bifrost/r44p0/kernel/drivers/gpu/arm/midgard/Makefile - manifest_repos/mali-driver - Git at Google

 # SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
 #
 # (C) COPYRIGHT 2010-2023 ARM Limited. All rights reserved.
 #
 # This program is free software and is provided to you under the terms of the
 # GNU General Public License version 2 as published by the Free Software
 # Foundation, and any use by you of this program is subject to the terms
 # of such GNU license.
 #
 # 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, you can access it online at
 # http://www.gnu.org/licenses/gpl-2.0.html.
 #
 #

 KERNEL_SRC ?= /lib/modules/$(shell uname -r)/build
 KDIR ?= $(KERNEL_SRC)

 ifeq ($(KDIR),)
     $(error Must specify KDIR to point to the kernel to target))
 endif

 #
 # Default configuration values
 #
 # Dependency resolution is done through statements as Kconfig
 # is not supported for out-of-tree builds.
 #

 CONFIG_MALI_MIDGARD ?= m
 ifeq ($(CONFIG_MALI_MIDGARD),m)
     CONFIG_MALI_PLATFORM_NAME ?= "devicetree"
     CONFIG_MALI_GATOR_SUPPORT ?= y
     CONFIG_MALI_ARBITRATION ?= n
     CONFIG_MALI_PARTITION_MANAGER ?= n

     ifneq ($(CONFIG_MALI_NO_MALI),y)
         # Prevent misuse when CONFIG_MALI_NO_MALI=y
         CONFIG_MALI_REAL_HW ?= y
         CONFIG_MALI_CORESIGHT = n
     endif

     ifeq ($(CONFIG_MALI_MIDGARD_DVFS),y)
         # Prevent misuse when CONFIG_MALI_MIDGARD_DVFS=y
         CONFIG_MALI_DEVFREQ ?= n
     else
         CONFIG_MALI_DEVFREQ ?= y
     endif

     ifeq ($(CONFIG_MALI_DMA_BUF_MAP_ON_DEMAND), y)
         # Prevent misuse when CONFIG_MALI_DMA_BUF_MAP_ON_DEMAND=y
         CONFIG_MALI_DMA_BUF_LEGACY_COMPAT = n
     endif

     ifeq ($(CONFIG_MALI_CSF_SUPPORT), y)
         CONFIG_MALI_CORESIGHT ?= n
     endif

     #
     # Expert/Debug/Test released configurations
     #
     ifeq ($(CONFIG_MALI_EXPERT), y)
         ifeq ($(CONFIG_MALI_NO_MALI), y)
             CONFIG_MALI_REAL_HW = n
             CONFIG_MALI_NO_MALI_DEFAULT_GPU ?= "tMIx"

         else
             # Prevent misuse when CONFIG_MALI_NO_MALI=n
             CONFIG_MALI_REAL_HW = y
             CONFIG_MALI_ERROR_INJECT = n
         endif


         ifeq ($(CONFIG_MALI_HW_ERRATA_1485982_NOT_AFFECTED), y)
             # Prevent misuse when CONFIG_MALI_HW_ERRATA_1485982_NOT_AFFECTED=y
             CONFIG_MALI_HW_ERRATA_1485982_USE_CLOCK_ALTERNATIVE = n
         endif

         ifeq ($(CONFIG_MALI_DEBUG), y)
             CONFIG_MALI_MIDGARD_ENABLE_TRACE ?= y
             CONFIG_MALI_SYSTEM_TRACE ?= y

