Merge branch 'tracing/mmiotrace' into auto-ftrace-next
[platform/adaptation/renesas_rcar/renesas_kernel.git] / arch / um / Makefile-i386
1 core-y += arch/um/sys-i386/ arch/x86/crypto/
2
3 TOP_ADDR := $(CONFIG_TOP_ADDR)
4
5 START := 0x8048000
6
7 LDFLAGS                 += -m elf_i386
8 ELF_ARCH                := $(SUBARCH)
9 ELF_FORMAT              := elf32-$(SUBARCH)
10 OBJCOPYFLAGS            := -O binary -R .note -R .comment -S
11 HEADER_ARCH             := x86
12 CHECKFLAGS      += -D__i386__
13
14 ifeq ("$(origin SUBARCH)", "command line")
15 ifneq ("$(shell uname -m | sed -e s/i.86/i386/)", "$(SUBARCH)")
16 KBUILD_CFLAGS           += $(call cc-option,-m32)
17 KBUILD_AFLAGS           += $(call cc-option,-m32)
18 LINK-y                  += $(call cc-option,-m32)
19 UML_OBJCOPYFLAGS        += -F $(ELF_FORMAT)
20
21 export LDFLAGS HOSTCFLAGS HOSTLDFLAGS UML_OBJCOPYFLAGS
22 endif
23 endif
24
25 # First of all, tune CFLAGS for the specific CPU. This actually sets cflags-y.
26 include $(srctree)/arch/x86/Makefile_32.cpu
27
28 # prevent gcc from keeping the stack 16 byte aligned. Taken from i386.
29 cflags-y += $(call cc-option,-mpreferred-stack-boundary=2)
30
31 # Prevent sprintf in nfsd from being converted to strcpy and resulting in
32 # an unresolved reference.
33 cflags-y += -ffreestanding
34
35 # Disable unit-at-a-time mode on pre-gcc-4.0 compilers, it makes gcc use
36 # a lot more stack due to the lack of sharing of stacklots.  Also, gcc
37 # 4.3.0 needs -funit-at-a-time for extern inline functions.
38 KBUILD_CFLAGS += $(shell if [ $(call cc-version) -lt 0400 ] ; then \
39                         echo $(call cc-option,-fno-unit-at-a-time); \
40                         else echo $(call cc-option,-funit-at-a-time); fi ;)
41
42 KBUILD_CFLAGS += $(cflags-y)