Import of WGRISC port. (Willowglen R3081 board)

1 files changed, 61 insertions, 0 deletions

diff --git a/sys/arch/wgrisc/include/psl.h b/sys/arch/wgrisc/include/psl.h
new file mode 100644
index 00000000000..1158aaae34f
--- /dev/null
+++ b/sys/arch/wgrisc/include/psl.h
@@ -0,0 +1,61 @@
+/*      $OpenBSD: psl.h,v 1.1 1997/02/06 16:02:43 pefo Exp $	*/
+
+/*
+ * Copyright (c) 1992, 1993
+ *	The Regents of the University of California.  All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * Ralph Campbell.
+ *
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by the University of
+ *	California, Berkeley and its contributors.
+ * 4. Neither the name of the University nor the names of its contributors
+ *    may be used to endorse or promote products derived from this software
+ *    without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``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 REGENTS 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.
+ *
+ *	from: @(#)psl.h	8.1 (Berkeley) 6/10/93
+ */
+
+#include <machine/cpu.h>
+
+#define	PSL_LOWIPL	(INT_MASK | SR_INT_ENAB)
+
+#define R3K_PSL_USERSET ( SR_KU_OLD	| SR_INT_ENA_OLD  |  \
+			  SR_KU_PREV	| SR_INT_ENA_PREV |  \
+			  INT_MASK)
+
+#define	R4K_PSL_USERSET ( SR_KSU_USER |	 SR_INT_ENAB |	\
+			  SR_EXL      |	 INT_MASK)
+
+/*
+ * Macros to decode processor status word.
+ */
+#define	R3K_USERMODE(ps) ((ps) & SR_KU_PREV)
+#define R3K_BASEPRI(ps)	 (((ps) & (INT_MASK | SR_INT_ENA_PREV)) \
+				== (INT_MASK | SR_INT_ENA_PREV))
+
+#define	R4K_USERMODE(ps) (((ps) & SR_KSU_MASK) == SR_KSU_USER)
+#define	R4K_BASEPRI(ps)	 (((ps) & (INT_MASK | SR_INT_ENA_PREV)) \
+				== (INT_MASK | SR_INT_ENA_PREV))