On 4/27/09, Mark Cave-Ayland email@example.com wrote:
The attached patch fixes all of the various combinations of forwards and backwards branches for both bbranch and b?branch. With this patch applied to the latest openbios-svn, I can now run OpenBIOS to the point where it crashes out Qemu checked out a few weeks back. Nice :)
A couple of the fixes in this patch are for bugs introduced in my last commit. Whilst continuing to dig deeper into various bugs, I didn't appreciate at the time that it is not necessarily the description of the branch words that matters, more how they are tokenized by the Fcode evaluator.
With marTux 0.2 (Solaris derivative) I get: Loading FCode image... Loaded 5936 bytes entry point is 0x4000 Evaluating FCode... reserved fcode word. Loading reserved fcode word. reserved fcode word. reserved fcode word. FCode UFS Reader 1.13 05/06/08 08:30:31. Unhandled Exception 0x0000000000000034 PC = 0x00000000ffd0e370 NPC = 0x00000000ffd0e374 Stopping execution