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 $(HOST_ARCH))
24 endif
25 endif
26 endif
27endif
28
29ifneq ($(CONFIG_DEBUG_EXTRA_FLAGS),"")
30KBUILD_CFLAGS += $(CONFIG_DEBUG_EXTRA_FLAGS)
31endif
32
33LIBGCC_PATH := \
34 $(shell $(CC) $(KBUILD_CFLAGS) $(KCFLAGS) -print-libgcc-file-name)
35
36# Provide the path to use for "make defconfig".
37KBUILD_DEFCONFIG := $(ARCH)_defconfig
38
39# Used as a file extension when useful, e.g. head_$(BITS).o
40# Not needed for (e.g.) "$(CC) -m32" since the compiler automatically
41# uses the right default anyway.
42export BITS
43ifeq ($(CONFIG_TILEGX),y)
44BITS := 64
45else
46BITS := 32
47endif
48
49head-y := arch/tile/kernel/head_$(BITS).o
50
51libs-y += arch/tile/lib/
52libs-y += $(LIBGCC_PATH)
53
54# See arch/tile/Kbuild for content of core part of the kernel
55core-y += arch/tile/
56
57ifdef TILERA_ROOT
58INSTALL_PATH ?= $(TILERA_ROOT)/tile/boot
59endif
60
61install:
62 install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
63 install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
64 install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
65
66define archhelp
67 echo ' install - install kernel into $(INSTALL_PATH)'
68endef