zte's code,first commit
Change-Id: I9a04da59e459a9bc0d67f101f700d9d7dc8d681b
diff --git a/ap/build/uClibc/libpthread/linuxthreads.old/sysdeps/m68k/pt-machine.h b/ap/build/uClibc/libpthread/linuxthreads.old/sysdeps/m68k/pt-machine.h
new file mode 100644
index 0000000..f9cf530
--- /dev/null
+++ b/ap/build/uClibc/libpthread/linuxthreads.old/sysdeps/m68k/pt-machine.h
@@ -0,0 +1,75 @@
+/* Machine-dependent pthreads configuration and inline functions.
+ m68k version.
+ Copyright (C) 1996, 1998, 2000, 2002, 2003 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, 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
+
+/* Spinlock implementation; required. */
+PT_EI long int
+testandset (int *spinlock)
+{
+ char ret;
+
+ __asm__ __volatile__(
+#if !defined(__mcoldfire__) && !defined(__mcf5200__) && !defined(__m68000)
+ "tas %1; sne %0"
+#else
+ "bset #7,%1; sne %0"
+#endif
+ : "=&dm"(ret), "=m"(*spinlock)
+ : "m"(*spinlock)
+ : "cc");
+
+ 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. */
+#define CURRENT_STACK_FRAME stack_pointer
+register char * stack_pointer __asm__ ("%sp");
+
+
+/* Compare-and-swap for semaphores. */
+
+#if !defined(__mcoldfire__) && !defined(__mcf5200__) && !defined(__mc68000)
+#define HAS_COMPARE_AND_SWAP
+PT_EI int
+__compare_and_swap (long int *p, long int oldval, long int newval)
+{
+ char ret;
+ long int readval;
+
+ __asm__ __volatile__ ("casl %2, %3, %1; seq %0"
+ : "=dm" (ret), "=m" (*p), "=d" (readval)
+ : "d" (newval), "m" (*p), "2" (oldval));
+
+ return ret;
+}
+#endif
+
+#endif /* pt-machine.h */