On 09/11/07 12:46 -0700, Myles Watson wrote: > On 11/9/07, Jordan Crouse <[EMAIL PROTECTED]> wrote: > > By popular request, this is a patch to buildrom adding support for > > the AMD SimNow simulator. Basically, it patches LinuxBIOS to work > > around a few SimNow related quirks that are currently in the > > public version of SimNow. The quirks themselves have been reported, > > and hopefully will be fixed in future releases. > > > > What is SimNow, and why does it rock, you might ask? SimNow (TM) is > > a processor simulator that we have developed at AMD. Its a great way > > to simulate the processor / chipset boot process and develop LinuxBIOS > > and payloads, because it features an integrated debugger, and its easy > > to fix when you brick the thing (just hit reset). There is a public > > version here: > > > > http://developer.amd.com/simnow.jsp > > > > For the more commercial customers out there, there is also a NDA > > version that has support for more processors (contact your friendly > > AMD representative for more information). I'll put this information > > on the wiki as well, for posterity. > > > > Myles and other SimNow users - let me know if this works. > > It doesn't work for me yet. > 1. It still resets (I comment out the actual soft reset, not the > needs_reset calculation when I do it)
It will reset once - it shouldn't reset repeatedly (doesn't on my test setup). I haven't tried the public version yet, I'll do that. The issue is on the non-coherent devices - the coherent ones should optimize correctly - if they don't, thats a way bigger problem. > 2. You modify generic-linuxbios.mk instead of a specific one for the > target (see my earlier patch) > 3. I'd like it if it depended on either serengeti-cheetah config > option (also in the earlier patch) Yes - I haven't refactored against your previous patch. Its still in my queue. > I haven't run into the other issues (beside the reset), so I don't > know how to test them. If it boots quickly, then you don't hit the other problem. If the thing grinds to a halt then you hit it. -- Jordan Crouse Systems Software Development Engineer Advanced Micro Devices, Inc. -- linuxbios mailing list linuxbios@linuxbios.org http://www.linuxbios.org/mailman/listinfo/linuxbios
