On Tue, Aug 21, 2012 at 10:52 AM, Spencer Oliver <[email protected]> wrote: > On 21 August 2012 08:26, Andreas Fritiofson > <[email protected]> wrote: >> >> Actually, the endianness seems fine, it's just that only the last of >> the accesses in arm7_9_read_memory() actually produces any data for >> size 1 or 2. At most 14 accesses are performed each round so a long >> dump of halfwords or bytes has every 14th element correct, the rest >> are zero. >> >> Every round, all of the accesses are loaded into separate registers >> and then all used registers are dumped to host in one operation. I >> didn't have time to examine whether the registers are loaded >> incorrectly or if it's the register dump that doesn't work for less >> than size 4. >> >> I have found a workaround that can be used as a quick-fix if we don't >> want to delay the release process. It's a quick-fix in the sense that >> it doesn't solve the underlying problem and it has a performance >> penalty (limits to one access per round). >> >> I'll push the workaround this evening after work and I'll also try to >> debug the issue further. >> > > I did a quick test and reverting the following commit's fix all the > issues i see: > > 991ed5a2b657e660f744eefddb084724e52938ea > cb90d32e386a7489d31136997209c61e9559ff5e > c3074f377c1da33ca8ba8493826e1b52351eebc6 > > we can always use this as a fallback. > > Spen
I found the problem and made a proper fix instead: http://openocd.zylin.com/789 Please try this on both arm7 and arm9. I've tested on an str750 but I don't have any arm9 available. Easiest way to test is to fill a chunk of memory with known data and read it out with mdw/mdh/mdb with various counts. The memory contents should be consistent in all cases. /Andreas ------------------------------------------------------------------------------ Live Security Virtual Conference Exclusive live event will cover all the ways today's security and threat landscape has changed and how IT managers can respond. Discussions will include endpoint security, mobile security and the latest in malware threats. http://www.accelacomm.com/jaw/sfrnl04242012/114/50122263/ _______________________________________________ OpenOCD-devel mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/openocd-devel
