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https://github.com/thead-yocto-mirror/gpu_bxm_4_64-kernel
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101 lines
4.4 KiB
Makefile
101 lines
4.4 KiB
Makefile
########################################################################### ###
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#@Title Root kernel makefile
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#@Copyright Copyright (c) Imagination Technologies Ltd. All Rights Reserved
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#@License Dual MIT/GPLv2
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#
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# The contents of this file are subject to the MIT license as set out below.
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#
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# Permission is hereby granted, free of charge, to any person obtaining a copy
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# of this software and associated documentation files (the "Software"), to deal
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# in the Software without restriction, including without limitation the rights
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# to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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# copies of the Software, and to permit persons to whom the Software is
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# furnished to do so, subject to the following conditions:
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#
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# The above copyright notice and this permission notice shall be included in
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# all copies or substantial portions of the Software.
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#
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# Alternatively, the contents of this file may be used under the terms of
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# the GNU General Public License Version 2 ("GPL") in which case the provisions
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# of GPL are applicable instead of those above.
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#
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# If you wish to allow use of your version of this file only under the terms of
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# GPL, and not to allow others to use your version of this file under the terms
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# of the MIT license, indicate your decision by deleting the provisions above
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# and replace them with the notice and other provisions required by GPL as set
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# out in the file called "GPL-COPYING" included in this distribution. If you do
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# not delete the provisions above, a recipient may use your version of this file
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# under the terms of either the MIT license or GPL.
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#
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# This License is also included in this distribution in the file called
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# "MIT-COPYING".
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#
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# EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
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# PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
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# BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
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# PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
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# COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
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# IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
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# CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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### ###########################################################################
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# This top-level kbuild makefile builds all the Linux kernel modules in the
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# DDK. To run kbuild, this makefile is copied to $(TARGET_PRIMARY_OUT)/kbuild/Makefile
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# and make is invoked in $(TARGET_PRIMARY_OUT)/kbuild.
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# This makefile doesn't define any kbuild special variables apart from
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# ccflags-y and obj-m. The variables for objects are picked up by including
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# the kbuild makefile fragments named in $(INTERNAL_KBUILD_MAKEFILES). The
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# list of objects that these fragments make is collected in
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# $(INTERNAL_KBUILD_OBJECTS) and $(INTERNAL_EXTRA_KBUILD_OBJECTS). These
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# variables are set according to the build's $(KERNEL_COMPONENTS) and
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# $(EXTRA_PVRSRVKM_COMPONENTS). To add a new kernel module to the build, edit
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# these variables in the per-build Makefile.
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include $(OUT)/config_kernel.mk
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.SECONDARY:
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define symlink-source-file
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@if [ ! -e $(dir $@) ]; then mkdir -p $(dir $@); fi
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@if [ ! -h $@ ]; then ln -sf $< $@; fi
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endef
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bridge_base := $(BRIDGE_SOURCE_ROOT)
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$(OUT)/$(TARGET_PRIMARY_ARCH)/kbuild/%.c: $(TOP)/%.c
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$(symlink-source-file)
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$(OUT)/$(TARGET_PRIMARY_ARCH)/kbuild/generated/$(PVR_ARCH)/%.c: $(bridge_base)/%.c
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$(symlink-source-file)
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$(OUT)/$(TARGET_PRIMARY_ARCH)/kbuild/external/%.c: $(abspath $(srctree))/%.c
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$(symlink-source-file)
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ccflags-y += -D__linux__ -include $(OUT)/config_kernel.h \
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-include kernel_config_compatibility.h \
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-I$(OUT)/include -I$(TOP)/kernel/drivers/staging/imgtec
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include $(INTERNAL_KBUILD_MAKEFILES)
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define add-file-cflags
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CFLAGS_$(notdir $(1)) := $(CFLAGS_$(1))
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endef
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# Define old style CFLAG_ variables for kernels older than 5.4
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$(foreach _m,$(INTERNAL_KBUILD_OBJECTS:.o=-y), \
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$(foreach _f,$($(_m)), \
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$(if $(CFLAGS_$(_f)), \
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$(eval $(call add-file-cflags,$(_f))))))
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ifneq ($(KERNEL_DRIVER_DIR),)
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ccflags-y += \
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-I$(abspath $(srctree))/$(KERNEL_DRIVER_DIR)/$(PVR_SYSTEM) \
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-I$(abspath $(srctree))/$(KERNEL_DRIVER_DIR)
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endif
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$(if $($(PVRSRVKM_NAME)-y),,$(warning $(PVRSRVKM_NAME)-y was empty, which could mean that srvkm is missing from $$(KERNEL_COMPONENTS)))
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$(PVRSRVKM_NAME)-y += $(foreach _m,$(INTERNAL_EXTRA_KBUILD_OBJECTS:.o=),$($(_m)-y))
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obj-m += $(INTERNAL_KBUILD_OBJECTS)
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