掌機 - M22Pro - 如何Extract RootFS

$ binwalk spi.bin 
    DECIMAL       HEXADECIMAL     DESCRIPTION
    --------------------------------------------------------------------------------
    23824         0x5D10          Android bootimg, kernel size: 1919249152 bytes, kernel addr: 0x5F6C656E, ramdisk size: 1919181921 bytes, ramdisk addr: 0xA78253A, product name: "load boot_image fail"
    320452        0x4E3C4         CRC32 polynomial table, little endian
    346626        0x54A02         Android bootimg, kernel size: 1836212480 bytes, kernel addr: 0x61003436, ramdisk size: 1711304050 bytes, ramdisk addr: 0x6563726F, product name: "vice"
    549560        0x862B8         Flattened device tree, size: 18254 bytes, version: 17
    808672        0xC56E0         DES SP1, little endian
    808928        0xC57E0         DES SP2, little endian
    815632        0xC7210         SHA256 hash constants, little endian
    842698        0xCDBCA         Unix path: /lib/libtomcrypt/hash.c
    843971        0xCE0C3         DES PC1 table
    844027        0xCE0FB         DES PC2 table
    876544        0xD6000         Flattened device tree, size: 60608 bytes, version: 17
    1179648       0x120000        Android bootimg, kernel size: 3901168 bytes, kernel addr: 0x40008000, ramdisk size: 12 bytes, ramdisk addr: 0x41000000, product name: "h133-p2nor"
    1181696       0x120800        Linux kernel ARM boot executable zImage (little-endian)
    1208467       0x127093        gzip compressed data, maximum compression, from Unix, last modified: 1970-01-01 00:00:00 (null date)
    5416448       0x52A600        PC bitmap, Windows 3.x format,, 480 x 480 x 24
    6346752       0x60D800        Squashfs filesystem, little endian, version 4.0, compression:xz, size: 10060760 bytes, 891 inodes, blocksize: 131072 bytes, created: 2024-11-29 02:25:52

$ dd if=spi.bin of=rootfs.squashfs bs=1 skip=6346752
    10430464+0 records in
    10430464+0 records out
    10430464 bytes (10 MB, 9.9 MiB) copied, 23.7211 s, 440 kB/s

$ file rootfs.squashfs 
    rootfs.squashfs: Squashfs filesystem, little endian, version 4.0, xz compressed, 10060760 bytes, 891 inodes, blocksize: 131072 bytes, created: Fri Nov 29 02:25:52 2024

$ sudo mount rootfs.squashfs /mnt/

$ ls /mnt/
    bin  data  dev  etc  game  lib  mnt  overlay  proc  rdinit  rom  root  sbin  sdcard  sys  tmp  usr  var  www

$ cat /mnt/etc/openwrt_release 
    DISTRIB_ID='tina.root.20241025.060322'
    DISTRIB_RELEASE='Neptune'
    DISTRIB_REVISION='5C1C9C53'
    DISTRIB_TARGET='h133-p2nor/generic v3.5'
    DISTRIB_DESCRIPTION='tina.root.20241025.060322 4.0.0'
    DISTRIB_TAINTS='no-all busybox'