Hi Ian, On 25/09/15 17:36, Ian Campbell wrote: > On Fri, 2015-09-25 at 15:51 +0100, Julien Grall wrote: >> From: Julien Grall <julien.gr...@linaro.org> >> >> Rather than letting each handler to retrieve the register used by the >> I/O access, add a new parameter to pass the register in parameter. >> >> This will help to implement generic register manipulation on I/O access >> such as sign-extension and endianess. >> >> Read handlers need to modify the value of the register, so a pointer to >> it is given in argument. Write handlers shouldn't modify the register, >> therfore only a plain value is given. > > "therefore" >> >> Signed-off-by: Julien Grall <julien.gr...@citrix.com> > > Acked-by: Ian Campbell <ian.campb...@citrix.com. > > Is it the case that read handlers today only update *r on success?
Yes, each read handler only update the register mentioned in dabt.reg. > Is that > a useful thing to mandate and/or enforce? What do you mean? Regards, -- Julien Grall _______________________________________________ Xen-devel mailing list Xen-devel@lists.xen.org http://lists.xen.org/xen-devel