             ifeq ($(CONFIG_SYNC_FILE), y)
                 CONFIG_MALI_FENCE_DEBUG ?= y
             else
                 CONFIG_MALI_FENCE_DEBUG = n
             endif
         else
             # Prevent misuse when CONFIG_MALI_DEBUG=n
             CONFIG_MALI_MIDGARD_ENABLE_TRACE = n
             CONFIG_MALI_SYSTEM_TRACE = n
             CONFIG_MALI_FENCE_DEBUG = n
         endif
     else
         # Prevent misuse when CONFIG_MALI_EXPERT=n
         CONFIG_MALI_CORESTACK = n
         CONFIG_LARGE_PAGE_ALLOC_OVERRIDE = n
         CONFIG_LARGE_PAGE_ALLOC = n
         CONFIG_MALI_PWRSOFT_765 = n
         CONFIG_MALI_MEMORY_FULLY_BACKED = n
         CONFIG_MALI_JOB_DUMP = n
         CONFIG_MALI_NO_MALI = n
         CONFIG_MALI_REAL_HW = y
         CONFIG_MALI_ERROR_INJECT = n
         CONFIG_MALI_HW_ERRATA_1485982_NOT_AFFECTED = n
         CONFIG_MALI_HW_ERRATA_1485982_USE_CLOCK_ALTERNATIVE = n
         CONFIG_MALI_PRFCNT_SET_SELECT_VIA_DEBUG_FS = n
         CONFIG_MALI_DEBUG = n
         CONFIG_MALI_MIDGARD_ENABLE_TRACE = n
         CONFIG_MALI_SYSTEM_TRACE = n
         CONFIG_MALI_FENCE_DEBUG = n
     endif

     ifeq ($(CONFIG_MALI_DEBUG), y)
         CONFIG_MALI_KUTF ?= y
         ifeq ($(CONFIG_MALI_KUTF), y)
             CONFIG_MALI_KUTF_IRQ_TEST ?= y
             CONFIG_MALI_KUTF_CLK_RATE_TRACE ?= y
             CONFIG_MALI_KUTF_MGM_INTEGRATION_TEST ?= y
         else
             # Prevent misuse when CONFIG_MALI_KUTF=n
             CONFIG_MALI_KUTF_IRQ_TEST = n
             CONFIG_MALI_KUTF_CLK_RATE_TRACE = n
             CONFIG_MALI_KUTF_MGM_INTEGRATION_TEST = n
         endif
     else
         # Prevent misuse when CONFIG_MALI_DEBUG=n
         CONFIG_MALI_KUTF = n
         CONFIG_MALI_KUTF_IRQ_TEST = n
         CONFIG_MALI_KUTF_CLK_RATE_TRACE = n
         CONFIG_MALI_KUTF_MGM_INTEGRATION_TEST = n
     endif
 else
     # Prevent misuse when CONFIG_MALI_MIDGARD=n
     CONFIG_MALI_ARBITRATION = n
     CONFIG_MALI_KUTF = n
     CONFIG_MALI_KUTF_IRQ_TEST = n
     CONFIG_MALI_KUTF_CLK_RATE_TRACE = n
     CONFIG_MALI_KUTF_MGM_INTEGRATION_TEST = n
 endif

 # All Mali CONFIG should be listed here
 CONFIGS := \
     CONFIG_MALI_MIDGARD \
     CONFIG_MALI_CSF_SUPPORT \
     CONFIG_MALI_GATOR_SUPPORT \
     CONFIG_MALI_ARBITER_SUPPORT \
     CONFIG_MALI_ARBITRATION \
     CONFIG_MALI_PARTITION_MANAGER \
     CONFIG_MALI_REAL_HW \
     CONFIG_MALI_DEVFREQ \
     CONFIG_MALI_MIDGARD_DVFS \
     CONFIG_MALI_DMA_BUF_MAP_ON_DEMAND \
     CONFIG_MALI_DMA_BUF_LEGACY_COMPAT \
     CONFIG_MALI_EXPERT \
     CONFIG_MALI_CORESTACK \
     CONFIG_LARGE_PAGE_ALLOC_OVERRIDE \
     CONFIG_LARGE_PAGE_ALLOC \
     CONFIG_MALI_PWRSOFT_765 \
     CONFIG_MALI_MEMORY_FULLY_BACKED \
     CONFIG_MALI_JOB_DUMP \
     CONFIG_MALI_NO_MALI \
     CONFIG_MALI_ERROR_INJECT \
     CONFIG_MALI_HW_ERRATA_1485982_NOT_AFFECTED \
     CONFIG_MALI_HW_ERRATA_1485982_USE_CLOCK_ALTERNATIVE \
     CONFIG_MALI_PRFCNT_SET_PRIMARY \
     CONFIG_MALI_PRFCNT_SET_SECONDARY \
     CONFIG_MALI_PRFCNT_SET_TERTIARY \
     CONFIG_MALI_PRFCNT_SET_SELECT_VIA_DEBUG_FS \
     CONFIG_MALI_DEBUG \
     CONFIG_MALI_MIDGARD_ENABLE_TRACE \
     CONFIG_MALI_SYSTEM_TRACE \
     CONFIG_MALI_FENCE_DEBUG \
     CONFIG_MALI_KUTF \
     CONFIG_MALI_KUTF_IRQ_TEST \
     CONFIG_MALI_KUTF_CLK_RATE_TRACE \
     CONFIG_MALI_KUTF_MGM_INTEGRATION_TEST \
     CONFIG_MALI_XEN \
     CONFIG_MALI_CORESIGHT


