diff options
Diffstat (limited to 'sysdeps/powerpc/test-get_hwcap.c')
| -rw-r--r-- | sysdeps/powerpc/test-get_hwcap.c | 177 |
1 files changed, 0 insertions, 177 deletions
diff --git a/sysdeps/powerpc/test-get_hwcap.c b/sysdeps/powerpc/test-get_hwcap.c deleted file mode 100644 index d776310734..0000000000 --- a/sysdeps/powerpc/test-get_hwcap.c +++ /dev/null @@ -1,177 +0,0 @@ -/* Check __ppc_get_hwcap() and __ppc_get_at_plaftorm() functionality. - Copyright (C) 2015-2017 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/>. */ - -/* Tests if the hwcap, hwcap2 and platform data are stored in the TCB. */ - -#include <inttypes.h> -#include <stdio.h> -#include <stdint.h> -#include <pthread.h> - -#include <support/check.h> -#include <support/xthread.h> - -#include <sys/auxv.h> - -#include <dl-procinfo.h> - -#ifndef STATIC_TST_HWCAP -#undef PROCINFO_DECL -#include <dl-procinfo.c> -#endif - -/* Offsets copied from tcb-offsets.h. */ - -#ifdef __powerpc64__ -# define __TPREG "r13" -# define __HWCAPOFF -28776 -# define __ATPLATOFF -28764 -#else -# define __TPREG "r2" -# define __HWCAPOFF -28736 -# define __HWCAP2OFF -28732 -# define __ATPLATOFF -28724 -#endif - -uint64_t check_tcbhwcap (long tid) -{ - - uint32_t tcb_at_platform, at_platform; - uint64_t hwcap, hwcap2, tcb_hwcap; - const char *at_platform_string; - - /* Testing if the hwcap/hwcap2 data is correctly initialized by - TLS_TP_INIT. */ - - register unsigned long __tp __asm__ (__TPREG); - -#ifdef __powerpc64__ - __asm__ ("ld %0,%1(%2)\n" - : "=r" (tcb_hwcap) - : "i" (__HWCAPOFF), "b" (__tp)); -#else - uint64_t h1, h2; - - __asm__ ("lwz %0,%1(%2)\n" - : "=r" (h1) - : "i" (__HWCAPOFF), "b" (__tp)); - __asm__ ("lwz %0,%1(%2)\n" - : "=r" (h2) - : "i" (__HWCAP2OFF), "b" (__tp)); - tcb_hwcap = (h1 >> 32) << 32 | (h2 >> 32); -#endif - - hwcap = getauxval (AT_HWCAP); - hwcap2 = getauxval (AT_HWCAP2); - - /* hwcap contains only the latest supported ISA, the code checks which is - and fills the previous supported ones. This is necessary because the - same is done in hwcapinfo.c when setting the values that are copied to - the TCB. */ - - if (hwcap2 & PPC_FEATURE2_ARCH_2_07) - hwcap |= PPC_FEATURE_ARCH_2_06 - | PPC_FEATURE_ARCH_2_05 - | PPC_FEATURE_POWER5_PLUS - | PPC_FEATURE_POWER5 - | PPC_FEATURE_POWER4; - else if (hwcap & PPC_FEATURE_ARCH_2_06) - hwcap |= PPC_FEATURE_ARCH_2_05 - | PPC_FEATURE_POWER5_PLUS - | PPC_FEATURE_POWER5 - | PPC_FEATURE_POWER4; - else if (hwcap & PPC_FEATURE_ARCH_2_05) - hwcap |= PPC_FEATURE_POWER5_PLUS - | PPC_FEATURE_POWER5 - | PPC_FEATURE_POWER4; - else if (hwcap & PPC_FEATURE_POWER5_PLUS) - hwcap |= PPC_FEATURE_POWER5 - | PPC_FEATURE_POWER4; - else if (hwcap & PPC_FEATURE_POWER5) - hwcap |= PPC_FEATURE_POWER4; - - hwcap = (hwcap << 32) + hwcap2; - - if ( tcb_hwcap != hwcap ) - { - printf ("FAIL: __ppc_get_hwcap() - HWCAP is %" PRIx64 ". Should be %" - PRIx64 " for thread %ld.\n", tcb_hwcap, hwcap, tid); - return 1; - } - - /* Same test for the platform number. */ - __asm__ ("lwz %0,%1(%2)\n" - : "=r" (tcb_at_platform) - : "i" (__ATPLATOFF), "b" (__tp)); - - at_platform_string = (const char *) getauxval (AT_PLATFORM); - at_platform = _dl_string_platform (at_platform_string); - - if ( tcb_at_platform != at_platform ) - { - printf ("FAIL: __ppc_get_at_platform() - AT_PLATFORM is %x. Should be %x" - " for thread %ld\n", tcb_at_platform, at_platform, tid); - return 1; - } - - return 0; -} - -void *t1 (void *tid) -{ - if (check_tcbhwcap ((long) tid)) - { - pthread_exit (tid); - } - - pthread_exit (NULL); - -} - -static int -do_test (void) -{ - - pthread_t threads[2]; - pthread_attr_t attr; - pthread_attr_init (&attr); - pthread_attr_setdetachstate (&attr, PTHREAD_CREATE_JOINABLE); - - long i = 0; - - /* Check for main. */ - if (check_tcbhwcap (i)) - { - return 1; - } - - /* Check for other thread. */ - i++; - threads[i] = xpthread_create (&attr, t1, (void *)i); - - pthread_attr_destroy (&attr); - TEST_VERIFY_EXIT (xpthread_join (threads[i]) == NULL); - - printf("PASS: HWCAP, HWCAP2 and AT_PLATFORM are correctly set in the TCB for" - " all threads.\n"); - - pthread_exit (NULL); - -} - -#include <support/test-driver.c> |