Commit | Line | Data |
---|---|---|
b2441318 | 1 | # SPDX-License-Identifier: GPL-2.0 |
5c48b108 | 2 | core-y += arch/x86/crypto/ |
1da177e4 | 3 | |
88498186 DG |
4 | # |
5 | # Disable SSE and other FP/SIMD instructions to match normal x86 | |
a3046a61 DG |
6 | # This is required to work around issues in older LLVM versions, but breaks |
7 | # GCC versions < 11. See: | |
8 | # https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99652 | |
88498186 | 9 | # |
a3046a61 | 10 | ifeq ($(CONFIG_CC_IS_CLANG),y) |
88498186 DG |
11 | KBUILD_CFLAGS += -mno-sse -mno-mmx -mno-sse2 -mno-3dnow -mno-avx |
12 | KBUILD_RUSTFLAGS += -Ctarget-feature=-sse,-sse2,-sse3,-ssse3,-sse4.1,-sse4.2,-avx,-avx2 | |
a3046a61 | 13 | endif |
88498186 | 14 | |
7bbe7204 | 15 | ifeq ($(CONFIG_X86_32),y) |
42fda663 | 16 | START := 0x8048000 |
1da177e4 | 17 | |
d503ac53 | 18 | KBUILD_LDFLAGS += -m elf_i386 |
a6e77d6c AV |
19 | ELF_ARCH := i386 |
20 | ELF_FORMAT := elf32-i386 | |
ca5cd877 | 21 | CHECKFLAGS += -D__i386__ |
20d00213 | 22 | |
a0f97e06 | 23 | KBUILD_CFLAGS += $(call cc-option,-m32) |
222d394d | 24 | KBUILD_AFLAGS += $(call cc-option,-m32) |
20d00213 | 25 | LINK-y += $(call cc-option,-m32) |
20d00213 | 26 | |
3cb42092 AV |
27 | LDS_EXTRA := -Ui386 |
28 | export LDS_EXTRA | |
29 | ||
96d55b88 | 30 | # First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y. |
67d7c302 | 31 | include $(srctree)/arch/x86/Makefile_32.cpu |
96d55b88 PBG |
32 | |
33 | # prevent gcc from keeping the stack 16 byte aligned. Taken from i386. | |
34 | cflags-y += $(call cc-option,-mpreferred-stack-boundary=2) | |
35 | ||
fec468b0 JD |
36 | # Prevent sprintf in nfsd from being converted to strcpy and resulting in |
37 | # an unresolved reference. | |
38 | cflags-y += -ffreestanding | |
39 | ||
a0f97e06 | 40 | KBUILD_CFLAGS += $(cflags-y) |
7bbe7204 AV |
41 | |
42 | else | |
43 | ||
44 | START := 0x60000000 | |
45 | ||
46 | KBUILD_CFLAGS += -fno-builtin -m64 | |
47 | ||
48 | CHECKFLAGS += -m64 -D__x86_64__ | |
49 | KBUILD_AFLAGS += -m64 | |
d503ac53 | 50 | KBUILD_LDFLAGS += -m elf_x86_64 |
7bbe7204 AV |
51 | KBUILD_CPPFLAGS += -m64 |
52 | ||
53 | ELF_ARCH := i386:x86-64 | |
54 | ELF_FORMAT := elf64-x86-64 | |
55 | ||
56 | # Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example. | |
57 | ||
386093c6 | 58 | LINK-$(CONFIG_LD_SCRIPT_DYN_RPATH) += -Wl,-rpath,/lib64 |
7bbe7204 AV |
59 | LINK-y += -m64 |
60 | ||
7bbe7204 | 61 | endif |