Untangle #ifdefs in the write-end of things by giving each arch its

own file and own copy of WriteDisk() to do things in.

This should have happened years ago, instead of adding #ifdefs all
over the place.

lib/libdisk/Makefile

@@ -4,11 +4,21 @@ LIB=	disk
 SRCS=	blocks.c chunk.c disk.c change.c \
 	create_chunk.c rules.c write_disk.c
 INCS=	libdisk.h
+WARNS=	2
 
-CFLAGS+= 	-Wall
 .if ${MACHINE} == "pc98"
 CFLAGS+=	-DPC98
+SRCS	+=	write_pc98_disk.c
 .endif
+
+.if ${MACHINE} == "i386"
+SRCS	+=	write_i386_disk.c
+.endif
+
+.if ${MACHINE} == "alpha"
+SRCS	+=	write_alpha_disk.c
+.endif
+
 CLEANFILES+=	tmp.c tst01 tst01.o
 NOPROFILE=	yes
 NOPIC=		yes

lib/libdisk/blocks.c

@@ -19,6 +19,7 @@ void *
 read_block(int fd, daddr_t block, u_long sector_size)
 {
 	void *foo;
+	int i;
 
 	foo = malloc(sector_size);
 	if (!foo)
@@ -27,7 +28,8 @@ read_block(int fd, daddr_t block, u_long sector_size)
 		free (foo);
 		return NULL;
 	}
-	if (sector_size != read(fd, foo, sector_size)) {
+	i = read(fd, foo, sector_size);
+	if ((int)sector_size != i) {
 		free (foo);
 		return NULL;
 	}
@@ -37,10 +39,12 @@ read_block(int fd, daddr_t block, u_long sector_size)
 int
 write_block(int fd, daddr_t block, const void *foo, u_long sector_size)
 {
+	int i;
 
 	if (-1 == lseek(fd, (off_t)block * sector_size, SEEK_SET))
 		return -1;
-	if (sector_size != write(fd, foo, sector_size))
+	i = write(fd, foo, sector_size);
+	if ((int)sector_size != i)
 		return -1;
 	return 0;
 }

lib/libdisk/chunk.c

@@ -124,7 +124,7 @@ Clone_Chunk(const struct chunk *c1)
 
 static int
 Insert_Chunk(struct chunk *c2, u_long offset, u_long size, const char *name,
-	chunk_e type, int subtype, u_long flags, const char *sname)
+	chunk_e type, int subtype, u_long flags, const char *sname __unused)
 {
 	struct chunk *ct,*cs;
 
@@ -322,7 +322,7 @@ ShowChunkFlags(struct chunk *c)
 	return ret;
 }
 
-void
+static void
 Print_Chunk(struct chunk *c1,int offset)
 {
 	int i;

lib/libdisk/disk.c

@@ -402,7 +402,7 @@ assignToSlice(void *arg, XMLToken t, u_int *slice, u_int64_t v)
  * Callback to collect disk-related data.
  */
 static int
-assignToDisk(void *arg, XMLToken t, const u_int *slice, u_int64_t v)
+assignToDisk(void *arg, XMLToken t, u_int *slice, u_int64_t v)
 {
 	struct disklabel *dl = (struct disklabel *) arg;
 

lib/libdisk/libdisk.h

@@ -174,7 +174,7 @@ CheckRules(const struct disk *);
  */
 
 char **
-Disk_Names();
+Disk_Names(void);
 /* Return char** with all disk's names (wd0, wd1 ...).  You must free
  * each pointer, as well as the array by hand
  */
@@ -246,6 +246,8 @@ ShowChunkFlags(struct chunk *c);
  * Implementation details  >>> DO NOT USE <<<
  */
 
+struct disklabel;
+void Fill_Disklabel(struct disklabel *dl, const struct disk *new, const struct disk *old, const struct chunk *c1);
 void Debug_Chunk(struct chunk *);
 void Free_Chunk(struct chunk *);
 struct chunk * Clone_Chunk(const struct chunk *);
@@ -253,7 +255,6 @@ int Add_Chunk(struct disk *, long, u_long, const char *, chunk_e, int, u_long, c
 void * read_block(int, daddr_t, u_long);
 int write_block(int, daddr_t, const void *, u_long);
 struct disklabel * read_disklabel(int, daddr_t, u_long);
-struct chunk * Find_Mother_Chunk(struct chunk *, u_long, u_long, chunk_e);
 struct disk * Int_Open_Disk(const char *name, u_long size);
 int Fixup_Names(struct disk *);
 int MakeDevChunk(const struct chunk *c1, const char *path);

