From b44896215a09c60fa40cae906f7ed207bbc2c492 Mon Sep 17 00:00:00 2001 From: Sergei Poselenov Date: Thu, 5 Jul 2007 08:17:37 +0200 Subject: Merged POST framework with the current TOT. Signed-off-by: Sergei Poselenov --- post/lib_ppc/fpu/fpu.c | 92 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 92 insertions(+) create mode 100644 post/lib_ppc/fpu/fpu.c (limited to 'post/lib_ppc/fpu/fpu.c') diff --git a/post/lib_ppc/fpu/fpu.c b/post/lib_ppc/fpu/fpu.c new file mode 100644 index 0000000000..07dcba8cc9 --- /dev/null +++ b/post/lib_ppc/fpu/fpu.c @@ -0,0 +1,92 @@ +/* + * Copyright (C) 2007 + * Wolfgang Denk, DENX Software Engineering, wd@denx.de. + * + * Author: Sergei Poselenov + * + * 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 + */ + +#include + +/* + * 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. + */ + +#ifdef CONFIG_POST + +#include + +#if CONFIG_POST & CFG_POST_FPU + +#include + +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 & CFG_POST_FPU */ +#endif /* CONFIG_POST */ -- cgit