Initial import of mvmeppc.

1 files changed, 113 insertions, 0 deletions

diff --git a/sys/arch/mvmeppc/include/disklabel.h b/sys/arch/mvmeppc/include/disklabel.h
new file mode 100644
index 00000000000..61ccca25afe
--- /dev/null
+++ b/sys/arch/mvmeppc/include/disklabel.h
@@ -0,0 +1,113 @@
+/*	$OpenBSD: disklabel.h,v 1.1 2001/06/26 21:57:44 smurph Exp $	*/
+
+/*
+ * Copyright (c) 1994 Christopher G. Demetriou
+ * 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 Christopher G. Demetriou.
+ * 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 ``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 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.
+ */
+
+#ifndef _MACHINE_DISKLABEL_H_
+#define _MACHINE_DISKLABEL_H_
+
+#define	LABELSECTOR	1		/* sector containing label */
+#define	LABELOFFSET	0		/* offset of label in sector */
+#define	MAXPARTITIONS	16		/* number of partitions */
+#define	RAW_PART	2		/* raw partition: ie. rsd0c */
+
+/* MBR partition table */
+#define	DOSBBSECTOR	0		/* MBR sector number */
+#define	DOSPARTOFF	446		/* Offset of MBR partition table */
+#define	NDOSPART	4		/* # of partitions in MBR */
+#define	DOSMAGICOFF	510		/* Offset of magic number */
+#define	DOSMAGIC	0xaa55		/* Actual magic number */
+#define	MBRMAGIC	DOSMAGIC
+#define DOSMBR_SIGNATURE MBRMAGIC
+#define DOSMBR_SIGNATURE_OFF DOSMAGICOFF
+#define	DOSACTIVE	0x80
+
+struct dos_partition {
+	unsigned char	dp_flag;	/* default boot flag */
+	unsigned char	dp_shd;	/* start head, IsN't Always Meaningful */
+	unsigned char	dp_ssect;	/* start sector, INAM */
+	unsigned char	dp_scyl;	/* start cylinder, INAM */
+	unsigned char	dp_typ;		/* partition type */
+	unsigned char	dp_ehd;	/* end head, INAM */
+	unsigned char	dp_esect;	/* end sector, INAM */
+	unsigned char	dp_ecyl;	/* end cylinder, INAM */
+	unsigned long	dp_start;	/* absolute start sector number */
+	unsigned long	dp_size;	/* partition size in sectors */
+};
+
+/* Known DOS partition types. */
+#define	DOSPTYP_UNUSED	0x00		/* Unused partition */
+#define DOSPTYP_FAT12	0x01		/* 12-bit FAT */
+#define DOSPTYP_FAT16S	0x04		/* 16-bit FAT, less than 32M */
+#define DOSPTYP_EXTEND	0x05		/* Extended; contains sub-partitions */
+#define DOSPTYP_FAT16B	0x06		/* 16-bit FAT, more than 32M */
+#define DOSPTYP_FAT32	0x0b		/* 32-bit FAT */
+#define DOSPTYP_FAT32L	0x0c		/* 32-bit FAT, LBA-mapped */
+#define DOSPTYP_FAT16C	0x0e		/* 16-bit FAT, CHS-mapped */
+#define DOSPTYP_EXTENDL 0x0f		/* Extended, LBA-mapped; contains sub-partitions */
+#define DOSPTYP_ONTRACK	0x54
+#define	DOSPTYP_LINUX	0x83		/* That other thing */
+#define DOSPTYP_FREEBSD	0xa5		/* FreeBSD partition type */
+#define DOSPTYP_OPENBSD	0xa6		/* OpenBSD partition type */
+#define DOSPTYP_NETBSD	0xa9		/* NetBSD partition type */
+
+#include <sys/dkbad.h>
+struct cpu_disklabel {
+	struct dos_partition dosparts[NDOSPART];
+	struct dkbad bad;
+};
+
+#define DKBAD(x) ((x)->bad)
+
+/* Isolate the relevant bits to get sector and cylinder. */
+#define	DPSECT(s)	((s) & 0x3f)
+#define	DPCYL(c, s)	((c) + (((s) & 0xc0) << 2))
+
+static __inline u_int32_t get_le __P((void *p));
+
+static __inline u_int32_t
+#ifdef __cplusplus
+get_le(void *p)
+#else
+get_le(p)
+	void *p;
+#endif
+{
+	u_int32_t c;
+	u_int8_t *_p = (u_int8_t *)p;
+	int x;
+	x = _p[0];
+	x |= _p[1] << 8;
+	x |= _p[2] << 16;
+	x |= _p[3] << 24;
+	return x;
+}
+
+#endif /* _MACHINE_DISKLABEL_H_ */