karo: tx28: set CONFIG_ENV_OVERWRITE also for NAND environment

[karo-tx-uboot.git] / arch / x86 / config.mk

diff --git a/arch/x86/config.mk b/arch/x86/config.mk
index e9452012a66aa8bb246939202a43c7b7b848e0ed..d7addd872866a7e752ae2be4856157fe5bd9242c 100644 (file)
--- 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