> The patch only implements it for "server/classic" processors, not BookE, > thus it should probably only advertise it for these :-) > > Though it wouldn't be too hard to implement it for BookE using DBCR0:BRT > (Branch Taken debug event) though it might need some careful fixups such > as the one we have for single step regarding hitting exception entry > code.
In that case, this code seems fairly mysterious: > > +#if defined(CONFIG_40x) || defined(CONFIG_BOOKE) > > + task->thread.dbcr0 = DBCR0_IDM | DBCR0_BT; > > + regs->msr |= MSR_DE; That doesn't already do whatever it is you described? Can we assume now that you or someone else who knows what all that means will take this up? Thanks, Roland