AcoSail/kernel_optimize_test
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Merge branch 'all-dtbs' into dt/next

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This commit is contained in:
Rob Herring 2018-10-04 14:16:15 -05:00
commit 4355151de4
27 changed files with 102 additions and 195 deletions
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37
Makefile
View File

@ -1071,7 +1071,7 @@ include/config/kernel.release: $(srctree)/Makefile FORCE
# Carefully list dependencies so we do not try to build scripts twice
# in parallel
PHONY += scripts
scripts: scripts_basic asm-generic gcc-plugins $(autoksyms_h)
scripts: scripts_basic scripts_dtc asm-generic gcc-plugins $(autoksyms_h)
$(Q)$(MAKE) $(build)=$(@)
# Things we need to do before we recursively start building the kernel
@ -1215,6 +1215,35 @@ kselftest-merge:
$(srctree)/tools/testing/selftests/*/config
+$(Q)$(MAKE) -f $(srctree)/Makefile olddefconfig
# ---------------------------------------------------------------------------
# Devicetree files
ifneq ($(wildcard $(srctree)/arch/$(SRCARCH)/boot/dts/),)
dtstree := arch/$(SRCARCH)/boot/dts
endif
ifneq ($(dtstree),)
%.dtb: prepare3 scripts_dtc
$(Q)$(MAKE) $(build)=$(dtstree) $(dtstree)/$@
PHONY += dtbs dtbs_install
dtbs: prepare3 scripts_dtc
$(Q)$(MAKE) $(build)=$(dtstree)
dtbs_install:
$(Q)$(MAKE) $(dtbinst)=$(dtstree)
ifdef CONFIG_OF_EARLY_FLATTREE
all: dtbs
endif
endif
PHONY += scripts_dtc
scripts_dtc: scripts_basic
$(Q)$(MAKE) $(build)=scripts/dtc
# ---------------------------------------------------------------------------
# Modules
@ -1424,6 +1453,12 @@ help:
@echo ' kselftest-merge - Merge all the config dependencies of kselftest to existing'
@echo ' .config.'
@echo ''
@$(if $(dtstree), \
echo 'Devicetree:'; \
echo '* dtbs - Build device tree blobs for enabled boards'; \
echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'; \
echo '')
@echo 'Userspace tools targets:'
@echo ' use "make tools/help"'
@echo ' or "cd tools; make help"'

6
arch/arc/Makefile
View File

@ -132,11 +132,5 @@ boot_targets += uImage uImage.bin uImage.gz
$(boot_targets): vmlinux
$(Q)$(MAKE) $(build)=$(boot) $(boot)/$@
%.dtb %.dtb.S %.dtb.o: scripts
$(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
dtbs: scripts
$(Q)$(MAKE) $(build)=$(boot)/dts
archclean:
$(Q)$(MAKE) $(clean)=$(boot)

20
arch/arm/Makefile
View File

@ -307,12 +307,7 @@ else
KBUILD_IMAGE := $(boot)/zImage
endif
# Build the DT binary blobs if we have OF configured
ifeq ($(CONFIG_USE_OF),y)
KBUILD_DTBS := dtbs
endif
all: $(notdir $(KBUILD_IMAGE)) $(KBUILD_DTBS)
all: $(notdir $(KBUILD_IMAGE))
archheaders:
@ -339,17 +334,6 @@ $(BOOT_TARGETS): vmlinux
$(INSTALL_TARGETS):
$(Q)$(MAKE) $(build)=$(boot) MACHINE=$(MACHINE) $@
%.dtb: | scripts
$(Q)$(MAKE) $(build)=$(boot)/dts MACHINE=$(MACHINE) $(boot)/dts/$@
PHONY += dtbs dtbs_install
dtbs: prepare scripts
$(Q)$(MAKE) $(build)=$(boot)/dts
dtbs_install:
$(Q)$(MAKE) $(dtbinst)=$(boot)/dts
PHONY += vdso_install
vdso_install:
ifeq ($(CONFIG_VDSO),y)
@ -371,8 +355,6 @@ define archhelp
echo ' uImage - U-Boot wrapped zImage'
echo ' bootpImage - Combined zImage and initial RAM disk'
echo ' (supply initrd image via make variable INITRD=<path>)'
echo '* dtbs - Build device tree blobs for enabled boards'
echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
echo ' install - Install uncompressed kernel'
echo ' zinstall - Install compressed kernel'
echo ' uinstall - Install U-Boot wrapped compressed kernel'