 THIS_DIR := $(dir $(lastword $(MAKEFILE_LIST)))
 -include $(THIS_DIR)/../arbitration/Makefile

 # MAKE_ARGS to pass the custom CONFIGs on out-of-tree build
 #
 # Generate the list of CONFIGs and values.
 # $(value config) is the name of the CONFIG option.
 # $(value $(value config)) is its value (y, m).
 # When the CONFIG is not set to y or m, it defaults to n.
 MAKE_ARGS := $(foreach config,$(CONFIGS), \
                     $(if $(filter y m,$(value $(value config))), \
                         $(value config)=$(value $(value config)), \
                         $(value config)=n))

 MAKE_ARGS += CONFIG_MALI_PLATFORM_NAME=$(CONFIG_MALI_PLATFORM_NAME)

 #
 # EXTRA_CFLAGS to define the custom CONFIGs on out-of-tree build
 #
 # Generate the list of CONFIGs defines with values from CONFIGS.
 # $(value config) is the name of the CONFIG option.
 # When set to y or m, the CONFIG gets defined to 1.
 EXTRA_CFLAGS := $(foreach config,$(CONFIGS), \
                     $(if $(filter y m,$(value $(value config))), \
                         -D$(value config)=1))

 EXTRA_CFLAGS += -DCONFIG_MALI_PLATFORM_NAME=$(CONFIG_MALI_PLATFORM_NAME)
 EXTRA_CFLAGS += -DCONFIG_MALI_NO_MALI_DEFAULT_GPU='\"$(CONFIG_MALI_NO_MALI_DEFAULT_GPU)\"'

 #
 # KBUILD_EXTRA_SYMBOLS to prevent warnings about unknown functions
 #


 KBUILD_CFLAGS += -Wall -Werror
 # The following were added to align with W=1 in scripts/Makefile.extrawarn
 # from the Linux source tree (v5.18.14)
 KBUILD_CFLAGS += -Wextra -Wunused -Wno-unused-parameter
 KBUILD_CFLAGS += -Wmissing-declarations
 KBUILD_CFLAGS += -Wmissing-format-attribute
 KBUILD_CFLAGS += -Wmissing-prototypes
 KBUILD_CFLAGS += -Wold-style-definition

 # An error will be reported when assign the rvalues to KBUILD_CFLAGS directly.
 # So the work-around scheme is adopted, that is: using temporary variables to
 # receive the following four rvalues, and then assigning them to KBUILD_CFLAGS.
 TEMPORARY_CFLAGS := $(call cc-option, -Wunused-but-set-variable)
 TEMPORARY_CFLAGS += $(call cc-option, -Wunused-const-variable)
 TEMPORARY_CFLAGS += $(call cc-option, -Wpacked-not-aligned)
 TEMPORARY_CFLAGS += $(call cc-option, -Wstringop-truncation)
 KBUILD_CFLAGS += $(TEMPORARY_CFLAGS)
 $(info $(KBUILD_CFLAGS))
 ifeq ($(TARGET_BUILD_KERNEL_VERSION),5.15)
 	# The following turn off the warnings enabled by -Wextra
 	KBUILD_CFLAGS += -Wno-sign-compare
 	KBUILD_CFLAGS += -Wno-shift-negative-value
 	KBUILD_CFLAGS += $(call cc-option, -Wno-cast-function-type)

