URL https://opencores.org/ocsvn/openrisc/openrisc/trunk

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [or1ksim/] [testsuite/] [test-code-or1k/] [mem-test/] [mem-test.c] - Blame information for rev 465

Go to most recent revision | Details | Compare with Previous | View Log


/* mem-test.c. Simple memory test for Or1ksim
 
   Copyright (C) 1999-2006 OpenCores
   Copyright (C) 2010 Embecosm Limited
 
   Contributors various OpenCores participants
   Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>
 
   This file is part of OpenRISC 1000 Architectural Simulator.
 
   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/>.  */
 
/* ----------------------------------------------------------------------------
   This code is commented throughout for use with Doxygen.
   --------------------------------------------------------------------------*/
 
/* Simple test, which tests whether memory accesses are performed correctly.
   WARNING: Requires big endian host!!! */
 
#include "support.h"
 
unsigned long _ul, *pul;
unsigned short *pus;
unsigned char *puc;
 
int main ()
{
  unsigned long cnt = 0;
  _ul = 0x12345678;
  pul = &_ul;
  report (*pul);
  cnt = (cnt + *pul) << 1;
 
  pus = (unsigned short *)&_ul;
  report (*pus);
  cnt = (cnt + *pus) << 1;
  pus++;
  report (*pus);
  cnt = (cnt + *pus) << 1;
 
  puc = (unsigned char *)&_ul;
  report (*puc);
  cnt = (cnt + *puc) << 1;
  puc++;
  report (*puc);
  cnt = (cnt + *puc) << 1;
  puc++;
  report (*puc);
  cnt = (cnt + *puc) << 1;
  puc++;
  report (*puc);
  cnt = (cnt + *puc) << 1;
 
  *pul = 0xdeaddead;
  report (*pul);
  cnt = (cnt + *pul) << 1;
 
  pus = (unsigned short *)&_ul;
  *pus = 0x5678;
  report (*pul);
  cnt = (cnt + *pul) << 1;
  pus++;
  *pus = 0x1234;
  report (*pul);
  cnt = (cnt + *pul) << 1;
 
  puc = (unsigned char *)&_ul;
  *puc = 0xdd;
  report (*pul);
  cnt = (cnt + *pul) << 1;
  puc++;
  *puc = 0xcc;
  report (*pul);
  cnt = (cnt + *pul) << 1;
  puc++;
  *puc = 0xbb;
  report (*pul);
  cnt = (cnt + *pul) << 1;
  puc++;
  *puc = 0xaa;
  report (*pul);
  cnt = (cnt + *pul) << 1;
 
  report (cnt);
  cnt ^= 0xdeaddead ^ 0xda25e544;
  report(cnt);
  return (cnt != 0xdeaddead);
}

Line No.	Rev	Author	Line
1	90	jeremybenn	`/* mem-test.c. Simple memory test for Or1ksim`
2
3			`Copyright (C) 1999-2006 OpenCores`
4			`Copyright (C) 2010 Embecosm Limited`
5
6			`Contributors various OpenCores participants`
7			`Contributor Jeremy Bennett <jeremy.bennett@embecosm.com>`
8
9			`This file is part of OpenRISC 1000 Architectural Simulator.`
10
11			`This program is free software; you can redistribute it and/or modify it`
12			`under the terms of the GNU General Public License as published by the Free`
13			`Software Foundation; either version 3 of the License, or (at your option)`
14			`any later version.`
15
16			`This program is distributed in the hope that it will be useful, but WITHOUT`
17			`ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or`
18			`FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for`
19			`more details.`
20
21			`You should have received a copy of the GNU General Public License along`
22			`with this program. If not, see <http: www.gnu.org/licenses/>. */`
23
24			`/* ----------------------------------------------------------------------------`
25			`This code is commented throughout for use with Doxygen.`
26			`--------------------------------------------------------------------------*/`
27
28			`/* Simple test, which tests whether memory accesses are performed correctly.`
29			`WARNING: Requires big endian host!!! */`
30
31			`#include "support.h"`
32
33			`unsigned long _ul, *pul;`
34			`unsigned short *pus;`
35			`unsigned char *puc;`
36
37			`int main ()`
38			`{`
39			`unsigned long cnt = 0;`
40			`_ul = 0x12345678;`
41			`pul = &_ul;`
42			`report (*pul);`
43			`cnt = (cnt + *pul) << 1;`
44
45			`pus = (unsigned short *)&_ul;`
46			`report (*pus);`
47			`cnt = (cnt + *pus) << 1;`
48			`pus++;`
49			`report (*pus);`
50			`cnt = (cnt + *pus) << 1;`
51
52			`puc = (unsigned char *)&_ul;`
53			`report (*puc);`
54			`cnt = (cnt + *puc) << 1;`
55			`puc++;`
56			`report (*puc);`
57			`cnt = (cnt + *puc) << 1;`
58			`puc++;`
59			`report (*puc);`
60			`cnt = (cnt + *puc) << 1;`
61			`puc++;`
62			`report (*puc);`
63			`cnt = (cnt + *puc) << 1;`
64
65			`*pul = 0xdeaddead;`
66			`report (*pul);`
67			`cnt = (cnt + *pul) << 1;`
68
69			`pus = (unsigned short *)&_ul;`
70			`*pus = 0x5678;`
71			`report (*pul);`
72			`cnt = (cnt + *pul) << 1;`
73			`pus++;`
74			`*pus = 0x1234;`
75			`report (*pul);`
76			`cnt = (cnt + *pul) << 1;`
77
78			`puc = (unsigned char *)&_ul;`
79			`*puc = 0xdd;`
80			`report (*pul);`
81			`cnt = (cnt + *pul) << 1;`
82			`puc++;`
83			`*puc = 0xcc;`
84			`report (*pul);`
85			`cnt = (cnt + *pul) << 1;`
86			`puc++;`
87			`*puc = 0xbb;`
88			`report (*pul);`
89			`cnt = (cnt + *pul) << 1;`
90			`puc++;`
91			`*puc = 0xaa;`
92			`report (*pul);`
93			`cnt = (cnt + *pul) << 1;`
94
95			`report (cnt);`
96			`cnt ^= 0xdeaddead ^ 0xda25e544;`
97			`report(cnt);`
98			`return (cnt != 0xdeaddead);`
99			`}`

Browse

Tools

Subversion Repositories openrisc

[/] [openrisc/] [trunk/] [or1ksim/] [testsuite/] [test-code-or1k/] [mem-test/] [mem-test.c] - Blame information for rev 465