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authorWaldemar Brodkorb <wbx@openadk.org>2015-02-14 23:00:19 -0600
committerWaldemar Brodkorb <wbx@openadk.org>2015-02-14 23:00:19 -0600
commit6b6ede3d15f04fe825cfa9f697507457e3640344 (patch)
treeefe9bf75eaf2200f89087ed0ef2ef350549ccd6d /libpthread/linuxthreads.old/sysdeps/bfin
parentf972c2262fd4efc2bbf9789dce145bb705acec24 (diff)
resolve merge
Diffstat (limited to 'libpthread/linuxthreads.old/sysdeps/bfin')
-rw-r--r--libpthread/linuxthreads.old/sysdeps/bfin/pt-machine.h75
1 files changed, 0 insertions, 75 deletions
diff --git a/libpthread/linuxthreads.old/sysdeps/bfin/pt-machine.h b/libpthread/linuxthreads.old/sysdeps/bfin/pt-machine.h
deleted file mode 100644
index 912d64b2c..000000000
--- a/libpthread/linuxthreads.old/sysdeps/bfin/pt-machine.h
+++ /dev/null
@@ -1,75 +0,0 @@
-/* Machine-dependent pthreads configuration and inline functions.
- Copyright (C) 1996, 1998, 2000, 2002 Free Software Foundation, Inc.
- This file is part of the GNU C Library.
- Contributed by Richard Henderson <rth@tamu.edu>.
-
- 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; see the file COPYING.LIB. If
- not, see <http://www.gnu.org/licenses/>. */
-
-#ifndef _PT_MACHINE_H
-#define _PT_MACHINE_H 1
-
-#include <features.h>
-
-#ifndef PT_EI
-# define PT_EI __extern_always_inline
-#endif
-
-#include <asm/fixed_code.h>
-
-/* Spinlock implementation; required. */
-/* The semantics of the TESTSET instruction cannot be guaranteed. We cannot
- easily move all locks used by linux kernel to non-cacheable memory.
- EXCPT 0x4 is used to trap into kernel to do the atomic testandset.
- It's ugly. But it's the only thing we can do now.
- The handler of EXCPT 0x4 expects the address of the lock is passed through
- R0. And the result is returned by R0. */
-PT_EI long int
-testandset (int *spinlock)
-{
- long int res;
-
- __asm__ __volatile__ (
- "CALL (%4);"
- : "=q0" (res), "=m" (*spinlock)
- : "qA" (spinlock), "m" (*spinlock), "a" (ATOMIC_XCHG32), "q1" (1)
- : "RETS", "cc", "memory");
-
- return res;
-}
-
-#define HAS_COMPARE_AND_SWAP
-PT_EI int
-__compare_and_swap (long int *p, long int oldval, long int newval)
-{
- long int readval;
- __asm__ __volatile__ (
- "CALL (%5);"
- : "=q0" (readval), "=m" (*p)
- : "qA" (p),
- "q1" (oldval),
- "q2" (newval),
- "a" (ATOMIC_CAS32),
- "m" (*p)
- : "RETS", "memory", "cc");
- return readval == oldval;
-}
-
-#ifdef SHARED
-# define PTHREAD_STATIC_FN_REQUIRE(name)
-#else
-# define PTHREAD_STATIC_FN_REQUIRE(name) __asm__ (".globl " "_"#name);
-#endif
-
-#endif /* pt-machine.h */