Move rtems/freebsd to freebsd and contrib to freebsd/contrib

1 files changed, 130 insertions, 0 deletions

diff --git a/freebsd/sys/priority.h b/freebsd/sys/priority.h
new file mode 100644
index 00000000..dbaa5eaa
--- /dev/null
+++ b/freebsd/sys/priority.h
@@ -0,0 +1,130 @@
+/*-
+ * Copyright (c) 1994, Henrik Vestergaard Draboel
+ * 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.
+ * 3. All advertising materials mentioning features or use of this software
+ *    must display the following acknowledgement:
+ *	This product includes software developed by Henrik Vestergaard Draboel.
+ * 4. 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 BY THE AUTHOR 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 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 _SYS_PRIORITY_HH_
+#define _SYS_PRIORITY_HH_
+
+/*
+ * Process priority specifications.
+ */
+
+/*
+ * Priority classes.
+ */
+
+#define	PRI_ITHD		1	/* Interrupt thread. */
+#define	PRI_REALTIME		2	/* Real time process. */
+#define	PRI_TIMESHARE		3	/* Time sharing process. */
+#define	PRI_IDLE		4	/* Idle process. */
+
+/*
+ * PRI_FIFO is POSIX.1B SCHED_FIFO.
+ */
+
+#define	PRI_FIFO_BIT		8
+#define	PRI_FIFO		(PRI_FIFO_BIT | PRI_REALTIME)
+
+#define	PRI_BASE(P)		((P) & ~PRI_FIFO_BIT)
+#define	PRI_IS_REALTIME(P)	(PRI_BASE(P) == PRI_REALTIME)
+#define	PRI_NEED_RR(P)		((P) != PRI_FIFO)
+
+/*
+ * Priorities.  Note that with 64 run queues, differences less than 4 are
+ * insignificant.
+ */
+
+/*
+ * Priorities range from 0 to 255, but differences of less then 4 (RQ_PPQ)
+ * are insignificant.  Ranges are as follows:
+ *
+ * Interrupt threads:		0 - 63
+ * Top half kernel threads:	64 - 127
+ * Realtime user threads:	128 - 159
+ * Time sharing user threads:	160 - 223
+ * Idle user threads:		224 - 255
+ *
+ * XXX If/When the specific interrupt thread and top half thread ranges
+ * disappear, a larger range can be used for user processes.
+ */
+
+#define	PRI_MIN			(0)		/* Highest priority. */
+#define	PRI_MAX			(255)		/* Lowest priority. */
+
+#define	PRI_MIN_ITHD		(PRI_MIN)
+#define	PRI_MAX_ITHD		(PRI_MIN_KERN - 1)
+
+#define	PI_REALTIME		(PRI_MIN_ITHD + 0)
+#define	PI_AV			(PRI_MIN_ITHD + 4)
+#define	PI_TTYHIGH		(PRI_MIN_ITHD + 8)
+#define	PI_TAPE			(PRI_MIN_ITHD + 12)
+#define	PI_NET			(PRI_MIN_ITHD + 16)
+#define	PI_DISK			(PRI_MIN_ITHD + 20)
+#define	PI_TTYLOW		(PRI_MIN_ITHD + 24)
+#define	PI_DISKLOW		(PRI_MIN_ITHD + 28)
+#define	PI_DULL			(PRI_MIN_ITHD + 32)
+#define	PI_SOFT			(PRI_MIN_ITHD + 36)
+
+#define	PRI_MIN_KERN		(64)
+#define	PRI_MAX_KERN		(PRI_MIN_REALTIME - 1)
+
+#define	PSWP			(PRI_MIN_KERN + 0)
+#define	PVM			(PRI_MIN_KERN + 4)
+#define	PINOD			(PRI_MIN_KERN + 8)
+#define	PRIBIO			(PRI_MIN_KERN + 12)
+#define	PVFS			(PRI_MIN_KERN + 16)
+#define	PZERO			(PRI_MIN_KERN + 20)
+#define	PSOCK			(PRI_MIN_KERN + 24)
+#define	PWAIT			(PRI_MIN_KERN + 28)
+#define	PCONFIG			(PRI_MIN_KERN + 32)
+#define	PLOCK			(PRI_MIN_KERN + 36)
+#define	PPAUSE			(PRI_MIN_KERN + 40)
+
+#define	PRI_MIN_REALTIME	(128)
+#define	PRI_MAX_REALTIME	(PRI_MIN_TIMESHARE - 1)
+
+#define	PRI_MIN_TIMESHARE	(160)
+#define	PRI_MAX_TIMESHARE	(PRI_MIN_IDLE - 1)
+
+#define	PUSER			(PRI_MIN_TIMESHARE)
+
+#define	PRI_MIN_IDLE		(224)
+#define	PRI_MAX_IDLE		(PRI_MAX)
+
+struct priority {
+	u_char	pri_class;	/* Scheduling class. */
+	u_char	pri_level;	/* Normal priority level. */
+	u_char	pri_native;	/* Priority before propogation. */
+	u_char	pri_user;	/* User priority based on p_cpu and p_nice. */
+};
+
+#endif	/* !_SYS_PRIORITY_HH_ */