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

add code to mask mmucr register (SH4 only)

Browse Source 
I'm sorry, I'd forgotten to commit it for a long time.
This commit is contained in:
msaitoh 2000-08-17 13:13:28 +00:00
parent a8fe4a6776
commit 4a9013cf38
1 changed files with 8 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

11
sys/arch/evbsh3/evbsh3/locore.s
View File

@ -1,4 +1,4 @@
/* $NetBSD: locore.s,v 1.21 2000/08/11 15:11:22 msaitoh Exp $ */
/* $NetBSD: locore.s,v 1.22 2000/08/17 13:13:28 msaitoh Exp $ */
/*-
* Copyright (c) 1993, 1994, 1995, 1997
@ -989,7 +989,7 @@ switch_exited:
mov.l @r0, r2
or r1, r2
#ifdef SH4
mov.l XL_MMUCR_VBITS,r1
mov.l XL_MMUCR_VBITS, r1
and r1, r2
#endif
mov.l r2, @r0
@ -1032,7 +1032,6 @@ XLwant_resched: .long _C_LABEL(want_resched)
XXXLcurproc: .long _C_LABEL(curproc)
XL_ConvVtoP: .long _ConvVtoP
XL_KernelSp: .long KernelSp
XL_MMUCR_VBITS: .long 0xfcfcff05
XL_SHREG_TTB: .long SHREG_TTB
/*
* switch_exit(struct proc *p);
@ -1074,6 +1073,10 @@ ENTRY(switch_exit)
mov #4, r1
mov.l @r0, r2
or r1, r2
#ifdef SH4
mov.l XL_MMUCR_VBITS, r1
and r1, r2
#endif
mov.l r2, @r0
/* Record new pcb. */
@ -1101,6 +1104,8 @@ ENTRY(switch_exit)
.globl _C_LABEL(exit2)
XLexit2:
.long _C_LABEL(exit2)
XL_MMUCR_VBITS:
.long 0xfcfcff05
XXL_SHREG_MMUCR:
.long SHREG_MMUCR
XXLP_ADDR: