| core-y += arch/x86/crypto/ | |
| ifeq ($(CONFIG_X86_32),y) | |
| START := 0x8048000 | |
| LDFLAGS += -m elf_i386 | |
| ELF_ARCH := i386 | |
| ELF_FORMAT := elf32-i386 | |
| CHECKFLAGS += -D__i386__ | |
| KBUILD_CFLAGS += $(call cc-option,-m32) | |
| KBUILD_AFLAGS += $(call cc-option,-m32) | |
| LINK-y += $(call cc-option,-m32) | |
| export LDFLAGS | |
| LDS_EXTRA := -Ui386 | |
| export LDS_EXTRA | |
| # First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y. | |
| include arch/x86/Makefile_32.cpu | |
| # prevent gcc from keeping the stack 16 byte aligned. Taken from i386. | |
| cflags-y += $(call cc-option,-mpreferred-stack-boundary=2) | |
| # Prevent sprintf in nfsd from being converted to strcpy and resulting in | |
| # an unresolved reference. | |
| cflags-y += -ffreestanding | |
| # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use | |
| # a lot more stack due to the lack of sharing of stacklots. Also, gcc | |
| # 4.3.0 needs -funit-at-a-time for extern inline functions. | |
| KBUILD_CFLAGS += $(shell if [ $(cc-version) -lt 0400 ] ; then \ | |
| echo $(call cc-option,-fno-unit-at-a-time); \ | |
| else echo $(call cc-option,-funit-at-a-time); fi ;) | |
| KBUILD_CFLAGS += $(cflags-y) | |
| else | |
| START := 0x60000000 | |
| KBUILD_CFLAGS += -fno-builtin -m64 | |
| CHECKFLAGS += -m64 -D__x86_64__ | |
| KBUILD_AFLAGS += -m64 | |
| LDFLAGS += -m elf_x86_64 | |
| KBUILD_CPPFLAGS += -m64 | |
| ELF_ARCH := i386:x86-64 | |
| ELF_FORMAT := elf64-x86-64 | |
| # Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example. | |
| LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64 | |
| LINK-y += -m64 | |
| # Do unit-at-a-time unconditionally on x86_64, following the host | |
| KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time) | |
| endif |