Re: zImage on 2.6?
From: Randy.Dunlap (rddunlap_at_osdl.org)
Date: 05/03/05
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Date: Tue, 3 May 2005 09:59:13 -0700 To: Wakko Warner <wakko@animx.eu.org>
On Tue, 3 May 2005 12:33:43 -0400 Wakko Warner wrote:
| Randy.Dunlap wrote:
| > On Tue, 3 May 2005 06:45:03 -0400 Wakko Warner wrote:
| > | > It's supported in arch/i386/Makefile (and some others).
| > | > For i386, you'll need to disable enough (lots of) options to make the
| > | > resulting output file small enough...
| > |
| > | The resultant bzImage is ~760kb. I compiled out everything I could, only
| > | ram disk/initrd, and ext2 are compiled in.
| > |
| > | If you'd like to see the .config, I'll send it up.
| >
| > Are you saying that zImage still fails (image is too large?) ?
|
| Yes, I do recall it says "System is 724k". zImage failes. bzImage says
| 724k as well and succeeds.
The image size needs to be <= 0x7f000 (520192 bytes, 508 KB).
(No, I don't know why, just that this is what is being
enforced.)
Just cut more out of the kernel image...
| > I built one, but I wouldn't want to boot it. :)
| > It looks like you would need to put almost everything into
| > an initrd to make it usable.
|
| That was the idea in this. Once I get my stuff the way I want it, I'll
| probably move on to using initramfs. My initrd is using ramdisk, my / is on
| tmpfs and is populated by .tgz files on other media (The boot time is
| generally short lived by design anyway)
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