tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
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
20KBUILD_DEFCONFIG := or1ksim_defconfig
21
22OBJCOPYFLAGS := -O binary -R .note -R .comment -S
23LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
24
25KBUILD_CFLAGS += -pipe -ffixed-r10 -D__linux__
26
27all: vmlinux.bin
28
29boot := arch/$(ARCH)/boot
30
31ifeq ($(CONFIG_OPENRISC_HAVE_INST_MUL),y)
32 KBUILD_CFLAGS += $(call cc-option,-mhard-mul)
33else
34 KBUILD_CFLAGS += $(call cc-option,-msoft-mul)
35endif
36
37ifeq ($(CONFIG_OPENRISC_HAVE_INST_DIV),y)
38 KBUILD_CFLAGS += $(call cc-option,-mhard-div)
39else
40 KBUILD_CFLAGS += $(call cc-option,-msoft-div)
41endif
42
43head-y := arch/openrisc/kernel/head.o
44
45core-y += arch/openrisc/
46libs-y += $(LIBGCC)
47
48PHONY += vmlinux.bin
49
50vmlinux.bin: vmlinux
51 $(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
52
53archclean:
54 $(Q)$(MAKE) $(clean)=$(boot)