x86: Enable SSE in 64-bit mode

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

diff --git a/arch/x86/config.mk b/arch/x86/config.mk
index 74b87ceac54b646fa17bfd34b50b5cf3defb67a6..2e3a7119e798b2068d7df74711cb3eca3991eefd 100644 (file)
--- a/arch/x86/config.mk
+++ b/arch/x86/config.mk
@@ -1,17 +1,11 @@
+# SPDX-License-Identifier: GPL-2.0+
 #
 # (C) Copyright 2000-2002
 # Wolfgang Denk, DENX Software Engineering, wd@denx.de.
-#
-# SPDX-License-Identifier:     GPL-2.0+
-#
-
-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
@@ -24,34 +18,48 @@ IS_32BIT := y
 endif
 endif
 
+EFI_IS_32BIT := $(IS_32BIT)
+ifdef CONFIG_EFI_STUB_64BIT
+EFI_IS_32BIT :=
+endif
+
 ifeq ($(IS_32BIT),y)
 PLATFORM_CPPFLAGS += -march=i386 -m32
 else
-PLATFORM_CPPFLAGS += $(if $(CONFIG_SPL_BUILD),,-fpic) -fno-common
+PLATFORM_CPPFLAGS += $(if $(CONFIG_SPL_BUILD),,-fpic) -fno-common -march=core2 -m64
+
+ifndef CONFIG_X86_HARDFP
+PLATFORM_CPPFLAGS += -mno-mmx -mno-sse
 endif
 
-PLATFORM_RELFLAGS += -ffunction-sections -fvisibility=hidden
+endif # IS_32BIT
 
-PLATFORM_LDFLAGS += -Bsymbolic -Bsymbolic-functions
-PLATFORM_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64)
+PLATFORM_RELFLAGS += -fdata-sections -ffunction-sections -fvisibility=hidden
 
-LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3
-LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3
+KBUILD_LDFLAGS += -Bsymbolic -Bsymbolic-functions
+KBUILD_LDFLAGS += -m $(if $(IS_32BIT),elf_i386,elf_x86_64)
 
 # This is used in the top-level Makefile which does not include
-# PLATFORM_LDFLAGS
-LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined
+# KBUILD_LDFLAGS
+LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined \
+                      -s -zexecstack
 
 OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \
-       -j .rel -j .rela -j .reloc
+       -j .rel -j .rela -j .reloc --strip-all
 
-ifeq ($(IS_32BIT),y)
-CFLAGS_NON_EFI := -mregparm=3
-endif
+# Compiler flags to be added when building UEFI applications
 CFLAGS_EFI := -fpic -fshort-wchar
+# Compiler flags to be removed when building UEFI applications
+CFLAGS_NON_EFI := -mregparm=3 -fstack-protector-strong
 
-ifeq ($(CONFIG_EFI_STUB_64BIT),)
+ifeq ($(IS_32BIT),y)
+EFIPAYLOAD_BFDARCH = i386
+else
 CFLAGS_EFI += $(call cc-option, -mno-red-zone)
+EFIPAYLOAD_BFDARCH = x86_64
+endif
+
+ifeq ($(EFI_IS_32BIT),y)
 EFIARCH = ia32
 EFIPAYLOAD_BFDTARGET = elf32-i386
 else
@@ -59,8 +67,6 @@ EFIARCH = x86_64
 EFIPAYLOAD_BFDTARGET = elf64-x86-64
 endif
 
-EFIPAYLOAD_BFDARCH = i386
-
 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)
@@ -76,8 +82,10 @@ LDSCRIPT := $(LDSCRIPT_EFI)
 
 else
 
-PLATFORM_CPPFLAGS += $(CFLAGS_NON_EFI)
-PLATFORM_LDFLAGS += --emit-relocs
+ifeq ($(IS_32BIT),y)
+PLATFORM_CPPFLAGS += -mregparm=3
+endif
+KBUILD_LDFLAGS += --emit-relocs
 LDFLAGS_FINAL += --gc-sections $(if $(CONFIG_SPL_BUILD),,-pie)
 
 endif
@@ -92,18 +100,34 @@ else
 PLATFORM_CPPFLAGS += -D__I386__
 endif
 
-ifneq ($(CONFIG_EFI_STUB)$(CONFIG_CMD_BOOTEFI_HELLO_COMPILE),)
+ifdef CONFIG_EFI_STUB
 
-ifneq ($(CONFIG_EFI_STUB_64BIT),)
+ifdef 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
 
+else
+
+ifdef CONFIG_X86_64
+EFI_LDS := elf_x86_64_efi.lds
+EFI_CRT0 := crt0_x86_64_efi.o
+EFI_RELOC := reloc_x86_64_efi.o
+else
+EFI_LDS := elf_ia32_efi.lds
+EFI_CRT0 := crt0_ia32_efi.o
+EFI_RELOC := reloc_ia32_efi.o
+endif
+
+endif
+
+ifdef CONFIG_X86_64
+EFI_TARGET := --target=efi-app-x86_64
+else
+EFI_TARGET := --target=efi-app-ia32
 endif