Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
tjh.dev
kernel
os
linux
1#
2# This file is subject to the terms and conditions of the GNU General Public
3# License. See the file "COPYING" in the main directory of this archive
4# for more details.
5#
6# This file is included by the global makefile so that you can add your own
7# architecture-specific flags and dependencies. Remember to do have actions
8# for "archclean" and "archdep" for cleaning up and making dependencies for
9# this architecture
10
11# If building with TILERA_ROOT set (i.e. using the Tilera Multicore
12# Development Environment) we can set CROSS_COMPILE based on that.
13# If we're not cross-compiling, make sure we're on the right architecture.
14# Only bother to test for a few common targets, to avoid useless errors.
15ifeq ($(CROSS_COMPILE),)
16 ifdef TILERA_ROOT
17 CROSS_COMPILE := $(TILERA_ROOT)/bin/tile-
18 else
19 goals := $(if $(MAKECMDGOALS), $(MAKECMDGOALS), all)
20 ifneq ($(strip $(filter vmlinux modules all,$(goals))),)
21 HOST_ARCH := $(shell uname -m)
22 ifneq ($(HOST_ARCH),$(ARCH))
23$(error Set TILERA_ROOT or CROSS_COMPILE when building $(ARCH) on $(HOST_ARCH))
24 endif
25 endif
26 endif
27endif
28
29
30KBUILD_CFLAGS += $(CONFIG_DEBUG_EXTRA_FLAGS)
31
32LIBGCC_PATH := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
33
34# Provide the path to use for "make defconfig".
35KBUILD_DEFCONFIG := $(ARCH)_defconfig
36
37# Used as a file extension when useful, e.g. head_$(BITS).o
38# Not needed for (e.g.) "$(CC) -m32" since the compiler automatically
39# uses the right default anyway.
40export BITS
41ifeq ($(CONFIG_TILEGX),y)
42BITS := 64
43else
44BITS := 32
45endif
46
47head-y := arch/tile/kernel/head_$(BITS).o
48
49libs-y += arch/tile/lib/
50libs-y += $(LIBGCC_PATH)
51
52
53# See arch/tile/Kbuild for content of core part of the kernel
54core-y += arch/tile/