lib/libdisk/write_alpha_disk.c

@@ -0,0 +1,123 @@
+/*
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@FreeBSD.org> wrote this file.  As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/disklabel.h>
+#include <sys/diskslice.h>
+#include <sys/diskmbr.h>
+#include <paths.h>
+#include "libdisk.h"
+
+/* XXX: A lot of hardcoded 512s probably should be foo->sector_size;
+        I'm not sure which, so I leave it like it worked before. --schweikh */
+static int
+Write_FreeBSD(int fd, const struct disk *new, const struct disk *old, const struct chunk *c1)
+{
+	struct disklabel *dl;
+	int i;
+	void *p;
+	u_char buf[BBSIZE];
+	u_long *lp, sum;
+
+	for(i = 0; i < BBSIZE/512; i++) {
+		p = read_block(fd, i + c1->offset, 512);
+		memcpy(buf + 512 * i, p, 512);
+		free(p);
+	}
+	if(new->boot1)
+		memcpy(buf + 512, new->boot1, BBSIZE-512);
+
+	dl = (struct disklabel *)(buf + 512 * LABELSECTOR + LABELOFFSET);
+	Fill_Disklabel(dl, new, old, c1);
+
+	/*
+	 * Tell SRM where the bootstrap is.
+	 */
+	lp = (u_long *)buf;
+	lp[60] = 15;
+	lp[61] = 1;
+	lp[62] = 0;
+
+	/*
+	 * Generate the bootblock checksum for the SRM console.
+	 */
+	for (lp = (u_long *)buf, i = 0, sum = 0; i < 63; i++)
+	    sum += lp[i];
+	lp[63] = sum;
+
+	for(i=0;i<BBSIZE/512;i++) {
+		write_block(fd, i + c1->offset, buf + 512 * i, 512);
+	}
+
+	return 0;
+}
+
+
+
+int
+Write_Disk(const struct disk *d1)
+{
+	int fd,i;
+	struct disk *old = 0;
+	struct chunk *c1;
+	int ret = 0;
+	char device[64];
+	u_char *mbr;
+	struct dos_partition *dp,work[NDOSPART];
+	int s[4];
+	int one = 1;
+	int zero = 0;
+
+	strcpy(device,_PATH_DEV);
+        strcat(device,d1->name);
+
+
+        fd = open(device,O_RDWR);
+        if (fd < 0) {
+#ifdef DEBUG
+                warn("open(%s) failed", device);
+#endif
+                return 1;
+        }
+	ioctl(fd, DIOCWLABEL, &one);
+
+	memset(s,0,sizeof s);
+	mbr = read_block(fd, 0, d1->sector_size);
+	dp = (struct dos_partition*)(mbr + DOSPARTOFF);
+	memcpy(work, dp, sizeof work);
+	dp = work;
+	free(mbr);
+	for (c1 = d1->chunks->part; c1; c1 = c1->next) {
+		if (c1->type == unused) continue;
+		if (!strcmp(c1->name, "X")) continue;
+		if (c1->type == freebsd)
+			ret += Write_FreeBSD(fd, d1, old, c1);
+
+	}
+
+	i = 1;
+	i = ioctl(fd, DIOCSYNCSLICEINFO, &i);
+#ifdef DEBUG
+	if (i != 0)
+		warn("ioctl(DIOCSYNCSLICEINFO)");
+#endif
+	ioctl(fd, DIOCWLABEL, &zero);
+	close(fd);
+	return 0;
+}

lib/libdisk/write_amd64_disk.c

@@ -0,0 +1,212 @@
+/*
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@FreeBSD.org> wrote this file.  As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/disklabel.h>
+#include <sys/diskslice.h>
+#include <sys/diskmbr.h>
+#include <paths.h>
+#include "libdisk.h"
+
+/* XXX: A lot of hardcoded 512s probably should be foo->sector_size;
+        I'm not sure which, so I leave it like it worked before. --schweikh */
+static int
+Write_FreeBSD(int fd, const struct disk *new, const struct disk *old, const struct chunk *c1)
+{
+	struct disklabel *dl;
+	int i;
+	void *p;
+	u_char buf[BBSIZE];
+
+	for(i = 0; i < BBSIZE/512; i++) {
+		p = read_block(fd, i + c1->offset, 512);
+		memcpy(buf + 512 * i, p, 512);
+		free(p);
+	}
+	if(new->boot1)
+		memcpy(buf, new->boot1, 512);
+
+	if(new->boot2)
+		memcpy(buf + 512, new->boot2, BBSIZE-512);
+
+	dl = (struct disklabel *)(buf + 512 * LABELSECTOR + LABELOFFSET);
+	Fill_Disklabel(dl, new, old, c1);
+
+
+	for(i=0;i<BBSIZE/512;i++) {
+		write_block(fd, i + c1->offset, buf + 512 * i, 512);
+	}
+
+	return 0;
+}
+
+static void
+Write_Int32(u_int32_t *p, u_int32_t v)
+{