17
arch/arm64/Makefile
View File

@ -113,9 +113,8 @@ core-$(CONFIG_EFI_STUB) += $(objtree)/drivers/firmware/efi/libstub/lib.a
# Default target when executing plain make
boot := arch/arm64/boot
KBUILD_IMAGE := $(boot)/Image.gz
KBUILD_DTBS := dtbs
all: Image.gz $(KBUILD_DTBS)
all: Image.gz
Image: vmlinux
@ -127,17 +126,6 @@ Image.%: Image
zinstall install:
$(Q)$(MAKE) $(build)=$(boot) $@
%.dtb: scripts
$(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
PHONY += dtbs dtbs_install
dtbs: prepare scripts
$(Q)$(MAKE) $(build)=$(boot)/dts
dtbs_install:
$(Q)$(MAKE) $(dtbinst)=$(boot)/dts
PHONY += vdso_install
vdso_install:
$(Q)$(MAKE) $(build)=arch/arm64/kernel/vdso $@
@ -145,7 +133,6 @@ vdso_install:
# We use MRPROPER_FILES and CLEAN_FILES now
archclean:
$(Q)$(MAKE) $(clean)=$(boot)
$(Q)$(MAKE) $(clean)=$(boot)/dts
# We need to generate vdso-offsets.h before compiling certain files in kernel/.
# In order to do that, we should use the archprepare target, but we can't since
@ -160,8 +147,6 @@ vdso_prepare: prepare0
define archhelp
echo '* Image.gz - Compressed kernel image (arch/$(ARCH)/boot/Image.gz)'
echo ' Image - Uncompressed kernel image (arch/$(ARCH)/boot/Image)'
echo '* dtbs - Build device tree blobs for enabled boards'
echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
echo ' install - Install uncompressed kernel'
echo ' zinstall - Install compressed kernel'
echo ' Install using (your) ~/bin/installkernel or'

2
arch/c6x/Makefile
View File

@ -40,9 +40,7 @@ boot := arch/$(ARCH)/boot
DTB:=$(subst dtbImage.,,$(filter dtbImage.%, $(MAKECMDGOALS)))
export DTB
ifneq ($(DTB),)
core-y += $(boot)/dts/
endif
# With make 3.82 we cannot mix normal and wildcard targets

17
arch/c6x/boot/dts/Makefile
View File

@ -5,15 +5,12 @@
DTC_FLAGS ?= -p 1024
dtb-$(CONFIG_SOC_TMS320C6455) += dsk6455.dtb
dtb-$(CONFIG_SOC_TMS320C6457) += evmc6457.dtb
dtb-$(CONFIG_SOC_TMS320C6472) += evmc6472.dtb
dtb-$(CONFIG_SOC_TMS320C6474) += evmc6474.dtb
dtb-$(CONFIG_SOC_TMS320C6678) += evmc6678.dtb
ifneq ($(DTB),)
obj-y += linked_dtb.o
obj-y += $(DTB).dtb.o
endif
quiet_cmd_cp = CP $< $@$2
cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)
# Generate builtin.dtb from $(DTB).dtb
$(obj)/builtin.dtb: $(obj)/$(DTB).dtb
$(call if_changed,cp)
$(obj)/linked_dtb.o: $(obj)/builtin.dtb

2
arch/c6x/boot/dts/linked_dtb.S
View File

@ -1,2 +0,0 @@
.section __fdt_blob,"a"
.incbin "arch/c6x/boot/dts/builtin.dtb"

