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# SPDX-License-Identifier: GPL-2.0 WITH Linux-syscall-note
#
# (C) COPYRIGHT 2010-2022 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
ifeq ($(origin CONFIG_MALI_ABITER_MODULES), undefined)
CONFIG_MALI_ARBITER_MODULES := $(CONFIG_MALI_ARBITRATION)
endif
ifeq ($(origin CONFIG_MALI_GPU_POWER_MODULES), undefined)
CONFIG_MALI_GPU_POWER_MODULES := $(CONFIG_MALI_ARBITRATION)
endif
ifneq ($(CONFIG_MALI_NO_MALI),y)
# Prevent misuse when CONFIG_MALI_NO_MALI=y
CONFIG_MALI_REAL_HW ?= y
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 ($(CONFIG_XEN),y)
ifneq ($(CONFIG_MALI_ARBITRATION), n)
CONFIG_MALI_XEN ?= m
endif
endif
#
# Expert/Debug/Test released configurations
#
ifeq ($(CONFIG_MALI_EXPERT), y)
ifeq ($(CONFIG_MALI_NO_MALI), y)
CONFIG_MALI_REAL_HW = n
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 ($(CONFIG_SYNC), y)
CONFIG_MALI_FENCE_DEBUG ?= y
else
ifeq ($(CONFIG_SYNC_FILE), y)
CONFIG_MALI_FENCE_DEBUG ?= y
else
CONFIG_MALI_FENCE_DEBUG = n
endif
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_MALI_2MB_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_ARBITER_MODULES = n
CONFIG_MALI_GPU_POWER_MODULES = 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_DMA_FENCE \
CONFIG_MALI_ARBITER_SUPPORT \
CONFIG_MALI_ARBITRATION \
CONFIG_MALI_ARBITER_MODULES \
CONFIG_MALI_GPU_POWER_MODULES \
CONFIG_MALI_PARTITION_MANAGER \
CONFIG_MALI_REAL_HW \
CONFIG_MALI_GEM5_BUILD \
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_MALI_2MB_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
#
# 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)
#
# KBUILD_EXTRA_SYMBOLS to prevent warnings about unknown functions
#
# The following were added to align with W=1 in scripts/Makefile.extrawarn
# from the Linux source tree
KBUILD_CFLAGS += -Wall -Werror
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
KBUILD_CFLAGS += -Wmissing-include-dirs
KBUILD_CFLAGS += $(call cc-option, -Wunused-but-set-variable)
KBUILD_CFLAGS += $(call cc-option, -Wunused-const-variable)
KBUILD_CFLAGS += $(call cc-option, -Wpacked-not-aligned)
KBUILD_CFLAGS += $(call cc-option, -Wstringop-truncation)
# The following turn off the warnings enabled by -Wextra
KBUILD_CFLAGS += -Wno-missing-field-initializers
KBUILD_CFLAGS += -Wno-sign-compare
KBUILD_CFLAGS += -Wno-type-limits
KBUILD_CPPFLAGS += -DKBUILD_EXTRA_WARN1
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