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authorJoel Sherrill <joel.sherrill@OARcorp.com>1996-05-24 20:34:49 +0000
committerJoel Sherrill <joel.sherrill@OARcorp.com>1996-05-24 20:34:49 +0000
commit28fa54d9b9e30d782115d65456e4cd3d8b8fb6f2 (patch)
tree9b39581aa6c666641d5566f60c5592e15e3ab741 /c/src/lib/libbsp/m68k/mvme147/timer/timerisr.s
parentchanged joel's email address (diff)
downloadrtems-28fa54d9b9e30d782115d65456e4cd3d8b8fb6f2.tar.bz2
added Motorola MVME147 BSP submitted by Dominique le Campion
(Dominique.LECAMPION@enst-bretagne.fr), for Telecom Bretagne and T.N.I. (Brest, France)
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1 files changed, 28 insertions, 0 deletions
diff --git a/c/src/lib/libbsp/m68k/mvme147/timer/timerisr.s b/c/src/lib/libbsp/m68k/mvme147/timer/timerisr.s
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+# timer_isr()
+#
+# This routine provides the ISR for the PCC timer on the MVME147
+# board. The timer is set up to generate an interrupt at maximum
+# intervals.
+#
+# MVME147 port for TNI - Telecom Bretagne
+# by Dominique LE CAMPION (Dominique.LECAMPION@enst-bretagne.fr)
+# May 1996
+#
+# $Id$
+#
+
+#include "asm.h"
+
+BEGIN_CODE
+
+.set T1_CONTROL_REGISTER, 0xfffe1018 | timer 1 control register
+
+ PUBLIC (timerisr)
+SYM (timerisr):
+ orb #0x80, T1_CONTROL_REGISTER | clear T1 int status bit
+ addql #1, SYM (Ttimer_val) | increment timer value
+end_timerisr:
+ rte
+
+END_CODE
+END