CVS commit: syssrc/sys/arch/sh5

[Steve Woodford <scw%netbsd.org@localhost>]

Module Name:    syssrc
Committed By:   scw
Date:           Thu Sep 12 12:44:14 UTC 2002

Modified Files:
        syssrc/sys/arch/sh5/include: pmap.h
        syssrc/sys/arch/sh5/sh5: genassym.cf pmap.c stb1_locore.S stb1var.h

Log Message:
Add code to deal with the "Cache Purge/Invalidate can cause TLB Miss"
problem, such that a TLB miss no longer occurs.

With the above, it is now safe to enable write-back caching for userland
mappings.

TODO: Deal with cache issues for shared mappings with different VAs.


To generate a diff of this commit:
cvs rdiff -r1.6 -r1.7 syssrc/sys/arch/sh5/include/pmap.h
cvs rdiff -r1.9 -r1.10 syssrc/sys/arch/sh5/sh5/genassym.cf
cvs rdiff -r1.7 -r1.8 syssrc/sys/arch/sh5/sh5/pmap.c
cvs rdiff -r1.6 -r1.7 syssrc/sys/arch/sh5/sh5/stb1_locore.S
cvs rdiff -r1.2 -r1.3 syssrc/sys/arch/sh5/sh5/stb1var.h

Please note that diffs are not public domain; they are subject to the
copyright notices on the relevant files.