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Re: Handling >4MB kernels on cats (Was: CVS commit: src)
David Brownlee wrote:
> On Mon, 19 Jan 2009, Izumi Tsutsui wrote:
>> abs%NetBSD.org@localhost wrote:
>>> In the meantime the cats ramdisk image could be pruned -
>>> scsictl, mount_kernfs, restore, rcmd, chio, etc...
>> On cats case, implementing standalone bootloader
>> may be the right way to go. Cobalt bootloader already
>> has pciide support.
> I'm quite taken by the idea of having a boot option to tell a
> kernel to prompt to load a ramdisk after autoconfig - a
> generalised version of what atari does now with its 'md2'.
> - It should be completely MI, so all ports benefit
> - You gain access to all compiled in kernel drivers - eg: USB
> - You can drop the distinction between INSTALL and GENERIC kernels
> It only pushes out the cats kernel size issue rather than fixing
> it for good, though a 4MB can fit quite a good sized gzipped
> cats kernel once you exclude the ramdisk, and moving to modular
> would allow you to dump audio and other drivers...
> Of course, it needs someone with the time and inclination :)
In the short term this change to GENERIC should probably be done to INSTALL:
It saved 700KB, as isp includes a huge binary blob. Actually with
cyclone 1.30 it's a 5MB limit, not 4MB.
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