fpmem.c
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/*
* fpu/fpmem.c
*
*
*
* Copyright 1991, Silicon Graphics, Inc.
* All Rights Reserved.
*
* This is UNPUBLISHED PROPRIETARY SOURCE CODE of Silicon Graphics, Inc.;
* the contents of this file may not be disclosed to third parties, copied or
* duplicated in any form, in whole or in part, without the prior written
* permission of Silicon Graphics, Inc.
*
* RESTRICTED RIGHTS LEGEND:
* Use, duplication or disclosure by the Government is subject to restrictions
* as set forth in subdivision (c)(1)(ii) of the Rights in Technical Data
* and Computer Software clause at DFARS 252.227-7013, and/or in similar or
* successor clauses in the FAR, DOD or NASA FAR Supplement. Unpublished -
* rights reserved under the Copyright Laws of the United States.
*/
#ident "$Revision: 1.1.1.1 $"
/*
*
* Floating Point Exerciser - load/store memory
*
*/
#include <ultra64.h>
#include <os_internal.h>
#include <osint.h>
#include <fpu.h>
#include "cpu.h"
extern void LOAD_FPU(int, unsigned int *);
extern void STORE_FPU(int, unsigned int *);
unsigned int i_buf[32];
unsigned int o_buf[32];
int
fpmem()
{
register int fail = 0;
register long status;
int i;
/* enable cache and fpu - cache ecc errors still enabled */
status = __osGetSR();
status |= SR_CU0|SR_CU1;
__osSetSR(status);
/* clear cause register */
__osSetCause(0);
/* clear fpu status register */
__osSetFpcCsr(0);
/* Initialize o_buf */
for (i = 0; i < 32; i++)
o_buf[i] = i;
for (i = 0; i < 32; i++)
LOAD_FPU(i, &o_buf[i]);
for (i = 0; i < 32; i++)
STORE_FPU(i, &i_buf[i]);
for (i = 0; i < 32; i++) {
if (i_buf[i] != o_buf[i]) {
fail = 1;
PRINTF("%s:%d: FAILED! i=%d\n", __FILE__, __LINE__, i);
}
}
/* Initialize o_buf */
for (i = 0; i < 32; i++)
o_buf[i] = ~i;
for (i = 0; i < 32; i++)
LOAD_FPU(i, &o_buf[i]);
for (i = 0; i < 32; i++)
STORE_FPU(i, &i_buf[i]);
for (i = 0; i < 32; i++) {
if (i_buf[i] != o_buf[i]) {
PRINTF("%s:%d: FAILED! i=%d\n", __FILE__, __LINE__, i);
fail = 1;
}
}
/* report any error */
return(fail);
}