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Re: Stage1_5 size in size_test script...
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From: |
Yoshinori K. Okuji |
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Subject: |
Re: Stage1_5 size in size_test script... |
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Date: |
Mon, 09 Jun 2003 04:43:52 +0900 |
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User-agent: |
Wanderlust/2.8.1 (Something) SEMI/1.14.3 (Ushinoya) FLIM/1.14.3 (Unebigoryōmae) APEL/10.3 Emacs/21.2 (i386-debian-linux-gnu) MULE/5.0 (SAKAKI) |
At Wed, 28 May 2003 19:19:37 +0400,
Yury Umanets wrote:
> check fat_stage1_5 31744
> check e2fs_stage1_5 31744
> check minix_stage1_5 31744
>
> All these limits are 31744, that is 63 sectors. But we have yet another
> more strong limit on stage1_5 size. As stage1_5 is loaded to 0x2000 and
> stage2 is loaded to 0x8000, then we have 0x8000 - 0x2000 = 24576 bytes.
Ah, you are right. I didn't realize it.
> And this is not finish yet. As says grub.info, LBA flags is loaded
> 0x7F00, that is, we have for stage1_5 0x8000 - 0x7F00 = 24320 bytes.
> I'm right? Does stage1_5 uses LBA flags?
Yes, you are right. The flags are used at the startup code of Stage
1.5 and Stage 2.
Thanks,
Okuji
- Re: Stage1_5 size in size_test script...,
Yoshinori K. Okuji <=