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authorDJ Delorie <dj@redhat.com>2009-11-24 19:22:45 +0000
committerDJ Delorie <dj@redhat.com>2009-11-24 19:22:45 +0000
commit4f8d4a386168d6152f3006187c5ecf722eb27d67 (patch)
treee86bf5972e5f09f8c37230b21c220a65a116e734 /sim/rx/misc.c
parente4d2e6658e104829003a91249ffe27ae1afb0b34 (diff)
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[sim]
* rx: New directory. * configure.ac: Add entry for Renesas RX. * configure: Regenerate. [include/gdb] * sim-rx.h: New.
Diffstat (limited to 'sim/rx/misc.c')
-rw-r--r--sim/rx/misc.c77
1 files changed, 77 insertions, 0 deletions
diff --git a/sim/rx/misc.c b/sim/rx/misc.c
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--- /dev/null
+++ b/sim/rx/misc.c
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+/* misc.c --- miscellaneous utility functions for RX simulator.
+
+Copyright (C) 2005, 2007, 2008, 2009 Free Software Foundation, Inc.
+Contributed by Red Hat, Inc.
+
+This file is part of the GNU simulators.
+
+This program is free software; you can redistribute it and/or modify
+it under the terms of the GNU General Public License as published by
+the Free Software Foundation; either version 3 of the License, or
+(at your option) any later version.
+
+This program is distributed in the hope that it will be useful,
+but WITHOUT ANY WARRANTY; without even the implied warranty of
+MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+GNU General Public License for more details.
+
+You should have received a copy of the GNU General Public License
+along with this program. If not, see <http://www.gnu.org/licenses/>. */
+
+
+#include <stdio.h>
+
+#include "cpu.h"
+#include "misc.h"
+
+int
+bcd2int (int bcd, int w)
+{
+ int v = 0, m = 1, i;
+ for (i = 0; i < (w ? 4 : 2); i++)
+ {
+ v += (bcd % 16) * m;
+ m *= 10;
+ bcd /= 16;
+ }
+ return v;
+}
+
+int
+int2bcd (int v, int w)
+{
+ int bcd = 0, m = 1, i;
+ for (i = 0; i < (w ? 4 : 2); i++)
+ {
+ bcd += (v % 10) * m;
+ m *= 16;
+ v /= 10;
+ }
+ return bcd;
+}
+
+char *
+comma (unsigned int u)
+{
+ static char buf[5][20];
+ static int bi = 0;
+ int comma = 0;
+ char *bp;
+
+ bi = (bi + 1) % 5;
+ bp = buf[bi] + 19;
+ *--bp = 0;
+ do
+ {
+ if (comma == 3)
+ {
+ *--bp = ',';
+ comma = 0;
+ }
+ comma++;
+ *--bp = '0' + (u % 10);
+ u /= 10;
+ }
+ while (u);
+ return bp;
+}