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6df01ab8ab
The defs.h header will take care of including the various config.h headers. For now, it's just config.h, but we'll add more when we integrate gnulib in. This header should be used instead of config.h, and should be the first include in every .c file. We won't rely on the old behavior where we expected files to include the port's sim-main.h which then includes the common sim-basics.h which then includes config.h. We have a ton of code that includes things before sim-main.h, and it sometimes needs to be that way. Creating a dedicated header avoids the ordering mess and implicit inclusion that shows up otherwise.
80 lines
1.6 KiB
C
80 lines
1.6 KiB
C
/* misc.c --- miscellaneous utility functions for RX simulator.
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Copyright (C) 2005-2021 Free Software Foundation, Inc.
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Contributed by Red Hat, Inc.
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This file is part of the GNU simulators.
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 3 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program. If not, see <http://www.gnu.org/licenses/>. */
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/* This must come before any other includes. */
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#include "defs.h"
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#include <stdio.h>
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#include "cpu.h"
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#include "misc.h"
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int
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bcd2int (int bcd, int w)
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{
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int v = 0, m = 1, i;
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for (i = 0; i < (w ? 4 : 2); i++)
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{
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v += (bcd % 16) * m;
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m *= 10;
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bcd /= 16;
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}
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return v;
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}
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int
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int2bcd (int v, int w)
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{
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int bcd = 0, m = 1, i;
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for (i = 0; i < (w ? 4 : 2); i++)
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{
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bcd += (v % 10) * m;
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m *= 16;
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v /= 10;
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}
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return bcd;
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}
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char *
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comma (unsigned int u)
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{
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static char buf[5][20];
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static int bi = 0;
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int comma = 0;
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char *bp;
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bi = (bi + 1) % 5;
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bp = buf[bi] + 19;
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*--bp = 0;
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do
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{
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if (comma == 3)
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{
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*--bp = ',';
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comma = 0;
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}
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comma++;
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*--bp = '0' + (u % 10);
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u /= 10;
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}
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while (u);
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return bp;
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}
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