From mboxrd@z Thu Jan 1 00:00:00 1970 From: Scott Wood Date: Mon, 14 Mar 2011 13:09:17 -0500 Subject: [U-Boot] p4080ds starts OS with MSR[EE]=1 and DEC armed? In-Reply-To: <6EC57A52-1C75-4F1A-8A43-90A06BB6D11B@kernel.crashing.org> References: <6EC57A52-1C75-4F1A-8A43-90A06BB6D11B@kernel.crashing.org> Message-ID: <20110314130917.718704bf@schlenkerla> List-Id: MIME-Version: 1.0 Content-Type: text/plain; charset="us-ascii" Content-Transfer-Encoding: 7bit To: u-boot@lists.denx.de On Sat, 12 Mar 2011 16:56:09 -0600 Kumar Gala wrote: > > On Mar 3, 2011, at 8:59 AM, Jimi Xenidis wrote: > > > I was surprised to find myself at the decrement interrupt when running my new stuff. > > That is against ePAPR, right? > > Does u-boot at least make sure that the DEC is set to some large value before it leaps at me? > > I don't mind forcing EE=0 but I'd like to make sure I make it that far into the code :) > > -JX > > Jimi, > > Not sure how or why you are seeing this, but u-boot should disable interrupts in common/cmd_bootm.c > > Look for disable_interrupts() -> this should set MSR[EE] = 0. What about the rest of MSR -- ME/CE/DE? -Scott