Книга: Embedded Linux Primer: A Practical, Real-World Approach

6.2.3. Customized Initial Process

6.2.3. Customized Initial Process

It is worth noting that the developer can control which initial process is executed at startup. This is done by a kernel command line parameter. It is hinted at in Listing 6-2 by the text contained within the panic() function call. Building on our kernel command line from Chapter 5, here is how it might look with a developer-specified init process:

console=ttyS0,115200 ip=bootp root=/dev/nfs init=/sbin/myinit

Specifying init= in the kernel command line in this way, you must provide a binary executable on your root file system in the /sbin directory called myinit. This would be the first process to gain control at the completion of the kernel's boot process.

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