 	KBUILD_CPPFLAGS += -DKBUILD_EXTRA_WARN1
 	# The following were added to align with W=2 in scripts/Makefile.extrawarn
 	# from the Linux source tree (v5.18.14)
 	KBUILD_CFLAGS += -Wdisabled-optimization
 	# The -Wshadow flag cannot be enabled unless upstream kernels are
 	# patched to fix redefinitions of certain built-in functions and
 	# global variables.
 	KBUILD_CFLAGS += $(call cc-option, -Wlogical-op)
 	KBUILD_CFLAGS += -Wmissing-field-initializers
 	# -Wtype-limits must be disabled due to build failures on kernel 5.x
 	KBUILD_CFLAGS += -Wno-type-limits
 	KBUILD_CFLAGS += $(call cc-option, -Wmaybe-uninitialized)
 	KBUILD_CFLAGS += $(call cc-option, -Wunused-macros)

 	KBUILD_CPPFLAGS += -DKBUILD_EXTRA_WARN2

 	# This warning is disabled to avoid build failures in some kernel versions
 	KBUILD_CFLAGS += -Wno-ignored-qualifiers
 endif

 ifeq ($(CONFIG_GCOV_KERNEL),y)
     KBUILD_CFLAGS += $(call cc-option, -ftest-coverage)
     KBUILD_CFLAGS += $(call cc-option, -fprofile-arcs)
     EXTRA_CFLAGS += -DGCOV_PROFILE=1
 endif

 ifeq ($(CONFIG_MALI_KCOV),y)
     KBUILD_CFLAGS += $(call cc-option, -fsanitize-coverage=trace-cmp)
     EXTRA_CFLAGS += -DKCOV=1
     EXTRA_CFLAGS += -DKCOV_ENABLE_COMPARISONS=1
 endif

 all:
 	$(MAKE) -C $(KDIR) M=$(CURDIR) $(MAKE_ARGS) EXTRA_CFLAGS="$(EXTRA_CFLAGS)" KBUILD_EXTRA_SYMBOLS="$(EXTRA_SYMBOLS)" modules

 modules_install:
 	$(MAKE) -C $(KDIR) M=$(CURDIR) $(MAKE_ARGS) modules_install

 clean:
 	$(MAKE) -C $(KDIR) M=$(CURDIR) $(MAKE_ARGS) clean
	# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
	#
	# (C) COPYRIGHT 2010-2023 ARM Limited. All rights reserved.
	#
	# This program is free software and is provided to you under the terms of the
	# GNU General Public License version 2 as published by the Free Software
	# Foundation, and any use by you of this program is subject to the terms
	# of such GNU license.
	#
	# 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, you can access it online at
	# http://www.gnu.org/licenses/gpl-2.0.html.
	#
	#

	KERNEL_SRC ?= /lib/modules/$(shell uname -r)/build
	KDIR ?= $(KERNEL_SRC)

	ifeq ($(KDIR),)
	$(error Must specify KDIR to point to the kernel to target))
	endif

	#
	# Default configuration values
	#
	# Dependency resolution is done through statements as Kconfig
	# is not supported for out-of-tree builds.
	#

	CONFIG_MALI_MIDGARD ?= m
	ifeq ($(CONFIG_MALI_MIDGARD),m)
	CONFIG_MALI_PLATFORM_NAME ?= "devicetree"
	CONFIG_MALI_GATOR_SUPPORT ?= y
	CONFIG_MALI_ARBITRATION ?= n
	CONFIG_MALI_PARTITION_MANAGER ?= n

	ifneq ($(CONFIG_MALI_NO_MALI),y)
	# Prevent misuse when CONFIG_MALI_NO_MALI=y
	CONFIG_MALI_REAL_HW ?= y
	CONFIG_MALI_CORESIGHT = n
	endif

	ifeq ($(CONFIG_MALI_MIDGARD_DVFS),y)
	# Prevent misuse when CONFIG_MALI_MIDGARD_DVFS=y
	CONFIG_MALI_DEVFREQ ?= n
	else
	CONFIG_MALI_DEVFREQ ?= y
	endif

	ifeq ($(CONFIG_MALI_DMA_BUF_MAP_ON_DEMAND), y)
	# Prevent misuse when CONFIG_MALI_DMA_BUF_MAP_ON_DEMAND=y
	CONFIG_MALI_DMA_BUF_LEGACY_COMPAT = n
	endif

