Re: PowerPC Cache Warning Help Request

2014-10-23 Thread Sebastian Huber
On 23/10/14 19:41, Gedare Bloom wrote: We might consider removing the cache manager in favor of making dcache flush/invalidate and icache invalidate lines part of the score/cpu port (are they the same across cpu's in the same arch family?) No, the caches are highly chip specific. -- Sebastian

Re: Question regarding ns16550

2014-10-23 Thread Sebastian Huber
On 23/10/14 18:12, Daniel Gutson wrote: On Thu, Oct 23, 2014 at 5:47 AM, Sebastian Huber wrote: >Hello Daniel, Hi Sebastian, > >I never notice a problem with this driver. It should only write to the FIFO >in case it is completely empty. Did you observe problems? no, I didn't (actually I

rtems head broken for leon3 smp

2014-10-23 Thread Jennifer Averett
Running the leon3 with grsim fails due to the patch bsp/sparc: Ensure that data cache snooping is enabled It looks like cache snooping is disabled when it is ran for all the tests. Where is this supposed to be set at with this change? jennifer ___ de

Re: PowerPC Cache Warning Help Request

2014-10-23 Thread Gedare Bloom
We might consider removing the cache manager in favor of making dcache flush/invalidate and icache invalidate lines part of the score/cpu port (are they the same across cpu's in the same arch family?) -Gedare On Thu, Oct 23, 2014 at 12:10 PM, Peter Dufault wrote: > >> On Oct 23, 2014, at 09:38 ,

Re: [PATCH 1/2] dosfs: Support ctime and mtime

2014-10-23 Thread Peter Dufault
> On Oct 23, 2014, at 04:50 , Sebastian Huber > wrote: > >> What does it mean "as far as possible"? > > I removed the as far as possible. > > -- I think Sebastian means: "Implement POSIX ctime and mtime updates (as far as possible given FAT restrictions):" I don't think he's remove "the

Re: Question regarding ns16550

2014-10-23 Thread Daniel Gutson
On Thu, Oct 23, 2014 at 5:47 AM, Sebastian Huber wrote: > Hello Daniel, Hi Sebastian, > > I never notice a problem with this driver. It should only write to the FIFO > in case it is completely empty. Did you observe problems? no, I didn't (actually I found this while looking for a serial bug

Re: PowerPC Cache Warning Help Request

2014-10-23 Thread Peter Dufault
> On Oct 23, 2014, at 09:38 , Sebastian Huber > wrote: > >>> What do you mean with "return errors"? Should this be a fatal error or >>> a >>> linker error? >> >> Let's take the simplest case. A CPU with no cache control. Empty stubs is >> the right implementation. >> >> Next up is just enab

Re: PowerPC Cache Warning Help Request

2014-10-23 Thread Joel Sherrill
On October 23, 2014 6:38:27 AM PDT, Sebastian Huber wrote: >On 23/10/14 15:16, Joel Sherrill wrote: >> >> >> On October 23, 2014 1:52:47 AM PDT, Sebastian Huber > wrote: >>> On 21/10/14 04:56, Gedare Bloom wrote: On Mon, Oct 20, 2014 at 5:11 PM, Peter Dufault >>> wrote: >> On

Re: PowerPC Cache Warning Help Request

2014-10-23 Thread Sebastian Huber
On 23/10/14 15:16, Joel Sherrill wrote: On October 23, 2014 1:52:47 AM PDT, Sebastian Huber wrote: On 21/10/14 04:56, Gedare Bloom wrote: On Mon, Oct 20, 2014 at 5:11 PM, Peter Dufault wrote: On Oct 20, 2014, at 16:47 , Joel Sherrill wrote: However, should unimplemented versions re

Re: PowerPC Cache Warning Help Request

2014-10-23 Thread Joel Sherrill
On October 23, 2014 1:52:47 AM PDT, Sebastian Huber wrote: >On 21/10/14 04:56, Gedare Bloom wrote: >> On Mon, Oct 20, 2014 at 5:11 PM, Peter Dufault >wrote: >>> > >>On Oct 20, 2014, at 16:47 , Joel >Sherrill wrote: >> > >>>However, should unimplemented versions return an error i

Re: PowerPC Cache Warning Help Request

2014-10-23 Thread Sebastian Huber
On 21/10/14 04:56, Gedare Bloom wrote: On Mon, Oct 20, 2014 at 5:11 PM, Peter Dufault wrote: > >>On Oct 20, 2014, at 16:47 , Joel Sherrill wrote: >> >>>However, should unimplemented versions return an error instead of being >>>a NOP? That would force one to visit code that makes assumptions

Re: [PATCH 1/2] dosfs: Support ctime and mtime

2014-10-23 Thread Sebastian Huber
On 20/10/14 19:10, Gedare Bloom wrote: What does it mean "as far as possible"? I removed the as far as possible. -- Sebastian Huber, embedded brains GmbH Address : Dornierstr. 4, D-82178 Puchheim, Germany Phone : +49 89 189 47 41-16 Fax : +49 89 189 47 41-09 E-Mail : sebastian.hu...@em

Re: Question regarding ns16550

2014-10-23 Thread Sebastian Huber
Hello Daniel, I never notice a problem with this driver. It should only write to the FIFO in case it is completely empty. Did you observe problems? On 21/10/14 19:32, Daniel Gutson wrote: Hi, in the writing interrupt mode (ns16550_write_support_int), we have for (i = 0; i < out; ++

Re: smpfatal08 fails to build

2014-10-23 Thread Sebastian Huber
On 10/10/14 15:35, Jennifer Averett wrote: Smpfatal08 fails to build on the head with the following configuration: Should be fixed now: http://git.rtems.org/rtems/commit/?id=b4420323ae542d42f5a3569f61c3fa1200802cf9 -- Sebastian Huber, embedded brains GmbH Address : Dornierstr. 4, D-82178 Puc