Date: Sat, 20 Mar 2010 05:07:15 +0000 (UTC) From: Neel Natu <neel@FreeBSD.org> To: cvs-src-old@freebsd.org Subject: cvs commit: src/sys/mips/include db_machdep.h trap.h src/sys/mips/mips db_trace.c exception.S pmap.c trap.c Message-ID: <201003200507.o2K57dTU049611@repoman.freebsd.org>
next in thread | raw e-mail | index | archive | help
neel 2010-03-20 05:07:15 UTC
FreeBSD src repository
Modified files:
sys/mips/include db_machdep.h trap.h
sys/mips/mips db_trace.c exception.S pmap.c trap.c
Log:
SVN rev 205360 on 2010-03-20 05:07:15Z by neel
This change enables use of physical memory that is beyond the direct
mapped kseg0 region.
The basic idea is to use KVA from the kseg2 region for mapping page
table pages that lie beyond the direct mapped region.
The TLB miss handler can now recursively fault into the TLB invalid
handler if it dereferences a kseg2 page table page address that is not
in the TLB.
Tested by: JC (c.jayachandran@gmail.com)
Revision Changes Path
1.3 +0 -1 src/sys/mips/include/db_machdep.h
1.4 +1 -2 src/sys/mips/include/trap.h
1.6 +3 -6 src/sys/mips/mips/db_trace.c
1.11 +127 -198 src/sys/mips/mips/exception.S
1.32 +48 -55 src/sys/mips/mips/pmap.c
1.8 +4 -4 src/sys/mips/mips/trap.c
Want to link to this message? Use this URL: <https://mail-archive.FreeBSD.org/cgi/mid.cgi?201003200507.o2K57dTU049611>