| # |
| # (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 |