1b2441318SGreg Kroah-Hartman# SPDX-License-Identifier: GPL-2.0 25c48b108SAl Virocore-y += arch/x86/crypto/ 35c48b108SAl Viro 488498186SDavid Gow# 588498186SDavid Gow# Disable SSE and other FP/SIMD instructions to match normal x86 6*a3046a61SDavid Gow# This is required to work around issues in older LLVM versions, but breaks 7*a3046a61SDavid Gow# GCC versions < 11. See: 8*a3046a61SDavid Gow# https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99652 988498186SDavid Gow# 10*a3046a61SDavid Gowifeq ($(CONFIG_CC_IS_CLANG),y) 1188498186SDavid GowKBUILD_CFLAGS += -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx 1288498186SDavid GowKBUILD_RUSTFLAGS += -Ctarget-feature=-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-avx,-avx2 13*a3046a61SDavid Gowendif 1488498186SDavid Gow 155c48b108SAl Viroifeq ($(CONFIG_X86_32),y) 165c48b108SAl ViroSTART := 0x8048000 175c48b108SAl Viro 18d503ac53SMasahiro YamadaKBUILD_LDFLAGS += -m elf_i386 195c48b108SAl ViroELF_ARCH := i386 205c48b108SAl ViroELF_FORMAT := elf32-i386 215c48b108SAl ViroCHECKFLAGS += -D__i386__ 225c48b108SAl Viro 235c48b108SAl ViroKBUILD_CFLAGS += $(call cc-option,-m32) 245c48b108SAl ViroKBUILD_AFLAGS += $(call cc-option,-m32) 255c48b108SAl ViroLINK-y += $(call cc-option,-m32) 265c48b108SAl Viro 273cb42092SAl ViroLDS_EXTRA := -Ui386 283cb42092SAl Viroexport LDS_EXTRA 293cb42092SAl Viro 305c48b108SAl Viro# First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y. 3167d7c302SMasahiro Yamadainclude $(srctree)/arch/x86/Makefile_32.cpu 325c48b108SAl Viro 335c48b108SAl Viro# prevent gcc from keeping the stack 16 byte aligned. Taken from i386. 345c48b108SAl Virocflags-y += $(call cc-option,-mpreferred-stack-boundary=2) 355c48b108SAl Viro 365c48b108SAl Viro# Prevent sprintf in nfsd from being converted to strcpy and resulting in 375c48b108SAl Viro# an unresolved reference. 385c48b108SAl Virocflags-y += -ffreestanding 395c48b108SAl Viro 405c48b108SAl ViroKBUILD_CFLAGS += $(cflags-y) 415c48b108SAl Viro 425c48b108SAl Viroelse 435c48b108SAl Viro 445c48b108SAl ViroSTART := 0x60000000 455c48b108SAl Viro 465c48b108SAl ViroKBUILD_CFLAGS += -fno-builtin -m64 475c48b108SAl Viro 485c48b108SAl ViroCHECKFLAGS += -m64 -D__x86_64__ 495c48b108SAl ViroKBUILD_AFLAGS += -m64 50d503ac53SMasahiro YamadaKBUILD_LDFLAGS += -m elf_x86_64 515c48b108SAl ViroKBUILD_CPPFLAGS += -m64 525c48b108SAl Viro 535c48b108SAl ViroELF_ARCH := i386:x86-64 545c48b108SAl ViroELF_FORMAT := elf64-x86-64 555c48b108SAl Viro 565c48b108SAl Viro# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example. 575c48b108SAl Viro 58386093c6SJohannes BergLINK-$(CONFIG_LD_SCRIPT_DYN_RPATH) += -Wl,-rpath,/lib64 595c48b108SAl ViroLINK-y += -m64 605c48b108SAl Viro 615c48b108SAl Viroendif 62