arch/x86/config.mk

   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
   8 CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000
   9
  10 PLATFORM_CPPFLAGS += -fno-strict-aliasing
  11 PLATFORM_CPPFLAGS += -mregparm=3
  12 PLATFORM_CPPFLAGS += -fomit-frame-pointer
  13 PF_CPPFLAGS_X86   := $(call cc-option, -fno-toplevel-reorder, \
  14                        $(call cc-option, -fno-unit-at-a-time)) \
  15                      $(call cc-option, -mpreferred-stack-boundary=2)
  16 PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86)
  17 PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm
  18 PLATFORM_CPPFLAGS += -DREALMODE_BASE=0x7c0
  19 PLATFORM_CPPFLAGS += -march=i386 -m32
  20
  21 # Support generic board on x86
  22 __HAVE_ARCH_GENERIC_BOARD := y
  23
  24 PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
  25
  26 PLATFORM_LDFLAGS += --emit-relocs -Bsymbolic -Bsymbolic-functions -m elf_i386
  27
  28 LDFLAGS_FINAL += --gc-sections -pie
  29 LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3
  30 LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3
  31
  32 export NORMAL_LIBGCC = $(shell $(CC) $(PLATFORM_CPPFLAGS) -print-libgcc-file-name)
  33 CONFIG_USE_PRIVATE_LIBGCC := arch/x86/lib