On Monday 21 April 2008, Wolfgang Denk wrote:
> In message <[EMAIL PROTECTED]> you wrote:
> > > go [ -cache={off,d-off,i-off,on,d-on,i-on} ] addr [ args ... ]
> >
> > cache is just an example. other arches may want to do other sort of
> > "system breakdown/cleanup" before relinquishing control. option flags to
> > commands
>
> As the situation is, other arches seem to be just fine as it. It's
> only BF which needs a pork sausage.this is incorrect. any architecture which wants to overwrite u-boot sanely needs to worry about causing exceptions or interrupts. i just want to make the obvious easy since it has caused more than enough support requests. > > really doesnt fit the style of u-boot (i expect that sort of painful > > option parsing in redboot, not really u-boot). > > I don;t like it either, but just ading random new commands is even > worse. > > > so we can do: > > go [-noret] addr [args...] > > Ummm... "no return" programs is just an example. Other pograms may > want to do other sort of "system breakdown/cleanup" before relin- > quishing control. > > > or we can add "jump" to cmd_boot.c and merge the differences by just > > using > a function pointer to "do_go_exec" or "do_jump_exec". > > Adn then we add "call" and "exec" and "do" and so oon just for other > needed options? I say no. then implement whatever. in the mean time i'll keep forking the Blackfin code. > > i never said Blackfin was the only thing that mattered. in fact, my goal > > is to make it so that people using this facility get a more standard > > initial environment before they start taking over the system. i guess i > > wont point out the U-Boot policy about not using interrupts ... > > Are you aware that U-Boot does use interrupts here and there? That we > actually provide functions to register interrupt handlers to > standalone programs, etc. ? yes i'm aware, but we arent talking about standalone applications here, so those really dont matter. -mike
signature.asc
Description: This is a digitally signed message part.
------------------------------------------------------------------------- This SF.net email is sponsored by the 2008 JavaOne(SM) Conference Don't miss this year's exciting event. There's still time to save $100. Use priority code J8TL2D2. http://ad.doubleclick.net/clk;198757673;13503038;p?http://java.sun.com/javaone
_______________________________________________ U-Boot-Users mailing list [email protected] https://lists.sourceforge.net/lists/listinfo/u-boot-users
