[ECOS] ARM Assabet software interrupts

[Jonathan Larmour]

Vlasios Tsiatsis wrote:
> 
> Hi,
> 
> I would like to define an interrupt handler (ISR and DSR) for a software
> interrupt for the ARM processor on the assabet board.
> If i use the cyg_interrupt_create() function what should i do so that i
> install an interrupt
> handler for, say, the software interrupt #5 ?

You can probably find the interrupt in question by looking at (in this
case) hal/arm/sa11x0/var/current/include/hal_var_ints.h file.

> My problem is that i don't understand (i haven't looked at the source
> code yet) how the demultiplexing of software interrupts is done. Should
> i give the number 5 as the interrupt handler data to the
> cyg_interrupt_create() function ?

The data argument is whatever you want to be delivered at the point the ISR
is called. It's up to you.

Jifl
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