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Diffstat (limited to 'sysdeps/powerpc/tst-set_ppr.c')
-rw-r--r-- | sysdeps/powerpc/tst-set_ppr.c | 102 |
1 files changed, 0 insertions, 102 deletions
diff --git a/sysdeps/powerpc/tst-set_ppr.c b/sysdeps/powerpc/tst-set_ppr.c deleted file mode 100644 index df8dda78e8..0000000000 --- a/sysdeps/powerpc/tst-set_ppr.c +++ /dev/null @@ -1,102 +0,0 @@ -/* Test the implementation of __ppc_set_ppr_* functions. - Copyright (C) 2017 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/>. */ - -#include <inttypes.h> -#include <stdio.h> -#include <stdint.h> -#include <sys/auxv.h> - -#include <sys/platform/ppc.h> - -#include <support/test-driver.h> - -#ifdef __powerpc64__ - typedef uint64_t ppr_t; -# define MFPPR "mfppr" - /* The thread priority value is obtained from bits 11:13. */ -# define EXTRACT_THREAD_PRIORITY(x) ((x >> 50) & 7) -#else - typedef uint32_t ppr_t; -# define MFPPR "mfppr32" - /* For 32-bit, the upper 32 bits of the Program Priority Register (PPR) - are used, so the thread priority value is obtained from bits 43:46. */ -# define EXTRACT_THREAD_PRIORITY(x) ((x >> 18) & 7) -#endif /* !__powerpc64__ */ - -/* Read the thread priority value set in the PPR. */ -static __inline__ ppr_t -get_thread_priority (void) -{ - /* Read the PPR. */ - ppr_t ppr; - asm volatile (MFPPR" %0" : "=r"(ppr)); - /* Return the thread priority value. */ - return EXTRACT_THREAD_PRIORITY (ppr); -} - -/* Check the thread priority bits of PPR are set as expected. */ -uint8_t -check_thread_priority (uint8_t expected) -{ - ppr_t actual = get_thread_priority (); - - if (actual != expected) - { - printf ("FAIL: Expected %"PRIu8" got %"PRIuMAX".\n", expected, - (uintmax_t) actual); - return 1; - } - printf ("PASS: Thread priority set to %"PRIu8" correctly.\n", expected); - return 0; -} - -/* The Power ISA 2.06 allows the following thread priorities for any - problem state program: low (2), medium low (3), and medium (4). - Power ISA 2.07b added very low (1). - Check whether the values set by __ppc_set_ppr_* are correct. */ -static int -do_test (void) -{ - /* Check for the minimum required Power ISA to run these tests. */ - if ((getauxval (AT_HWCAP) & PPC_FEATURE_ARCH_2_06) == 0) - { - printf ("Requires an environment that implements the Power ISA version" - " 2.06 or greater.\n"); - return EXIT_UNSUPPORTED; - } - - uint8_t rc = 0; - -#ifdef _ARCH_PWR8 - __ppc_set_ppr_very_low (); - rc |= check_thread_priority (1); -#endif /* _ARCH_PWR8 */ - - __ppc_set_ppr_low (); - rc |= check_thread_priority (2); - - __ppc_set_ppr_med_low (); - rc |= check_thread_priority (3); - - __ppc_set_ppr_med (); - rc |= check_thread_priority (4); - - return rc; -} - -#include <support/test-driver.c> |