+    u_int8_t *bp = (u_int8_t *)p;
+    bp[0] = (v >> 0) & 0xff;
+    bp[1] = (v >> 8) & 0xff;
+    bp[2] = (v >> 16) & 0xff;
+    bp[3] = (v >> 24) & 0xff;
+}
+
+/*
+ * Special install-time configuration for the i386 boot0 boot manager.
+ */
+static void
+Cfg_Boot_Mgr(u_char *mbr, int edd)
+{
+    if (mbr[0x1b0] == 0x66 && mbr[0x1b1] == 0xbb) {
+	if (edd)
+	    mbr[0x1bb] |= 0x80;	/* Packet mode on */
+	else
+	    mbr[0x1bb] &= 0x7f;	/* Packet mode off */
+    }
+}
+
+int
+Write_Disk(const struct disk *d1)
+{
+	int fd,i;
+	int j;
+	struct disk *old = 0;
+	struct chunk *c1;
+	int ret = 0;
+	char device[64];
+	u_char *mbr;
+	struct dos_partition *dp,work[NDOSPART];
+	int s[4];
+	int need_edd = 0;	/* Need EDD (packet interface) */
+	int one = 1;
+	int zero = 0;
+
+	strcpy(device,_PATH_DEV);
+        strcat(device,d1->name);
+
+
+        fd = open(device,O_RDWR);
+        if (fd < 0) {
+#ifdef DEBUG
+                warn("open(%s) failed", device);
+#endif
+                return 1;
+        }
+	ioctl(fd, DIOCWLABEL, &one);
+
+	memset(s,0,sizeof s);
+	mbr = read_block(fd, 0, d1->sector_size);
+	dp = (struct dos_partition*)(mbr + DOSPARTOFF);
+	memcpy(work, dp, sizeof work);
+	dp = work;
+	free(mbr);
+	for (c1 = d1->chunks->part; c1; c1 = c1->next) {
+		if (c1->type == unused) continue;
+		if (!strcmp(c1->name, "X")) continue;
+		j = c1->name[4] - '1';
+		j = c1->name[strlen(d1->name) + 1] - '1';
+		if (j < 0 || j > 3)
+			continue;
+		s[j]++;
+		if (c1->type == freebsd)
+			ret += Write_FreeBSD(fd, d1, old, c1);
+
+		Write_Int32(&dp[j].dp_start, c1->offset);
+		Write_Int32(&dp[j].dp_size, c1->size);
+
+		i = c1->offset;
+		if (i >= 1024*d1->bios_sect*d1->bios_hd) {
+			dp[j].dp_ssect = 0xff;
+			dp[j].dp_shd = 0xff;
+			dp[j].dp_scyl = 0xff;
+			need_edd++;
+		} else {
+			dp[j].dp_ssect = i % d1->bios_sect;
+			i -= dp[j].dp_ssect++;
+			i /= d1->bios_sect;
+			dp[j].dp_shd =  i % d1->bios_hd;
+			i -= dp[j].dp_shd;
+			i /= d1->bios_hd;
+			dp[j].dp_scyl = i;
+			i -= dp[j].dp_scyl;
+			dp[j].dp_ssect |= i >> 2;
+		}
+
+#ifdef DEBUG
+		printf("S:%lu = (%x/%x/%x)",
+			c1->offset, dp[j].dp_scyl, dp[j].dp_shd, dp[j].dp_ssect);
+#endif
+
+		i = c1->end;
+		dp[j].dp_esect = i % d1->bios_sect;
+		i -= dp[j].dp_esect++;
+		i /= d1->bios_sect;
+		dp[j].dp_ehd =  i % d1->bios_hd;
+		i -= dp[j].dp_ehd;
+		i /= d1->bios_hd;
+		if (i>1023) i = 1023;
+		dp[j].dp_ecyl = i;
+		i -= dp[j].dp_ecyl;
+		dp[j].dp_esect |= i >> 2;
+
+#ifdef DEBUG
+		printf("  E:%lu = (%x/%x/%x)\n",
+			c1->end, dp[j].dp_ecyl, dp[j].dp_ehd, dp[j].dp_esect);
+#endif
+
+		dp[j].dp_typ = c1->subtype;
+		if (c1->flags & CHUNK_ACTIVE)
+			dp[j].dp_flag = 0x80;
+		else
+			dp[j].dp_flag = 0;
+	}
+	j = 0;
+	for(i = 0; i < NDOSPART; i++) {
+		if (!s[i])
+			memset(dp + i, 0, sizeof *dp);
+		if (dp[i].dp_flag)
+			j++;
+	}
+	if (!j)
+		for(i = 0; i < NDOSPART; i++)
+			if (dp[i].dp_typ == 0xa5)
+				dp[i].dp_flag = 0x80;
+
+	mbr = read_block(fd, 0, d1->sector_size);
+	if (d1->bootmgr) {
+		memcpy(mbr, d1->bootmgr, DOSPARTOFF);
+		Cfg_Boot_Mgr(mbr, need_edd);
+        }
+	memcpy(mbr + DOSPARTOFF, dp, sizeof *dp * NDOSPART);
+	mbr[512-2] = 0x55;
+	mbr[512-1] = 0xaa;
+	write_block(fd, 0, mbr, d1->sector_size);
+	if (d1->bootmgr && d1->bootmgr_size > d1->sector_size)
+	  for(i = 1; i * d1->sector_size <= d1->bootmgr_size; i++)
+	    write_block(fd, i, &d1->bootmgr[i * d1->sector_size], d1->sector_size);
+
+	i = 1;
+	i = ioctl(fd, DIOCSYNCSLICEINFO, &i);
+#ifdef DEBUG
+	if (i != 0)
+		warn("ioctl(DIOCSYNCSLICEINFO)");
+#endif
+	ioctl(fd, DIOCWLABEL, &zero);
+	close(fd);
+	return 0;
+}

