> From: Maxime Bizon [mailto:mbizon@xxxxxxxxxx] > Sent: Friday, February 13, 2009 5:44 AM > To: David VomLehn (dvomlehn) > Cc: linux-mips@xxxxxxxxxxxxxx; ralf@xxxxxxxxxxxxxx; David Daney > Subject: Re: [PATCH] MIPS: Allocate exception vector on 64 > KiB boundary > > > On Fri, 2009-01-30 at 13:43 -0500, David VomLehn (dvomlehn) wrote: > > > Fix problem with code that incorrectly modifies ebase. > > > > Commit 566f74f6b2f8b85d5b8d6caaf97e5672cecd3e3e had a change that > > incorrectly > > modified ebase. This backs out the lines that modified > ebase and then > > modified > > I confirm this commit prevents my 4kec board from booting. > > My c0_ebase is set to 0x90000000. > > In trap_init() ebase is first set to CAC_BASE => 0x80000000, then > 0x90000000 after adding c0_ebase offset. > > set_uncached_handler() starts with uncached_ebase sets to > KSEG1ADDR(ebase) => 0xb0000000, which is already the correct > value, but > it then add the c0_ebase offset again => 0xc0000000 => boom. Can you confirm that the patch fixes your problem?
