forked from Minki/linux
a78c942df6
While not a port to KVM (yet), this change modifies the kernel to be able to build either at PL1 or at PL2 with a suitable config switch. Pushing up this change avoids handling branch merge issues going forward with the KVM work. Signed-off-by: Chris Metcalf <cmetcalf@tilera.com>
70 lines
2.1 KiB
Makefile
70 lines
2.1 KiB
Makefile
#
|
|
# This file is subject to the terms and conditions of the GNU General Public
|
|
# License. See the file "COPYING" in the main directory of this archive
|
|
# for more details.
|
|
#
|
|
# This file is included by the global makefile so that you can add your own
|
|
# architecture-specific flags and dependencies. Remember to do have actions
|
|
# for "archclean" and "archdep" for cleaning up and making dependencies for
|
|
# this architecture
|
|
|
|
# If building with TILERA_ROOT set (i.e. using the Tilera Multicore
|
|
# Development Environment) we can set CROSS_COMPILE based on that.
|
|
# If we're not cross-compiling, make sure we're on the right architecture.
|
|
# Only bother to test for a few common targets, to avoid useless errors.
|
|
ifeq ($(CROSS_COMPILE),)
|
|
ifdef TILERA_ROOT
|
|
CROSS_COMPILE := $(TILERA_ROOT)/bin/tile-
|
|
else
|
|
goals := $(if $(MAKECMDGOALS), $(MAKECMDGOALS), all)
|
|
ifneq ($(strip $(filter vmlinux modules all,$(goals))),)
|
|
HOST_ARCH := $(shell uname -m)
|
|
ifneq ($(HOST_ARCH),$(ARCH))
|
|
$(error Set TILERA_ROOT or CROSS_COMPILE when building $(ARCH) on $(HOST_ARCH))
|
|
endif
|
|
endif
|
|
endif
|
|
endif
|
|
|
|
ifneq ($(CONFIG_DEBUG_EXTRA_FLAGS),"")
|
|
KBUILD_CFLAGS += $(CONFIG_DEBUG_EXTRA_FLAGS)
|
|
endif
|
|
|
|
LIBGCC_PATH := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
|
|
|
|
# Provide the path to use for "make defconfig".
|
|
KBUILD_DEFCONFIG := $(ARCH)_defconfig
|
|
|
|
# Used as a file extension when useful, e.g. head_$(BITS).o
|
|
# Not needed for (e.g.) "$(CC) -m32" since the compiler automatically
|
|
# uses the right default anyway.
|
|
export BITS
|
|
ifeq ($(CONFIG_TILEGX),y)
|
|
BITS := 64
|
|
else
|
|
BITS := 32
|
|
endif
|
|
|
|
head-y := arch/tile/kernel/head_$(BITS).o
|
|
|
|
libs-y += arch/tile/lib/
|
|
libs-y += $(LIBGCC_PATH)
|
|
|
|
# See arch/tile/Kbuild for content of core part of the kernel
|
|
core-y += arch/tile/
|
|
|
|
core-$(CONFIG_KVM) += arch/tile/kvm/
|
|
|
|
ifdef TILERA_ROOT
|
|
INSTALL_PATH ?= $(TILERA_ROOT)/tile/boot
|
|
endif
|
|
|
|
install:
|
|
install -D -m 755 vmlinux $(INSTALL_PATH)/vmlinux-$(KERNELRELEASE)
|
|
install -D -m 644 .config $(INSTALL_PATH)/config-$(KERNELRELEASE)
|
|
install -D -m 644 System.map $(INSTALL_PATH)/System.map-$(KERNELRELEASE)
|
|
|
|
define archhelp
|
|
echo ' install - install kernel into $(INSTALL_PATH)'
|
|
endef
|