990857042f
Enable building all dtb files when CONFIG_OF_ALL_DTBS is enabled. The dtbs are not really dependent on a platform being enabled or any other kernel config, so for testing coverage it is convenient to build all of the dtbs. This builds all dts files in the tree, not just targets listed. Signed-off-by: Rob Herring <robh@kernel.org> Cc: Chris Zankel <chris@zankel.net> Cc: Max Filippov <jcmvbkbc@gmail.com> Cc: linux-xtensa@linux-xtensa.org
111 lines
2.9 KiB
Makefile
111 lines
2.9 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.
|
|
#
|
|
# Copyright (C) 2001 - 2005 Tensilica Inc.
|
|
# Copyright (C) 2014 Cadence Design Systems Inc.
|
|
#
|
|
# 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
|
|
|
|
# Core configuration.
|
|
# (Use VAR=<xtensa_config> to use another default compiler.)
|
|
|
|
variant-y := $(patsubst "%",%,$(CONFIG_XTENSA_VARIANT_NAME))
|
|
|
|
VARIANT = $(variant-y)
|
|
export VARIANT
|
|
|
|
# Test for cross compiling
|
|
|
|
ifneq ($(VARIANT),)
|
|
COMPILE_ARCH = $(shell uname -m)
|
|
|
|
ifneq ($(COMPILE_ARCH), xtensa)
|
|
ifndef CROSS_COMPILE
|
|
CROSS_COMPILE = xtensa_$(VARIANT)-
|
|
endif
|
|
endif
|
|
endif
|
|
|
|
# Platform configuration
|
|
|
|
platform-$(CONFIG_XTENSA_PLATFORM_XT2000) := xt2000
|
|
platform-$(CONFIG_XTENSA_PLATFORM_ISS) := iss
|
|
platform-$(CONFIG_XTENSA_PLATFORM_XTFPGA) := xtfpga
|
|
|
|
PLATFORM = $(platform-y)
|
|
export PLATFORM
|
|
|
|
# temporarily until string.h is fixed
|
|
KBUILD_CFLAGS += -ffreestanding -D__linux__
|
|
|
|
KBUILD_CFLAGS += -pipe -mlongcalls
|
|
|
|
KBUILD_CFLAGS += $(call cc-option,-mforce-no-pic,)
|
|
|
|
ifneq ($(CONFIG_LD_NO_RELAX),)
|
|
LDFLAGS := --no-relax
|
|
endif
|
|
|
|
ifeq ($(shell echo __XTENSA_EB__ | $(CC) -E - | grep -v "\#"),1)
|
|
CHECKFLAGS += -D__XTENSA_EB__
|
|
endif
|
|
ifeq ($(shell echo __XTENSA_EL__ | $(CC) -E - | grep -v "\#"),1)
|
|
CHECKFLAGS += -D__XTENSA_EL__
|
|
endif
|
|
|
|
vardirs := $(patsubst %,arch/xtensa/variants/%/,$(variant-y))
|
|
plfdirs := $(patsubst %,arch/xtensa/platforms/%/,$(platform-y))
|
|
|
|
ifeq ($(KBUILD_SRC),)
|
|
KBUILD_CPPFLAGS += $(patsubst %,-I%include,$(vardirs) $(plfdirs))
|
|
else
|
|
KBUILD_CPPFLAGS += $(patsubst %,-I$(srctree)/%include,$(vardirs) $(plfdirs))
|
|
endif
|
|
|
|
KBUILD_DEFCONFIG := iss_defconfig
|
|
|
|
# Only build variant and/or platform if it includes a Makefile
|
|
|
|
buildvar := $(shell test -e $(srctree)/arch/xtensa/variants/$(VARIANT)/Makefile && echo arch/xtensa/variants/$(VARIANT)/)
|
|
buildplf := $(shell test -e $(srctree)/arch/xtensa/platforms/$(PLATFORM)/Makefile && echo arch/xtensa/platforms/$(PLATFORM)/)
|
|
|
|
# Find libgcc.a
|
|
|
|
LIBGCC := $(shell $(CC) $(KBUILD_CFLAGS) -print-libgcc-file-name)
|
|
|
|
head-y := arch/xtensa/kernel/head.o
|
|
core-y += arch/xtensa/kernel/ arch/xtensa/mm/
|
|
core-y += $(buildvar) $(buildplf)
|
|
|
|
libs-y += arch/xtensa/lib/ $(LIBGCC)
|
|
drivers-$(CONFIG_OPROFILE) += arch/xtensa/oprofile/
|
|
|
|
ifneq ($(CONFIG_BUILTIN_DTB),"")
|
|
core-$(CONFIG_OF) += arch/xtensa/boot/dts/
|
|
endif
|
|
|
|
boot := arch/xtensa/boot
|
|
|
|
all: zImage
|
|
|
|
bzImage : zImage
|
|
|
|
zImage: vmlinux
|
|
$(Q)$(MAKE) $(build)=$(boot) $@
|
|
|
|
%.dtb:
|
|
$(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
|
|
|
|
dtbs: scripts
|
|
$(Q)$(MAKE) $(build)=$(boot)/dts
|
|
|
|
define archhelp
|
|
@echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
|
|
@echo ' dtbs - Build device tree blobs for enabled boards'
|
|
endef
|