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Diffstat (limited to 'sysdeps/powerpc/hwcapinfo.c')
-rw-r--r--sysdeps/powerpc/hwcapinfo.c84
1 files changed, 0 insertions, 84 deletions
diff --git a/sysdeps/powerpc/hwcapinfo.c b/sysdeps/powerpc/hwcapinfo.c
deleted file mode 100644
index 82ad222c36..0000000000
--- a/sysdeps/powerpc/hwcapinfo.c
+++ /dev/null
@@ -1,84 +0,0 @@
-/* powerpc HWCAP/HWCAP2 and AT_PLATFORM data pre-processing.
- 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/>. */
-
-#include <unistd.h>
-#include <shlib-compat.h>
-#include <dl-procinfo.h>
-
-uint64_t __tcb_hwcap __attribute__ ((visibility ("hidden")));
-uint32_t __tcb_platform __attribute__ ((visibility ("hidden")));
-
-/* This function parses the HWCAP/HWCAP2 fields, adding the previous supported
- ISA bits, as well as converting the AT_PLATFORM string to a number. This
- data is stored in two global variables that can be used later by the
- powerpc-specific code to store it into the TCB. */
-void
-__tcb_parse_hwcap_and_convert_at_platform (void)
-{
-
- uint64_t h1, h2;
-
- /* Read AT_PLATFORM string from auxv and convert it to a number. */
- __tcb_platform = _dl_string_platform (GLRO (dl_platform));
-
- /* Read HWCAP and HWCAP2 from auxv. */
- h1 = GLRO (dl_hwcap);
- h2 = GLRO (dl_hwcap2);
-
- /* hwcap contains only the latest supported ISA, the code checks which is
- and fills the previous supported ones. */
-
- if (h2 & PPC_FEATURE2_ARCH_2_07)
- h1 |= PPC_FEATURE_ARCH_2_06
- | PPC_FEATURE_ARCH_2_05
- | PPC_FEATURE_POWER5_PLUS
- | PPC_FEATURE_POWER5
- | PPC_FEATURE_POWER4;
- else if (h1 & PPC_FEATURE_ARCH_2_06)
- h1 |= PPC_FEATURE_ARCH_2_05
- | PPC_FEATURE_POWER5_PLUS
- | PPC_FEATURE_POWER5
- | PPC_FEATURE_POWER4;
- else if (h1 & PPC_FEATURE_ARCH_2_05)
- h1 |= PPC_FEATURE_POWER5_PLUS
- | PPC_FEATURE_POWER5
- | PPC_FEATURE_POWER4;
- else if (h1 & PPC_FEATURE_POWER5_PLUS)
- h1 |= PPC_FEATURE_POWER5
- | PPC_FEATURE_POWER4;
- else if (h1 & PPC_FEATURE_POWER5)
- h1 |= PPC_FEATURE_POWER4;
-
- /* Consolidate both HWCAP and HWCAP2 into a single doubleword so that
- we can read both in a single load later. */
- __tcb_hwcap = h2;
- __tcb_hwcap = (h1 << 32) | __tcb_hwcap;
-
-}
-#if IS_IN (rtld)
-versioned_symbol (ld, __tcb_parse_hwcap_and_convert_at_platform, \
- __parse_hwcap_and_convert_at_platform, GLIBC_2_23);
-#endif
-
-/* Export __parse_hwcap_and_convert_at_platform in libc.a. This is used by
- GCC to make sure that the HWCAP/Platform bits are stored in the TCB when
- using __builtin_cpu_is()/__builtin_cpu_supports() in the static case. */
-#ifndef SHARED
-weak_alias (__tcb_parse_hwcap_and_convert_at_platform, \
- __parse_hwcap_and_convert_at_platform);
-#endif