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Re: YAMON booting Linux kernels from malta board harddisk....

To: KokHow.Teh@infineon.com
Subject: Re: YAMON booting Linux kernels from malta board harddisk....
From: Elizabeth Oldham <beth@mips.com>
Date: Fri, 21 Sep 2007 11:17:01 +0100
Cc: linux-mips@linux-mips.org, Friedrich-Nachtmann.External@infineon.com, kurt@mips.com
In-reply-to: <31E09F73562D7A4D82119D7F6C1729860254C65D@sinse303.ap.infineon.com>
Original-recipient: rfc822;linux-mips@linux-mips.org
References: <31E09F73562D7A4D82119D7F6C1729860254C469@sinse303.ap.infineon.com> <46F390C5.402@mips.com> <31E09F73562D7A4D82119D7F6C1729860254C65D@sinse303.ap.infineon.com>
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KokHow.Teh@infineon.com wrote:
        I need to load the mipsboot into /dev/hda1 that reads the
configuration from /dev/hda1/boot and boots linux kernel from
/dev/hda1/boot/*.

Can you leave a partition without a filesystem? The bootloader image needs to be dropped into a known position and written as a contiguous block...

For comparison the MIPS/TimeSys hard disk configuration:

-bash-3.1# fdisk -l

Disk /dev/hda: 80.0 GB, 80026361856 bytes
16 heads, 63 sectors/track, 155061 cylinders
Units = cylinders of 1008 * 512 = 516096 bytes

   Device Boot      Start         End      Blocks   Id  System
/dev/hda1               1          20       10048+  83  Linux
/dev/hda2              21       15522     7813008   83  Linux
/dev/hda3           15523       31024     7813008   83  Linux
/dev/hda4           31025       71906    20604528    5  Extended
/dev/hda5           31025       31994      488848+  82  Linux swap
/dev/hda6           31995       47496     7812976+  83  Linux
/dev/hda7           47497       62998     7812976+  83  Linux
/dev/hda8           62999       63968      488848+  83  Linux
/dev/hda9           63969       64938      488848+  83  Linux

The first partition is reserved for the bootloader. It doesn't have to the first it was just convienent to me, it could be any, so if you can shuffle the partitions up slightly and have a couple of MBytes at the end perhaps?

        and /dev/hda1 is formatted as ext3 BOOT partition. Is it
possible to do that?

The bootloader will cope with an ext3 filesystem.

Beth


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