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- #
- # (C) Copyright 2000-2002
- # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
- #
- # SPDX-License-Identifier: GPL-2.0+
- #
- CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000
- PLATFORM_CPPFLAGS += -fno-strict-aliasing
- PLATFORM_CPPFLAGS += -fomit-frame-pointer
- PF_CPPFLAGS_X86 := $(call cc-option, -fno-toplevel-reorder, \
- $(call cc-option, -fno-unit-at-a-time)) \
- $(call cc-option, -mpreferred-stack-boundary=2)
- PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86)
- PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm
- PLATFORM_CPPFLAGS += -march=i386 -m32
- PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
- PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions -m elf_i386
- LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3
- LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3
- # This is used in the top-level Makefile which does not include
- # PLATFORM_LDFLAGS
- LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined
- OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \
- -j .rel -j .rela -j .reloc
- CFLAGS_NON_EFI := -mregparm=3
- CFLAGS_EFI := -fpic -fshort-wchar
- ifeq ($(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
- LDSCRIPT := $(LDSCRIPT_EFI)
- else
- PLATFORM_CPPFLAGS += $(CFLAGS_NON_EFI)
- PLATFORM_LDFLAGS += --emit-relocs
- LDFLAGS_FINAL += --gc-sections -pie
- endif
- ifneq ($(CONFIG_EFI_STUB)$(CONFIG_CMD_BOOTEFI_HELLO_COMPILE),)
- ifneq ($(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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