projects/linux·blob master · refs

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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.
5#
6# This file is subject to the terms and conditions of the GNU General Public
7# License. See the file "COPYING" in the main directory of this archive
8# for more details.
9#
10# Copyright (C) 1994 by Linus Torvalds
11# Modifications for the OpenRISC architecture:
12# Copyright (C) 2003 Matjaz Breskvar <[email protected]>
13# Copyright (C) 2010-2011 Jonas Bonn <[email protected]>
14#
15# Based on:
16# arch/i386/Makefile
17
18KBUILD_DEFCONFIG := or1ksim_defconfig
19
20OBJCOPYFLAGS := -O binary -R .note -R .comment -S
21LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
22
23KBUILD_CFLAGS += -pipe -ffixed-r10 -D__linux__
24KBUILD_CFLAGS += -msfimm -mshftimm
25
26all: vmlinux.bin
27
28boot := arch/$(ARCH)/boot
29
30ifeq ($(CONFIG_OPENRISC_HAVE_INST_MUL),y)
31 KBUILD_CFLAGS += $(call cc-option,-mhard-mul)
32else
33 KBUILD_CFLAGS += $(call cc-option,-msoft-mul)
34endif
35
36ifeq ($(CONFIG_OPENRISC_HAVE_INST_DIV),y)
37 KBUILD_CFLAGS += $(call cc-option,-mhard-div)
38else
39 KBUILD_CFLAGS += $(call cc-option,-msoft-div)
40endif
41
42ifeq ($(CONFIG_OPENRISC_HAVE_INST_CMOV),y)
43 KBUILD_CFLAGS += $(call cc-option,-mcmov)
44endif
45
46ifeq ($(CONFIG_OPENRISC_HAVE_INST_ROR),y)
47 KBUILD_CFLAGS += $(call cc-option,-mror)
48endif
49
50ifeq ($(CONFIG_OPENRISC_HAVE_INST_RORI),y)
51 KBUILD_CFLAGS += $(call cc-option,-mrori)
52endif
53
54ifeq ($(CONFIG_OPENRISC_HAVE_INST_SEXT),y)
55 KBUILD_CFLAGS += $(call cc-option,-msext)
56endif
57
58libs-y += $(LIBGCC)
59
60PHONY += vmlinux.bin
61
62vmlinux.bin: vmlinux
63 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@