This is the mail archive of the
ecos-discuss@sources.redhat.com
mailing list for the eCos project.
Re: MIPS32 gdb vectors question
Tim Michals wrote:
> Ok, I have narrowed down the problem
> 1) Using a ROMRAM configuration for MIPS32 and had to change
> to
> hal_vsr_table = 0x80000300;
> hal_virtual_vector_table = 0x80000400;
> from:
> hal_vsr_table = 0x80000200;
> hal_virtual_vector_table = 0x80000300;
> A slight collision with the debug vector.
>
> 2) had a memory configuration issue pushing the _hal_registers past memory.
> (Fixed(
Ah, both things specific to your platform then.
> 3) GDB issue using 3.2
> Ignoring packet error, continuing...
> Remote packet too long:
[snip]
> The serial baudrate is 38400, it gets past several packets (changeThread,
> Query, etc), then GDB requests for registers and then the HAL dumps this
> message to gdb and gdb does not like it. Have you seen this? sugguestions?
Yes. GDB is expecting 32-bit registers and the stub for mips32 gives it
64-bit. Look at the grotty ifdefs in hal/mips/arch/current/include/mips-stub.h
Nick was doing a patch for this I thought, so I've prodded him a little :-).
Jifl
--
eCosCentric http://www.eCosCentric.com/ The eCos and RedBoot experts
--[ "You can complain because roses have thorns, or you ]--
--[ can rejoice because thorns have roses." -Lincoln ]-- Opinions==mine
--
Before posting, please read the FAQ: http://sources.redhat.com/fom/ecos
and search the list archive: http://sources.redhat.com/ml/ecos-discuss