[OpenBIOS] [PATCH v3 3/5] Pretty-print reg property

Tarl Neustaedter tarl-b2 at tarl.net
Sat Nov 6 18:46:42 CET 2010

On 2010-11-6 6:43 AM, Andreas Färber wrote:
> [...]
> Hm. It's right for reg, with is one cell (0) only.
> But it logically doesn't fit the MMU's available property. So it's telling 
> me we need to special-case that somehow for 5/5. Which in turn means that 
> we'll need to pass the #address-cells and #size-cells via stack in 3/5 to 
> cover this use case.
> "The property values are as defined for the standard “reg” format, with 
> single-cell virtual
> addresses. The regions of virtual address space denote the virtual address 
> space that is currently
> unallocated by the Open Firmware and is available for use by client 
> programs." (IEEE 1275 3.6.5)

Hmm. It's "recommended", and I believe that is incorrect for SPARC 64. I'll 
check on monday - I remember recently seeing that the /virtual-memory 
available property used two-cell virtual addresses. I'll check what it does 
with MMUs.

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