/* mem-test.c. Simple memory test for Or1ksim
|
/* mem-test.c. Simple memory test for Or1ksim
|
|
|
Copyright (C) 1999-2006 OpenCores
|
Copyright (C) 1999-2006 OpenCores
|
Copyright (C) 2010 Embecosm Limited
|
Copyright (C) 2010 Embecosm Limited
|
|
|
Contributors various OpenCores participants
|
Contributors various OpenCores participants
|
Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
|
Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
|
|
|
This file is part of OpenRISC 1000 Architectural Simulator.
|
This file is part of OpenRISC 1000 Architectural Simulator.
|
|
|
This program is free software; you can redistribute it and/or modify it
|
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
|
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)
|
Software Foundation; either version 3 of the License, or (at your option)
|
any later version.
|
any later version.
|
|
|
This program is distributed in the hope that it will be useful, but WITHOUT
|
This program is distributed in the hope that it will be useful, but WITHOUT
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
more details.
|
more details.
|
|
|
You should have received a copy of the GNU General Public License along
|
You should have received a copy of the GNU General Public License along
|
with this program. If not, see <http: www.gnu.org/licenses/>. */
|
with this program. If not, see <http: www.gnu.org/licenses/>. */
|
|
|
/* ----------------------------------------------------------------------------
|
/* ----------------------------------------------------------------------------
|
This code is commented throughout for use with Doxygen.
|
This code is commented throughout for use with Doxygen.
|
--------------------------------------------------------------------------*/
|
--------------------------------------------------------------------------*/
|
|
|
/* Simple test, which tests whether memory accesses are performed correctly.
|
/* Simple test, which tests whether memory accesses are performed correctly.
|
WARNING: Requires big endian host!!! */
|
WARNING: Requires big endian host!!! */
|
|
|
#include "support.h"
|
#include "support.h"
|
|
|
unsigned long _ul, *pul;
|
unsigned long _ul, *pul;
|
unsigned short *pus;
|
unsigned short *pus;
|
unsigned char *puc;
|
unsigned char *puc;
|
|
|
int main ()
|
int main ()
|
{
|
{
|
unsigned long cnt = 0;
|
unsigned long cnt = 0;
|
_ul = 0x12345678;
|
_ul = 0x12345678;
|
pul = &_ul;
|
pul = &_ul;
|
report (*pul);
|
report (*pul);
|
cnt = (cnt + *pul) << 1;
|
cnt = (cnt + *pul) << 1;
|
|
|
pus = (unsigned short *)&_ul;
|
pus = (unsigned short *)&_ul;
|
report (*pus);
|
report (*pus);
|
cnt = (cnt + *pus) << 1;
|
cnt = (cnt + *pus) << 1;
|
pus++;
|
pus++;
|
report (*pus);
|
report (*pus);
|
cnt = (cnt + *pus) << 1;
|
cnt = (cnt + *pus) << 1;
|
|
|
puc = (unsigned char *)&_ul;
|
puc = (unsigned char *)&_ul;
|
report (*puc);
|
report (*puc);
|
cnt = (cnt + *puc) << 1;
|
cnt = (cnt + *puc) << 1;
|
puc++;
|
puc++;
|
report (*puc);
|
report (*puc);
|
cnt = (cnt + *puc) << 1;
|
cnt = (cnt + *puc) << 1;
|
puc++;
|
puc++;
|
report (*puc);
|
report (*puc);
|
cnt = (cnt + *puc) << 1;
|
cnt = (cnt + *puc) << 1;
|
puc++;
|
puc++;
|
report (*puc);
|
report (*puc);
|
cnt = (cnt + *puc) << 1;
|
cnt = (cnt + *puc) << 1;
|
|
|
*pul = 0xdeaddead;
|
*pul = 0xdeaddead;
|
report (*pul);
|
report (*pul);
|
cnt = (cnt + *pul) << 1;
|
cnt = (cnt + *pul) << 1;
|
|
|
pus = (unsigned short *)&_ul;
|
pus = (unsigned short *)&_ul;
|
*pus = 0x5678;
|
*pus = 0x5678;
|
report (*pul);
|
report (*pul);
|
cnt = (cnt + *pul) << 1;
|
cnt = (cnt + *pul) << 1;
|
pus++;
|
pus++;
|
*pus = 0x1234;
|
*pus = 0x1234;
|
report (*pul);
|
report (*pul);
|
cnt = (cnt + *pul) << 1;
|
cnt = (cnt + *pul) << 1;
|
|
|
puc = (unsigned char *)&_ul;
|
puc = (unsigned char *)&_ul;
|
*puc = 0xdd;
|
*puc = 0xdd;
|
report (*pul);
|
report (*pul);
|
cnt = (cnt + *pul) << 1;
|
cnt = (cnt + *pul) << 1;
|
puc++;
|
puc++;
|
*puc = 0xcc;
|
*puc = 0xcc;
|
report (*pul);
|
report (*pul);
|
cnt = (cnt + *pul) << 1;
|
cnt = (cnt + *pul) << 1;
|
puc++;
|
puc++;
|
*puc = 0xbb;
|
*puc = 0xbb;
|
report (*pul);
|
report (*pul);
|
cnt = (cnt + *pul) << 1;
|
cnt = (cnt + *pul) << 1;
|
puc++;
|
puc++;
|
*puc = 0xaa;
|
*puc = 0xaa;
|
report (*pul);
|
report (*pul);
|
cnt = (cnt + *pul) << 1;
|
cnt = (cnt + *pul) << 1;
|
|
|
report (cnt);
|
report (cnt);
|
cnt ^= 0xdeaddead ^ 0xda25e544;
|
cnt ^= 0xdeaddead ^ 0xda25e544;
|
report(cnt);
|
report(cnt);
|
return (cnt != 0xdeaddead);
|
return (cnt != 0xdeaddead);
|
}
|
}
|
|
|