1
arch/c6x/include/asm/sections.h
View File

@ -8,6 +8,5 @@ extern char _vectors_start[];
extern char _vectors_end[];
extern char _data_lma[];
extern char _fdt_start[], _fdt_end[];
#endif /* _ASM_C6X_SECTIONS_H */

4
arch/c6x/kernel/setup.c
View File

@ -265,7 +265,7 @@ int __init c6x_add_memory(phys_addr_t start, unsigned long size)
notrace void __init machine_init(unsigned long dt_ptr)
{
void *dtb = __va(dt_ptr);
void *fdt = _fdt_start;
void *fdt = __dtb_start;
/* interrupts must be masked */
set_creg(IER, 2);
@ -358,7 +358,7 @@ void __init setup_arch(char **cmdline_p)
memory_end >> PAGE_SHIFT);
memblock_reserve(memory_start, bootmap_size);
unflatten_device_tree();
unflatten_and_copy_device_tree();
c6x_cache_init();

10
arch/c6x/kernel/vmlinux.lds.S
View File

@ -90,16 +90,6 @@ SECTIONS
*(.switch)
}
. = ALIGN (8) ;
__fdt_blob : AT(ADDR(__fdt_blob) - LOAD_OFFSET)
{
_fdt_start = . ; /* place for fdt blob */
*(__fdt_blob) ; /* Any link-placed DTB */
BYTE(0); /* section always has contents */
. = _fdt_start + 0x4000; /* Pad up to 16kbyte */
_fdt_end = . ;
}
_etext = .;
/*

11
arch/h8300/Makefile
View File

@ -31,21 +31,12 @@ CROSS_COMPILE := h8300-unknown-linux-
endif
core-y += arch/$(ARCH)/kernel/ arch/$(ARCH)/mm/
ifneq '$(CONFIG_H8300_BUILTIN_DTB)' '""'
core-y += arch/h8300/boot/dts/
endif
core-y += arch/$(ARCH)/boot/dts/
libs-y += arch/$(ARCH)/lib/
boot := arch/h8300/boot
%.dtb %.dtb.S %.dtb.o: | scripts
$(Q)$(MAKE) $(build)=arch/h8300/boot/dts arch/h8300/boot/dts/$@
PHONY += dtbs
dtbs: scripts
$(Q)$(MAKE) $(build)=arch/h8300/boot/dts
archmrproper:
archclean:

4
arch/microblaze/Makefile
View File

@ -65,9 +65,7 @@ boot := arch/microblaze/boot
# Are we making a simpleImage.<boardname> target? If so, crack out the boardname
DTB:=$(subst simpleImage.,,$(filter simpleImage.%, $(MAKECMDGOALS)))
ifneq ($(DTB),)
core-y += $(boot)/dts/
endif
core-y += $(boot)/dts/
# defines filename extension depending memory management type
ifeq ($(CONFIG_MMU),)

4
arch/microblaze/boot/dts/Makefile
View File

@ -1,6 +1,9 @@
# SPDX-License-Identifier: GPL-2.0
#
dtb-y := system.dtb
ifneq ($(DTB),)
obj-y += linked_dtb.o
# Ensure system.dtb exists
@ -11,6 +14,7 @@ ifneq ($(DTB),system)
$(obj)/system.dtb: $(obj)/$(DTB).dtb
$(call if_changed,cp)
endif
endif
quiet_cmd_cp = CP $< $@$2
cmd_cp = cat $< >$@$2 || (rm -f $@ && echo false)

