1*4882a593Smuzhiyun# 2*4882a593Smuzhiyun# (C) Copyright 2000-2002 3*4882a593Smuzhiyun# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4*4882a593Smuzhiyun# 5*4882a593Smuzhiyun# SPDX-License-Identifier: GPL-2.0+ 6*4882a593Smuzhiyun# 7*4882a593Smuzhiyun 8*4882a593SmuzhiyunCONFIG_STANDALONE_LOAD_ADDR ?= 0x40000 9*4882a593Smuzhiyun 10*4882a593SmuzhiyunPLATFORM_CPPFLAGS += -fno-strict-aliasing 11*4882a593SmuzhiyunPLATFORM_CPPFLAGS += -fomit-frame-pointer 12*4882a593SmuzhiyunPF_CPPFLAGS_X86 := $(call cc-option, -fno-toplevel-reorder, \ 13*4882a593Smuzhiyun $(call cc-option, -fno-unit-at-a-time)) 14*4882a593Smuzhiyun 15*4882a593SmuzhiyunPLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86) 16*4882a593SmuzhiyunPLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm 17*4882a593Smuzhiyun 18*4882a593Smuzhiyunifdef CONFIG_SPL_BUILD 19*4882a593SmuzhiyunIS_32BIT := y 20*4882a593Smuzhiyunelse 21*4882a593Smuzhiyunifndef CONFIG_X86_64 22*4882a593SmuzhiyunIS_32BIT := y 23*4882a593Smuzhiyunendif 24*4882a593Smuzhiyunendif 25*4882a593Smuzhiyun 26*4882a593Smuzhiyunifeq ($(IS_32BIT),y) 27*4882a593SmuzhiyunPLATFORM_CPPFLAGS += -march=i386 -m32 28*4882a593Smuzhiyunelse 29*4882a593SmuzhiyunPLATFORM_CPPFLAGS += $(if $(CONFIG_SPL_BUILD),,-fpic) -fno-common -m64 30*4882a593Smuzhiyunendif 31*4882a593Smuzhiyun 32*4882a593SmuzhiyunPLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden 33*4882a593Smuzhiyun 34*4882a593SmuzhiyunPLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions 35*4882a593SmuzhiyunPLATFORM_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64) 36*4882a593Smuzhiyun 37*4882a593SmuzhiyunLDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3 38*4882a593SmuzhiyunLDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3 39*4882a593Smuzhiyun 40*4882a593Smuzhiyun# This is used in the top-level Makefile which does not include 41*4882a593Smuzhiyun# PLATFORM_LDFLAGS 42*4882a593SmuzhiyunLDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined 43*4882a593Smuzhiyun 44*4882a593SmuzhiyunOBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \ 45*4882a593Smuzhiyun -j .rel -j .rela -j .reloc 46*4882a593Smuzhiyun 47*4882a593Smuzhiyunifeq ($(IS_32BIT),y) 48*4882a593SmuzhiyunCFLAGS_NON_EFI := -mregparm=3 49*4882a593Smuzhiyunendif 50*4882a593SmuzhiyunCFLAGS_EFI := -fpic -fshort-wchar 51*4882a593Smuzhiyun 52*4882a593Smuzhiyunifeq ($(CONFIG_EFI_STUB_64BIT),) 53*4882a593SmuzhiyunCFLAGS_EFI += $(call cc-option, -mno-red-zone) 54*4882a593SmuzhiyunEFIARCH = ia32 55*4882a593SmuzhiyunEFIPAYLOAD_BFDTARGET = elf32-i386 56*4882a593Smuzhiyunelse 57*4882a593SmuzhiyunEFIARCH = x86_64 58*4882a593SmuzhiyunEFIPAYLOAD_BFDTARGET = elf64-x86-64 59*4882a593Smuzhiyunendif 60*4882a593Smuzhiyun 61*4882a593SmuzhiyunEFIPAYLOAD_BFDARCH = i386 62*4882a593Smuzhiyun 63*4882a593SmuzhiyunLDSCRIPT_EFI := $(srctree)/arch/x86/lib/elf_$(EFIARCH)_efi.lds 64*4882a593SmuzhiyunEFISTUB := crt0_$(EFIARCH)_efi.o reloc_$(EFIARCH)_efi.o 65*4882a593SmuzhiyunOBJCOPYFLAGS_EFI += --target=efi-app-$(EFIARCH) 66*4882a593Smuzhiyun 67*4882a593SmuzhiyunCPPFLAGS_REMOVE_crt0-efi-$(EFIARCH).o += $(CFLAGS_NON_EFI) 68*4882a593SmuzhiyunCPPFLAGS_crt0-efi-$(EFIARCH).o += $(CFLAGS_EFI) 69*4882a593Smuzhiyun 70*4882a593Smuzhiyunifeq ($(CONFIG_EFI_APP),y) 71*4882a593Smuzhiyun 72*4882a593SmuzhiyunPLATFORM_CPPFLAGS += $(CFLAGS_EFI) 73*4882a593SmuzhiyunLDFLAGS_FINAL += -znocombreloc -shared 74*4882a593SmuzhiyunLDSCRIPT := $(LDSCRIPT_EFI) 75*4882a593Smuzhiyun 76*4882a593Smuzhiyunelse 77*4882a593Smuzhiyun 78*4882a593SmuzhiyunPLATFORM_CPPFLAGS += $(CFLAGS_NON_EFI) 79*4882a593SmuzhiyunPLATFORM_LDFLAGS += --emit-relocs 80*4882a593SmuzhiyunLDFLAGS_FINAL += --gc-sections $(if $(CONFIG_SPL_BUILD),,-pie) 81*4882a593Smuzhiyun 82*4882a593Smuzhiyunendif 83*4882a593Smuzhiyun 84*4882a593Smuzhiyunifdef CONFIG_X86_64 85*4882a593Smuzhiyunifndef CONFIG_SPL_BUILD 86*4882a593SmuzhiyunPLATFORM_CPPFLAGS += -D__x86_64__ 87*4882a593Smuzhiyunelse 88*4882a593SmuzhiyunPLATFORM_CPPFLAGS += -D__I386__ 89*4882a593Smuzhiyunendif 90*4882a593Smuzhiyunelse 91*4882a593SmuzhiyunPLATFORM_CPPFLAGS += -D__I386__ 92*4882a593Smuzhiyunendif 93*4882a593Smuzhiyun 94*4882a593Smuzhiyunifneq ($(CONFIG_EFI_STUB)$(CONFIG_CMD_BOOTEFI_HELLO_COMPILE),) 95*4882a593Smuzhiyun 96*4882a593Smuzhiyunifneq ($(CONFIG_EFI_STUB_64BIT),) 97*4882a593SmuzhiyunEFI_LDS := elf_x86_64_efi.lds 98*4882a593SmuzhiyunEFI_CRT0 := crt0_x86_64_efi.o 99*4882a593SmuzhiyunEFI_RELOC := reloc_x86_64_efi.o 100*4882a593SmuzhiyunEFI_TARGET := --target=efi-app-ia32 101*4882a593Smuzhiyunelse 102*4882a593SmuzhiyunEFI_LDS := elf_ia32_efi.lds 103*4882a593SmuzhiyunEFI_CRT0 := crt0_ia32_efi.o 104*4882a593SmuzhiyunEFI_RELOC := reloc_ia32_efi.o 105*4882a593SmuzhiyunEFI_TARGET := --target=efi-app-x86_64 106*4882a593Smuzhiyunendif 107*4882a593Smuzhiyun 108*4882a593Smuzhiyunendif 109