Aren
/
NetBSD
1
0
Fork 0
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Allow NetBSD/hp300 kernel work with PGSHIFT==13, i.e. 8KB/page. 

Tested on HP9000/382 with 68040.

XXX: 8KB/page won't work on HP MMU machines (i.e. HP320 and HP350).
This commit is contained in:
tsutsui 2009-12-12 16:37:22 +00:00
parent 698e481cab
commit 679db53719
1 changed files with 9 additions and 1 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

10
sys/arch/hp300/hp300/locore.s
View File

@ -1,4 +1,4 @@
/* $NetBSD: locore.s,v 1.149 2009/12/11 18:28:35 tsutsui Exp $ */
/* $NetBSD: locore.s,v 1.150 2009/12/12 16:37:22 tsutsui Exp $ */
/*
* Copyright (c) 1980, 1990, 1993
@ -523,7 +523,11 @@ Lhighcode:
.long 0x4e7b0007 | movc %d0,%dtt1
.word 0xf4d8 | cinva bc
.word 0xf518 | pflusha
#if PGSHIFT == 13
movl #0xc000,%d0
#else
movl #0x8000,%d0
#endif
.long 0x4e7b0003 | movc %d0,%tc
movl #0x80008000,%d0
movc %d0,%cacr | turn on both caches
@ -532,7 +536,11 @@ Lmotommu2:
movl #MMU_IEN+MMU_FPE,INTIOBASE+MMUBASE+MMUCMD
| enable 68881 and i-cache
RELOC(prototc, %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
jmp Lenab1:l | forced not be pc-relative
Lhpmmu3: