summaryrefslogtreecommitdiff
path: root/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9
diff options
context:
space:
mode:
authorAustin Foxley <austinf@cetoncorp.com>2009-10-17 12:26:24 -0700
committerAustin Foxley <austinf@cetoncorp.com>2009-10-17 12:26:24 -0700
commitc68d0fa2d88fc2134a38d99e7e944828384a7671 (patch)
tree6596943bd1c77f18d6e49d4153ddd3f3d67b49f5 /libpthread/nptl/sysdeps/sparc/sparc32/sparcv9
parent9a03e98a3b418f33c347a6023e9320f3a42cb9e4 (diff)
libpthread/nptl: core of the "Native Posix Threading Library" for uClibc
targetting arm,sh,i386,mips,sparc for now Signed-off-by: Austin Foxley <austinf@cetoncorp.com>
Diffstat (limited to 'libpthread/nptl/sysdeps/sparc/sparc32/sparcv9')
-rw-r--r--libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_lock.c39
-rw-r--r--libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_trylock.c1
-rw-r--r--libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_unlock.c1
3 files changed, 41 insertions, 0 deletions
diff --git a/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_lock.c b/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_lock.c
new file mode 100644
index 000000000..8880f535b
--- /dev/null
+++ b/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_lock.c
@@ -0,0 +1,39 @@
+/* Copyright (C) 2003 Free Software Foundation, Inc.
+ This file is part of the GNU C Library.
+ Contributed by Jakub Jelinek <jakub@redhat.com>, 2003.
+
+ 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, write to the Free
+ Software Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA
+ 02111-1307 USA. */
+
+#include "pthreadP.h"
+
+int
+pthread_spin_lock (pthread_spinlock_t *lock)
+{
+ __asm __volatile
+ ("1: ldstub [%0], %%g2\n"
+ " brnz,pn %%g2, 2f\n"
+ " membar #StoreLoad | #StoreStore\n"
+ ".subsection 2\n"
+ "2: ldub [%0], %%g2\n"
+ " brnz,pt %%g2, 2b\n"
+ " membar #LoadLoad\n"
+ " b,a,pt %%xcc, 1b\n"
+ ".previous"
+ : /* no outputs */
+ : "r" (lock)
+ : "g2", "memory");
+ return 0;
+}
diff --git a/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_trylock.c b/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_trylock.c
new file mode 100644
index 000000000..3b20a2180
--- /dev/null
+++ b/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_trylock.c
@@ -0,0 +1 @@
+#include <sparc64/pthread_spin_trylock.c>
diff --git a/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_unlock.c b/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_unlock.c
new file mode 100644
index 000000000..482cbe3d7
--- /dev/null
+++ b/libpthread/nptl/sysdeps/sparc/sparc32/sparcv9/pthread_spin_unlock.c
@@ -0,0 +1 @@
+#include <sparc64/pthread_spin_unlock.c>