reinit the tree, so we can have metadata

9 files changed, 689 insertions, 0 deletions

diff --git a/sys-boot/yaboot/files/chrpfix.patch b/sys-boot/yaboot/files/chrpfix.patch
new file mode 100644
index 000000000000..e64369ba899a
--- /dev/null
+++ b/sys-boot/yaboot/files/chrpfix.patch
@@ -0,0 +1,23 @@
+--- Makefile.orig	2004-03-22 12:04:32.056149336 -0600
++++ Makefile	2004-03-22 12:05:51.824138328 -0600
+@@ -103,9 +103,11 @@
+ 
+ all: yaboot addnote mkofboot
+ 
+-yaboot: $(OBJS)
++yaboot: $(OBJS) addnote
+ 	$(LD) $(LFLAGS) $(OBJS) $(LLIBS) $(lgcc) -o second/$@
+ 	chmod -x second/yaboot
++	cp second/yaboot second/yaboot.chrp
++	util/addnote second/yaboot.chrp
+ 
+ addnote:
+ 	$(CC) $(UCFLAGS) -o util/addnote util/addnote.c
+@@ -185,6 +187,7 @@
+ 	install -d -o root -g root -m 0755 ${ROOT}/${PREFIX}/${MANDIR}/man5/
+ 	install -d -o root -g root -m 0755 ${ROOT}/${PREFIX}/${MANDIR}/man8/
+ 	install -o root -g root -m 0644 second/yaboot ${ROOT}/$(PREFIX)/lib/yaboot
++	install -o root -g root -m 0644 second/yaboot.chrp ${ROOT}/$(PREFIX)/lib/yaboot
+ 	install -o root -g root -m 0755 util/addnote ${ROOT}/${PREFIX}/lib/yaboot/addnote
+ 	install -o root -g root -m 0644 first/ofboot ${ROOT}/${PREFIX}/lib/yaboot/ofboot
+ 	install -o root -g root -m 0755 ybin/ofpath ${ROOT}/${PREFIX}/sbin/ofpath
diff --git a/sys-boot/yaboot/files/new-ofpath b/sys-boot/yaboot/files/new-ofpath
new file mode 100644
index 000000000000..5e395b251a8e
--- /dev/null
+++ b/sys-boot/yaboot/files/new-ofpath
@@ -0,0 +1,143 @@
+#!/bin/sh
+###############################################################################
+# Determines the Open Firmware path based on the linux device name
+#
+# Joseph Jezak <josejx@gentoo.org> Copyright (C) 2010
+# Rewrite of OFPath for newer kernels/scsi configurations
+#
+# This program is free software; you can redistribute it and/or
+# modify it under the terms of the GNU General Public License
+# as published by the Free Software Foundation; either version 2
+# of the License, or (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program; if not, write to the Free Software
+# Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA  02111-1307, USA.
+#
+###############################################################################
+
+### Set this to 1 to turn on debugging messages
+DEBUG=0
+
+### Find the device tree
+if [ ! -e /proc/device-tree ]; then
+	echo 1>&2 "ofpath: Cannot find the device tree!"
+	exit 1
+fi
+DEV_TREE="/proc/device-tree"
+
+### Check if sys is mounted
+if ! (grep -q '.* .* sysfs ' /proc/mounts 2> /dev/null) ; then
+	echo 1>&2 "ofpath: sysfs must be mounted for ofpath to support this system"
+        exit 1
+fi
+
+### Get the sysfs mount point
+SYS="$(m=`grep '.* .* sysfs ' /proc/mounts | head -n 1` ; echo `d=${m#* };echo ${d%% *}`)"
+if [ -z "$SYS" -o ! -d "$SYS" ] ; then
+	echo 1>&2 "ofpath: Unable to determine sysfs mountpoint"
+	exit 1
+fi
+
+
+### Get the device from the user
+### We dereference links to support devices like /dev/cdrom1
+DEVICE=$1
+if [ -z "$DEVICE" ]; then
+	echo 1>&2 "ofpath: No device specified!"
+	exit 1
+fi
+DEVICE=$(readlink -f "$DEVICE")
+DEVICE=$(basename $DEVICE)
+if [ -z "$DEVICE" ] || [ ! -e "/dev/$DEVICE" ]; then
+	echo 1>&2 "ofpath: Invalid device: /dev/$DEVICE"
+	exit 1
+fi
+[ "$DEBUG" = 1 ] && echo "Device is: $DEVICE"
+
+### Get the partition if we have it
+case ${DEVICE} in
+	sd*) PARTITION="${DEVICE#sd?}" ;;
+	### No partition for sr/sg devices
+	sr*|sg*) PARTITION="${DEVICE#sr?}" ;;
+	hd*) PARTITION="${DEVICE#hd?}" ;;
+	*) echo "Unknown device string."; exit 1;;
+esac
+if [ ! -z "$PARTITION" ] && [ "$DEBUG" = 1 ]; then
+	echo "Partition: $PARTITION"
+fi
+
+### Get the disk device name
+DISK_NAME="${DEVICE%%${PARTITION}}"
+[ "$DEBUG" = 1 ] && echo "Disk Name: $DISK_NAME"
+
+### Find the devspec for the controller
+DEVPATH=$(cd -P "$SYS/block/${DISK_NAME}/device" && pwd)
+if [ -z "$DEVPATH" ]; then
+	echo "Unable to determine device path!"
