[OpenBIOS] [PATCHv2 0/4] ppc: introduce execution context

[Mark Cave-Ayland]

On 02/05/16 16:13, Programmingkid wrote:

> On May 2, 2016, at 7:50 AM, Mark Cave-Ayland wrote:
> 
>> This patch series is part of a much larger WIP series designed to remove various hacks
>> from the load/init-program/go words. However in order for the follow-on series to work,
>> all architectures must build an execution context similar to the IEEE1275 specification
>> description of saved-program-state.
>>
>> PPC is the only architecture which doesn't make use of contexts when entering/leaving the
>> Forth environment, so start by adding this functionality in order that it can be expanded
>> on further with later patches. While no functionality is changed by this patch, there should
>> be no regressions when attempting to boot existing client images.
>>
>> Signed-off-by: Mark Cave-Ayland <mark.cave-ayland at ilande.co.uk>
>>
>> v2:
>> - Use single asm invocation in switch_to() with clobber register
>> - Fix unsigned int -> unsigned long
>> - Fix missing volatile from __context pointer
> 
> 
> Just wanted to add that Mac OS 9.2 does boot with your patches. It was a local problem that prevented it from booting. Thanks.

Great, thanks for testing. I'll see if anyone else has any further
feedback before pushing on with this.


ATB,

Mark.