62 lines
1.5 KiB
Makefile
62 lines
1.5 KiB
Makefile
# SPDX-License-Identifier: GPL-2.0
|
|
core-y += arch/x86/crypto/
|
|
|
|
#
|
|
# Disable SSE and other FP/SIMD instructions to match normal x86
|
|
# This is required to work around issues in older LLVM versions, but breaks
|
|
# GCC versions < 11. See:
|
|
# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99652
|
|
#
|
|
ifeq ($(CONFIG_CC_IS_CLANG),y)
|
|
KBUILD_CFLAGS += -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx
|
|
KBUILD_RUSTFLAGS += -Ctarget-feature=-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-avx,-avx2
|
|
endif
|
|
|
|
ifeq ($(CONFIG_X86_32),y)
|
|
START := 0x8048000
|
|
|
|
KBUILD_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)
|
|
|
|
LDS_EXTRA := -Ui386
|
|
export LDS_EXTRA
|
|
|
|
# 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
|
|
|
|
KBUILD_CFLAGS += $(cflags-y)
|
|
|
|
else
|
|
|
|
START := 0x60000000
|
|
|
|
KBUILD_CFLAGS += -fno-builtin -m64
|
|
|
|
CHECKFLAGS += -m64 -D__x86_64__
|
|
KBUILD_AFLAGS += -m64
|
|
KBUILD_LDFLAGS += -m elf_x86_64
|
|
KBUILD_CPPFLAGS += -m64
|
|
|
|
ELF_ARCH := i386:x86-64
|
|
ELF_FORMAT := elf64-x86-64
|
|
|
|
# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
|
|
|
|
LINK-$(CONFIG_LD_SCRIPT_DYN_RPATH) += -Wl,-rpath,/lib64
|
|
LINK-y += -m64
|
|
|
|
endif
|