15
arch/mips/Makefile
View File

@ -407,18 +407,7 @@ endif
CLEAN_FILES += vmlinux.32 vmlinux.64
# device-trees
core-$(CONFIG_BUILTIN_DTB) += arch/mips/boot/dts/
%.dtb %.dtb.S %.dtb.o: | scripts
$(Q)$(MAKE) $(build)=arch/mips/boot/dts arch/mips/boot/dts/$@
PHONY += dtbs
dtbs: scripts
$(Q)$(MAKE) $(build)=arch/mips/boot/dts
PHONY += dtbs_install
dtbs_install:
$(Q)$(MAKE) $(dtbinst)=arch/mips/boot/dts
core-y += arch/mips/boot/dts/
archprepare:
ifdef CONFIG_MIPS32_N32
@ -461,8 +450,6 @@ define archhelp
echo ' uImage.lzma - U-Boot image (lzma)'
echo ' uImage.lzo - U-Boot image (lzo)'
echo ' uzImage.bin - U-Boot image (self-extracting)'
echo ' dtbs - Device-tree blobs for enabled boards'
echo ' dtbs_install - Install dtbs to $(INSTALL_DTBS_PATH)'
echo
echo ' These will be default as appropriate for a configured platform.'
echo

2
arch/nds32/Makefile
View File

@ -43,7 +43,7 @@ CHECKFLAGS += -D__NDS32_EB__
endif
boot := arch/nds32/boot
core-$(BUILTIN_DTB) += $(boot)/dts/
core-y += $(boot)/dts/
.PHONY: FORCE

11
arch/nios2/Makefile
View File

@ -49,21 +49,13 @@ BOOT_TARGETS = vmImage zImage
PHONY += $(BOOT_TARGETS) install
KBUILD_IMAGE := $(nios2-boot)/vmImage
ifneq ($(CONFIG_NIOS2_DTB_SOURCE),"")
core-y += $(nios2-boot)/
endif
core-y += $(nios2-boot)/dts/
all: vmImage
archclean:
$(Q)$(MAKE) $(clean)=$(nios2-boot)
%.dtb: | scripts
$(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
dtbs:
$(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
$(BOOT_TARGETS): vmlinux
$(Q)$(MAKE) $(build)=$(nios2-boot) $(nios2-boot)/$@
@ -76,5 +68,4 @@ define archhelp
echo ' (your) ~/bin/$(INSTALLKERNEL) or'
echo ' (distribution) /sbin/$(INSTALLKERNEL) or'
echo ' install to $$(INSTALL_PATH)'
echo ' dtbs - Build device tree blobs for enabled boards'
endef

22
arch/nios2/boot/Makefile
View File

@ -31,27 +31,5 @@ $(obj)/zImage: $(obj)/compressed/vmlinux FORCE
$(obj)/compressed/vmlinux: $(obj)/vmlinux.gz FORCE
$(Q)$(MAKE) $(build)=$(obj)/compressed $@
# Rule to build device tree blobs
DTB_SRC := $(patsubst "%",%,$(CONFIG_NIOS2_DTB_SOURCE))
# Make sure the generated dtb gets removed during clean
extra-$(CONFIG_NIOS2_DTB_SOURCE_BOOL) += system.dtb
$(obj)/system.dtb: $(DTB_SRC) FORCE
$(call cmd,dtc)
# Ensure system.dtb exists
$(obj)/linked_dtb.o: $(obj)/system.dtb
obj-$(CONFIG_NIOS2_DTB_SOURCE_BOOL) += linked_dtb.o
targets += $(dtb-y)
# Rule to build device tree blobs with make command
$(obj)/%.dtb: $(src)/dts/%.dts FORCE
$(call if_changed_dep,dtc)
$(obj)/dtbs: $(addprefix $(obj)/, $(dtb-y))
install:
sh $(srctree)/$(src)/install.sh $(KERNELRELEASE) $(BOOTIMAGE) System.map "$(INSTALL_PATH)"

6
arch/nios2/boot/dts/Makefile Normal file
View File

@ -0,0 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
obj-y := $(patsubst "%.dts",%.dtb.o,$(CONFIG_NIOS2_DTB_SOURCE))
dtstree := $(srctree)/$(src)
dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

19
arch/nios2/boot/linked_dtb.S
View File

@ -1,19 +0,0 @@
/*
* Copyright (C) 2011 Thomas Chou <thomas@wytron.com.tw>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
*/
.section .dtb.init.rodata,"a"
.incbin "arch/nios2/boot/system.dtb"