	ifeq ($(CONFIG_MALI_CSF_SUPPORT), y)
	CONFIG_MALI_CORESIGHT ?= n
	endif

	#
	# Expert/Debug/Test released configurations
	#
	ifeq ($(CONFIG_MALI_EXPERT), y)
	ifeq ($(CONFIG_MALI_NO_MALI), y)
	CONFIG_MALI_REAL_HW = n
	CONFIG_MALI_NO_MALI_DEFAULT_GPU ?= "tMIx"

	else
	# Prevent misuse when CONFIG_MALI_NO_MALI=n
	CONFIG_MALI_REAL_HW = y
	CONFIG_MALI_ERROR_INJECT = n
	endif


	ifeq ($(CONFIG_MALI_HW_ERRATA_1485982_NOT_AFFECTED), y)
	# Prevent misuse when CONFIG_MALI_HW_ERRATA_1485982_NOT_AFFECTED=y
	CONFIG_MALI_HW_ERRATA_1485982_USE_CLOCK_ALTERNATIVE = n
	endif

	ifeq ($(CONFIG_MALI_DEBUG), y)
	CONFIG_MALI_MIDGARD_ENABLE_TRACE ?= y
	CONFIG_MALI_SYSTEM_TRACE ?= y

	ifeq ($(CONFIG_SYNC_FILE), y)
	CONFIG_MALI_FENCE_DEBUG ?= y
	else
	CONFIG_MALI_FENCE_DEBUG = n
	endif
	else
	# Prevent misuse when CONFIG_MALI_DEBUG=n
	CONFIG_MALI_MIDGARD_ENABLE_TRACE = n
	CONFIG_MALI_SYSTEM_TRACE = n
	CONFIG_MALI_FENCE_DEBUG = n
	endif
	else
	# Prevent misuse when CONFIG_MALI_EXPERT=n
	CONFIG_MALI_CORESTACK = n
	CONFIG_LARGE_PAGE_ALLOC_OVERRIDE = n
	CONFIG_LARGE_PAGE_ALLOC = n
	CONFIG_MALI_PWRSOFT_765 = n
	CONFIG_MALI_MEMORY_FULLY_BACKED = n
	CONFIG_MALI_JOB_DUMP = n
	CONFIG_MALI_NO_MALI = n
	CONFIG_MALI_REAL_HW = y
	CONFIG_MALI_ERROR_INJECT = n
	CONFIG_MALI_HW_ERRATA_1485982_NOT_AFFECTED = n
	CONFIG_MALI_HW_ERRATA_1485982_USE_CLOCK_ALTERNATIVE = n
	CONFIG_MALI_PRFCNT_SET_SELECT_VIA_DEBUG_FS = n
	CONFIG_MALI_DEBUG = n
	CONFIG_MALI_MIDGARD_ENABLE_TRACE = n
	CONFIG_MALI_SYSTEM_TRACE = n
	CONFIG_MALI_FENCE_DEBUG = n
	endif

	ifeq ($(CONFIG_MALI_DEBUG), y)
	CONFIG_MALI_KUTF ?= y
	ifeq ($(CONFIG_MALI_KUTF), y)
	CONFIG_MALI_KUTF_IRQ_TEST ?= y
	CONFIG_MALI_KUTF_CLK_RATE_TRACE ?= y
	CONFIG_MALI_KUTF_MGM_INTEGRATION_TEST ?= y
	else
	# Prevent misuse when CONFIG_MALI_KUTF=n
	CONFIG_MALI_KUTF_IRQ_TEST = n
	CONFIG_MALI_KUTF_CLK_RATE_TRACE = n
	CONFIG_MALI_KUTF_MGM_INTEGRATION_TEST = n
	endif
	else
	# Prevent misuse when CONFIG_MALI_DEBUG=n
	CONFIG_MALI_KUTF = n
	CONFIG_MALI_KUTF_IRQ_TEST = n
	CONFIG_MALI_KUTF_CLK_RATE_TRACE = n
	CONFIG_MALI_KUTF_MGM_INTEGRATION_TEST = n
	endif
	else
	# Prevent misuse when CONFIG_MALI_MIDGARD=n
	CONFIG_MALI_ARBITRATION = n
	CONFIG_MALI_KUTF = n
	CONFIG_MALI_KUTF_IRQ_TEST = n
	CONFIG_MALI_KUTF_CLK_RATE_TRACE = n
	CONFIG_MALI_KUTF_MGM_INTEGRATION_TEST = n
	endif

