Possibly because the ISR is not in the interrupt vector table.  Lookup
IRQ_plug, for more information.

Robert

www.gldsp.com

ajith_cet@SoftHome.net (Ajith) wrote:

>Hi all,
>     I am trying to post a software interrupt from an interrupt
>service routine of a hardware interrupt which comes every 7 micro
>seconds. I post the SWI only when a particular condition is met in the
>isr.
>     But after this SWI interrupt gets posted the program hangs...on
>halting i could see that the program is running on a self loop (a
>branch instruction to its location) called F_BXN_Selfloop(not
>mine...its from DSP/BIOS). Actually the SWI_post(I single stepped
>through it after breaking) function has run and the SWI has become
>ready(viewed in kernel/Object view). After the SWI has become ready my
>isr runs one more times and then everything stops and program is in
>self loop
>     My isr takes 2 microseconds to run...written in assembly...i am
>working with TMS320C5510. Does any body has any clue
>Thanks in advance
>bye
>Ajith


( modify address for return email )

www.numbersusa.com
www.americanpatrol.com

Hi all,
     I am trying to post a software interrupt from an interrupt
service routine of a hardware interrupt which comes every 7 micro
seconds. I post the SWI only when a particular condition is met in the
isr.
     But after this SWI interrupt gets posted the program hangs...on
halting i could see that the program is running on a self loop (a
branch instruction to its location) called F_BXN_Selfloop(not
mine...its from DSP/BIOS). Actually the SWI_post(I single stepped
through it after breaking) function has run and the SWI has become
ready(viewed in kernel/Object view). After the SWI has become ready my
isr runs one more times and then everything stops and program is in
self loop
     My isr takes 2 microseconds to run...written in assembly...i am
working with TMS320C5510. Does any body has any clue
Thanks in advance
bye
Ajith