-Subject: [PATCH] libpthread: AVR32 support
-
-Implement pt-machine.h for AVR32.
----
-
- libpthread/linuxthreads/sysdeps/avr32/pt-machine.h | 92 +++++++++++++++++++++
- 1 file changed, 92 insertions(+)
-
-Index: uClibc-0.9.28/libpthread/linuxthreads/sysdeps/avr32/pt-machine.h
-===================================================================
---- /dev/null 1970-01-01 00:00:00.000000000 +0000
-+++ uClibc-0.9.28/libpthread/linuxthreads/sysdeps/avr32/pt-machine.h 2006-02-07 17:14:47.000000000 +0100
-@@ -0,0 +1,92 @@
-+/* Machine-dependent pthreads configuration and inline functions.
-+
-+ Copyright (C) 2005 Atmel Norway
-+ 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>
-+
-+static inline int
-+_test_and_set (int *p, int v) __THROW
-+{
-+ int result;
-+
-+ __asm__ __volatile__(
-+ "/* Inline test and set */\n"
-+ "1: ssrf 5\n"
-+ " ld.w %0, %2\n"
-+ " tst %0, %3\n"
-+ " breq 2f\n"
-+ " stcond %1, %3\n"
-+ " brne 1b\n"
-+ "2:"
-+ : "=&r"(result), "=m"(*p)
-+ : "m"(*p), "r"(v)
-+ : "memory", "cc");
-+
-+ return result;
-+}
-+
-+#ifndef PT_EI
-+# define PT_EI extern inline
-+#endif
-+
-+extern long int testandset (int *spinlock);
-+extern int __compare_and_swap (long int *p, long int oldval, long int newval);
-+
-+/* Spinlock implementation; required. */
-+PT_EI long int
-+testandset (int *spinlock)
-+{
-+ return _test_and_set(spinlock, 1);
-+}
-+
-+
-+/* 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. */
-+
-+#define HAS_COMPARE_AND_SWAP
-+PT_EI int
-+__compare_and_swap(long int *p, long int oldval, long int newval)
-+{
-+ long int result, tmp;
-+
-+ __asm__ __volatile__(
-+ "/* Inline compare and swap */\n"
-+ "1: ssrf 5\n"
-+ " ld.w %1, %3\n"
-+ " cp.w %1, %5\n"
-+ " sreq %0\n"
-+ " brne 2f\n"
-+ " stcond %2, %4\n"
-+ " brne 1b\n"
-+ "2:"
-+ : "=&r"(result), "=&r"(tmp), "=m"(*p)
-+ : "m"(*p), "r"(newval), "r"(oldval)
-+ : "cc", "memory");
-+
-+ return result;
-+}
-+
-+#endif /* pt-machine.h */