Copy i386 psl.h to x86 and replace amd64/i386/pc98 psl.h with stubs.

1 files changed, 84 insertions, 0 deletions

diff --git a/sys/x86/include/psl.h b/sys/x86/include/psl.h
new file mode 100644
index 0000000..12d05c5
--- /dev/null
+++ b/sys/x86/include/psl.h
@@ -0,0 +1,84 @@
+/*-
+ * 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.
+ * 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	5.2 (Berkeley) 1/18/91
+ * $FreeBSD$
+ */
+
+#ifndef _MACHINE_PSL_H_
+#define	_MACHINE_PSL_H_
+
+/*
+ * 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 privilege level */
+#define	PSL_NT		0x00004000	/* nested task bit */
+#define	PSL_RF		0x00010000	/* resume flag bit */
+#define	PSL_VM		0x00020000	/* virtual 8086 mode bit */
+#define	PSL_AC		0x00040000	/* alignment checking */
+#define	PSL_VIF		0x00080000	/* virtual interrupt enable */
+#define	PSL_VIP		0x00100000	/* virtual interrupt pending */
+#define	PSL_ID		0x00200000	/* identification bit */
+
+/*
+ * The i486 manual says that we are not supposed to change reserved flags,
+ * but this is too much trouble since the reserved flags depend on the cpu
+ * and setting them to their historical values works in practice.
+ */
+#define	PSL_RESERVED_DEFAULT	0x00000002
+
+/*
+ * Initial flags for kernel and user mode.  The kernel later inherits
+ * PSL_I and some other flags from user mode.
+ */
+#define	PSL_KERNEL	PSL_RESERVED_DEFAULT
+#define	PSL_USER	(PSL_RESERVED_DEFAULT | PSL_I)
+
+/*
+ * Bits that can be changed in user mode on 486's.  We allow these bits
+ * to be changed using ptrace(), sigreturn() and procfs.  Setting PS_NT
+ * is undesirable but it may as well be allowed since users can inflict
+ * it on the kernel directly.  Changes to PSL_AC are silently ignored on
+ * 386's.
+ */
+#define	PSL_USERCHANGE (PSL_C | PSL_PF | PSL_AF | PSL_Z | PSL_N | PSL_T \
+			| PSL_D | PSL_V | PSL_NT | PSL_AC | PSL_ID)
+
+#endif /* !_MACHINE_PSL_H_ */