X-Git-Url: https://git.librecmc.org/?a=blobdiff_plain;f=arch%2Fx86%2Fconfig.mk;h=d7addd872866a7e752ae2be4856157fe5bd9242c;hb=80cd58b99e8690b05e8537dbf76276e24fcfa652;hp=b22959f54b74c8d13ab3a44d8d6a50e3fb4dda3a;hpb=5b9c79a81db80c3f9e50c77477957cd803429af8;p=oweals%2Fu-boot.git diff --git a/arch/x86/config.mk b/arch/x86/config.mk index b22959f54b..d7addd8728 100644 --- a/arch/x86/config.mk +++ b/arch/x86/config.mk @@ -8,30 +8,60 @@ CONFIG_STANDALONE_LOAD_ADDR ?= 0x40000 PLATFORM_CPPFLAGS += -fno-strict-aliasing -PLATFORM_CPPFLAGS += -Wstrict-prototypes -PLATFORM_CPPFLAGS += -mregparm=3 PLATFORM_CPPFLAGS += -fomit-frame-pointer -PF_CPPFLAGS_X86 := $(call cc-option, -ffreestanding) \ - $(call cc-option, -fno-toplevel-reorder, \ +PF_CPPFLAGS_X86 := $(call cc-option, -fno-toplevel-reorder, \ $(call cc-option, -fno-unit-at-a-time)) \ - $(call cc-option, -fno-stack-protector) \ $(call cc-option, -mpreferred-stack-boundary=2) + PLATFORM_CPPFLAGS += $(PF_CPPFLAGS_X86) PLATFORM_CPPFLAGS += -fno-dwarf2-cfi-asm -PLATFORM_CPPFLAGS += -DREALMODE_BASE=0x7c0 - -# Support generic board on x86 -__HAVE_ARCH_GENERIC_BOARD := y +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 += --gc-sections -pie LDFLAGS_FINAL += --wrap=__divdi3 --wrap=__udivdi3 LDFLAGS_FINAL += --wrap=__moddi3 --wrap=__umoddi3 -NORMAL_LIBGCC = $(shell $(CC) $(CFLAGS) -print-libgcc-file-name) -PREFIXED_LIBGCC = $(OBJTREE)/arch/$(ARCH)/lib/$(shell basename $(NORMAL_LIBGCC)) +# This is used in the top-level Makefile which does not include +# PLATFORM_LDFLAGS +LDFLAGS_EFI_PAYLOAD := -Bsymbolic -Bsymbolic-functions -shared --no-undefined + +OBJCOPYFLAGS_EFI := -j .text -j .sdata -j .data -j .dynamic -j .dynsym \ + -j .rel -j .rela -j .reloc + +CFLAGS_NON_EFI := -mregparm=3 +CFLAGS_EFI := -fpic -fshort-wchar + +ifeq ($(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 += $(CFLAGS_NON_EFI) +PLATFORM_LDFLAGS += --emit-relocs +LDFLAGS_FINAL += --gc-sections -pie -export USE_PRIVATE_LIBGCC=$(shell dirname $(PREFIXED_LIBGCC)) +endif