1.Kernel hacking ---> Kernel low-level debugging functions --> Early printk
2.boot option中你需要添加 earlyprintk项。类似于：
console=ttySAC0,115200 root=/dev/mtdblock3 rootfstype=jffs2 earlyprintk
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2024-03-14 20:10:48
1.Kernel hacking ---> Kernel low-level debugging functions --> Early printk
2.boot option中你需要添加 earlyprintk项。类似于：
console=ttySAC0,115200 root=/dev/mtdblock3 rootfstype=jffs2 earlyprintk