Hi Erwin, Inw/outw works fine in this EBI zone if the access is through a driver (inw/outw coded within a driver) and fault if it's coded within an application.
Thanks. -----Mensaje original----- De: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED] En nombre de Erwin Authried Enviado el: lunes, 09 de julio de 2007 12:13 Para: uClinux development list Asunto: Re: [uClinux-dev] ARM EBI access in 8/16/32 bits Am Freitag, den 06.07.2007, 11:02 +0200 schrieb rflores: > Hi all, > > > > I use in my board a specific HW, in the code I use the > macros inb/outb for 8 bits, inw/outw for 16bits and inl/outl for > 32bits. When I try to read/write in a 16bits register in this HW with > inw/outw the ARM divides the access into two of 8bits, I have checked > this with a logic analyzer. My HW only supports 16bit accesses. > > > > What is the problem? Should I specify something within the Makefile? > In other code-application compiled using the Keil compiler the 16bit > accesses are performed with a pointer like as *(volatile unsigned > short *) and works correctly. That's exactly what inw/outw should end up in uClinux too. Maybe your EBI setup is wrong when you use uClinux? Have you figured out with the disassember how your inw/outw are compiled? Regards, Erwin _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev _______________________________________________ uClinux-dev mailing list uClinux-dev@uclinux.org http://mailman.uclinux.org/mailman/listinfo/uclinux-dev This message was resent by uclinux-dev@uclinux.org To unsubscribe see: http://mailman.uclinux.org/mailman/options/uclinux-dev
