Re: 64-bit Malta Kernel/Userland/Toolchain?

"Toru Nishimura" <[email protected]> Thu, 4 Jul 2002 11:43:07 +0900

Newsgroups	gmane.os.netbsd.ports.mips
Message-ID	<000301c22304$87ed1c60$0d00a8c0@paq5>

[email protected] <[email protected]> pointed;

> > 64bit address space would require to traverse traditional-but-very-sparse
> > multiple level PTE tree, probably similar to NetBSD/alpha, to cover its larger
> > address space extent.  
>
> Uh, actually, for TLB refill alpha uses a ... linear mapping in
> virtual memory.  see the stuff about the "VPT" -- virtual page table.

alpha PTE manipulation is done in table-walk for user address space even though
kernel PTE is handsomely thru VPT.

Toru Nishimura