| core-y += arch/x86/crypto/ |
| |
| ifeq ($(CONFIG_X86_32),y) |
| START := 0x8048000 |
| |
| LDFLAGS += -m elf_i386 |
| ELF_ARCH := i386 |
| ELF_FORMAT := elf32-i386 |
| CHECKFLAGS += -D__i386__ |
| |
| ifeq ("$(origin SUBARCH)", "command line") |
| ifneq ("$(shell uname -m | sed -e s/i.86/i386/)", "$(SUBARCH)") |
| KBUILD_CFLAGS += $(call cc-option,-m32) |
| KBUILD_AFLAGS += $(call cc-option,-m32) |
| LINK-y += $(call cc-option,-m32) |
| |
| export LDFLAGS |
| endif |
| endif |
| |
| # First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y. |
| include $(srctree)/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 [ $(call 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 |