how can I catch an interrupt signal?

[Eric Valette]

alberto capella wrote:
> 
> Nick.SIMON at syntegra.bt.co.uk escribió:
> 
> > > -----Original Message-----
> > > From: alberto capella [mailto:alberto.capella at terra.es]
> > > Sent: 07 October 2000 12:49
> > > To: rtems-users at oarcorp.com
> > > Subject: how can I catch an interrupt signal?
> > >
> > <snip>
> > >
> > >   resul=rtems_interrupt_catch(sb16_isr,0x34,&old_isr_handler);
> > >
> >
> > How do you connect IRQ 5 with the 0x34 RTEMS vector you're attaching your
> > ISR to?  And BTW which BSP are you using?
> >
> > -- Nick Simon
> 
> I'm using the pc386 BSP. My host computer is a i686 running Linux and the
> target machine is a Pentium-MMX.
> 
> I ´d like to know what is the second parameter I have to pass to the
> rtems_interrupt_catch directive if my SB is connected to the IRQ 5, so, what
> is the value of the "rtems_vector_number  vector"  I have to use?
> 
> Not only I'd like to know this, but also  if I have to use some special
> CFLAGS in my Makefile to do my program run correctly.

On PC386, rtems_interrupt_catch is no more the correct interface. The
correct interface is described in
c/src/lib/libbsp/i386/shared/irq/irq.h. If you really want to hook your
interrupt vectors directly in the IDT then look in
c/src/lib/libcpu/i386/idt.c and understand that _CPU_ISR_install_vector
is there only for compatibility reasons...

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