# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
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#
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# (C) COPYRIGHT 2021 ARM Limited. All rights reserved.
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#
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# This program is free software and is provided to you under the terms of the
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# GNU General Public License version 2 as published by the Free Software
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# Foundation, and any use by you of this program is subject to the terms
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# of such GNU license.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, you can access it online at
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# http://www.gnu.org/licenses/gpl-2.0.html.
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#
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#
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#
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# Paths
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#
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KERNEL_SRC ?= /lib/modules/$(shell uname -r)/build
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KDIR ?= $(KERNEL_SRC)
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ifeq ($(KDIR),)
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$(error Must specify KDIR to point to the kernel to target))
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endif
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vars :=
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#
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# Default configuration values
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#
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CONFIG_MALI_BASE_MODULES ?= n
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ifeq ($(CONFIG_MALI_BASE_MODULES),y)
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CONFIG_MALI_CSF_SUPPORT ?= n
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ifneq ($(CONFIG_DMA_SHARED_BUFFER),n)
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CONFIG_DMA_SHARED_BUFFER_TEST_EXPORTER ?= y
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else
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# Prevent misuse when CONFIG_DMA_SHARED_BUFFER=n
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CONFIG_DMA_SHARED_BUFFER_TEST_EXPORTER = n
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endif
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CONFIG_MALI_MEMORY_GROUP_MANAGER ?= y
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ifneq ($(CONFIG_MALI_CSF_SUPPORT), n)
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CONFIG_MALI_PROTECTED_MEMORY_ALLOCATOR ?= y
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endif
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else
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# Prevent misuse when CONFIG_MALI_BASE_MODULES=n
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CONFIG_DMA_SHARED_BUFFER_TEST_EXPORTER = n
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CONFIG_MALI_MEMORY_GROUP_MANAGER = n
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CONFIG_MALI_PROTECTED_MEMORY_ALLOCATOR = n
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endif
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CONFIGS := \
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CONFIG_MALI_BASE_MODULES \
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CONFIG_MALI_CSF_SUPPORT \
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CONFIG_DMA_SHARED_BUFFER_TEST_EXPORTER \
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CONFIG_MALI_MEMORY_GROUP_MANAGER \
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CONFIG_MALI_PROTECTED_MEMORY_ALLOCATOR
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#
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# MAKE_ARGS to pass the custom CONFIGs on out-of-tree build
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#
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# Generate the list of CONFIGs and values.
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# $(value config) is the name of the CONFIG option.
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# $(value $(value config)) is its value (y, m).
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# When the CONFIG is not set to y or m, it defaults to n.
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MAKE_ARGS := $(foreach config,$(CONFIGS), \
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$(if $(filter y m,$(value $(value config))), \
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$(value config)=$(value $(value config)), \
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$(value config)=n))
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#
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# EXTRA_CFLAGS to define the custom CONFIGs on out-of-tree build
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#
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# Generate the list of CONFIGs defines with values from CONFIGS.
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# $(value config) is the name of the CONFIG option.
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# When set to y or m, the CONFIG gets defined to 1.
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EXTRA_CFLAGS := $(foreach config,$(CONFIGS), \
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$(if $(filter y m,$(value $(value config))), \
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-D$(value config)=1))
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all:
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$(MAKE) -C $(KDIR) M=$(CURDIR) $(MAKE_ARGS) EXTRA_CFLAGS="$(EXTRA_CFLAGS)" KBUILD_EXTRA_SYMBOLS="$(EXTRA_SYMBOLS)" modules
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modules_install:
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$(MAKE) -C $(KDIR) M=$(CURDIR) $(MAKE_ARGS) modules_install
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clean:
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$(MAKE) -C $(KDIR) M=$(CURDIR) $(MAKE_ARGS) clean
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