In message <[EMAIL PROTECTED]> you wrote:
>
> well, duh. my point was that you're making "go" get duplicated just to
> conform to documentation. the command name itself "go" doesnt really conjurn
> up usage of "executing an application and returning" ... fits better with "go
> to this location and never come back". "run" probably would have been a
> better name. but that's hindsight for you.
You are right. Today I would probably name this "call".
> > 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.
> 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.
> 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. ?
Best regards,
Wolfgang Denk
--
DENX Software Engineering GmbH, MD: Wolfgang Denk & Detlev Zundel
HRB 165235 Munich, Office: Kirchenstr.5, D-82194 Groebenzell, Germany
Phone: (+49)-8142-66989-10 Fax: (+49)-8142-66989-80 Email: [EMAIL PROTECTED]
Shakespeare's Law of Prototyping: (Hamlet III, iv, 156-160)
O, throw away the worser part of it,
And live the purer with the other half.
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