[src/netbsd-1-4]: src/sys/arch/x68k/x68k pullup 1.45->1.46 (minoura): Use mvm...

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

details:   https://anonhg.NetBSD.org/src/rev/455a3d8510bd
branches:  netbsd-1-4
changeset: 468955:455a3d8510bd
user:      perry <perry%NetBSD.org@localhost>
date:      Thu Jun 24 15:58:16 1999 +0000

description:
pullup 1.45->1.46 (minoura): Use mvme68k-derived delay() routine

diffstat:

 sys/arch/x68k/x68k/locore.s |  19 ++++++++++++++++++-
 1 files changed, 18 insertions(+), 1 deletions(-)

diffs (33 lines):

diff -r 33060522314a -r 455a3d8510bd sys/arch/x68k/x68k/locore.s
--- a/sys/arch/x68k/x68k/locore.s       Thu Jun 24 15:54:35 1999 +0000
+++ b/sys/arch/x68k/x68k/locore.s       Thu Jun 24 15:58:16 1999 +0000
@@ -1,4 +1,4 @@
-/*     $NetBSD: locore.s,v 1.41.2.2 1999/06/20 19:34:17 perry Exp $    */
+/*     $NetBSD: locore.s,v 1.41.2.3 1999/06/24 15:58:16 perry Exp $    */
 
 /*
  * Copyright (c) 1988 University of Utah.
@@ -1651,6 +1651,23 @@
        rts
 
 /*
+ * _delay(u_int N)
+ *
+ * Delay for at least (N/256) microsecends.
+ * This routine depends on the variable:  delay_divisor
+ * which should be set based on the CPU clock rate.
+ */
+ENTRY_NOPROFILE(_delay)
+       | d0 = arg = (usecs << 8)
+       movl    sp@(4),d0
+       | d1 = delay_divisor
+       movl    _C_LABEL(delay_divisor),d1
+L_delay:
+       subl    d1,d0
+       jgt     L_delay
+       rts
+
+/*
  * Save and restore 68881 state.
  */
 ENTRY(m68881_save)