Merge git://git.denx.de/u-boot-sunxi

[people/ms/u-boot.git] / arch / x86 / config.mk

diff --git a/arch/x86/config.mk b/arch/x86/config.mk
index 334c10b882d156751475f70eef9fd4b5ad201881..472ada549073dadf4bce66dec40fe1cc9ab6fd18 100644 (file)
--- a/arch/x86/config.mk
+++ b/arch/x86/config.mk
@@ -10,19 +10,29 @@ CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000
 PLATFORM_CPPFLAGS += -fno-strict-aliasing
 PLATFORM_CPPFLAGS += -fomit-frame-pointer
 PF_CPPFLAGS_X86   := $(call cc-option, -fno-toplevel-reorder, \
-                      $(call cc-option, -fno-unit-at-a-time)) \
-                    $(call cc-option, -mpreferred-stack-boundary=2)
+                    $(call cc-option, -fno-unit-at-a-time))
 
 PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86)
 PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm
+
+ifdef CONFIG_SPL_BUILD
+IS_32BIT := y
+else
+ifndef CONFIG_X86_64
+IS_32BIT := y
+endif
+endif
+
+ifeq ($(IS_32BIT),y)
 PLATFORM_CPPFLAGS += -march=i386 -m32
+else
+PLATFORM_CPPFLAGS += $(if $(CONFIG_SPL_BUILD),,-fpic) -fno-common -m64
+endif
 
 PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
 
-PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions -m elf_i386
-
-LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3
-LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3
+PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions
+PLATFORM_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64)
 
 # This is used in the top-level Makefile which does not include
 # PLATFORM_LDFLAGS
@@ -31,17 +41,29 @@ 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
 
+ifeq ($(IS_32BIT),y)
 CFLAGS_NON_EFI := -mregparm=3
+endif
 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
+LDSCRIPT_EFI := $(srctree)/arch/x86/lib/elf_$(EFIARCH)_efi.lds
+EFISTUB := crt0_$(EFIARCH)_efi.o reloc_$(EFIARCH)_efi.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)
@@ -52,6 +74,32 @@ else
 
 PLATFORM_CPPFLAGS += $(CFLAGS_NON_EFI)
 PLATFORM_LDFLAGS += --emit-relocs
-LDFLAGS_FINAL += --gc-sections -pie
+LDFLAGS_FINAL += --gc-sections $(if $(CONFIG_SPL_BUILD),,-pie)
+
+endif
+
+ifdef CONFIG_X86_64
+ifndef CONFIG_SPL_BUILD
+PLATFORM_CPPFLAGS += -D__x86_64__
+else
+PLATFORM_CPPFLAGS += -D__I386__
+endif
+else
+PLATFORM_CPPFLAGS += -D__I386__
+endif
+
+ifneq ($(CONFIG_EFI_STUB)$(CONFIG_CMD_BOOTEFI_HELLO_COMPILE),)
+
+ifneq ($(CONFIG_EFI_STUB_64BIT),)
+EFI_LDS := elf_x86_64_efi.lds
+EFI_CRT0 := crt0_x86_64_efi.o
+EFI_RELOC := reloc_x86_64_efi.o
+EFI_TARGET := --target=efi-app-ia32
+else
+EFI_LDS := elf_ia32_efi.lds
+EFI_CRT0 := crt0_ia32_efi.o
+EFI_RELOC := reloc_ia32_efi.o
+EFI_TARGET := --target=efi-app-x86_64
+endif
 
 endif