	# All Mali CONFIG should be listed here
	CONFIGS := \
	CONFIG_MALI_MIDGARD \
	CONFIG_MALI_CSF_SUPPORT \
	CONFIG_MALI_GATOR_SUPPORT \
	CONFIG_MALI_ARBITER_SUPPORT \
	CONFIG_MALI_ARBITRATION \
	CONFIG_MALI_PARTITION_MANAGER \
	CONFIG_MALI_REAL_HW \
	CONFIG_MALI_DEVFREQ \
	CONFIG_MALI_MIDGARD_DVFS \
	CONFIG_MALI_DMA_BUF_MAP_ON_DEMAND \
	CONFIG_MALI_DMA_BUF_LEGACY_COMPAT \
	CONFIG_MALI_EXPERT \
	CONFIG_MALI_CORESTACK \
	CONFIG_LARGE_PAGE_ALLOC_OVERRIDE \
	CONFIG_LARGE_PAGE_ALLOC \
	CONFIG_MALI_PWRSOFT_765 \
	CONFIG_MALI_MEMORY_FULLY_BACKED \
	CONFIG_MALI_JOB_DUMP \
	CONFIG_MALI_NO_MALI \
	CONFIG_MALI_ERROR_INJECT \
	CONFIG_MALI_HW_ERRATA_1485982_NOT_AFFECTED \
	CONFIG_MALI_HW_ERRATA_1485982_USE_CLOCK_ALTERNATIVE \
	CONFIG_MALI_PRFCNT_SET_PRIMARY \
	CONFIG_MALI_PRFCNT_SET_SECONDARY \
	CONFIG_MALI_PRFCNT_SET_TERTIARY \
	CONFIG_MALI_PRFCNT_SET_SELECT_VIA_DEBUG_FS \
	CONFIG_MALI_DEBUG \
	CONFIG_MALI_MIDGARD_ENABLE_TRACE \
	CONFIG_MALI_SYSTEM_TRACE \
	CONFIG_MALI_FENCE_DEBUG \
	CONFIG_MALI_KUTF \
	CONFIG_MALI_KUTF_IRQ_TEST \
	CONFIG_MALI_KUTF_CLK_RATE_TRACE \
	CONFIG_MALI_KUTF_MGM_INTEGRATION_TEST \
	CONFIG_MALI_XEN \
	CONFIG_MALI_CORESIGHT


	THIS_DIR := $(dir $(lastword $(MAKEFILE_LIST)))
	-include $(THIS_DIR)/../arbitration/Makefile

	# MAKE_ARGS to pass the custom CONFIGs on out-of-tree build
	#
	# Generate the list of CONFIGs and values.
	# $(value config) is the name of the CONFIG option.
	# $(value $(value config)) is its value (y, m).
	# When the CONFIG is not set to y or m, it defaults to n.
	MAKE_ARGS := $(foreach config,$(CONFIGS), \
	$(if $(filter y m,$(value $(value config))), \
	$(value config)=$(value $(value config)), \
	$(value config)=n))

	MAKE_ARGS += CONFIG_MALI_PLATFORM_NAME=$(CONFIG_MALI_PLATFORM_NAME)

	#
	# EXTRA_CFLAGS to define the custom CONFIGs on out-of-tree build
	#
	# Generate the list of CONFIGs defines with values from CONFIGS.
	# $(value config) is the name of the CONFIG option.
	# When set to y or m, the CONFIG gets defined to 1.
	EXTRA_CFLAGS := $(foreach config,$(CONFIGS), \
	$(if $(filter y m,$(value $(value config))), \
	-D$(value config)=1))

	EXTRA_CFLAGS += -DCONFIG_MALI_PLATFORM_NAME=$(CONFIG_MALI_PLATFORM_NAME)
	EXTRA_CFLAGS += -DCONFIG_MALI_NO_MALI_DEFAULT_GPU='\"$(CONFIG_MALI_NO_MALI_DEFAULT_GPU)\"'

