Re: Writing an ISR in pure assembly
Hynek Sladky <[email protected]>
| Newsgroups | gmane.comp.hardware.texas-instruments.msp430.gcc.user |
|---|---|
| Message-ID | <[email protected]> |
Hi Wayne,
have You tried __attribute__ ((naked)) ? This makes function without any
push/pop... just return. Inside body use asm (" ... ");
Hynek
Dne 11.12.2013 4:48, Wayne Uroda napsal(a):
> Hello,
>
> I am trying to port FreeRTOS to the MSP430F5519.
>
> In order to write the context switching part, I need to write a timer
> interrupt service routine in pure assembly (the compiler right now is doing
> some extra push before I can do anything in the ISR, even with nothing in
> the body...)
>
> How can I place a function (defined in an assembly file) into the vector
> table?
>
> Thanks,
>
> - Wayne
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