1# 2# (C) Copyright 2000-2002 3# Wolfgang Denk, DENX Software Engineering, wd@denx.de. 4# 5# SPDX-License-Identifier: GPL-2.0+ 6# 7 8CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000 9 10PLATFORM_CPPFLAGS += -fno-strict-aliasing 11PLATFORM_CPPFLAGS += -fomit-frame-pointer 12PF_CPPFLAGS_X86 := $(call cc-option, -fno-toplevel-reorder, \ 13 $(call cc-option, -fno-unit-at-a-time)) \ 14 $(call cc-option, -mpreferred-stack-boundary=2) 15 16PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86) 17PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm 18PLATFORM_CPPFLAGS += -march=i386 -m32 19 20PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden 21 22PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions -m elf_i386 23 24LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3 25LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3 26 27# This is used in the top-level Makefile which does not include 28# PLATFORM_LDFLAGS 29LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined 30 31OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \ 32 -j .rel -j .rela -j .reloc 33 34CFLAGS_NON_EFI := -mregparm=3 35CFLAGS_EFI := -fpic -fshort-wchar 36 37EFIARCH = ia32 38EFIPAYLOAD_BFDTARGET = elf32-i386 39 40EFIPAYLOAD_BFDARCH = i386 41 42LDSCRIPT_EFI := $(srctree)/$(CPUDIR)/efi/elf_$(EFIARCH)_efi.lds 43OBJCOPYFLAGS_EFI += --target=efi-app-$(EFIARCH) 44 45ifeq ($(CONFIG_EFI_APP),y) 46 47PLATFORM_CPPFLAGS += $(CFLAGS_EFI) 48LDFLAGS_FINAL += -znocombreloc -shared 49LDSCRIPT := $(LDSCRIPT_EFI) 50 51else 52 53PLATFORM_CPPFLAGS += $(CFLAGS_NON_EFI) 54PLATFORM_LDFLAGS += --emit-relocs 55LDFLAGS_FINAL += --gc-sections -pie 56 57endif 58