| Commit message (Collapse) | Author | Age | Files | Lines |
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I've fixed a few minor probs with the optimised version that Eric put
together for me the other day and sent the fixes back to him. Provided he
doesn't have a problem with it we've got a pretty solid in_cksum for the
ColdFire as well as straight m68k. I've enclosed my updated in_cksum_m68k.c
At the moment my own bottlenecks are elsewhere...as my driver is pulling
16bit data chunks through a libchip-esq access routine from the chip which
for a polled I/O device is never going to be quick.
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If you're getting close to a new snaphot, here's something that
might be useful to add to the BSP README notes for systems with
networking.
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for the ColdFire.
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I have managed to build the bsp ods68302 and the rtti test case I made
with egcs-1.1b and binutils-2.9.1.
I have built our C++ application and got no link errors so it looks like
this is now working. I am yet to test the code but getting the thing to
link was the problem.
Please find a patch attached which removes the -fno-rtti option.
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in a previous patch. Comments from Eric:
patch_com2 was before your own fixes of raw IDT vector management
routine.
It mainly use human readable constants for the serial line driver code
+ the patch you gave me for com2 write routine.
I applied your patch for raw IDT mngt on top of that. Then made minor
cleaning in patch_idt_mngt. I hope this helps.
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message after comments from Eric Valette <valette@crf.canon.fr>.
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After some good comments from Eric Norum [thanks, Eric !],
I have added some modifications to my previous driver patch :
- wait for transmitter ready before sending a packet,
- new delay management in case of ring-overwritting.
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I have reworked the ethernet driver for the BSP pc386 and
here is the patch to apply.
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Eric> NB : there is still a bug on PC386 serial line : exit does not
Eric> flush the remaining output queue. As this is not a bug in the
Eric> driver itself but somewhere in PC386 initialization/termios
Eric> relationship it will be part of another patch.
Eric> NB2 : As Emmanuel excerced the exception hanlder code, while
Eric> porting the SMC driver to the new BSD stack, we found a bug
Eric> in the exception handler : it shall not delete the current
Eric> thread in case we are running at interrupt level. This will
Eric> be part of another patch...
So here is the patch. This patch fixes the two problems mentionned above
+ it use vpath mechanism intead of copying the irq related files in
the right directory. This avoid to compile them each time and is
more homogenous with other Makefiles.
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Here is a brief description of the attached patch :
1) There was a bug in the code for the COM2 serial line driver. Aleksey
gave me a fix that fixes the driver code itself. I would like to thank
him again publicly,
2) I introduced constants in the serial driver code because I had a hard
time reading the meanning of hexadecimal values in the NS data book :)
3)You can now mix printk and printf on serial line (tested on COM2).
There is a #ifdef PRINTK_ON_SERIAL in console.c that enables to have
printk on console while printf on serial line,
4) Removed call to displayCpuInfo because anyway if was at the wrong
place for serial line console (too early). It can anyway be called at
application level,
5) The original printk was unable to display negative integer values
and was also recursive. It now works corectly,
All the modifications have been tested here on the COM2 port from
a PC running RTEMS to a PC running linux,
NB : there is still a bug on PC386 serial line : exit does not flush the
remaining output queue. As this is not a bug in the driver itself but
somewhere in PC386 initialization/termios relationship it will be part
of another patch.
NB2 : As Emmanuel excerced the exception hanlder code, while porting the
SMC driver to the new BSD stack, we found a bug in the exception
handler : it shall not delete the current thread in case we are running
at interrupt level. This will be part of another patch...
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I think I figured out why rtems_panic was locking up instead of
shutting down the executive and returning to the code that called
boot_card().
Later on there is code to print some messages on the standard error
stream, a recursive call back to rtems_verror (through rtems_error)
and finally a call to _exit().
I think that the _Thread_Disable_dispatch() is preventing the final
context switch back to the boot_card() code. Does this sound right
to you?
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functions.d
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Reviewed log_close.
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part of the review.
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Added notes on background and operations sections.
Added NOTE to indicate the feature flag defined.
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Celso Labinaz <labinaz@tin.it> pointed to me thatthe console on serial
line was not working. After spending quite a time to find the right
cable and software, I confirm this.
I'm going to debug this in the next days because I want to use the
serial line for debugging. In the meantime, in order to be sure that
this was a driver initialization/bug, I made printk work on the serial
line in order to be sure the receiver part and configuration was OK.
Here is the for printk on serial line. BTW, does anyone else use the
serial line facilities for PC? printf seems to output nothing (hello.exe
output everything that has a printk but application printf seems to be
broken).
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