mirror of
https://github.com/u-boot/u-boot.git
synced 2024-11-28 07:03:31 +08:00
61 lines
1.5 KiB
C
61 lines
1.5 KiB
C
/*
|
|
* Copyright (C) 2007
|
|
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
|
|
*
|
|
* See file CREDITS for list of people who contributed to this
|
|
* project.
|
|
*
|
|
* 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 2 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, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston,
|
|
* MA 02111-1307 USA
|
|
*/
|
|
/*
|
|
* This file is originally a part of the GCC testsuite.
|
|
*/
|
|
|
|
#include <common.h>
|
|
|
|
#ifdef CONFIG_POST
|
|
|
|
#include <post.h>
|
|
|
|
#if CONFIG_POST & CFG_POST_FPU
|
|
|
|
int fpu_post_test_math4 (void)
|
|
{
|
|
volatile float reale = 1.0f;
|
|
volatile float oneplus;
|
|
int i;
|
|
|
|
if (sizeof (float) != 4)
|
|
return 0;
|
|
|
|
for (i = 0; ; i++)
|
|
{
|
|
oneplus = 1.0f + reale;
|
|
if (oneplus == 1.0f)
|
|
break;
|
|
reale = reale / 2.0f;
|
|
}
|
|
/* Assumes ieee754 accurate arithmetic above. */
|
|
if (i != 24) {
|
|
post_log ("Error in FPU math4 test\n");
|
|
return -1;
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#endif /* CONFIG_POST & CFG_POST_FPU */
|
|
#endif /* CONFIG_POST */
|