From: Ralf Baechle <ralf@linux-mips.org>
To: Stanislaw Skowronek <sskowron@ET.PUT.Poznan.PL>
Cc: linux-mips@linux-mips.org
Subject: Re: 32-bit ABI
Date: Sat, 24 Apr 2004 10:14:05 +0200 [thread overview]
Message-ID: <20040424081405.GA26165@linux-mips.org> (raw)
In-Reply-To: <Pine.GSO.4.10.10404240945500.14182-100000@helios.et.put.poznan.pl>
On Sat, Apr 24, 2004 at 09:46:46AM +0200, Stanislaw Skowronek wrote:
> > > Ah, so it's like that. Great. Is the ELF64 support still not correct?
> > No, it's supposed to be working now.
>
> OK. File it away under 'compatibility cruft' then ;)
The size difference this makes is still very significant. In case of an
IP27 kernel default config:
text data bss dec hex filename
2626662 747232 165760 3539654 3602c6 vmlinux
2907645 1283808 165760 4357213 427c5d vmlinux
The first kernel was built with the stock Makefile; the second was modified
to use 64-bit ELF using gcc 2.95.4 / binutils 2.13.2.1. So I'd call those
817559 bytes kernel obesity ;)
> > > Well, as far as I know, and I'm probably right, it _does_ have some memory
> > > there. A whopping 16 kilobytes of memory mirrored by the HEART to allow
> > > placing exception vectors there (what a weird idea).
> > That's what the processor expects.
>
> Yeah. The weirdness is not in that part; what's weird is placing the rest
> of memory somewhere else.
Not uncommon on SGI systems. The Indy's memory also starts at 128MB; only
a few kB for exeption vectors are mirrored to physical address 0.
Ralf
next prev parent reply other threads:[~2004-04-24 8:14 UTC|newest]
Thread overview: 29+ messages / expand[flat|nested] mbox.gz Atom feed top
2004-04-23 8:02 MC Parity Error Florian Lohoff
2004-04-23 13:11 ` Maciej W. Rozycki
2004-04-23 16:45 ` Ralf Baechle
2004-04-23 17:11 ` Maciej W. Rozycki
2004-04-23 20:43 ` Dominic Sweetman
2004-04-23 21:06 ` Maciej W. Rozycki
2004-04-24 6:28 ` 32-bit ABI Stanislaw Skowronek
2004-04-24 7:09 ` Thiemo Seufer
2004-04-24 7:17 ` Ralf Baechle
2004-04-24 7:31 ` Stanislaw Skowronek
2004-04-24 7:38 ` Ralf Baechle
2004-04-24 7:46 ` Stanislaw Skowronek
2004-04-24 7:51 ` Maciej W. Rozycki
2004-04-24 7:55 ` Ralf Baechle
2004-04-24 8:07 ` Maciej W. Rozycki
2004-04-24 8:14 ` Stanislaw Skowronek
2004-04-24 8:18 ` Ralf Baechle
2004-04-24 8:23 ` Maciej W. Rozycki
2004-04-24 8:26 ` Ralf Baechle
2004-04-24 8:49 ` Maciej W. Rozycki
2004-04-24 8:14 ` Ralf Baechle [this message]
2004-04-24 8:17 ` Stanislaw Skowronek
2004-04-24 8:26 ` Thiemo Seufer
2004-04-24 7:37 ` Thiemo Seufer
2004-04-24 7:18 ` Maciej W. Rozycki
2004-04-24 7:34 ` Stanislaw Skowronek
2004-04-24 7:44 ` Ralf Baechle
2004-04-24 7:47 ` Stanislaw Skowronek
2004-04-24 7:48 ` Maciej W. Rozycki
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