From 9d8c5abf463476c091ff629506bb92e2d49801b9 Mon Sep 17 00:00:00 2001
From: Theo de Raadt <deraadt@cvs.openbsd.org>
Date: Sun, 22 May 2011 15:11:41 +0000
Subject: socppc is a pure MBR architecture (just like landisk and armish), so
 it does not need macppc DPME logic ok kettenis

---
 sys/arch/socppc/socppc/disksubr.c | 101 +-------------------------------------
 1 file changed, 2 insertions(+), 99 deletions(-)

(limited to 'sys/arch')

diff --git a/sys/arch/socppc/socppc/disksubr.c b/sys/arch/socppc/socppc/disksubr.c
index 1fb5a3b6d1b..9bcbcf4c169 100644
--- a/sys/arch/socppc/socppc/disksubr.c
+++ b/sys/arch/socppc/socppc/disksubr.c
@@ -1,4 +1,4 @@
-/*	$OpenBSD: disksubr.c,v 1.15 2011/04/16 03:21:15 krw Exp $	*/
+/*	$OpenBSD: disksubr.c,v 1.16 2011/05/22 15:11:40 deraadt Exp $	*/
 /*	$NetBSD: disksubr.c,v 1.21 1996/05/03 19:42:03 christos Exp $	*/
 
 /*
@@ -37,9 +37,6 @@
 #include <sys/disklabel.h>
 #include <sys/disk.h>
 
-int	readdpmelabel(struct buf *, void (*)(struct buf *),
-	    struct disklabel *, int *, int);
-
 /*
  * Attempt to read a disk label from a device
  * using the indicated strategy routine.
@@ -69,10 +66,6 @@ readdisklabel(dev_t dev, void (*strat)(struct buf *),
 	bp = geteblk((int)lp->d_secsize);
 	bp->b_dev = dev;
 
-	error = readdpmelabel(bp, strat, lp, NULL, spoofonly);
-	if (error == 0)
-		goto done;
-
 	error = readdoslabel(bp, strat, lp, NULL, spoofonly);
 	if (error == 0)
 		goto done;
@@ -97,95 +90,6 @@ done:
 	return (error);
 }
 
-int
-readdpmelabel(struct buf *bp, void (*strat)(struct buf *),
-    struct disklabel *lp, int *partoffp, int spoofonly)
-{
-	int i, part_cnt, n, hfspartoff = -1;
-	u_int64_t hfspartend = DL_GETDSIZE(lp);
-	struct part_map_entry *part;
-
-	/* First check for a DPME (HFS) disklabel */
-	bp->b_blkno = 1;
-	bp->b_bcount = lp->d_secsize;
-	CLR(bp->b_flags, B_READ | B_WRITE | B_DONE);
-	SET(bp->b_flags, B_BUSY | B_READ | B_RAW);
-	(*strat)(bp);
-	if (biowait(bp))
-		return (bp->b_error);
-
-	/* if successful, wander through DPME partition table */
-	part = (struct part_map_entry *)bp->b_data;
-	/* if first partition is not valid, assume not HFS/DPME partitioned */
-	if (part->pmSig != PART_ENTRY_MAGIC)
-		return (EINVAL);	/* not a DPME partition */
-	part_cnt = part->pmMapBlkCnt;
-	n = 8;
-	for (i = 0; i < part_cnt; i++) {
-		struct partition *pp;
-		char *s;
-
-		bp->b_blkno = 1+i;
-		bp->b_bcount = lp->d_secsize;
-		CLR(bp->b_flags, B_READ | B_WRITE | B_DONE);
-		SET(bp->b_flags, B_BUSY | B_READ | B_RAW);
-		(*strat)(bp);
-		if (biowait(bp))
-			return (bp->b_error);
-
-		part = (struct part_map_entry *)bp->b_data;
-		/* toupper the string, in case caps are different... */
-		for (s = part->pmPartType; *s; s++)
-			if ((*s >= 'a') && (*s <= 'z'))
-				*s = (*s - 'a' + 'A');
-
-		if (strcmp(part->pmPartType, PART_TYPE_OPENBSD) == 0) {
-			hfspartoff = part->pmPyPartStart - LABELSECTOR;
-			hfspartend = hfspartoff + part->pmPartBlkCnt;
-			if (partoffp) {
-				*partoffp = hfspartoff;
-				return (0);
-			} else {
-				DL_SETBSTART(lp, hfspartoff);
-				DL_SETBEND(lp,
-				    hfspartend < DL_GETDSIZE(lp) ? hfspartend :
-				    DL_GETDSIZE(lp));
-			}
-			continue;
-		}
-
-		if (n >= MAXPARTITIONS || partoffp)
-			continue;
-
-		/* Currently we spoof HFS partitions only. */
-		if (strcmp(part->pmPartType, PART_TYPE_MAC) == 0) {
-			pp = &lp->d_partitions[n];
-			DL_SETPOFFSET(pp, part->pmPyPartStart);
-			DL_SETPSIZE(pp, part->pmPartBlkCnt);
-			pp->p_fstype = FS_HFS;
-			n++;
-		}
-	}
-
-	if (hfspartoff == -1)
-		return (EINVAL);
-
-	if (spoofonly)
-		return (0);
-
-	/* next, dig out disk label */
-	bp->b_blkno = hfspartoff + LABELSECTOR;
-	bp->b_bcount = lp->d_secsize;
-	CLR(bp->b_flags, B_READ | B_WRITE | B_DONE);
-	SET(bp->b_flags, B_BUSY | B_READ | B_RAW);
-	(*strat)(bp);
-	if (biowait(bp))
-		return (bp->b_error);
-
-	return checkdisklabel(bp->b_data + LABELOFFSET, lp, hfspartoff,
-	    hfspartend);
-}
-
 /*
  * Write disk label back to device after modification.
  */
@@ -200,8 +104,7 @@ writedisklabel(dev_t dev, void (*strat)(struct buf *), struct disklabel *lp)
 	bp = geteblk((int)lp->d_secsize);
 	bp->b_dev = dev;
 
-	if (readdpmelabel(bp, strat, lp, &partoff, 1) != 0 &&
-	    readdoslabel(bp, strat, lp, &partoff, 1) != 0)
+	if (readdoslabel(bp, strat, lp, &partoff, 1) != 0)
 		goto done;
 
 	/* Read it in, slap the new label in, and write it back out */
-- 
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