ARM headers

include/arch/arm/Makefile

@@ -0,0 +1,6 @@
+#	$NetBSD: Makefile,v 1.38 2009/08/30 02:00:56 dyoung Exp $
+
+
+SUBDIR=	include
+
+.include <bsd.subdir.mk>

include/arch/arm/include/lock.h

@@ -0,0 +1,125 @@
+/*	$NetBSD: lock.h,v 1.17 2008/04/28 20:23:14 martin Exp $	*/
+
+/*-
+ * Copyright (c) 2000, 2001 The NetBSD Foundation, Inc.
+ * All rights reserved.
+ *
+ * This code is derived from software contributed to The NetBSD Foundation
+ * by Jason R. Thorpe.
+ *
+ * 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 NETBSD FOUNDATION, INC. 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 FOUNDATION 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.
+ */
+
+/*
+ * Machine-dependent spin lock operations.
+ *
+ * NOTE: The SWP insn used here is available only on ARM architecture
+ * version 3 and later (as well as 2a).  What we are going to do is
+ * expect that the kernel will trap and emulate the insn.  That will
+ * be slow, but give us the atomicity that we need.
+ */
+
+#ifndef _ARM_LOCK_H_
+#define	_ARM_LOCK_H_
+
+static __inline int
+__SIMPLELOCK_LOCKED_P(__cpu_simple_lock_t *__ptr)
+{
+	return *__ptr == __SIMPLELOCK_LOCKED;
+}
+
+static __inline int
+__SIMPLELOCK_UNLOCKED_P(__cpu_simple_lock_t *__ptr)
+{
+	return *__ptr == __SIMPLELOCK_UNLOCKED;
+}
+
+static __inline void
+__cpu_simple_lock_clear(__cpu_simple_lock_t *__ptr)
+{
+	*__ptr = __SIMPLELOCK_UNLOCKED;
+}
+
+static __inline void
+__cpu_simple_lock_set(__cpu_simple_lock_t *__ptr)
+{
+	*__ptr = __SIMPLELOCK_LOCKED;
+}
+
+#ifdef _KERNEL
+#include <arm/cpufunc.h>
+
+#define	mb_read		drain_writebuf		/* in cpufunc.h */
+#define	mb_write	drain_writebuf		/* in cpufunc.h */
+#define	mb_memory	drain_writebuf		/* in cpufunc.h */
+#endif
+
+#if defined(_KERNEL)
+static __inline int
+__swp(int __val, volatile unsigned char *__ptr)
+{
+
+	__asm volatile("swpb %0, %1, [%2]"
+	    : "=&r" (__val) : "r" (__val), "r" (__ptr) : "memory");
+	return __val;
+}
+#else
+static __inline int
+__swp(int __val, volatile int *__ptr)
+{
+
+	__asm volatile("swp %0, %1, [%2]"
+	    : "=&r" (__val) : "r" (__val), "r" (__ptr) : "memory");
+	return __val;
+}
+#endif /* _KERNEL */
+
+static __inline void __attribute__((__unused__))
+__cpu_simple_lock_init(__cpu_simple_lock_t *alp)
+{
+
+	*alp = __SIMPLELOCK_UNLOCKED;
+}
+
+static __inline void __attribute__((__unused__))
+__cpu_simple_lock(__cpu_simple_lock_t *alp)
+{
+
+	while (__swp(__SIMPLELOCK_LOCKED, alp) != __SIMPLELOCK_UNLOCKED)
+		continue;
+}
+
+static __inline int __attribute__((__unused__))
+__cpu_simple_lock_try(__cpu_simple_lock_t *alp)
+{
+
+	return (__swp(__SIMPLELOCK_LOCKED, alp) == __SIMPLELOCK_UNLOCKED);
+}
+
+static __inline void __attribute__((__unused__))
+__cpu_simple_unlock(__cpu_simple_lock_t *alp)
+{
+
+	*alp = __SIMPLELOCK_UNLOCKED;
+}
+
+#endif /* _ARM_LOCK_H_ */

include/arch/arm/include/partition.h

@@ -0,0 +1,26 @@
+/* Description of entry in partition table.  */
+#ifndef _PARTITION_H
+#define _PARTITION_H
+
+struct part_entry {
+  unsigned char bootind;	/* boot indicator 0/ACTIVE_FLAG	 */
+  unsigned char start_head;	/* head value for first sector	 */
+  unsigned char start_sec;	/* sector value + cyl bits for first sector */
+  unsigned char start_cyl;	/* track value for first sector	 */
+  unsigned char sysind;		/* system indicator		 */
+  unsigned char last_head;	/* head value for last sector	 */
+  unsigned char last_sec;	/* sector value + cyl bits for last sector */
+  unsigned char last_cyl;	/* track value for last sector	 */
+  unsigned long lowsec;		/* logical first sector		 */
+  unsigned long size;		/* size of partition in sectors	 */
+};
+
+#define ACTIVE_FLAG	0x80	/* value for active in bootind field (hd0) */
+#define NR_PARTITIONS	4	/* number of entries in partition table */
+#define	PART_TABLE_OFF	0x1BE	/* offset of partition table in boot sector */
+
+/* Partition types. */
+#define NO_PART		0x00	/* unused entry */
+#define MINIX_PART	0x81	/* Minix partition type */
+
+#endif /* _PARTITION_H */

include/arch/arm/include/vmparam.h

@@ -0,0 +1,12 @@
+#ifndef _ARM_VMPARAM_H_
+#define _ARM_VMPARAM_H_
+
+/*
+ * Machine dependent constants for ARM.
+ */
+
+#define	PAGE_SHIFT	12
+#define	PAGE_SIZE	(1 << PAGE_SHIFT)
+#define	PAGE_MASK	(PAGE_SIZE - 1)
+
+#endif /* _ARM_VMPARAM_H_ */