为Z8300平板做个简单的linux系统

hl1200aa

x86-64的开机顺序是
UEFI->grub2->kernel->rootfs

本系统使用一个8G U盘做主硬盘，
UEFI, grub2, kernel在第一分区，格式为fat，大小为1G。
rootfs在第二分区，格式为EXT4分区，大小为2G。

为U盘建立GPT分区表
$ sudo gdisk /dev/sdb
Command (? for help): o
Command (? for help): w
Do you want to proceed? (Y/N): y

创建第一分区
$ sudo gdisk /dev/sdb
Command (? for help): n
Partition number (1-128, default 1):
First sector (34-16367582, default = 2048) or {+-}size{KMGTP}:
Last sector (2048-16367582, default = 16367582) or {+-}size{KMGTP}: +1G
Current type is 'Linux filesystem'
Hex code or GUID (L to show codes, Enter = 8300): ef00
Changed type of partition to 'EFI System'

创建第二分区
Command (? for help): n
Partition number (2-128, default 2): 2
First sector (34-16367582, default = 2099200) or {+-}size{KMGTP}:
Last sector (2099200-16367582, default = 16367582) or {+-}size{KMGTP}: +2G
Current type is 'Linux filesystem'
Hex code or GUID (L to show codes, Enter = 8300):
Changed type of partition to 'Linux filesystem'

写入GPT分区表
Command (? for help): w

$ ls /dev/ | grep sdb
sdb
sdb1
sdb2
OK，两个分区出来了。

格式化两个分区
$ sudo mkfs.vfat -F32 -n GRUB2EFI /dev/sdb1
$ sudo mkfs.ext4 -L ROOTFS /dev/sdb2

拔掉U盘重新插，只会自动挂载ROOTFS这个分区

挂载第一分区
sudo mount -t vfat /dev/sdb1 /mnt -o uid=1000,gid=1000,umask=022

把ubuntu安装光盘镜像挂载，拷贝boot和EFI文件夹到/mnt
把boot/grub/grub.cfg里面的选项改为
menuentry "Mylinux4.17.11" {
        linux        /linux4.17.11/vmlinuz4.17.11 boot=/dev/sda2 rootwait ---
}
编译linux 4.17.11并将内核镜像拷到/mnt/linux1.17.11文件夹，命名为vmlinuz4.17.11

在ROOTFS分区创建以下脚本并运行
#!/bin/bash

echo "--------Create root,dev....----------"  
mkdir root dev etc boot tmp var sys proc lib mnt home usr   
mkdir etc/init.d etc/rc.d etc/sysconfig  
mkdir usr/lib usr/modules  
echo "make node in dev/console dev/null"  
sudo mknod -m 600 dev/console c 5 1  
sudo mknod -m 600 dev/null  c 1 3
mkdir dev/pts -p
# mkdir mnt/etc mnt/jffs2 mnt/yaffs mnt/data mnt/temp  
mkdir var/lib var/lock var/run var/tmp  var/log
chmod 1777 tmp  
chmod 1777 var/tmp
# create etc config /etc/inittab
echo -e "::sysinit:/etc/init.d/rcS " >etc/inittab
echo -e "::askfirst:-/bin/sh " >>etc/inittab
echo -e "::ctrlaltdel:/sbin/reboot " >>etc/inittab
echo -e "::shutdown:/bin/umount -a -r " >>etc/inittab
# create etc config /etc/init.d/rcs
echo -e "#! /bin/sh " >etc/init.d/rcS
echo -e "mount -t sysfs none /sys " >>etc/init.d/rcS
echo -e "mount -t proc none /proc " >>etc/init.d/rcS
echo -e "mount -t tmpfs tmpfs /tmp" >>etc/init.d/rcS
echo -e "/bin/hostname -F /etc/sysconfig/HOSTNAME " >>etc/init.d/rcS
echo -e "mdev -s " >>etc/init.d/rcS
chmod +x etc/init.d/rcS
# create etc config /etc/fstab
echo -e "proc       /proc       proc        defaults 0 0 " >etc/fstab
echo -e "sysfs      /sys        sysfs       defaults 0 0 " >>etc/fstab
echo -e "devtmpfs   /dev        devtmpfs    defaults 0 0 " >>etc/fstab
echo -e "tmpfs      /tmp        tmpfs       defaults 0 0 " >>etc/fstab
echo -e "tmpfs      /var        tmpfs       defaults 0 0 " >>etc/fstab
echo -e "none       /dev/pts    devpts      defaults 0 0 " >>etc/fstab

# create etc config /etc/group
echo -e "root:x:0: " >etc/group
# create etc config /etc/passwd
echo -e "root:x:0:0:root:/root:/bin/sh " >etc/passwd
# create etc config /etc/profile
echo -e "PATH=/bin:/sbin:/usr/bin:/usr/sbin   " >etc/profile
echo -e "export PATH " >>etc/profile
echo -e "#set hostname  " >>etc/profile
echo -e "HOSTNAME='/bin/hostname' " >>etc/profile
echo -e "export HOSTNAME " >>etc/profile
echo -e "# Set PS1 " >>etc/profile
echo -e "PS1='\u@\h:\w\\$ ' " >>etc/profile
echo -e "export PS1 " >>etc/profile
# create etc config /etc/sysconfig/HOSTNAME
echo -e "hostname " >etc/sysconfig/HOSTNAME

echo "-------make direction done---------"

编译busybox-1.29.3，也拷贝到ROOTFS分区。
end

最后，十分感谢老司机  dr2001  带路

leezee

厉害,可以正常用吗,山寨平板

hl1200

leezee 发表于 2018-9-21 17:11
厉害,可以正常用吗,山寨平板

只能命令行busybox