USB Serial Console?

Peter Grehan grehan at freebsd.org
Thu May 19 21:54:16 GMT 2005


Hi Michael,

> This is more of a FreeBSD general question but is applies to Mac PPC 
> more than the average platform:
> 
> Are there any FreeBSD USB Serial Console projects out there akin to that 
> in Linux?

  I don't know of one, but there's no reason why it couldn't be the 
console after it is probed - the USB keyboard already works in polled 
mode for console input.

  The issue is getting console i/o *before* the USB serial port is 
probed i.e. at the loader prompt and booting into the debugger, OFW 
doesn't support this though if you are a uber-hacker it may be possible 
to write Forth code to do this.

  In a similar vein, Firewire *can* be used as a console after it's 
probed, but there is the same issue with it not being supported by OFW.

later,

Peter.


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