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Re: fis free command
- From: "Chris Garry" <cgarry at sweeneydesign dot co dot uk>
- To: "Gary Thomas" <gary at mlbassoc dot com>
- Cc: "eCos Discussion" <ecos-discuss at sources dot redhat dot com>
- Date: Sat, 1 Nov 2003 11:32:38 -0000
- Subject: Re: [ECOS] fis free command
- Organization: Sweeney Design
- References: <003c01c39fdc$bc7631f0$500ba8c0@jasper> <1142.62.166.230.82.1067673372.squirrel@www.chez-thomas.org>
- Reply-to: "Chris Garry" <cgarry at sweeneydesign dot co dot uk>
----- Original Message -----
From: "Gary Thomas" <gary@mlbassoc.com>
To: "Chris Garry" <cgarry@sweeneydesign.co.uk>
Cc: "eCos Discussion" <ecos-discuss@sources.redhat.com>
Sent: Saturday, November 01, 2003 7:56 AM
Subject: Re: [ECOS] fis free command
> Chris Garry said:
> > I just re-built RedBoot and noticed a small problem with the fis free
> > command. Output from RedBoot below:
> >
> > -- Begin --
> > RedBoot(tm) bootstrap and debug environment [ROM]
> > Non-certified release, version E7T-DBoard - built 16:51:24, Oct 31 2003
> >
> > Copyright (C) 2000, 2001, 2002, Red Hat, Inc.
> >
> > RAM: 0x00000000-0x00080000, [0x00017cc8-0x0006f000] available
> > 0x01900000-0x03900000, [0x01900000-0x03900000] available
> > FLASH: 0x01800000 - 0x01880000, 128 blocks of 0x00001000 bytes each.
> > RedBoot> fis free
> > 0x0183B000 .. 0x0187E000
> > 0x01880000 .. 0x0187FFFF
> > RedBoot>
> > -- End --
> >
> > The last line of output from the fis free command
> > (0x01880000 .. 0x0187FFFF) is bogus since the highest FLASH address
> > is 0x0187FFFF.
> >
> > Has this been seen on other platforms?
>
> No. What does 'fis list' show?
>
RedBoot> fis free
0x0183B000 .. 0x0187E000
0x01880000 .. 0x0187FFFF
RedBoot> fis list
Name FLASH addr Mem addr Length Entry point
(reserved) 0x01800000 0x01800000 0x00010000 0x00000000
RedBoot[post] 0x01810000 0x01810000 0x00020000 0x00000000
support.fpga 0x01830000 0x01900000 0x0000B000 0x01900000
RedBoot config 0x0187E000 0x0187E000 0x00001000 0x00000000
FIS directory 0x0187F000 0x0187F000 0x00001000 0x00000000
RedBoot>
> Note: 'fis free' has recently been changed to believe the values in
> the fis directory. If it is incorrect, then all bets are off. A
> configuration control can be used to restore the previous [dubious]
> behaviour.
I rebuilt RedBoot with CYGDAT_REDBOOT_FIS_MAX_FREE_CHUNKS
disabled and 'fis free' worked correctly. I agree that the new 'fis free'method is
better so I'll have a look at what is going wrong on my target.
Chris
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