[U-Boot] [PATCH v2 0/5] Add device tree support for VxWorks

[Tom Rini]

On Fri, Nov 01, 2013 at 03:44:10PM +0800, myan wrote:
> Hi Tom,
> 
> On 10/31/2013 07:31 PM, Tom Rini wrote:
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> >On 10/31/2013 05:56 AM, myan wrote:
> >>>
> >>
> >>Will this go into master in this merge window ?
> >>
> >>And I noticed there are some changes to common do_bootm, which
> >>reqiures adjustment to vxworks subcommand handling code, do I need
> >>to rebase and resend the patches ? Thanks.
> >
> >Yes, it can come in, I just have been a bit busy and getting behind on
> >collecting up patches.  If you can re-base and re-test things I'd
> >appreciate it, thanks!
> >
> 
> I re-tested against master but found a problem. In commit
> "5c427e4: use BOOTM_STATE_OS_CMDLINE flag for plain bootm" and
> "3d187b3: Only pass BOOTM_STATE_OS_CMDLINE on PowerPC/MIPS",
> BOOTM_STATE_OS_CMLINE was added to do_bootm for PowerPC and MIPS.
> This breaks other OSes (vxworks, netbsd, plan9,...) that don't
> support subcommand processing, e.g. they all contain the following
> code in their do_bootm_xxx():
> 
> if (flag & BOOTM_STATE_OS_PREP)
> 	return 0;
> if ((flag != 0) && (flag != BOOTM_STATE_OS_GO))
> 	return 1;
> 
> which will result a "subcommand not supported" error.   IMO, the
> above code should be converted to something like this:
> 
> /* if not go command, pretend everything to be OK */
> if (flag != BOOTM_STATE_OS_GO)
>     return 0;
> 
> And if you are OK with it, I could send patches to clean them up. Thanks.

OK, reading over all of the other OS bootm functions, yeah, I think
you're on the right path here.  Thanks!

-- 
Tom
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