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authorMark Kettenis <kettenis@cvs.openbsd.org>2007-03-22 19:26:29 +0000
committerMark Kettenis <kettenis@cvs.openbsd.org>2007-03-22 19:26:29 +0000
commitf9328a9d729c2c45cf9206acbd704286d906629e (patch)
tree2d3c92ac279f5e6884f2becbd6a8094b900be389 /sys/arch/powerpc/include
parent35dd6c7fe34fb7c7f20c55d57f526f32ac9d412f (diff)
Move powerpc to __HAVE_MUTEX. With help from drahn@. Tested by nick@, xsa@,
deraadt@. "reads right" deraadt@
Diffstat (limited to 'sys/arch/powerpc/include')
-rw-r--r--sys/arch/powerpc/include/_types.h3
-rw-r--r--sys/arch/powerpc/include/mutex.h52
2 files changed, 54 insertions, 1 deletions
diff --git a/sys/arch/powerpc/include/_types.h b/sys/arch/powerpc/include/_types.h
index d8cc81d4506..2704dabf203 100644
--- a/sys/arch/powerpc/include/_types.h
+++ b/sys/arch/powerpc/include/_types.h
@@ -1,4 +1,4 @@
-/* $OpenBSD: _types.h,v 1.3 2007/03/20 20:59:53 kettenis Exp $ */
+/* $OpenBSD: _types.h,v 1.4 2007/03/22 19:26:28 kettenis Exp $ */
/*-
* Copyright (c) 1990, 1993
@@ -117,5 +117,6 @@ typedef void * __wctype_t;
/* Feature test macros */
#define __HAVE_CPUINFO
+#define __HAVE_MUTEX
#endif /* _POWERPC__TYPES_H_ */
diff --git a/sys/arch/powerpc/include/mutex.h b/sys/arch/powerpc/include/mutex.h
new file mode 100644
index 00000000000..5c7b60e9764
--- /dev/null
+++ b/sys/arch/powerpc/include/mutex.h
@@ -0,0 +1,52 @@
+/* $OpenBSD: mutex.h,v 1.1 2007/03/22 19:26:28 kettenis Exp $ */
+
+/*
+ * Copyright (c) 2004 Artur Grabowski <art@openbsd.org>
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions
+ * are met:
+ *
+ * 1. Redistributions of source code must retain the above copyright
+ * notice, this list of conditions and the following disclaimer.
+ * 2. The name of the author may not be used to endorse or promote products
+ * derived from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES,
+ * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY
+ * AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL
+ * THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,
+ * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,
+ * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;
+ * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
+ * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
+ * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
+ * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+#ifndef _POWERPC_MUTEX_H_
+#define _POWERPC_MUTEX_H_
+
+struct mutex {
+ int mtx_wantipl;
+ int mtx_oldcpl;
+ __volatile void *mtx_owner;
+};
+
+#define MUTEX_INITIALIZER(ipl) { (ipl), 0, NULL }
+
+#define MUTEX_ASSERT_LOCKED(mtx) do { \
+ if ((mtx)->mtx_owner != curcpu()) \
+ panic("mutex %p not held in %s", (mtx), __func__); \
+} while (0)
+
+#define MUTEX_ASSERT_UNLOCKED(mtx) do { \
+ if ((mtx)->mtx_owner == curcpu()) \
+ panic("mutex %p held in %s", (mtx), __func__); \
+} while (0)
+
+#if 0
+#define MUTEX_OLDIPL(mtx) (mtx)->mtx_oldipl
+#endif
+
+#endif