	#
	# KBUILD_EXTRA_SYMBOLS to prevent warnings about unknown functions
	#


	KBUILD_CFLAGS += -Wall -Werror
	# The following were added to align with W=1 in scripts/Makefile.extrawarn
	# from the Linux source tree (v5.18.14)
	KBUILD_CFLAGS += -Wextra -Wunused -Wno-unused-parameter
	KBUILD_CFLAGS += -Wmissing-declarations
	KBUILD_CFLAGS += -Wmissing-format-attribute
	KBUILD_CFLAGS += -Wmissing-prototypes
	KBUILD_CFLAGS += -Wold-style-definition

	# An error will be reported when assign the rvalues to KBUILD_CFLAGS directly.
	# So the work-around scheme is adopted, that is: using temporary variables to
	# receive the following four rvalues, and then assigning them to KBUILD_CFLAGS.
	TEMPORARY_CFLAGS := $(call cc-option, -Wunused-but-set-variable)
	TEMPORARY_CFLAGS += $(call cc-option, -Wunused-const-variable)
	TEMPORARY_CFLAGS += $(call cc-option, -Wpacked-not-aligned)
	TEMPORARY_CFLAGS += $(call cc-option, -Wstringop-truncation)
	KBUILD_CFLAGS += $(TEMPORARY_CFLAGS)
	$(info $(KBUILD_CFLAGS))
	ifeq ($(TARGET_BUILD_KERNEL_VERSION),5.15)
	# The following turn off the warnings enabled by -Wextra
	KBUILD_CFLAGS += -Wno-sign-compare
	KBUILD_CFLAGS += -Wno-shift-negative-value
	KBUILD_CFLAGS += $(call cc-option, -Wno-cast-function-type)

	KBUILD_CPPFLAGS += -DKBUILD_EXTRA_WARN1
	# The following were added to align with W=2 in scripts/Makefile.extrawarn
	# from the Linux source tree (v5.18.14)
	KBUILD_CFLAGS += -Wdisabled-optimization
	# The -Wshadow flag cannot be enabled unless upstream kernels are
	# patched to fix redefinitions of certain built-in functions and
	# global variables.
	KBUILD_CFLAGS += $(call cc-option, -Wlogical-op)
	KBUILD_CFLAGS += -Wmissing-field-initializers
	# -Wtype-limits must be disabled due to build failures on kernel 5.x
	KBUILD_CFLAGS += -Wno-type-limits
	KBUILD_CFLAGS += $(call cc-option, -Wmaybe-uninitialized)
	KBUILD_CFLAGS += $(call cc-option, -Wunused-macros)

	KBUILD_CPPFLAGS += -DKBUILD_EXTRA_WARN2

	# This warning is disabled to avoid build failures in some kernel versions
	KBUILD_CFLAGS += -Wno-ignored-qualifiers
	endif

	ifeq ($(CONFIG_GCOV_KERNEL),y)
	KBUILD_CFLAGS += $(call cc-option, -ftest-coverage)
	KBUILD_CFLAGS += $(call cc-option, -fprofile-arcs)
	EXTRA_CFLAGS += -DGCOV_PROFILE=1
	endif

	ifeq ($(CONFIG_MALI_KCOV),y)
	KBUILD_CFLAGS += $(call cc-option, -fsanitize-coverage=trace-cmp)
	EXTRA_CFLAGS += -DKCOV=1
	EXTRA_CFLAGS += -DKCOV_ENABLE_COMPARISONS=1
	endif

	all:
	$(MAKE) -C $(KDIR) M=$(CURDIR) $(MAKE_ARGS) EXTRA_CFLAGS="$(EXTRA_CFLAGS)" KBUILD_EXTRA_SYMBOLS="$(EXTRA_SYMBOLS)" modules

	modules_install:
	$(MAKE) -C $(KDIR) M=$(CURDIR) $(MAKE_ARGS) modules_install

	clean:
	$(MAKE) -C $(KDIR) M=$(CURDIR) $(MAKE_ARGS) clean