From 98d6403d29f1e5ca0f3888b3cbd355f01408b061 Mon Sep 17 00:00:00 2001
From: guowenxue <guowenxue@gmail.com>
Date: Sat, 18 Dec 2021 14:37:53 +0800
Subject: [PATCH] update build.sh support driver build

---
 bsp/kernel/build.sh |   59 +++++++++++++++++++++++++++++------------------------------
 1 files changed, 29 insertions(+), 30 deletions(-)

diff --git a/bsp/kernel/build.sh b/bsp/kernel/build.sh
index a4c5888..ae6c5f1 100755
--- a/bsp/kernel/build.sh
+++ b/bsp/kernel/build.sh
@@ -1,13 +1,13 @@
 #!/bin/bash
 
-INST_DRIVER=0
+INST_DRIVER=1
 
 PRJ_PATH=`pwd`
 
 IMG_PATH=${PRJ_PATH}/../images/boot
-  
-BOARD=imx6ull
- 
+
+BOARD=igkboard
+
 CROSS_TOOL=/opt/buildroot/cortexA7/bin/arm-linux-
 
 # linux kernel tarball path and branch
@@ -20,7 +20,7 @@
 
 PATCH_FILE=${PRJ_PATH}/patch/${LINUX_SRC}-${BOARD}.patch
 
-CONF_FILE=.cfg-${BOARD}
+CONF_FILE=arch/arm/configs/${BOARD}_defconfig
 
 JOBS=`cat /proc/cpuinfo | grep processor | wc -l`
 
@@ -30,12 +30,12 @@
 STAGE=0
 
 function msg_banner()
-{ 
+{
 	STAGE=`expr $STAGE + 1`
 	
     echo ""
-    echo "+---------------------------------------------+" 
-    printf " Stage $STAGE: $1\n" 
+    echo "+---------------------------------------------+"
+    printf " Stage $STAGE: $1\n"
     echo "+---------------------------------------------+"
     echo ""
 }
@@ -43,7 +43,7 @@
 function do_fetch()
 {
     msg_banner "Fetch ${LINUX_SRC} source code"
-    if [ -d ${LINUX_SRC} ] ; then 
+    if [ -d ${LINUX_SRC} ] ; then
         printf "\n\n -- ${LINUX_SRC} fetched already -- \n\n"
         return 0;
     fi
@@ -63,23 +63,19 @@
     fi
 
     printf "\n\nModify cross compiler in Makefile: $CROSS_TOOL\n\n"
-    sed -i -e "s|^CROSS_COMPILE=.*|CROSS_COMPILE=${CROSS_TOOL}|g" Makefile
+    sed -i -e "s|^CROSS_COMPILE=.*|CROSS_COMPILE?=${CROSS_TOOL}|g" Makefile
 
     cd ${PRJ_PATH}
 }
-  
+
 function do_build()
 {
     msg_banner "Build for ${LINUX_SRC} source code"
 
     cd ${LINUX_SRC}
 
-    if [ ! -f .config ] ; then 
-        cp $CONF_FILE .config
-    fi
-
+    make ${BOARD}_defconfig
     make -j ${JOBS}
-
 
     cd ${PRJ_PATH}
 }
@@ -102,7 +98,8 @@
     set +x
 
     if [ $INST_DRIVER != 0 ]  ;then
-        make modules_install INSTALL_MOD_PATH=${PRJ_PATH}/../rootfs INSTALL_MOD_STRIP=1
+        rm -rf ${PRJ_PATH}/../rootfs/driver
+        make modules_install INSTALL_MOD_PATH=${PRJ_PATH}/../rootfs/driver INSTALL_MOD_STRIP=1
     fi
 
     cd ${PRJ_PATH}
@@ -114,26 +111,28 @@
 
     cd ${LINUX_SRC}
 
-    if [ -f .config ] ; then 
-        cp .config $CONF_FILE
-    fi
-
     make distclean
 
     cd ${PRJ_PATH}
 }
 
 function gen_patch()
-{ 
-    do_clean
+{
+    msg_banner "Clean ${LINUX_SRC} source code"
+    cd ${LINUX_SRC}
+    make savedefconfig
+    mv defconfig ${CONF_FILE}
+    make distclean
+    cd -
 
-    mv ${LINUX_SRC} ${LINUX_SRC}-${BOARD} 
+    mv ${LINUX_SRC} ${LINUX_SRC}-${BOARD}
 
     do_fetch
 
     msg_banner "Generate ${LINUX_SRC} patch file"
 
     set +e
+
     diff -Nuar -x "include-prefixes" -x logo_linux_clut224.ppm ${LINUX_SRC} ${LINUX_SRC}-${BOARD} > ${LINUX_SRC}-${BOARD}.patch
 
     rm -rf ${LINUX_SRC}
@@ -177,12 +176,12 @@
     esac
 done
 
-# Default do build action 
+# Default do build action
 
-do_fetch 
-do_patch 
-do_build 
-do_install 
+do_fetch
+do_patch
+do_build
+do_install
 
 exit;
-  
+

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