Re: [microblaze-uclinux] xenet_FifoSend(struct sk_buff *orig_skb,structnet_device*dev)

["Jim Law" <jlaw@xxxxxxxxxxxxx>]

Hi again,

I kept the meaning of the parameters identical, even though they are now 
more constrained (parm1 must be equal to parm2 + 2, parm2 must be word 
aligned).

I just placed the assly_movhalf.S file in arch/microblaze/lib and mod'd the 
Makefile to build it, then changed the one line in 
drivers/net/xilinx_enet/adapter.c as noted.  No other (new) changes.  I do 
have the assembler do_csum and memcpy active in my build at the moment.

As my system is working, I'm not really able to debug a lot <G>.

When testing the assembler memcpy, I wrote a C wrapper function that called 
the assembler version (temp renamed as amemcpy) and did a byte-by-byte check 
of the copy results, giving me a summary of the call and failure when the 
results weren't as expected.  Perhaps that's a quick way to check out what's 
happening for you?

Jim


----- Original Message ----- 
From: "Brettschneider Falk" <fbrettschneider@xxxxxxxxxxxxxxx>
To: <microblaze-uclinux@xxxxxxxxxxxxxx>
Sent: Wednesday, April 30, 2008 10:45 AM
Subject: RE: [microblaze-uclinux] xenet_FifoSend(struct sk_buff 
*orig_skb,structnet_device*dev)


> Hi,
>
> Jim Law wrote:
> > Here's a real one - I tested it this time then built it into
> > the kernel
> Thanks!
>
> > it seems to work after replacing the call to memmove() with a call to
> > move_halfword_higher() in FifoRecvHandler() in
> > drivers/net/xilinx_enet/adapter.c.
> Should I just replace string memmove by move_halfword_higher? Or have you 
> changed the meaning of the 3 parameters, too? Anyway after replacing the 
> function name, my network is broken. Seems to have a bug still...
>
> > You had mentioned drivers/net/xilinx_emac/adapter.c in your
> > previous email,
> > but my uClinux-2.4.x doesn't seem to have that directory.  I
> > am not using
> > the emaclite, although I assume there is a similar place
> > there that this new
> > function might be useful.
> I have kernel 2.6 of last MMUless-PetaLinux.
>
> CU, Falk
>
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