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MA-18646 Build nxp mxmwifi driver out of kernel tree

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Add mxmwifi.mk to build nxp wifi driver out of kernel
tree with clang.

Remove GCC ccflag options to build wifi driver.

Change-Id: Ie9a2550a2a626daa069e7edb305080c91ef71bfa
Signed-off-by: yang.tian <yang.tian@nxp.com>
This commit is contained in:
yang.tian 2021-01-28 16:29:02 +08:00
parent 8eea83e2ae
commit 5426fc45f2
2 changed files with 53 additions and 9 deletions
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44
mxm_wifiex/mxmwifi.mk Normal file
View file

@ -0,0 +1,44 @@
# Copyright 2021 NXP
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
KERNEL_DIR := $(TARGET_OUT_INTERMEDIATES)/KERNEL_OBJ
TARGET_ARCH := $(TARGET_KERNEL_ARCH)
MXMWIFI_CROSS_COMPILE := aarch64-linux-gnu-
MXMWIFI_SRC_PATH := $(MXMWIFI_PATH)/mxm_wifiex/wlan_src
MXMWIFI_OUT := $(TARGET_OUT_INTERMEDIATES)/MXMWIFI_OBJ
KERNEL_CFLAGS ?= KCFLAGS=-mno-android
ARCH ?= $(TARGET_ARCH)
MXMWIFI_KERNELENVSH := $(MXMWIFI_OUT)/kernelenv.sh
$(MXMWIFI_KERNELENVSH):
mkdir -p $(MXMWIFI_OUT)
echo 'export KERNEL_DIR=$(KERNEL_DIR)' > $(MXMWIFI_KERNELENVSH)
echo 'export CROSS_COMPILE=$(MXMWIFI_CROSS_COMPILE)' >> $(MXMWIFI_KERNELENVSH)
echo 'export ARCH=$(ARCH)' >> $(MXMWIFI_KERNELENVSH)
mxmwifi: $(MXMWIFI_KERNELENVSH) $(MXMWIFI_SRC_PATH)
$(hide) if [ ${clean_build} = 1 ]; then \
PATH=$$PATH $(MAKE) -C $(MXMWIFI_SRC_PATH) ANDROID=yes clean; \
fi
@ . $(MXMWIFI_KERNELENVSH); $(kernel_build_shell_env) \
$(MAKE) -C $(MXMWIFI_SRC_PATH) ANDROID=yes \
PWD=$(ANDROID_BUILD_TOP)/vendor/nxp-opensource/nxp-mwifiex/mxm_wifiex/wlan_src \
$(CLANG_TO_COMPILE) \
$(KERNEL_CFLAGS) \
ARCH=$(ARCH) \
DEBUG=$(DEBUG); \
cp $(MXMWIFI_SRC_PATH)/mlan.ko $(MXMWIFI_OUT);
cp $(MXMWIFI_SRC_PATH)/moal.ko $(MXMWIFI_OUT);

18
mxm_wifiex/wlan_src/Makefile
View file

@ -116,7 +116,7 @@ ccflags-y += -I$(M)/mlan
ccflags-y += -DLINUX
KERNELVERSION_X86 := $(shell uname -r)
KERNELDIR ?= /lib/modules/$(KERNELVERSION_X86)/build
KERNELDIR ?= $(KERNEL_DIR)
LD += -S
BINDIR = ../bin_mxm_wifiex
@ -297,16 +297,16 @@ endif
# add -Wno-packed-bitfield-compat when GCC version greater than 4.4
GCC_VERSION := $(shell echo `gcc -dumpversion | cut -f1-2 -d.` \>= 4.4 | sed -e 's/\./*100+/g' | bc )
ifeq ($(GCC_VERSION),1)
ccflags-y += -Wno-packed-bitfield-compat
#ccflags-y += -Wno-packed-bitfield-compat
endif
WimpGCC_VERSION := $(shell echo `gcc -dumpversion | cut -f1 -d.`| bc )
ifeq ($(shell test $(WimpGCC_VERSION) -ge 7; echo $$?),0)
ccflags-y += -Wimplicit-fallthrough=3
endif
ccflags-y += -Wno-stringop-overflow
ccflags-y += -Wno-tautological-compare
ccflags-y += -Wno-stringop-truncation
ccflags-y += -Wno-packed-bitfield-compat
#ifeq ($(shell test $(WimpGCC_VERSION) -ge 7; echo $$?),0)
#ccflags-y += -Wimplicit-fallthrough=3
#endif
#ccflags-y += -Wno-stringop-overflow
#ccflags-y += -Wno-tautological-compare
#ccflags-y += -Wno-stringop-truncation
#ccflags-y += -Wno-packed-bitfield-compat
#############################################################################
# Make Targets