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Adjust for coldfire

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This commit is contained in:
matt 2013-07-18 22:14:48 +00:00
parent 233ae00254
commit 516ab0fa43
2 changed files with 19 additions and 2 deletions
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11
sys/lib/libkern/arch/m68k/scanc.S
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@ -1,4 +1,4 @@
/* $NetBSD: scanc.S,v 1.8 2013/07/18 12:42:24 matt Exp $ */
/* $NetBSD: scanc.S,v 1.9 2013/07/18 22:14:48 matt Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -51,13 +51,22 @@ ENTRY(scanc)
movb 19(%sp),%d1 | and mask to use
movl %d2,-(%sp) | need a scratch register
clrl %d2 | clear it out
#ifndef __mcoldfire__
subqw #1,%d0 | adjust for dbra
#endif
Lscloop:
movb (%a0)+,%d2 | get character
movb (%a1,%d2),%d2 | get table entry
andl %d1,%d2 | mask it
#ifdef __mcoldfire__
jne 1f | break out if mask matched
subql #1,%d0 | decrement
jne Lscloop | keep going til no more
1:
#else
dbne %d0,Lscloop | keep going til no more or non-zero
addqw #1,%d0 | overshot by one
#endif
movl (%sp)+,%d2 | restore scratch
Lscdone:
rts

10
sys/lib/libkern/arch/m68k/skpc.S
View File

@ -1,4 +1,4 @@
/* $NetBSD: skpc.S,v 1.8 2013/07/18 12:54:08 matt Exp $ */
/* $NetBSD: skpc.S,v 1.9 2013/07/18 22:14:48 matt Exp $ */
/*
* Copyright (c) 1988 University of Utah.
@ -48,10 +48,18 @@ ENTRY(skpc)
jeq Lskdone | nothing to do, return
movb 7(%sp),%d1 | mask to use
movl 12(%sp),%a0 | where to start
#ifndef __mcoldfire__
subqw #1,%d0 | adjust for dbcc
#endif
Lskloop:
cmpb (%a0)+,%d1 | compare with mask
#ifdef __mcoldfire__
jne Lskdone | keep going til no more or zero
subql #1,%d0
jne Lskloop
#else
dbne %d0,Lskloop | keep going til no more or zero
addqw #1,%d0 | overshot by one
#endif
Lskdone:
rts