Add code for supporting hardware watch points.

Submitted by:	tmm

1 files changed, 41 insertions, 0 deletions

diff --git a/sys/sparc64/include/watch.h b/sys/sparc64/include/watch.h
new file mode 100644
index 0000000..bd0e2f0
--- /dev/null
+++ b/sys/sparc64/include/watch.h
@@ -0,0 +1,41 @@
+/*-
+ * Copyright 2001 by Thomas Moestl <tmm@FreeBSD.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. Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in the
+ *    documentation and/or other materials provided with the distribution.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``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 OR CONTRIBUTORS 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.
+ *
+ * $FreeBSD$
+ */
+
+#ifndef	_MACHINE_WATCH_H_
+#define	_MACHINE_WATCH_H_
+
+int	watch_phys_set_mask(vm_offset_t pa, u_long mask);
+int	watch_phys_set(vm_offset_t pa, int sz);
+vm_offset_t	watch_phys_get(int *bm);
+void	watch_phys_clear(void);
+int	watch_phys_active(void);
+int	watch_virt_set_mask(vm_offset_t va, u_long mask);
+int	watch_virt_set(vm_offset_t va, int sz);
+vm_offset_t	watch_virt_get(int *bm);
+void	watch_virt_clear(void);
+int	watch_virt_active(void);
+
+#endif	/* _MACHINE_WATCH_H_ */