242562 --- /dev/null +++ b/roms/u-boot/arch/x86/config.mk @@ -0,0 +1,121 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# (C) Copyright 2000-2002 +# Wolfgang Denk, DENX Software Engineering, wd@denx.de. + +CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000 + +PLATFORM_CPPFLAGS += -fomit-frame-pointer +PF_CPPFLAGS_X86 := $(call cc-option, -fno-toplevel-reorder, \ + $(call cc-option, -fno-unit-at-a-time)) + +PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86) +PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm + +ifdef CONFIG_SPL_BUILD +IS_32BIT := y +else +ifndef CONFIG_X86_64 +IS_32BIT := y +endif +endif + +ifeq ($(IS_32BIT),y) +PLATFORM_CPPFLAGS += -march=i386 -m32 +else +PLATFORM_CPPFLAGS += $(if $(CONFIG_SPL_BUILD),,-fpic) -fno-common -march=core2 -m64 +PLATFORM_CPPFLAGS += -mno-mmx -mno-sse +endif + +PLATFORM_RELFLAGS += -fdata-sections -ffunction-sections -fvisibility=hidden + +KBUILD_LDFLAGS += -Bsymbolic -Bsymbolic-functions +KBUILD_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64) + +# This is used in the top-level Makefile which does not include +# KBUILD_LDFLAGS +LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined -s + +OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \ + -j .rel -j .rela -j .reloc + +# Compiler flags to be added when building UEFI applications +CFLAGS_EFI := -fpic -fshort-wchar +# Compiler flags to be removed when building UEFI applications +CFLAGS_NON_EFI := -mregparm=3 -fstack-protector-strong + +ifeq ($(CONFIG_EFI_STUB_64BIT),) +CFLAGS_EFI += $(call cc-option, -mno-red-zone) +EFIARCH = ia32 +EFIPAYLOAD_BFDTARGET = elf32-i386 +else +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-$(EFIARCH) + +CPPFLAGS_REMOVE_crt0-efi-$(EFIARCH).o += $(CFLAGS_NON_EFI) +CPPFLAGS_crt0-efi-$(EFIARCH).o += $(CFLAGS_EFI) + +ifeq ($(CONFIG_EFI_APP),y) + +PLATFORM_CPPFLAGS += $(CFLAGS_EFI) +LDFLAGS_FINAL += -znocombreloc -shared -s +LDSCRIPT := $(LDSCRIPT_EFI) + +else + +ifeq ($(IS_32BIT),y) +PLATFORM_CPPFLAGS += -mregparm=3 +endif +KBUILD_LDFLAGS += --emit-relocs +LDFLAGS_FINAL += --gc-sections $(if $(CONFIG_SPL_BUILD),,-pie) + +endif + +ifdef CONFIG_X86_64 +ifndef CONFIG_SPL_BUILD +PLATFORM_CPPFLAGS += -D__x86_64__ +else +PLATFORM_CPPFLAGS += -D__I386__ +endif +else +PLATFORM_CPPFLAGS += -D__I386__ +endif + +ifdef CONFIG_EFI_STUB + +ifdef 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 +else +EFI_LDS := elf_ia32_efi.lds +EFI_CRT0 := crt0_ia32_efi.o +EFI_RELOC := reloc_ia32_efi.o +endif + +else + +ifdef CONFIG_X86_64 +EFI_LDS := elf_x86_64_efi.lds +EFI_CRT0 := crt0_x86_64_efi.o +EFI_RELOC := reloc_x86_64_efi.o +else +EFI_LDS := elf_ia32_efi.lds +EFI_CRT0 := crt0_ia32_efi.o +EFI_RELOC := reloc_ia32_efi.o +endif + +endif + +ifdef CONFIG_X86_64 +EFI_TARGET := --target=efi-app-x86_64 +else +EFI_TARGET := --target=efi-app-ia32 +endif |