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1 # BK Id: %F% %I% %G% %U% %#%
2 #
3 # This file is included by the global makefile so that you can add your own
4 # architecture-specific flags and dependencies. Remember to do have actions
5 # for "archclean" and "archdep" for cleaning up and making dependencies for
6 # this architecture
7 #
8 # This file is subject to the terms and conditions of the GNU General Public
9 # License. See the file "COPYING" in the main directory of this archive
10 # for more details.
11 #
12 # Copyright (C) 1994 by Linus Torvalds
13 # Modifications for the OpenRISC architecture:
14 # Copyright (C) 2003 Matjaz Breskvar <phoenix@bsemi.com>
15 # Copyright (C) 2010-2011 Jonas Bonn <jonas@southpole.se>
16 #
17 # Based on:
18 # arch/i386/Makefile
19
20 KBUILD_DEFCONFIG := or1ksim_defconfig
21
22 LDFLAGS :=
23 OBJCOPYFLAGS := -O binary -R .note -R .comment -S
24 LDFLAGS_vmlinux :=
25 LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
26
27 KBUILD_CFLAGS += -pipe -ffixed-r10 -D__linux__
28
29 ifeq ($(CONFIG_OPENRISC_HAVE_INST_MUL),y)
30 KBUILD_CFLAGS += $(call cc-option,-mhard-mul)
31 else
32 KBUILD_CFLAGS += $(call cc-option,-msoft-mul)
33 endif
34
35 ifeq ($(CONFIG_OPENRISC_HAVE_INST_DIV),y)
36 KBUILD_CFLAGS += $(call cc-option,-mhard-div)
37 else
38 KBUILD_CFLAGS += $(call cc-option,-msoft-div)
39 endif
40
41 head-y := arch/openrisc/kernel/head.o
42
43 core-y += arch/openrisc/lib/ \
44 arch/openrisc/kernel/ \
45 arch/openrisc/mm/
46 libs-y += $(LIBGCC)
47
48 ifneq '$(CONFIG_OPENRISC_BUILTIN_DTB)' '""'
49 BUILTIN_DTB := y
50 else
51 BUILTIN_DTB := n
52 endif
53 core-$(BUILTIN_DTB) += arch/openrisc/boot/dts/
54
55 all: vmlinux