lib/libdisk/write_disk.c

@@ -20,18 +20,10 @@ __FBSDID("$FreeBSD$");
 #include <sys/ioctl.h>
 #include <sys/disklabel.h>
 #include <sys/diskslice.h>
-#ifdef PC98
-#include <sys/diskpc98.h>
-#else
-#include <sys/diskmbr.h>
-#endif
 #include <paths.h>
 #include "libdisk.h"
 
-/* XXX: A lot of hardcoded 512s probably should be foo->sector_size;
-        I'm not sure which, so I leave it like it worked before. --schweikh */
-
-static void
+void
 Fill_Disklabel(struct disklabel *dl, const struct disk *new, const struct disk *old, const struct chunk *c1)
 {
 	struct chunk *c2;
@@ -80,308 +72,3 @@ Fill_Disklabel(struct disklabel *dl, const struct disk *new, const struct disk *
 
 	return;
 }
-
-
-/* XXX: A lot of hardcoded 512s probably should be foo->sector_size;
-        I'm not sure which, so I leave it like it worked before. --schweikh */
-static int
-Write_FreeBSD(int fd, const struct disk *new, const struct disk *old, const struct chunk *c1)
-{
-	struct disklabel *dl;
-	int i;
-	void *p;
-	u_char buf[BBSIZE];
-#ifdef __alpha__
-	u_long *lp, sum;
-#endif
-
-	for(i = 0; i < BBSIZE/512; i++) {
-		p = read_block(fd, i + c1->offset, 512);
-		memcpy(buf + 512 * i, p, 512);
-		free(p);
-	}
-#if defined(__i386__)
-	if(new->boot1)
-		memcpy(buf, new->boot1, 512);
-
-	if(new->boot2)
-		memcpy(buf + 512, new->boot2, BBSIZE-512);
-#elif defined(__alpha__)
-	if(new->boot1)
-		memcpy(buf + 512, new->boot1, BBSIZE-512);
-#endif
-
-	dl = (struct disklabel *)(buf + 512 * LABELSECTOR + LABELOFFSET);
-	Fill_Disklabel(dl, new, old, c1);
-
-#ifdef __alpha__
-	/*
-	 * Tell SRM where the bootstrap is.
-	 */
-	lp = (u_long *)buf;
-	lp[60] = 15;
-	lp[61] = 1;
-	lp[62] = 0;
-
-	/*
-	 * Generate the bootblock checksum for the SRM console.
-	 */
-	for (lp = (u_long *)buf, i = 0, sum = 0; i < 63; i++)
-	    sum += lp[i];
-	lp[63] = sum;
-#endif /*__alpha__*/
-
-	for(i=0;i<BBSIZE/512;i++) {
-		write_block(fd, i + c1->offset, buf + 512 * i, 512);
-	}
-
-	return 0;
-}
-
-#if defined(__i386__) && !defined(PC98)
-static void
-Write_Int32(u_int32_t *p, u_int32_t v)
-{
-    u_int8_t *bp = (u_int8_t *)p;
-    bp[0] = (v >> 0) & 0xff;
-    bp[1] = (v >> 8) & 0xff;
-    bp[2] = (v >> 16) & 0xff;
-    bp[3] = (v >> 24) & 0xff;
-}
-#endif
-
-#if defined(__i386__) && !defined(PC98)
-/*
- * Special install-time configuration for the i386 boot0 boot manager.
- */
-static void
-Cfg_Boot_Mgr(u_char *mbr, int edd)
-{
-    if (mbr[0x1b0] == 0x66 && mbr[0x1b1] == 0xbb) {
-	if (edd)
-	    mbr[0x1bb] |= 0x80;	/* Packet mode on */
-	else
-	    mbr[0x1bb] &= 0x7f;	/* Packet mode off */
-    }
-}
-#endif
-
-int
-Write_Disk(const struct disk *d1)
-{
-	int fd,i;
-#ifdef __i386__
-	int j;
-#endif
-	struct disk *old = 0;
-	struct chunk *c1;
-	int ret = 0;
-	char device[64];
-	u_char *mbr;
-	struct dos_partition *dp,work[NDOSPART];
-#ifdef PC98
-	int s[7];
-	int PC98_EntireDisk = 0;
-#else
-	int s[4];
-#ifdef __i386__
-	int need_edd = 0;	/* Need EDD (packet interface) */
-#endif
-#endif
-	int one = 1;
-	int zero = 0;
-
-	strcpy(device,_PATH_DEV);
-        strcat(device,d1->name);
-
-#ifdef PC98
-	/* XXX - for entire FreeBSD(98) */
-	for (c1 = d1->chunks->part; c1; c1 = c1->next) {
-	    if ((c1->type == freebsd) || (c1->offset == 0))
-		device[9] = 0;
-	}
-#endif
-
-        fd = open(device,O_RDWR);
-        if (fd < 0) {
-#ifdef DEBUG
-                warn("open(%s) failed", device);
-#endif
-                return 1;
-        }
-	ioctl(fd, DIOCWLABEL, &one);
-
-	memset(s,0,sizeof s);
-#ifdef PC98
-	mbr = read_block(fd, 1, d1->sector_size);
-#else
-	mbr = read_block(fd, 0, d1->sector_size);
-#endif
-	dp = (struct dos_partition*)(mbr + DOSPARTOFF);
-	memcpy(work, dp, sizeof work);
-	dp = work;
-	free(mbr);
-	for (c1 = d1->chunks->part; c1; c1 = c1->next) {
-		if (c1->type == unused) continue;
-		if (!strcmp(c1->name, "X")) continue;
-#ifdef __i386__
