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cc-droidcc-droid
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init version, add modules and debug shell
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11 files changed

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‎shell/arm_func

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#!/bin/bash
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export ARCH=arm
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export CROSS_COMPILE=arm-none-linux-gnueabihf-
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export zImage_obj=$SRC_DIR/linux-5.6.11/arch/arm/boot/zImage
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export dtb_obj=$SRC_DIR/linux-5.6.11/arch/arm/boot/dts/vexpress-v2p-ca9.dtb
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export rootfs_obj=$IMAGE_DIR/rootfs.ext3
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function arm_usage(){
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echo ""
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echo "usage for arm:"
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echo " ./smake -arm zImage -- cross-complie linux kernel zImage "
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echo " ./smake -arm uImage -- cross-complie linux kernel uImage "
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echo " ./smake -arm uboot -- cross-complie uboot"
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echo " ./smake -arm busybox -- cross-complie busybox"
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echo " ./smake -arm rootfs -- create rootfs ext3 image"
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echo " ./smake -arm clean_rootfs -- clean rootfs dir"
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echo " ./smake -arm run_uboot -- run uboot in qemu without graphic"
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echo " ./smake -arm run_zImage -- run zImage in qemu with graphic"
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echo " ./smake -arm debug_uboot -- debug uboot use gdb in qemu without graphic"
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echo " ./smake -arm debug_zImage -- debug zImage use gdb in qemu with graphic"
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echo " ./smake -arm clean_boot -- clean uboot,reserve config"
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echo " ./smake -arm clean_kernel -- clean kernel,reserve config"
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echo " ./smake -arm disclean_boot -- deep clean uboot"
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echo " ./smake -arm distclean_kernel -- distclean kernel"
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echo " ./smake -arm clean_busybox -- clean busybox"
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echo " ./smake -arm distclean_busybox -- distclean busybox"
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echo " ./smake -arm setup_net -- setup net connection with qemu"
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echo " ./smake -arm modules xxx -- make kernel modules in src/modules/xxx,xxx indicates modules directory"
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echo " ./smake -arm modules clean xxx -- clean kernel modules in src/modules/xxx,xxx indicates modules directory"
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echo ""
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}
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function make_arm_zImage(){
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cd $SRC_DIR/linux-5.6.11
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make vexpress_defconfig
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make -j12 zImage
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make dtbs
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make modules
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echo "generate zImage dts succeed"
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}
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function make_arm_uImage(){
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export LOADADDR=0x60003000
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cd $SRC_DIR/linux-5.6.11
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make vexpress_defconfig
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make -j12 uImage
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make dtbs
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make modules
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echo "generate uImage succeed"
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}
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function make_arm_boot(){
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cd $SRC_DIR/u-boot-2020.04
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make vexpress_ca9x4_defconfig
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make -j12
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echo "generate uboot succeed"
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}
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function make_arm_busybox(){
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cd $SRC_DIR/busybox-1.31.1
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make menuconfig
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make -j12
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make install
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echo "generate busybox succeed"
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}
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function run_arm_boot(){
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cd $SRC_DIR/u-boot-2020.04
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qemu-system-arm -M vexpress-a9 \
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-m 256M -nographic -kernel u-boot \
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-net nic -net tap,ifname=tap0,script=no,downscript=no
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#-sd $rootfs_obj
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}
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function debug_arm_boot(){
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cd $SRC_DIR/u-boot-2020.04
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qemu-system-arm -S -s -M vexpress-a9 \
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-m 256M -nographic -kernel u-boot \
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-net nic -net tap,ifname=tap0,script=no,downscript=no
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#-sd $rootfs_obj
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}
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function run_arm_zImage(){
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sudo qemu-system-arm -M vexpress-a9 -m 512M -dtb $dtb_obj -kernel $zImage_obj -smp 4\
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-append "root=/dev/mmcblk0 rw rootwait earlyprintk console=tty0 init=/linuxrc" -sd $rootfs_obj\
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-net nic -net tap,ifname=tap0,script=no,downscript=no
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}
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function debug_arm_zImage(){
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sudo qemu-system-arm -S -s -M vexpress-a9 -m 512M -dtb $dtb_obj -kernel $zImage_obj -smp 4\
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-append "root=/dev/mmcblk0 rw rootwait earlyprintk console=tty0 init=/linuxrc" -sd $rootfs_obj\
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-net nic -net tap,ifname=tap0,script=no,downscript=no
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}

