On Tue, Jun 24, 2008 at 02:52:16PM +0100, trollepi jj wrote: > > Thanks for your quick reply. > > I try to implement a simple mecanism of signal on arm7 (I've done it with the > synthetic target before -playing > with EBP and ESP - and it works well). I agree that an interrupt is anonymous > but when a context switch happens > (clock interrupt). But where the informations of the current are stored in > order to it gets back and continues its execution? > There is "obviously" a place in the thread stack or in an other structure to > retrieve this information.
Why are you assuming you are in thread context when the interrupt happens? It could be in nested interrupt. It could be in a DSR.... Why not just use real signals as eCos implements? Andrew -- Before posting, please read the FAQ: http://ecos.sourceware.org/fom/ecos and search the list archive: http://ecos.sourceware.org/ml/ecos-discuss