-		j = c1->name[4] - '1';
-		j = c1->name[strlen(d1->name) + 1] - '1';
-#ifdef PC98
-		if (j < 0 || j > 7)
-#else
-		if (j < 0 || j > 3)
-#endif
-			continue;
-		s[j]++;
-#endif
-		if (c1->type == freebsd)
-			ret += Write_FreeBSD(fd, d1, old, c1);
-
-#ifdef __i386__
-#ifndef PC98
-		Write_Int32(&dp[j].dp_start, c1->offset);
-		Write_Int32(&dp[j].dp_size, c1->size);
-#endif
-
-		i = c1->offset;
-#ifdef PC98
-		dp[j].dp_ssect = dp[j].dp_ipl_sct = i % d1->bios_sect;
-		i -= dp[j].dp_ssect;
-		i /= d1->bios_sect;
-		dp[j].dp_shd = dp[j].dp_ipl_head = i % d1->bios_hd;
-		i -= dp[j].dp_shd;
-		i /= d1->bios_hd;
-		dp[j].dp_scyl = dp[j].dp_ipl_cyl = i;
-#else
-		if (i >= 1024*d1->bios_sect*d1->bios_hd) {
-			dp[j].dp_ssect = 0xff;
-			dp[j].dp_shd = 0xff;
-			dp[j].dp_scyl = 0xff;
-			need_edd++;
-		} else {
-			dp[j].dp_ssect = i % d1->bios_sect;
-			i -= dp[j].dp_ssect++;
-			i /= d1->bios_sect;
-			dp[j].dp_shd =  i % d1->bios_hd;
-			i -= dp[j].dp_shd;
-			i /= d1->bios_hd;
-			dp[j].dp_scyl = i;
-			i -= dp[j].dp_scyl;
-			dp[j].dp_ssect |= i >> 2;
-		}
-#endif /* PC98 */
-
-#ifdef DEBUG
-		printf("S:%lu = (%x/%x/%x)",
-			c1->offset, dp[j].dp_scyl, dp[j].dp_shd, dp[j].dp_ssect);
-#endif
-
-		i = c1->end;
-#ifdef PC98
-#if 1
-		dp[j].dp_esect = dp[j].dp_ehd = 0;
-		dp[j].dp_ecyl = i / (d1->bios_sect * d1->bios_hd);
-#else
-		dp[j].dp_esect = i % d1->bios_sect;
-		i -= dp[j].dp_esect;
-		i /= d1->bios_sect;
-		dp[j].dp_ehd =  i % d1->bios_hd;
-		i -= dp[j].dp_ehd;
-		i /= d1->bios_hd;
-		dp[j].dp_ecyl = i;
-#endif
-#else
-		dp[j].dp_esect = i % d1->bios_sect;
-		i -= dp[j].dp_esect++;
-		i /= d1->bios_sect;
-		dp[j].dp_ehd =  i % d1->bios_hd;
-		i -= dp[j].dp_ehd;
-		i /= d1->bios_hd;
-		if (i>1023) i = 1023;
-		dp[j].dp_ecyl = i;
-		i -= dp[j].dp_ecyl;
-		dp[j].dp_esect |= i >> 2;
-#endif
-
-#ifdef DEBUG
-		printf("  E:%lu = (%x/%x/%x)\n",
-			c1->end, dp[j].dp_ecyl, dp[j].dp_ehd, dp[j].dp_esect);
-#endif
-
-#ifdef PC98
-		dp[j].dp_mid = c1->subtype & 0xff;
-		dp[j].dp_sid = c1->subtype >> 8;
-		if (c1->flags & CHUNK_ACTIVE)
-			dp[j].dp_mid |= 0x80;
-
-		strncpy(dp[j].dp_name, c1->sname, 16);
-#else
-		dp[j].dp_typ = c1->subtype;
-		if (c1->flags & CHUNK_ACTIVE)
-			dp[j].dp_flag = 0x80;
-		else
-			dp[j].dp_flag = 0;
-#endif
-#endif
-	}
-#ifdef __i386__
-	j = 0;
-	for(i = 0; i < NDOSPART; i++) {
-		if (!s[i])
-			memset(dp + i, 0, sizeof *dp);
-#ifndef PC98
-		if (dp[i].dp_flag)
-			j++;
-#endif
-	}
-#ifndef PC98
-	if (!j)
-		for(i = 0; i < NDOSPART; i++)
-			if (dp[i].dp_typ == 0xa5)
-				dp[i].dp_flag = 0x80;
-#endif
-
-#ifdef PC98
-	if (d1->bootipl)
-		write_block(fd, 0, d1->bootipl, d1->sector_size);
-
-	mbr = read_block(fd, 1, d1->sector_size);
-	memcpy(mbr + DOSPARTOFF, dp, sizeof *dp * NDOSPART);
-	/* XXX - for entire FreeBSD(98) */
-	for (c1 = d1->chunks->part; c1; c1 = c1->next)
-		if (((c1->type == freebsd) || (c1->type == fat))
-			 && (c1->offset == 0))
-			PC98_EntireDisk = 1;
-	if (PC98_EntireDisk == 0)
-		write_block(fd, 1, mbr, d1->sector_size);
-
-	if (d1->bootmenu)
-		for (i = 0; i * d1->sector_size < d1->bootmenu_size; i++)
-			write_block(fd, 2 + i, &d1->bootmenu[i * d1->sector_size], d1->sector_size);
-#else
-	mbr = read_block(fd, 0, d1->sector_size);
-	if (d1->bootmgr) {
-		memcpy(mbr, d1->bootmgr, DOSPARTOFF);
-		Cfg_Boot_Mgr(mbr, need_edd);
-        }
-	memcpy(mbr + DOSPARTOFF, dp, sizeof *dp * NDOSPART);
-	mbr[512-2] = 0x55;
-	mbr[512-1] = 0xaa;
-	write_block(fd, 0, mbr, d1->sector_size);
-	if (d1->bootmgr && d1->bootmgr_size > d1->sector_size)
-	  for(i = 1; i * d1->sector_size <= d1->bootmgr_size; i++)
-	    write_block(fd, i, &d1->bootmgr[i * d1->sector_size], d1->sector_size);
-#endif
-#endif
-
-	i = 1;
-	i = ioctl(fd, DIOCSYNCSLICEINFO, &i);
-#ifdef DEBUG
-	if (i != 0)
-		warn("ioctl(DIOCSYNCSLICEINFO)");
-#endif
-	ioctl(fd, DIOCWLABEL, &zero);
-	close(fd);
-	return 0;
-}

