X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Fx86%2Fconfig.mk;h=d7addd872866a7e752ae2be4856157fe5bd9242c;hb=1a2728ae4faf12874173de156b8a7e66cfbbeae5;hp=e9452012a66aa8bb246939202a43c7b7b848e0ed;hpb=880c80d004acdc7370ab892df51c37c0cf0ff86d;p=oweals%2Fu-boot.git diff --git a/arch/x86/config.mk b/arch/x86/config.mk index e9452012a6..d7addd8728 100644 --- a/arch/x86/config.mk +++ b/arch/x86/config.mk @@ -2,41 +2,66 @@ # (C) Copyright 2000-2002 # Wolfgang Denk, DENX Software Engineering, wd@denx.de. # -# See file CREDITS for list of people who contributed to this -# project. -# -# This program is free software; you can redistribute it and/or -# modify it under the terms of the GNU General Public License as -# published by the Free Software Foundation; either version 2 of -# the License, or (at your option) any later version. -# -# This program is distributed in the hope that it will be useful, -# but WITHOUT ANY WARRANTY; without even the implied warranty of -# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the -# GNU General Public License for more details. -# -# You should have received a copy of the GNU General Public License -# along with this program; if not, write to the Free Software -# Foundation, Inc., 59 Temple Place, Suite 330, Boston, -# MA 02111-1307 USA +# SPDX-License-Identifier: GPL-2.0+ # CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000 PLATFORM_CPPFLAGS += -fno-strict-aliasing -PLATFORM_CPPFLAGS += -Wstrict-prototypes -PLATFORM_CPPFLAGS += -mregparm=3 PLATFORM_CPPFLAGS += -fomit-frame-pointer -PLATFORM_CPPFLAGS += $(call cc-option, -ffreestanding) -PLATFORM_CPPFLAGS += $(call cc-option, -fno-toplevel-reorder, $(call cc-option, -fno-unit-at-a-time)) -PLATFORM_CPPFLAGS += $(call cc-option, -fno-stack-protector) -PLATFORM_CPPFLAGS += $(call cc-option, -mpreferred-stack-boundary=2) +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 += $(PF_CPPFLAGS_X86) PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm -PLATFORM_CPPFLAGS += -DREALMODE_BASE=0x7c0 +PLATFORM_CPPFLAGS += -march=i386 -m32 PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden -PLATFORM_LDFLAGS += --emit-relocs -Bsymbolic -Bsymbolic-functions +PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions -m elf_i386 + +LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3 +LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3 + +# This is used in the top-level Makefile which does not include +# PLATFORM_LDFLAGS +LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined + +OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \ + -j .rel -j .rela -j .reloc + +CFLAGS_NON_EFI := -mregparm=3 +CFLAGS_EFI := -fpic -fshort-wchar +ifeq ($(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 := $(srctree)/$(CPUDIR)/efi/elf_$(EFIARCH)_efi.lds +EFISTUB := crt0-efi-$(EFIARCH).o reloc_$(EFIARCH).o +OBJCOPYFLAGS_EFI += --target=efi-app-$(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 -LDSCRIPT := $(SRCTREE)/$(CPUDIR)/u-boot.lds + +endif