[OpenBIOS] Sparc64 OpenBIOS

Nick Couchman Nick.Couchman at seakr.com
Wed Nov 18 16:15:41 CET 2009

>>> On 2009/11/17 at 10:37, Tarl Neustaedter <Tarl.Neustaedter at Sun.COM> wrote: 
> [...]
>> Based on that output, it's hard for me to tell what about "open-package'" 
> failed
> Yup. What I spot:
> : mount-root  ( Empty ) 
> 00000000ffe35d28: boot-dev$  ( ffe357a8 6 ) 
> 00000000ffe35d30: fs-pkg$  ( ffe357a8 6 ffe317c0 10 ) 
> 00000000ffe35d38: $open-package 
> : $open-package  ( ffe357a8 6 ffe317c0 10 ) 
> It looks like fs-pkg$ names the package it's opening. I'm guessing 
> that's hsfs-file-system, but you should probably verify that's what is 
> in that string (do a "2dup type" before calling $open-package). If 
> that's correct, then rather than descending into open-package, you 
> probably want to put a breakpoint at "open" in 
> /packages/hsfs-file-system, which is where that will end up after much 
> wandering around. Then proceed from there - you really don't want to 
> trace through instance creation.

Okay, I was able to do a "2dup type" and verify that hsfs-file-system is the name of the file that it's trying to open.

Again, forgive my ignorance (being new to this whole development process), but what's the best way to insert a breakpoint where you've suggested?


> The reason you weren't able to see all that (which would have been 
> overwhelming) is a bit further down:
> 00000000ffe135f0: (lit)  ( 1 ffe2fe38 ffe4b1d8 ffe4b548 ffe135e0 4 ffe4b558 
> ffe13310 ) 
> 00000000ffe13600: catch  ( 1 ffe2fe38 ffe4b1d8 ffe4b548 ffffffffffffffff 0 ) 
> That's basically a subroutine call to ffe13310, which it didn't show.

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