From mboxrd@z Thu Jan 1 00:00:00 1970 From: Grant Edwards To: Bart Veer Cc: ecos-discuss@sourceware.cygnus.com Subject: Re: [ECOS] Re: Ethernet and Serial drivers for Linux target? Date: Thu, 11 Nov 1999 09:45:00 -0000 Message-id: <19991111114526.B29982@visi.com> References: <19991110143853.A18972@visi.com> <382AF88B.95F35E45@cygnus.co.uk> <19991111112313.A28718@visi.com> <199911111737.RAA02373@sheesh.cygnus.co.uk> X-SW-Source: 1999-11/msg00043.html On Thu, Nov 11, 1999 at 05:37:29PM +0000, Bart Veer wrote: > It may be better to look at syscall-i386-linux-1.0.S in the synthetic > target HAL sources. I've browsed through there already, and that looks like a good starting point. > Note that if you want more realistic device driver behaviour, with > interrupts etc., Naturally one would. > then you will want to experiment with asynchronous I/O, SIGIO > signals, etc. Never done async I/O before, never done direct system calls before, been using eCOS for two weeks. I'm practically an expert. > If an eCos thread performs a blocking Linux read() syscall then you > will block the entire eCos application, which is probably not what > you want. Of course not. > Of course this makes the problem a bit more challenging :-) If was easy everybody could do it, and then how could I walk around feeling so superior? -- Grant