From: Wolfgang Denk <wd@denx.de>
To: u-boot@lists.denx.de
Subject: [U-Boot-Users] [PATCH][FOR 1.3.4] 85xx: Don't move interrupt vector to low memory
Date: Wed, 06 Aug 2008 22:17:56 +0200 [thread overview]
Message-ID: <20080806201756.3162124885@gemini.denx.de> (raw)
In-Reply-To: Your message of "Wed, 06 Aug 2008 14:49:33 CDT." <9D199630-11FA-4028-8EE6-CBC59F6F67A0@kernel.crashing.org>
In message <9D199630-11FA-4028-8EE6-CBC59F6F67A0@kernel.crashing.org> you wrote:
>
> > Good point. Why don't we factor this out and make it common code for
> > all PPC?
>
> Because the relocation is specific to the various interrupt types.
> Book-E will need different code for handing IVPR/IVORs than classic.
Umm... the exception code itself may be different, but does this imply
that the code used to copy / relocate the exception handlers to low
mem must be different, too?
> > Maybe. But then, these can use exception vectors at low mem, too,
> > right?
>
> They can, but it has to be setup.
What is Linux doing?
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: wd at denx.de
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next prev parent reply other threads:[~2008-08-06 20:17 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
2008-08-06 6:28 [U-Boot-Users] [PATCH][FOR 1.3.4] 85xx: Don't move interrupt vector to low memory Kumar Gala
2008-08-06 6:50 ` Wolfgang Denk
2008-08-06 12:58 ` Kumar Gala
2008-08-06 14:42 ` Wolfgang Denk
2008-08-06 19:32 ` Scott Wood
2008-08-06 19:41 ` Jerry Van Baren
2008-08-06 19:46 ` Wolfgang Denk
2008-08-06 19:49 ` Kumar Gala
2008-08-06 20:17 ` Wolfgang Denk [this message]
2008-08-06 20:34 ` Kumar Gala
2008-08-06 20:41 ` Wolfgang Denk
2008-08-06 20:46 ` Kumar Gala
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