On Mar 12, 2011, at 4:56 PM, 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.
Sorry, this is my brain fart. I was running my unit tests (on SimiCS p4080ds) and when I set MSR[EE]=1 to get a doorbell, I got a DEC (as one should according to interrupt order). Turns out that TSR[DIS] was on when my program took over, and this is ePAPR legal. I need to reset the DEC in my code. Sorry for the confusion. -JX > > - k > _______________________________________________ > U-Boot mailing list > U-Boot@lists.denx.de > http://lists.denx.de/mailman/listinfo/u-boot _______________________________________________ U-Boot mailing list U-Boot@lists.denx.de http://lists.denx.de/mailman/listinfo/u-boot
