EclaireXL

09/26/2017

FO 09:35 PM Feature #55: Replace main CPU

OK, fixed step(ii) and some bugs...
Now it starts to get more fun, onto step (iii) foft

09/24/2017

FO 09:55 PM Feature #55: Replace main CPU

Pinned some code from the or1k code base and openocd is running and communicating with the virtual tag I think.
Trying some test commands with it and they seem to make it though, but backwards. Trying to switch jtag shift register dir... foft

09/21/2017

FO 09:46 PM Feature #55: Replace main CPU

Step(i) completed:
Select JTAG chain connected to USB-Blaster [1-1].
Select device: @1: 5CE(BA4|FA4) (0x02B050DD).
(8 bits instruction, 32 bits address, 32 bits data, write 1 bit, size 2 bits)
Write 4 times into my 4 deep fifo...... foft

09/18/2017

91 03:45 AM Feature #55: Replace main CPU

Keep up the good work, foft. We do appreciate all the time and effort you put in!
Thank you. 917k

09/17/2017

SA 04:10 PM Feature #55: Replace main CPU

foft wrote:
> Still on step(i) but progressing well!
Great to hear good news for this, regardless of the time of progress. :-)
sadosp

FO 02:00 PM Feature #55: Replace main CPU

Still on step(i) but progressing well! foft

09/14/2017

FO 07:23 PM Bug #59 (Closed): Game test: Crownland

foft

09/12/2017

AD 11:24 AM Bug #59: Game test: Crownland

Save the video settings (yeah I know that doesn't make sense!) admin

JO 06:37 AM Bug #59: Game test: Crownland

Yes, it was the memory. Maybe I pushed the reset button after I set the memory. Sorry for the false alarm.
Btw. Is there a way to store the setting I make on the F12 screen? jozsef

09/10/2017

FO 09:24 PM Feature #55: Replace main CPU

I read up on the 'altera virtual jtag' and think I now understand how to get this connected, at least in theory.
I guess next steps that might make sense are:
i) Build a core with virtual jtag and signal tap and try to send it equiv... foft

09/08/2017

SA 10:21 PM Feature #55: Replace main CPU

:-)
sadosp

FO 10:06 PM Feature #55: Replace main CPU

Been trying out openocd locally with the cpu running in verilator. gdb connects, code loads and runs. Pretty cool! OK I just ran some commands as documented but I'm still pleased:-)
I'm very impressed with this riscv cpu project - see... foft

JO 06:37 AM Bug #59: Game test: Crownland

I feel myself sooooo dumb, if it is the reason. I have no access to my gear till next week, but that will be the first thing to check.
Sorry! jozsef