3
arch/powerpc/Makefile
View File

@ -293,9 +293,6 @@ $(BOOT_TARGETS2): vmlinux
bootwrapper_install:
$(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
%.dtb: scripts
$(Q)$(MAKE) $(build)=$(boot) $(patsubst %,$(boot)/%,$@)
# Used to create 'merged defconfigs'
# To use it $(call) it with the first argument as the base defconfig
# and the second argument as a space separated list of .config files to merge,

55
arch/powerpc/boot/Makefile
View File

@ -304,9 +304,9 @@ image-$(CONFIG_PPC_ADDER875) += cuImage.adder875-uboot \
dtbImage.adder875-redboot
# Board ports in arch/powerpc/platform/52xx/Kconfig
image-$(CONFIG_PPC_LITE5200) += cuImage.lite5200 lite5200.dtb
image-$(CONFIG_PPC_LITE5200) += cuImage.lite5200b lite5200b.dtb
image-$(CONFIG_PPC_MEDIA5200) += cuImage.media5200 media5200.dtb
image-$(CONFIG_PPC_LITE5200) += cuImage.lite5200
image-$(CONFIG_PPC_LITE5200) += cuImage.lite5200b
image-$(CONFIG_PPC_MEDIA5200) += cuImage.media5200
# Board ports in arch/powerpc/platform/82xx/Kconfig
image-$(CONFIG_MPC8272_ADS) += cuImage.mpc8272ads
@ -381,11 +381,11 @@ $(addprefix $(obj)/, $(sort $(filter zImage.%, $(image-y)))): vmlinux $(wrapperb
$(call if_changed,wrap,$(subst $(obj)/zImage.,,$@))
# dtbImage% - a dtbImage is a zImage with an embedded device tree blob
$(obj)/dtbImage.initrd.%: vmlinux $(wrapperbits) $(obj)/%.dtb FORCE
$(call if_changed,wrap,$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz)
$(obj)/dtbImage.initrd.%: vmlinux $(wrapperbits) $(obj)/dts/%.dtb FORCE
$(call if_changed,wrap,$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
$(obj)/dtbImage.%: vmlinux $(wrapperbits) $(obj)/%.dtb FORCE
$(call if_changed,wrap,$*,,$(obj)/$*.dtb)
$(obj)/dtbImage.%: vmlinux $(wrapperbits) $(obj)/dts/%.dtb FORCE
$(call if_changed,wrap,$*,,$(obj)/dts/$*.dtb)
# This cannot be in the root of $(src) as the zImage rule always adds a $(obj)
# prefix
@ -395,36 +395,33 @@ $(obj)/vmlinux.strip: vmlinux
$(obj)/uImage: vmlinux $(wrapperbits) FORCE
$(call if_changed,wrap,uboot)
$(obj)/uImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,uboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz)
$(obj)/uImage.initrd.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,uboot-$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
$(obj)/uImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,uboot-$*,,$(obj)/$*.dtb)
$(obj)/uImage.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,uboot-$*,,$(obj)/dts/$*.dtb)
$(obj)/cuImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,cuboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz)
$(obj)/cuImage.initrd.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,cuboot-$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
$(obj)/cuImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,cuboot-$*,,$(obj)/$*.dtb)
$(obj)/cuImage.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,cuboot-$*,,$(obj)/dts/$*.dtb)
$(obj)/simpleImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,simpleboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz)
$(obj)/simpleImage.initrd.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,simpleboot-$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
$(obj)/simpleImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,simpleboot-$*,,$(obj)/$*.dtb)
$(obj)/simpleImage.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,simpleboot-$*,,$(obj)/dts/$*.dtb)
$(obj)/treeImage.initrd.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,treeboot-$*,,$(obj)/$*.dtb,$(obj)/ramdisk.image.gz)
$(obj)/treeImage.initrd.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,treeboot-$*,,$(obj)/dts/$*.dtb,$(obj)/ramdisk.image.gz)
$(obj)/treeImage.%: vmlinux $(obj)/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,treeboot-$*,,$(obj)/$*.dtb)
$(obj)/treeImage.%: vmlinux $(obj)/dts/%.dtb $(wrapperbits) FORCE
$(call if_changed,wrap,treeboot-$*,,$(obj)/dts/$*.dtb)
# Rule to build device tree blobs
$(obj)/%.dtb: $(src)/dts/%.dts FORCE
$(call if_changed_dep,dtc)
$(obj)/%.dtb: $(src)/dts/fsl/%.dts FORCE
$(call if_changed_dep,dtc)
# Needed for the above targets to work with dts/fsl/ files
$(obj)/dts/%.dtb: $(obj)/dts/fsl/%.dtb
@cp $< $@
# If there isn't a platform selected then just strip the vmlinux.
ifeq (,$(image-y))

