2 # (C) Copyright 2000-2002
3 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
5 # SPDX-License-Identifier: GPL-2.0+
8 CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000
10 PLATFORM_CPPFLAGS += -fno-strict-aliasing
11 PLATFORM_CPPFLAGS += -fomit-frame-pointer
12 PF_CPPFLAGS_X86 := $(call cc-option, -fno-toplevel-reorder, \
13 $(call cc-option, -fno-unit-at-a-time))
15 PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86)
16 PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm
18 ifdef CONFIG_SPL_BUILD
27 PLATFORM_CPPFLAGS += -march=i386 -m32
29 PLATFORM_CPPFLAGS += $(if $(CONFIG_SPL_BUILD),,-fpic) -fno-common -m64
32 PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
34 PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions
35 PLATFORM_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64)
37 # This is used in the top-level Makefile which does not include
39 LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined
41 OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \
42 -j .rel -j .rela -j .reloc
45 CFLAGS_NON_EFI := -mregparm=3
47 CFLAGS_EFI := -fpic -fshort-wchar
49 ifeq ($(CONFIG_EFI_STUB_64BIT),)
50 CFLAGS_EFI += $(call cc-option, -mno-red-zone)
52 EFIPAYLOAD_BFDTARGET = elf32-i386
55 EFIPAYLOAD_BFDTARGET = elf64-x86-64
58 EFIPAYLOAD_BFDARCH = i386
60 LDSCRIPT_EFI := $(srctree)/arch/x86/lib/elf_$(EFIARCH)_efi.lds
61 EFISTUB := crt0_$(EFIARCH)_efi.o reloc_$(EFIARCH)_efi.o
62 OBJCOPYFLAGS_EFI += --target=efi-app-$(EFIARCH)
64 CPPFLAGS_REMOVE_crt0-efi-$(EFIARCH).o += $(CFLAGS_NON_EFI)
65 CPPFLAGS_crt0-efi-$(EFIARCH).o += $(CFLAGS_EFI)
67 ifeq ($(CONFIG_EFI_APP),y)
69 PLATFORM_CPPFLAGS += $(CFLAGS_EFI)
70 LDFLAGS_FINAL += -znocombreloc -shared
71 LDSCRIPT := $(LDSCRIPT_EFI)
75 PLATFORM_CPPFLAGS += $(CFLAGS_NON_EFI)
76 PLATFORM_LDFLAGS += --emit-relocs
77 LDFLAGS_FINAL += --gc-sections $(if $(CONFIG_SPL_BUILD),,-pie)
82 ifndef CONFIG_SPL_BUILD
83 PLATFORM_CPPFLAGS += -D__x86_64__
85 PLATFORM_CPPFLAGS += -D__I386__
88 PLATFORM_CPPFLAGS += -D__I386__
91 ifneq ($(CONFIG_EFI_STUB)$(CONFIG_CMD_BOOTEFI_HELLO_COMPILE),)
93 ifneq ($(CONFIG_EFI_STUB_64BIT),)
94 EFI_LDS := elf_x86_64_efi.lds
95 EFI_CRT0 := crt0_x86_64_efi.o
96 EFI_RELOC := reloc_x86_64_efi.o
98 EFI_LDS := elf_ia32_efi.lds
99 EFI_CRT0 := crt0_ia32_efi.o
100 EFI_RELOC := reloc_ia32_efi.o
104 EFI_TARGET := --target=efi-app-x86_64
106 EFI_TARGET := --target=efi-app-ia32