Subject: Re: Few questions about the TS-7200
To: Ken Hornstein <email@example.com>
From: Jason Thorpe <firstname.lastname@example.org>
Date: 12/15/2005 07:31:36
On Dec 14, 2005, at 10:14 PM, Ken Hornstein wrote:
> I just realized something ... is the kernel _running_ from the flash
> memory? (it looks like to me that it is) If it is, then I won't be
> able to overwrite a running kernel (well, I'd be able to overwrite
> of it, but probably I wouldn't be able to get the whole thing :-) ).
> So I guess maybe my only options are to either get a real first-stage
> boot sequence running, or suck it up and just shuffle kernels around.
No (I wrote gzboot, I should know :-)
gzboot has a compressed copy of the kernel in its belly, and then
decompresses it to RAM. gzboot itself may or may not run directly
out of flash.