‎shell/common

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#!/bin/bash
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function usage(){
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echo""
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echo -e "now support architecture as below:"
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echo " arm, vexpress-a9 board emulated"
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echo "usage:"
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echo -e " arm, enter as below for help: \n ./smake -arm"
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echo ""
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}
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function make_modules(){
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cd $SRC_DIR/linux-5.6.11
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make M=$SRC_DIR/modules/$1 modules SUBDIRS=$SRC_DIR/modules/$2
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echo "make modules $2 succeed..."
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}
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function clean_modules(){
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cd $SRC_DIR/modules/$3
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make clean
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echo "make clean $3 succeed..."
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}
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function build_rootfs(){
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cd $SHELL_DIR
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./rootfs_build.sh
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echo "generate roots image"
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}
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function setup_net(){
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ifconfig|grep tap0 > /dev/null
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if [ $? != 0 ]; then
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cd $SHELL_DIR
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./setup_net.sh
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echo "setup_net succeed..."
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else
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echo "net haven been setted before...."
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fi
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}
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function clean_rootfs(){
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cd $SHELL_DIR
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./rootfs_build.sh clean
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echo "clean rootfs dir"
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}
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function clean_kernel(){
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cd $SRC_DIR/linux-5.6.11
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make clean
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echo "Clean kernel ..."
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}
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function clean_boot(){
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cd $SRC_DIR/u-boot-2020.04
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make clean
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echo "Clean boot ..."
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}
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function distclean_kernel(){
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cd $SRC/linux-5.6.11
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make distclean
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echo "Distclean kernel over ..."
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}
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function distclean_boot(){
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cd $SRC_DIR/u-boot-2020.04
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make distclean
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echo "Distclean boot ..."
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}
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function clean_busybox(){
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cd $SRC_DIR/busybox-1.31.1
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make clean
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echo "clean busybox succeed"
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}
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function distclean_busybox(){
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cd $SRC_DIR/busybox-1.31.1
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make distclean
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echo "distclean busybox succeed"
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}

‎shell/debug

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#!/bin/bash
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if [ 0 = $# ]; then
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echo ""
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echo "usage:"
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echo " [./debug uboot] for uboot"
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echo " [./debug kernel] for kernel"
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echo ""
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exit
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fi
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if [ 1 = $# ]; then
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if [ $1 = "uboot" ]; then
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arm-none-linux-gnueabihf-gdb -tui -x uboot_arm_gdbinit
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fi
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if [ $1 = "kernel" ]; then
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arm-none-linux-gnueabihf-gdb -tui -x kernel_arm_gdbinit
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fi
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fi

‎shell/global.mk

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#!/bin/bash
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export SHELL_DIR=`pwd`
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export TOP_DIR=$(dirname "$PWD")
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export SRC_DIR=$TOP_DIR/src
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export IMAGE_DIR=$TOP_DIR/images
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export CPU_PHYSICAL_NUM=`cat /proc/cpuinfo| grep "physical id"| sort| uniq| wc -l`
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export CPU_LOGICAL_NUM=`cat /proc/cpuinfo| grep "processor"| wc -l`
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#export PER_CPU_NUM=`cat /proc/cpuinfo| grep "cpu cores"| uniq`
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#echo $TOP_DIR
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#echo $SHELL_DIR
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#echo $SRC_DIR
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#echo $IMAGE_DIRi
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#echo $PHYSICAL_NUM
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#echo $CPU_LOGICAL_NUM

‎shell/kernel_arm_gdbinit

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file /home/develop/vexpress-a9/src/linux-5.6.11/vmlinux
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target remote 127.0.0.1:1234

‎shell/kill_qemu.sh

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#!/bin/bash
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ps -A | grep qemu-system-arm | awk '{print $1}' | xargs sudo kill -9

‎shell/rootfs_build.sh

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@@ -22,6 +22,7 @@ sudo mkdir -p rootfs/sbin # /sbin包含系统运行的关键可执行文件以
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sudo mkdir -p rootfs/home # /home普通用户的工作目录，没有普通用户都会在这里建立一个文件夹
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sudo mkdir -p rootfs/etc # /etc存放系统配置文件以及应用程序的配置文件
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sudo mkdir -p rootfs/lib # /lib存放所有应用程序的共享文件以及内核模块
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sudo mkdir -p rootfs/lib/modules # /lib存放所有应用程序的共享文件以及内核模块
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sudo mkdir -p rootfs/proc/ # /proc目录是内核在内存中映射的实时文件系统，存放内核向用户应用程序提供的信息文件
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sudo mkdir -p rootfs/sys/ # /sys是文件系统挂载的地方
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sudo mkdir -p rootfs/tmp/ # /tmp存放系统或应用程序产生的临时文件

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