zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libpthread/linuxthreads/sysdeps/cris/pt-machine.h b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/cris/pt-machine.h
new file mode 100644
index 0000000..33cf579
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads/sysdeps/cris/pt-machine.h
@@ -0,0 +1,57 @@
+/* Machine-dependent pthreads configuration and inline functions.
+ CRIS version.
+ Copyright (C) 2001, 2002, 2003 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; see the file COPYING.LIB. If not,
+ write to the Free Software Foundation, Inc., 59 Temple Place - Suite 330,
+ Boston, MA 02111-1307, USA. */
+
+#ifndef _PT_MACHINE_H
+#define _PT_MACHINE_H 1
+
+#include <features.h>
+
+#ifndef PT_EI
+# define PT_EI __extern_always_inline
+#endif
+
+PT_EI long int
+testandset (int *spinlock)
+{
+ register unsigned long int ret;
+
+ /* Note the use of a dummy output of *spinlock to expose the write. The
+ memory barrier is to stop *other* writes being moved past this code. */
+ __asm__ __volatile__("clearf\n"
+ "0:\n\t"
+ "movu.b [%2],%0\n\t"
+ "ax\n\t"
+ "move.b %3,[%2]\n\t"
+ "bwf 0b\n\t"
+ "clearf"
+ : "=&r" (ret), "=m" (*spinlock)
+ : "r" (spinlock), "r" ((int) 1)
+ : "memory");
+ return ret;
+}
+
+
+/* Get some notion of the current stack. Need not be exactly the top
+ of the stack, just something somewhere in the current frame.
+ I don't trust register variables, so let's do this the safe way. */
+#define CURRENT_STACK_FRAME \
+ ({ char *sp; __asm__ ("move.d $sp,%0" : "=rm" (sp)); sp; })
+
+#endif /* pt-machine.h */