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 |   99 ++++++++++++++++++++++++++++++++++---------------
 1 files changed, 68 insertions(+), 31 deletions(-)

diff --git a/bsp/kernel/build.sh b/bsp/kernel/build.sh
index 41e0b3f..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=${PRJ_PATH}/../images/bin
-  
-BOARD=imx6ull
- 
+IMG_PATH=${PRJ_PATH}/../images/boot
+
+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}
 }
@@ -93,14 +89,17 @@
 
     mkdir -p ${IMG_PATH}
 
+    set -x
     cp arch/arm/boot/zImage ${IMG_PATH}
     cp arch/arm/boot/dts/imx6ul-14x14-evk-emmc.dtb ${IMG_PATH}/${BOARD}-${BOOT}.dtb
 
     cp arch/arm/boot/zImage /tftp
     cp arch/arm/boot/dts/imx6ul-14x14-evk-emmc.dtb /tftp/${BOARD}-${BOOT}.dtb
+    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}
@@ -112,39 +111,77 @@
 
     cd ${LINUX_SRC}
 
-    cp .config $CONF_FILE
     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 ${LINUX_SRC} ${LINUX_SRC}-${BOARD} > ${LINUX_SRC}-${BOARD}.patch
+
+    diff -Nuar -x "include-prefixes" -x logo_linux_clut224.ppm ${LINUX_SRC} ${LINUX_SRC}-${BOARD} > ${LINUX_SRC}-${BOARD}.patch
 
     rm -rf ${LINUX_SRC}
     mv ${LINUX_SRC}-${BOARD} ${LINUX_SRC}
 }
 
-if [[ $# == 1 ]] && [[ $1 == "patch" ]] ; then
-    gen_patch
-    exit 0;
-fi
+function do_usage()
+{
+    echo ""
+    echo "Usage:"
+    echo "  $0 [-b] [p] [-c] [-h]"
+    echo "     -b: download and build $PRJ_NAME"
+    echo "     -p: generate $PRJ_NAME patch file"
+    echo "     -c: clean the source code"
+    echo "     -h: show this help message"
+    echo ""
+    exit;
+}
+
+while getopts "bpch" OPTNAME
+do
+    case "${OPTNAME}" in
+        "b")
+            break;
+            ;;
+
+        "p")
+            gen_patch
+            exit;
+            ;;
+
+        "c")
+            do_clean
+            exit;
+            ;;
+
+        "*")
+            do_usage
+            exit;
+            ;;
+    esac
+done
+
+# Default do build action
 
 do_fetch
-
 do_patch
-
 do_build
-
 do_install
-  
+
+exit;
+

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