1# SPDX-License-Identifier: GPL-2.0
2core-y += arch/x86/crypto/
3
4ifeq ($(CONFIG_X86_32),y)
5START := 0x8048000
6
7KBUILD_LDFLAGS		+= -m elf_i386
8ELF_ARCH		:= i386
9ELF_FORMAT 		:= elf32-i386
10CHECKFLAGS	+= -D__i386__
11
12KBUILD_CFLAGS		+= $(call cc-option,-m32)
13KBUILD_AFLAGS		+= $(call cc-option,-m32)
14LINK-y			+= $(call cc-option,-m32)
15
16LDS_EXTRA		:= -Ui386
17export LDS_EXTRA
18
19# First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
20include arch/x86/Makefile_32.cpu
21
22# prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
23cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
24
25# Prevent sprintf in nfsd from being converted to strcpy and resulting in
26# an unresolved reference.
27cflags-y += -ffreestanding
28
29KBUILD_CFLAGS += $(cflags-y)
30
31else
32
33START := 0x60000000
34
35KBUILD_CFLAGS += -fno-builtin -m64
36
37CHECKFLAGS  += -m64 -D__x86_64__
38KBUILD_AFLAGS += -m64
39KBUILD_LDFLAGS += -m elf_x86_64
40KBUILD_CPPFLAGS += -m64
41
42ELF_ARCH := i386:x86-64
43ELF_FORMAT := elf64-x86-64
44
45# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
46
47LINK-$(CONFIG_LD_SCRIPT_DYN_RPATH) += -Wl,-rpath,/lib64
48LINK-y += -m64
49
50endif
51