lib/libdisk/write_i386_disk.c

@@ -0,0 +1,212 @@
+/*
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@FreeBSD.org> wrote this file.  As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/disklabel.h>
+#include <sys/diskslice.h>
+#include <sys/diskmbr.h>
+#include <paths.h>
+#include "libdisk.h"
+
+/* XXX: A lot of hardcoded 512s probably should be foo->sector_size;
+        I'm not sure which, so I leave it like it worked before. --schweikh */
+static int
+Write_FreeBSD(int fd, const struct disk *new, const struct disk *old, const struct chunk *c1)
+{
+	struct disklabel *dl;
+	int i;
+	void *p;
+	u_char buf[BBSIZE];
+
+	for(i = 0; i < BBSIZE/512; i++) {
+		p = read_block(fd, i + c1->offset, 512);
+		memcpy(buf + 512 * i, p, 512);
+		free(p);
+	}
+	if(new->boot1)
+		memcpy(buf, new->boot1, 512);
+
+	if(new->boot2)
+		memcpy(buf + 512, new->boot2, BBSIZE-512);
+
+	dl = (struct disklabel *)(buf + 512 * LABELSECTOR + LABELOFFSET);
+	Fill_Disklabel(dl, new, old, c1);
+
+
+	for(i=0;i<BBSIZE/512;i++) {
+		write_block(fd, i + c1->offset, buf + 512 * i, 512);
+	}
+
+	return 0;
+}
+
+static void
+Write_Int32(u_int32_t *p, u_int32_t v)
+{
+    u_int8_t *bp = (u_int8_t *)p;
+    bp[0] = (v >> 0) & 0xff;
+    bp[1] = (v >> 8) & 0xff;
+    bp[2] = (v >> 16) & 0xff;
+    bp[3] = (v >> 24) & 0xff;
+}
+
+/*
+ * Special install-time configuration for the i386 boot0 boot manager.
+ */
+static void
+Cfg_Boot_Mgr(u_char *mbr, int edd)
+{
+    if (mbr[0x1b0] == 0x66 && mbr[0x1b1] == 0xbb) {
+	if (edd)
+	    mbr[0x1bb] |= 0x80;	/* Packet mode on */
+	else
+	    mbr[0x1bb] &= 0x7f;	/* Packet mode off */
+    }
+}
+
+int
+Write_Disk(const struct disk *d1)
+{
+	int fd,i;
+	int j;
+	struct disk *old = 0;
+	struct chunk *c1;
+	int ret = 0;
+	char device[64];
+	u_char *mbr;
+	struct dos_partition *dp,work[NDOSPART];
+	int s[4];
+	int need_edd = 0;	/* Need EDD (packet interface) */
+	int one = 1;
+	int zero = 0;
+
+	strcpy(device,_PATH_DEV);
+        strcat(device,d1->name);
+
+
+        fd = open(device,O_RDWR);
+        if (fd < 0) {
+#ifdef DEBUG
+                warn("open(%s) failed", device);
+#endif
+                return 1;
+        }
+	ioctl(fd, DIOCWLABEL, &one);
+
+	memset(s,0,sizeof s);
+	mbr = read_block(fd, 0, d1->sector_size);
+	dp = (struct dos_partition*)(mbr + DOSPARTOFF);
+	memcpy(work, dp, sizeof work);
+	dp = work;
+	free(mbr);
+	for (c1 = d1->chunks->part; c1; c1 = c1->next) {
+		if (c1->type == unused) continue;
+		if (!strcmp(c1->name, "X")) continue;
+		j = c1->name[4] - '1';
+		j = c1->name[strlen(d1->name) + 1] - '1';
+		if (j < 0 || j > 3)
+			continue;
+		s[j]++;
+		if (c1->type == freebsd)
+			ret += Write_FreeBSD(fd, d1, old, c1);
+
+		Write_Int32(&dp[j].dp_start, c1->offset);
+		Write_Int32(&dp[j].dp_size, c1->size);
+
+		i = c1->offset;
+		if (i >= 1024*d1->bios_sect*d1->bios_hd) {
+			dp[j].dp_ssect = 0xff;
+			dp[j].dp_shd = 0xff;
+			dp[j].dp_scyl = 0xff;
+			need_edd++;
+		} else {
+			dp[j].dp_ssect = i % d1->bios_sect;
+			i -= dp[j].dp_ssect++;
+			i /= d1->bios_sect;
+			dp[j].dp_shd =  i % d1->bios_hd;
+			i -= dp[j].dp_shd;
+			i /= d1->bios_hd;
+			dp[j].dp_scyl = i;
+			i -= dp[j].dp_scyl;
+			dp[j].dp_ssect |= i >> 2;
+		}
+
+#ifdef DEBUG
+		printf("S:%lu = (%x/%x/%x)",
+			c1->offset, dp[j].dp_scyl, dp[j].dp_shd, dp[j].dp_ssect);
+#endif
+
+		i = c1->end;
+		dp[j].dp_esect = i % d1->bios_sect;
+		i -= dp[j].dp_esect++;
+		i /= d1->bios_sect;
+		dp[j].dp_ehd =  i % d1->bios_hd;
+		i -= dp[j].dp_ehd;
+		i /= d1->bios_hd;
+		if (i>1023) i = 1023;
+		dp[j].dp_ecyl = i;
+		i -= dp[j].dp_ecyl;
+		dp[j].dp_esect |= i >> 2;
+
+#ifdef DEBUG
+		printf("  E:%lu = (%x/%x/%x)\n",
+			c1->end, dp[j].dp_ecyl, dp[j].dp_ehd, dp[j].dp_esect);
+#endif
+
+		dp[j].dp_typ = c1->subtype;
+		if (c1->flags & CHUNK_ACTIVE)
+			dp[j].dp_flag = 0x80;
+		else
+			dp[j].dp_flag = 0;
+	}
+	j = 0;
+	for(i = 0; i < NDOSPART; i++) {
+		if (!s[i])
+			memset(dp + i, 0, sizeof *dp);
+		if (dp[i].dp_flag)
+			j++;
+	}
+	if (!j)
+		for(i = 0; i < NDOSPART; i++)
+			if (dp[i].dp_typ == 0xa5)
+				dp[i].dp_flag = 0x80;
+
+	mbr = read_block(fd, 0, d1->sector_size);
+	if (d1->bootmgr) {
+		memcpy(mbr, d1->bootmgr, DOSPARTOFF);
+		Cfg_Boot_Mgr(mbr, need_edd);
+        }
+	memcpy(mbr + DOSPARTOFF, dp, sizeof *dp * NDOSPART);
+	mbr[512-2] = 0x55;
+	mbr[512-1] = 0xaa;
+	write_block(fd, 0, mbr, d1->sector_size);
+	if (d1->bootmgr && d1->bootmgr_size > d1->sector_size)
+	  for(i = 1; i * d1->sector_size <= d1->bootmgr_size; i++)
+	    write_block(fd, i, &d1->bootmgr[i * d1->sector_size], d1->sector_size);
+
+	i = 1;
+	i = ioctl(fd, DIOCSYNCSLICEINFO, &i);
+#ifdef DEBUG
+	if (i != 0)
+		warn("ioctl(DIOCSYNCSLICEINFO)");
+#endif
+	ioctl(fd, DIOCWLABEL, &zero);
+	close(fd);
+	return 0;
+}