6
arch/powerpc/boot/dts/Makefile Normal file
View File

@ -0,0 +1,6 @@
# SPDX-License-Identifier: GPL-2.0
subdir-y += fsl
dtstree := $(srctree)/$(src)
dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

4
arch/powerpc/boot/dts/fsl/Makefile Normal file
View File

@ -0,0 +1,4 @@
# SPDX-License-Identifier: GPL-2.0
dtstree := $(srctree)/$(src)
dtb-$(CONFIG_OF_ALL_DTBS) := $(patsubst $(dtstree)/%.dts,%.dtb, $(wildcard $(dtstree)/*.dts))

12
arch/xtensa/Makefile
View File

@ -84,28 +84,18 @@ 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)
core-y += arch/xtensa/boot/dts/
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 Image zImage uImage: vmlinux
$(Q)$(MAKE) $(build)=$(boot) $@
%.dtb:
$(Q)$(MAKE) $(build)=$(boot)/dts $(boot)/dts/$@
dtbs: scripts
$(Q)$(MAKE) $(build)=$(boot)/dts
define archhelp
@echo '* Image - Kernel ELF image with reset vector'
@echo '* zImage - Compressed kernel image (arch/xtensa/boot/images/zImage.*)'
@echo '* uImage - U-Boot wrapped image'
@echo ' dtbs - Build device tree blobs for enabled boards'
endef

3
scripts/Makefile
View File

@ -39,8 +39,7 @@ build_unifdef: $(obj)/unifdef
subdir-$(CONFIG_MODVERSIONS) += genksyms
subdir-y += mod
subdir-$(CONFIG_SECURITY_SELINUX) += selinux
subdir-$(CONFIG_DTC) += dtc
subdir-$(CONFIG_GDB_SCRIPTS) += gdb
# Let clean descend into subdirs
subdir- += basic kconfig package gcc-plugins
subdir- += basic dtc kconfig package gcc-plugins

2
scripts/Makefile.lib
View File

@ -283,7 +283,7 @@ $(obj)/%.dtb.S: $(obj)/%.dtb FORCE
quiet_cmd_dtc = DTC $@
cmd_dtc = mkdir -p $(dir ${dtc-tmp}) ; \
$(CPP) $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
$(HOSTCC) -E $(dtc_cpp_flags) -x assembler-with-cpp -o $(dtc-tmp) $< ; \
$(DTC) -O dtb -o $@ -b 0 \
$(addprefix -i,$(dir $<) $(DTC_INCLUDE)) $(DTC_FLAGS) \
-d $(depfile).dtc.tmp $(dtc-tmp) ; \

2
scripts/dtc/Makefile
View File

@ -1,7 +1,7 @@
# SPDX-License-Identifier: GPL-2.0
# scripts/dtc makefile
hostprogs-y := dtc
hostprogs-$(CONFIG_DTC) := dtc
always := $(hostprogs-y)
dtc-objs := dtc.o flattree.o fstree.o data.o livetree.o treesource.o \