| /* Check __ppc_get_timebase() for architecture changes |
| Copyright (C) 2012-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library 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 |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| /* Test if __ppc_get_timebase() is compatible with the current processor and if |
| it's changing between reads. A read failure might indicate a Power ISA or |
| binutils change. */ |
| |
| #include <inttypes.h> |
| #include <stdio.h> |
| #include <stdint.h> |
| |
| #include <sys/platform/ppc.h> |
| |
| static int |
| do_test (void) |
| { |
| uint64_t t1, t2, t3; |
| t1 = __ppc_get_timebase (); |
| printf ("Time Base = %"PRIu64"\n", t1); |
| t2 = __ppc_get_timebase (); |
| printf ("Time Base = %"PRIu64"\n", t2); |
| t3 = __ppc_get_timebase (); |
| printf ("Time Base = %"PRIu64"\n", t3); |
| if (t1 != t2 && t1 != t3 && t2 != t3) |
| return 0; |
| |
| printf ("Fail: timebase reads should always be different.\n"); |
| return 1; |
| } |
| |
| #include <support/test-driver.c> |