>>>>> matthew green writes:

matthew> is that really logically any different that 32-bit on sparc64
matthew> hardware, where many supervisor parts are 64-bits?  ie, it only
matthew> requires special assembler code, not a real 64 bit kernel?

	I do not know what was done for 32-bit FreeBSD on Sparc64.

	A 64-bit PowerPC kernel should only require a few 64-bit PowerPC
assembly routines to manipulate the registers.

David