[src/trunk]: src/sys/arch/mac68k/mac68k Allow NetBSD/mac68k kernel work with ...

[tsutsui <tsutsui%NetBSD.org@localhost>]

details:   https://anonhg.NetBSD.org/src/rev/2da64c39b48b
branches:  trunk
changeset: 749889:2da64c39b48b
user:      tsutsui <tsutsui%NetBSD.org@localhost>
date:      Sat Dec 12 09:55:44 2009 +0000

description:
Allow NetBSD/mac68k kernel work with PGSHIFT==13, i.e. 8KB/page.
Tested on LC630 with 68LC040.

diffstat:

 sys/arch/mac68k/mac68k/locore.s |  10 +++++++++-
 1 files changed, 9 insertions(+), 1 deletions(-)

diffs (33 lines):

diff -r 1b106e76e547 -r 2da64c39b48b sys/arch/mac68k/mac68k/locore.s
--- a/sys/arch/mac68k/mac68k/locore.s   Sat Dec 12 09:54:42 2009 +0000
+++ b/sys/arch/mac68k/mac68k/locore.s   Sat Dec 12 09:55:44 2009 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.s,v 1.158 2009/12/11 18:28:35 tsutsui Exp $     */
+/*     $NetBSD: locore.s,v 1.159 2009/12/12 09:55:44 tsutsui Exp $     */
 
 /*
  * Copyright (c) 1982, 1990 The Regents of the University of California.
@@ -303,7 +303,11 @@
        movl    %a1,%d1
        .word   0xf518                  | pflusha
        .long   0x4e7b1807              | movc %d1,%srp
+#if PGSHIFT == 13
+       movl    #0xc000,%d0
+#else
        movl    #0x8000,%d0
+#endif
        .long   0x4e7b0003              | movc %d0,%tc   ;Enable MMU
        movl    #CACHE40_ON,%d0
        movc    %d0,%cacr               | turn on both caches
@@ -325,7 +329,11 @@
        pmove   %a0@,%srp               | load the supervisor root pointer
        movl    #0x80000002,%a0@        | reinit upper half for CRP loads
        lea     _ASM_LABEL(longscratch),%a2
+#if PGSHIFT == 13
+       movl    #0x82d08b00,%a2@        | value to load %TC with
+#else
        movl    #0x82c0aa00,%a2@        | value to load %TC with
+#endif
        pmove   %a2@,%tc                | load it
 
 Lloaddone: