1core-y += arch/x86/crypto
 2
 3ifeq ($(CONFIG_X86_32),y)
 4START := 0x8048000
 5
 6LDFLAGS			+= -m elf_i386
 7ELF_ARCH		:= i386
 8ELF_FORMAT 		:= elf32-i386
 9CHECKFLAGS	+= -D__i386__
10
11KBUILD_CFLAGS		+= $(call cc-option,-m32)
12KBUILD_AFLAGS		+= $(call cc-option,-m32)
13LINK-y			+= $(call cc-option,-m32)
14
15export LDFLAGS
16
17LDS_EXTRA		:= -Ui386
18export LDS_EXTRA
19
20# First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
21include $(srctree)/arch/x86/Makefile_32.cpu
22
23# prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
24cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
25
26# Prevent sprintf in nfsd from being converted to strcpy and resulting in
27# an unresolved reference.
28cflags-y += -ffreestanding
29
30# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
31# a lot more stack due to the lack of sharing of stacklots.  Also, gcc
32# 4.3.0 needs -funit-at-a-time for extern inline functions.
33KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
34			echo $(call cc-option,-fno-unit-at-a-time); \
35			else echo $(call cc-option,-funit-at-a-time); fi ;)
36
37KBUILD_CFLAGS += $(cflags-y)
38
39else
40
41START := 0x60000000
42
43KBUILD_CFLAGS += -fno-builtin -m64 
44
45CHECKFLAGS  += -m64 -D__x86_64__
46KBUILD_AFLAGS += -m64
47LDFLAGS += -m elf_x86_64
48KBUILD_CPPFLAGS += -m64
49
50ELF_ARCH := i386:x86-64
51ELF_FORMAT := elf64-x86-64
52
53# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
54
55LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
56LINK-y += -m64
57
58# Do unit-at-a-time unconditionally on x86_64, following the host
59KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
60endif

 1# SPDX-License-Identifier: GPL-2.0
 2core-y += arch/x86/crypto
 3
 4ifeq ($(CONFIG_X86_32),y)
 5START := 0x8048000
 6
 7LDFLAGS			+= -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
16export LDFLAGS
17
18LDS_EXTRA		:= -Ui386
19export LDS_EXTRA
20
21# First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
22include arch/x86/Makefile_32.cpu
23
24# prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
25cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
26
27# Prevent sprintf in nfsd from being converted to strcpy and resulting in
28# an unresolved reference.
29cflags-y += -ffreestanding
30
31# Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
32# a lot more stack due to the lack of sharing of stacklots.  Also, gcc
33# 4.3.0 needs -funit-at-a-time for extern inline functions.
34KBUILD_CFLAGS += $(shell if [ $(cc-version) -lt 0400 ] ; then \
35			echo $(call cc-option,-fno-unit-at-a-time); \
36			else echo $(call cc-option,-funit-at-a-time); fi ;)
37
38KBUILD_CFLAGS += $(cflags-y)
39
40else
41
42START := 0x60000000
43
44KBUILD_CFLAGS += -fno-builtin -m64 
45
46CHECKFLAGS  += -m64 -D__x86_64__
47KBUILD_AFLAGS += -m64
48LDFLAGS += -m elf_x86_64
49KBUILD_CPPFLAGS += -m64
50
51ELF_ARCH := i386:x86-64
52ELF_FORMAT := elf64-x86-64
53
54# Not on all 64-bit distros /lib is a symlink to /lib64. PLD is an example.
55
56LINK-$(CONFIG_LD_SCRIPT_DYN) += -Wl,-rpath,/lib64
57LINK-y += -m64
58
59# Do unit-at-a-time unconditionally on x86_64, following the host
60KBUILD_CFLAGS += $(call cc-option,-funit-at-a-time)
61endif