lib/libdisk/write_ia64_disk.c

@@ -0,0 +1,212 @@
+/*
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@FreeBSD.org> wrote this file.  As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/disklabel.h>
+#include <sys/diskslice.h>
+#include <sys/diskmbr.h>
+#include <paths.h>
+#include "libdisk.h"
+
+/* XXX: A lot of hardcoded 512s probably should be foo->sector_size;
+        I'm not sure which, so I leave it like it worked before. --schweikh */
+static int
+Write_FreeBSD(int fd, const struct disk *new, const struct disk *old, const struct chunk *c1)
+{
+	struct disklabel *dl;
+	int i;
+	void *p;
+	u_char buf[BBSIZE];
+
+	for(i = 0; i < BBSIZE/512; i++) {
+		p = read_block(fd, i + c1->offset, 512);
+		memcpy(buf + 512 * i, p, 512);
+		free(p);
+	}
+	if(new->boot1)
+		memcpy(buf, new->boot1, 512);
+
+	if(new->boot2)
+		memcpy(buf + 512, new->boot2, BBSIZE-512);
+
+	dl = (struct disklabel *)(buf + 512 * LABELSECTOR + LABELOFFSET);
+	Fill_Disklabel(dl, new, old, c1);
+
+
+	for(i=0;i<BBSIZE/512;i++) {
+		write_block(fd, i + c1->offset, buf + 512 * i, 512);
+	}
+
+	return 0;
+}
+
+static void
+Write_Int32(u_int32_t *p, u_int32_t v)
+{
+    u_int8_t *bp = (u_int8_t *)p;
+    bp[0] = (v >> 0) & 0xff;
+    bp[1] = (v >> 8) & 0xff;
+    bp[2] = (v >> 16) & 0xff;
+    bp[3] = (v >> 24) & 0xff;
+}
+
+/*
+ * Special install-time configuration for the i386 boot0 boot manager.
+ */
+static void
+Cfg_Boot_Mgr(u_char *mbr, int edd)
+{
+    if (mbr[0x1b0] == 0x66 && mbr[0x1b1] == 0xbb) {
+	if (edd)
+	    mbr[0x1bb] |= 0x80;	/* Packet mode on */
+	else
+	    mbr[0x1bb] &= 0x7f;	/* Packet mode off */
+    }
+}
+
+int
+Write_Disk(const struct disk *d1)
+{
+	int fd,i;
+	int j;
+	struct disk *old = 0;
+	struct chunk *c1;
+	int ret = 0;
+	char device[64];
+	u_char *mbr;
+	struct dos_partition *dp,work[NDOSPART];
+	int s[4];
+	int need_edd = 0;	/* Need EDD (packet interface) */
+	int one = 1;
+	int zero = 0;
+
+	strcpy(device,_PATH_DEV);
+        strcat(device,d1->name);
+
+
+        fd = open(device,O_RDWR);
+        if (fd < 0) {
+#ifdef DEBUG
+                warn("open(%s) failed", device);
+#endif
+                return 1;
+        }
+	ioctl(fd, DIOCWLABEL, &one);
+
+	memset(s,0,sizeof s);
+	mbr = read_block(fd, 0, d1->sector_size);
+	dp = (struct dos_partition*)(mbr + DOSPARTOFF);
+	memcpy(work, dp, sizeof work);
+	dp = work;
+	free(mbr);
+	for (c1 = d1->chunks->part; c1; c1 = c1->next) {
+		if (c1->type == unused) continue;
+		if (!strcmp(c1->name, "X")) continue;
+		j = c1->name[4] - '1';
+		j = c1->name[strlen(d1->name) + 1] - '1';
+		if (j < 0 || j > 3)
+			continue;
+		s[j]++;
+		if (c1->type == freebsd)
+			ret += Write_FreeBSD(fd, d1, old, c1);
+
+		Write_Int32(&dp[j].dp_start, c1->offset);
+		Write_Int32(&dp[j].dp_size, c1->size);
+
+		i = c1->offset;
+		if (i >= 1024*d1->bios_sect*d1->bios_hd) {
+			dp[j].dp_ssect = 0xff;
+			dp[j].dp_shd = 0xff;
+			dp[j].dp_scyl = 0xff;
+			need_edd++;
+		} else {
+			dp[j].dp_ssect = i % d1->bios_sect;
+			i -= dp[j].dp_ssect++;
+			i /= d1->bios_sect;
+			dp[j].dp_shd =  i % d1->bios_hd;
+			i -= dp[j].dp_shd;
+			i /= d1->bios_hd;
+			dp[j].dp_scyl = i;
+			i -= dp[j].dp_scyl;
+			dp[j].dp_ssect |= i >> 2;
+		}
+
+#ifdef DEBUG
+		printf("S:%lu = (%x/%x/%x)",
+			c1->offset, dp[j].dp_scyl, dp[j].dp_shd, dp[j].dp_ssect);
+#endif
+
+		i = c1->end;
+		dp[j].dp_esect = i % d1->bios_sect;
+		i -= dp[j].dp_esect++;
+		i /= d1->bios_sect;
+		dp[j].dp_ehd =  i % d1->bios_hd;
+		i -= dp[j].dp_ehd;
+		i /= d1->bios_hd;
+		if (i>1023) i = 1023;
+		dp[j].dp_ecyl = i;
+		i -= dp[j].dp_ecyl;
+		dp[j].dp_esect |= i >> 2;
+
+#ifdef DEBUG
+		printf("  E:%lu = (%x/%x/%x)\n",
+			c1->end, dp[j].dp_ecyl, dp[j].dp_ehd, dp[j].dp_esect);
+#endif
+
+		dp[j].dp_typ = c1->subtype;
+		if (c1->flags & CHUNK_ACTIVE)
+			dp[j].dp_flag = 0x80;
+		else
+			dp[j].dp_flag = 0;
+	}
+	j = 0;
+	for(i = 0; i < NDOSPART; i++) {
+		if (!s[i])
+			memset(dp + i, 0, sizeof *dp);
+		if (dp[i].dp_flag)
+			j++;
+	}
+	if (!j)
+		for(i = 0; i < NDOSPART; i++)
+			if (dp[i].dp_typ == 0xa5)
+				dp[i].dp_flag = 0x80;
+
+	mbr = read_block(fd, 0, d1->sector_size);
+	if (d1->bootmgr) {
+		memcpy(mbr, d1->bootmgr, DOSPARTOFF);
+		Cfg_Boot_Mgr(mbr, need_edd);
+        }
+	memcpy(mbr + DOSPARTOFF, dp, sizeof *dp * NDOSPART);
+	mbr[512-2] = 0x55;
+	mbr[512-1] = 0xaa;
+	write_block(fd, 0, mbr, d1->sector_size);
+	if (d1->bootmgr && d1->bootmgr_size > d1->sector_size)
+	  for(i = 1; i * d1->sector_size <= d1->bootmgr_size; i++)
+	    write_block(fd, i, &d1->bootmgr[i * d1->sector_size], d1->sector_size);
+
+	i = 1;
+	i = ioctl(fd, DIOCSYNCSLICEINFO, &i);
+#ifdef DEBUG
+	if (i != 0)
+		warn("ioctl(DIOCSYNCSLICEINFO)");
+#endif
+	ioctl(fd, DIOCWLABEL, &zero);
+	close(fd);
+	return 0;
+}

