386BSD 0.1 development

Work on file usr/src/sys.386bsd/i386/include/psl.h

Co-Authored-By: Lynne Greer Jolitz <ljolitz@cardio.ucsf.edu>
Synthesized-from: 386BSD-0.1

diff --git a/usr/src/sys.386bsd/i386/include/psl.h b/usr/src/sys.386bsd/i386/include/psl.h
new file mode 100644 (file)
index 0000000..aee73ed
--- /dev/null
+++ b/usr/src/sys.386bsd/i386/include/psl.h
@@ -0,0 +1,60 @@
+/*-
+ * Copyright (c) 1990 The Regents of the University of California.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to Berkeley by
+ * William Jolitz.
+ *
+ * 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.
+ *
+ *     @(#)psl.h       5.2 (Berkeley) 1/18/91
+ */
+
+/*
+ * 386 processor status longword.
+ */
+#define        PSL_C           0x00000001      /* carry bit */
+#define        PSL_PF          0x00000004      /* parity bit */
+#define        PSL_AF          0x00000010      /* bcd carry bit */
+#define        PSL_Z           0x00000040      /* zero bit */
+#define        PSL_N           0x00000080      /* negative bit */
+#define        PSL_T           0x00000100      /* trace enable bit */
+#define        PSL_I           0x00000200      /* interrupt enable bit */
+#define        PSL_D           0x00000400      /* string instruction direction bit */
+#define        PSL_V           0x00000800      /* overflow bit */
+#define        PSL_IOPL        0x00003000      /* i/o priviledge level enable */
+#define        PSL_NT          0x00004000      /* nested task bit */
+#define        PSL_RF          0x00010000      /* restart flag bit */
+#define        PSL_VM          0x00020000      /* virtual 8086 mode bit */
+
+#define        PSL_MBZ         0xfffc7fb7      /* must be zero bits */
+#define        PSL_MBO         0x00000002      /* must be one bits */
+
+#define        PSL_USERSET     (PSL_IOPL)
+#define        PSL_USERCLR     (PSL_I|PSL_NT)