From mboxrd@z Thu Jan 1 00:00:00 1970 From: Wolfgang Denk Date: Wed, 06 Aug 2008 22:17:56 +0200 Subject: [U-Boot-Users] [PATCH][FOR 1.3.4] 85xx: Don't move interrupt vector to low memory In-Reply-To: Your message of "Wed, 06 Aug 2008 14:49:33 CDT." <9D199630-11FA-4028-8EE6-CBC59F6F67A0@kernel.crashing.org> Message-ID: <20080806201756.3162124885@gemini.denx.de> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de 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 Life is a game. Money is how we keep score. - Ted Turner