u-boot/post/lib_powerpc/fpu/fpu.c
Wolfgang Denk 1a4596601f Add GPL-2.0+ SPDX-License-Identifier to source files
Signed-off-by: Wolfgang Denk <wd@denx.de>
[trini: Fixup common/cmd_io.c]
Signed-off-by: Tom Rini <trini@ti.com>
2013-07-24 09:44:38 -04:00

75 lines
1.5 KiB
C

/*
* Copyright (C) 2007
* Wolfgang Denk, DENX Software Engineering, wd@denx.de.
*
* Author: Sergei Poselenov <sposelenov@emcraft.com>
*
* SPDX-License-Identifier: GPL-2.0+
*/
#include <common.h>
/*
* FPU test
*
* This test checks the arithmetic logic unit (ALU) of CPU.
* It tests independently various groups of instructions using
* run-time modification of the code to reduce the memory footprint.
* For more details refer to post/cpu/ *.c files.
*/
#include <post.h>
GNU_FPOST_ATTR
#if CONFIG_POST & CONFIG_SYS_POST_FPU
#include <watchdog.h>
extern int fpu_status (void);
extern void fpu_enable (void);
extern void fpu_disable (void);
extern int fpu_post_test_math1 (void);
extern int fpu_post_test_math2 (void);
extern int fpu_post_test_math3 (void);
extern int fpu_post_test_math4 (void);
extern int fpu_post_test_math5 (void);
extern int fpu_post_test_math6 (void);
extern int fpu_post_test_math7 (void);
int fpu_post_test (int flags)
{
int fpu = fpu_status ();
int ret = 0;
WATCHDOG_RESET ();
if (!fpu)
fpu_enable ();
if (ret == 0)
ret = fpu_post_test_math1 ();
if (ret == 0)
ret = fpu_post_test_math2 ();
if (ret == 0)
ret = fpu_post_test_math3 ();
if (ret == 0)
ret = fpu_post_test_math4 ();
if (ret == 0)
ret = fpu_post_test_math5 ();
if (ret == 0)
ret = fpu_post_test_math6 ();
if (ret == 0)
ret = fpu_post_test_math7 ();
if (!fpu)
fpu_disable ();
WATCHDOG_RESET ();
return ret;
}
#endif /* CONFIG_POST & CONFIG_SYS_POST_FPU */