Hi Stefan

today we tried with De0 Nano and we couldn't even stop at breakpoints. Any
changes that could have caused this since last time ?

Thanks

Jose




On Sat, May 3, 2014 at 4:21 PM, Jose Teixeira de Sousa <[email protected]>wrote:

>
>
> ---------- Forwarded message ----------
> From: Jose Teixeira de Sousa <[email protected]>
> Date: Sat, May 3, 2014 at 4:20 PM
> Subject: Re: mor1kx debug (was [RFC] or1k atomic operation instructions)
> To: Stefan Kristiansson <[email protected]>
>
>
> Stefan,
>
> it worked with Verilator too! Thanks. I updated branch
> https://github.com/jjts/orpsoc-cores/tree/icarus as you were right about
> or1200 specificity.
>
> Unfortunately it does not load the elf file for now but you can load it
> with gdb. Here's how to run it now if you need:
>
> fusesoc sim --force --sim verilator de0_nano_sim  -d -j
>
> In another term do:
> src/openocd -f tcl/interface/jtag_vpi.cfg -f tcl/board/or1k_generic.cfg
>
> (make sure JTAG tap is set to MOHOR)
>
> Transcript of gdb session:
>
> (gdb) set remotetimeout unlimited
> (gdb) target remote :3333
> Remote debugging using :3333
> 0x00000108 in __reset ()
> (gdb) load hello_func
> Loading section .vectors, size 0x2000 lma 0x0
> Loading section .init, size 0x28 lma 0x2000
> Loading section .text, size 0x1735c lma 0x2028
> Loading section .fini, size 0x1c lma 0x19384
> Loading section .rodata, size 0x131c lma 0x193a0
> Loading section .eh_frame, size 0x4 lma 0x1c6bc
> Loading section .ctors, size 0x8 lma 0x1c6c0
> Loading section .dtors, size 0x8 lma 0x1c6c8
> Loading section .jcr, size 0x4 lma 0x1c6d0
> Loading section .data, size 0xa40 lma 0x1c6d4
> Start address 0x100, load size 110868
> Transfer rate: 474 bytes/sec, 7391 bytes/write.
> (gdb) l
> 5 //  c = c + 1;
> 6 //  return c;
> 7 //}
> 8
> 9 main(){
> 10  //int i;
> 11  // for (i=0; i<1; i++)
> 12  // printf("Hello, World!\r\n");
> 13
> 14  int a = 3;
> (gdb)
> 15  printf("a = %d\r\n", a);
> 16  int b = 6;
> 17  printf("b = %d\r\n", b);
> 18
> 19  int c, d;
> 20
> 21  c = a + b;
> 22
> 23  d = a*b;
> 24
> (gdb)
> 25  //  c = foo(c);
> 26  scanf("%d" , &c);
> 27  printf("Hello: c = %d\r\n", c);
> 28  exit(0);
> 29 }
> (gdb)
> Line number 30 out of range; hello_func.c has 29 lines.
> (gdb) b 17
> Breakpoint 1 at 0x240c: file hello_func.c, line 17.
> (gdb) c
> Continuing.
>
> [Remote target] #1 stopped.
> main () at hello_func.c:17
> 17  printf("b = %d\r\n", b);
> (gdb) n
>
> [Remote target] #1 stopped.
> main () at hello_func.c:21
> 21  c = a + b;
> (gdb) quit
>
>
> Regards
>
> Jose
>
>
>
>
>
>
>
>
>
> On Thu, May 1, 2014 at 10:00 PM, Stefan Kristiansson <
> [email protected]> wrote:
>
>> On Thu, May 1, 2014 at 10:45 AM, Stefan Kristiansson
>> <[email protected]> wrote:
>> >
>> > Yes, I can now reproduce the behaviour above with mor1kx with the
>> > de0_nano board.
>> > I'll investigate further.
>> >
>>
>> I've pushed a couple of commits to openrisc/mor1kx that should fix it,
>> at least my test cases works now.
>> Could you please give it a try and confirm that it works for you too now?
>>
>> Stefan
>>
>
>
>
> --
> Jose T. de Sousa, PhD
> Office: +351 213 100 213
> R. Alves Redol 9
> 1000-029 Lisboa
> Portugal
>
>
>
> --
> Jose T. de Sousa, PhD
> Office: +351 213 100 213
> R. Alves Redol 9
> 1000-029 Lisboa
> Portugal
>



-- 
Jose T. de Sousa, PhD
Office: +351 213 100 213
R. Alves Redol 9
1000-029 Lisboa
Portugal
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