lib/libdisk/write_pc98_disk.c

@@ -0,0 +1,185 @@
+/*
+ * ----------------------------------------------------------------------------
+ * "THE BEER-WARE LICENSE" (Revision 42):
+ * <phk@FreeBSD.org> wrote this file.  As long as you retain this notice you
+ * can do whatever you want with this stuff. If we meet some day, and you think
+ * this stuff is worth it, you can buy me a beer in return.   Poul-Henning Kamp
+ * ----------------------------------------------------------------------------
+ */
+
+#include <sys/cdefs.h>
+__FBSDID("$FreeBSD$");
+
+#include <stdio.h>
+#include <stdlib.h>
+#include <unistd.h>
+#include <fcntl.h>
+#include <string.h>
+#include <sys/types.h>
+#include <sys/stat.h>
+#include <sys/ioctl.h>
+#include <sys/disklabel.h>
+#include <sys/diskslice.h>
+#include <sys/diskpc98.h>
+#include <paths.h>
+#include "libdisk.h"
+
+/* XXX: A lot of hardcoded 512s probably should be foo->sector_size;
+        I'm not sure which, so I leave it like it worked before. --schweikh */
+static int
+Write_FreeBSD(int fd, const struct disk *new, const struct disk *old, const struct chunk *c1)
+{
+	struct disklabel *dl;
+	int i;
+	void *p;
+	u_char buf[BBSIZE];
+
+	for(i = 0; i < BBSIZE/512; i++) {
+		p = read_block(fd, i + c1->offset, 512);
+		memcpy(buf + 512 * i, p, 512);
+		free(p);
+	}
+	if(new->boot1)
+		memcpy(buf, new->boot1, 512);
+
+	if(new->boot2)
+		memcpy(buf + 512, new->boot2, BBSIZE-512);
+
+	dl = (struct disklabel *)(buf + 512 * LABELSECTOR + LABELOFFSET);
+	Fill_Disklabel(dl, new, old, c1);
+
+
+	for(i=0;i<BBSIZE/512;i++) {
+		write_block(fd, i + c1->offset, buf + 512 * i, 512);
+	}
+
+	return 0;
+}
+
+
+
+int
+Write_Disk(const struct disk *d1)
+{
+	int fd,i;
+	int j;
+	struct disk *old = 0;
+	struct chunk *c1;
+	int ret = 0;
+	char device[64];
+	u_char *mbr;
+	struct dos_partition *dp,work[NDOSPART];
+	int s[7];
+	int PC98_EntireDisk = 0;
+	int one = 1;
+	int zero = 0;
+
+	strcpy(device,_PATH_DEV);
+        strcat(device,d1->name);
+
+	/* XXX - for entire FreeBSD(98) */
+	for (c1 = d1->chunks->part; c1; c1 = c1->next) {
+	    if ((c1->type == freebsd) || (c1->offset == 0))
+		device[9] = 0;
+	}
+
+        fd = open(device,O_RDWR);
+        if (fd < 0) {
+#ifdef DEBUG
+                warn("open(%s) failed", device);
+#endif
+                return 1;
+        }
+	ioctl(fd, DIOCWLABEL, &one);
+
+	memset(s,0,sizeof s);
+	mbr = read_block(fd, 1, d1->sector_size);
+	dp = (struct dos_partition*)(mbr + DOSPARTOFF);
+	memcpy(work, dp, sizeof work);
+	dp = work;
+	free(mbr);
+	for (c1 = d1->chunks->part; c1; c1 = c1->next) {
+		if (c1->type == unused) continue;
+		if (!strcmp(c1->name, "X")) continue;
+		j = c1->name[4] - '1';
+		j = c1->name[strlen(d1->name) + 1] - '1';
+		if (j < 0 || j > 7)
+			continue;
+		s[j]++;
+		if (c1->type == freebsd)
+			ret += Write_FreeBSD(fd, d1, old, c1);
+
+
+		i = c1->offset;
+		dp[j].dp_ssect = dp[j].dp_ipl_sct = i % d1->bios_sect;
+		i -= dp[j].dp_ssect;
+		i /= d1->bios_sect;
+		dp[j].dp_shd = dp[j].dp_ipl_head = i % d1->bios_hd;
+		i -= dp[j].dp_shd;
+		i /= d1->bios_hd;
+		dp[j].dp_scyl = dp[j].dp_ipl_cyl = i;
+
+#ifdef DEBUG
+		printf("S:%lu = (%x/%x/%x)",
+			c1->offset, dp[j].dp_scyl, dp[j].dp_shd, dp[j].dp_ssect);
+#endif
+
+		i = c1->end;
+#if 1
+		dp[j].dp_esect = dp[j].dp_ehd = 0;
+		dp[j].dp_ecyl = i / (d1->bios_sect * d1->bios_hd);
+#else
+		dp[j].dp_esect = i % d1->bios_sect;
+		i -= dp[j].dp_esect;
+		i /= d1->bios_sect;
+		dp[j].dp_ehd =  i % d1->bios_hd;
+		i -= dp[j].dp_ehd;
+		i /= d1->bios_hd;
+		dp[j].dp_ecyl = i;
+#endif
+
+#ifdef DEBUG
+		printf("  E:%lu = (%x/%x/%x)\n",
+			c1->end, dp[j].dp_ecyl, dp[j].dp_ehd, dp[j].dp_esect);
+#endif
+
+		dp[j].dp_mid = c1->subtype & 0xff;
+		dp[j].dp_sid = c1->subtype >> 8;
+		if (c1->flags & CHUNK_ACTIVE)
+			dp[j].dp_mid |= 0x80;
+
+		strncpy(dp[j].dp_name, c1->sname, 16);
+	}
+	j = 0;
+	for(i = 0; i < NDOSPART; i++) {
+		if (!s[i])
+			memset(dp + i, 0, sizeof *dp);
+	}
+
+	if (d1->bootipl)
+		write_block(fd, 0, d1->bootipl, d1->sector_size);
+
+	mbr = read_block(fd, 1, d1->sector_size);
+	memcpy(mbr + DOSPARTOFF, dp, sizeof *dp * NDOSPART);
+	/* XXX - for entire FreeBSD(98) */
+	for (c1 = d1->chunks->part; c1; c1 = c1->next)
+		if (((c1->type == freebsd) || (c1->type == fat))
+			 && (c1->offset == 0))
+			PC98_EntireDisk = 1;
+	if (PC98_EntireDisk == 0)
+		write_block(fd, 1, mbr, d1->sector_size);
+
+	if (d1->bootmenu)
+		for (i = 0; i * d1->sector_size < d1->bootmenu_size; i++)
+			write_block(fd, 2 + i, &d1->bootmenu[i * d1->sector_size], d1->sector_size);
+
+	i = 1;
+	i = ioctl(fd, DIOCSYNCSLICEINFO, &i);
+#ifdef DEBUG
+	if (i != 0)
+		warn("ioctl(DIOCSYNCSLICEINFO)");
+#endif
+	ioctl(fd, DIOCWLABEL, &zero);
+	close(fd);
+	return 0;
+}