+	exit 1
+fi
+[ "$DEBUG" = 1 ] && echo "Devpath is: $DEVPATH"
+
+### Get the OF Path of the controller
+case ${DISK_NAME} in
+	sd*|sg*|sr*) CONTROLLER_PATH=$(cat ${DEVPATH}/../../../devspec) ;;
+	hd*) CONTROLLER_PATH=$(cat ${DEVPATH}/../../devspec) ;;
+	*) CONTROLLER_PATH="" ;;
+esac
+if [ -z "$CONTROLLER_PATH" ]; then
+	echo "Unable to determine controller path!"
+	exit 1
+fi
+[ "$DEBUG" = 1 ] && echo "Controller Path is: $CONTROLLER_PATH"
+
+### Generate the disk number and partition info
+case ${DISK_NAME} in
+	sd*|sg*|sr*)
+		DISK_NO="$(cd ${DEVPATH}/../; pwd)";
+		DISK_NO="${DISK_NO##*:}";
+		;;
+	hd*)
+		DISK_NO="$(cd ${DEVPATH}/../; pwd)";
+		DISK_NO="${DISK_NO##*ide}";
+		;;
+	*) echo "Unsupported disk type!"; exit 1 ;;
+esac
+DISK_NO="disk@${DISK_NO}:"
+[ "$DEBUG" = 1 ] && echo "Disk Number: ${DISK_NO}"
+
+### We need to get the controller port path (if it has one)
+if [ ! -d "$DEV_TREE/$CONTROLLER_PATH/disk" ] && [ ! -d "$DEV_TREE/$CONTROLLER_PATH/$DISK_NO" ]; then
+	### FIXME I don't know if every scsi device uses the host nomenclature
+	case ${DISK_NAME} in 
+		sd*|sg*|sr*)
+			PORT="$(cd ${DEVPATH}/../../; pwd)";
+			PORT="${PORT##*host}";
+			CTL_PORT="${CONTROLLER_PATH##*/}";
+			CTL_PORT="${CTL_PORT%%-root*}";
+			PORT="$CTL_PORT@$PORT"
+			[ "$DEBUG" = 1 ] && echo "Port: $PORT"
+			;;
+		*) echo "Unsupported disk type!"; exit 1 ;;
+	esac
+fi
+
+### Add the partition information if required
+if [ ! -z $PARTITION ]; then
+	DISK_NO="$DISK_NO$PARTITION"
+fi
+
+### Build the OF Path
+if [ -z "$PORT" ]; then
+	OFPATH="$CONTROLLER_PATH/$DISK_NO"
+else
+	OFPATH="$CONTROLLER_PATH/${PORT}/$DISK_NO"
+fi
+
+### Print out the ofpath
+echo $OFPATH
diff --git a/sys-boot/yaboot/files/new-ofpath-devspec.patch b/sys-boot/yaboot/files/new-ofpath-devspec.patch
new file mode 100644
index 000000000000..ac03c15d8dd7
--- /dev/null
+++ b/sys-boot/yaboot/files/new-ofpath-devspec.patch
@@ -0,0 +1,28 @@
+--- ybin/ofpath.bak	2012-05-09 12:24:51.709911981 -0400
++++ ybin/ofpath	2012-05-09 12:32:19.661560544 -0400
+@@ -85,11 +85,20 @@
+ [ "$DEBUG" = 1 ] && echo "Devpath is: $DEVPATH"
+ 
+ ### Get the OF Path of the controller
+-case ${DISK_NAME} in
+-	sd*|sg*|sr*) CONTROLLER_PATH=$(cat ${DEVPATH}/../../../devspec) ;;
+-	hd*) CONTROLLER_PATH=$(cat ${DEVPATH}/../../devspec) ;;
+-	*) CONTROLLER_PATH="" ;;
+-esac
++if [ -e  "${DEVPATH}/../../devspec" ]; then
++	### /dev/hd*
++	CONTROLLER_PATH=$(cat ${DEVPATH}/../../devspec);
++elif [ -e "${DEVPATH}/../../../devspec" ]; then
++	### /dev/sd* on kernel <3.3
++	CONTROLLER_PATH=$(cat ${DEVPATH}/../../../devspec);
++elif [ -e "${DEVPATH}/../../../../devspec" ]; then
++	### /dev/sd* on kernel 3.3+	
++	CONTROLLER_PATH=$(cat ${DEVPATH}/../../../../devspec);
++else
++	### None of the above...
++	CONTROLLER_PATH="";
++fi
++
+ if [ -z "$CONTROLLER_PATH" ]; then
+ 	echo "Unable to determine controller path!"
+ 	exit 1
diff --git a/sys-boot/yaboot/files/sysfs-ofpath.patch b/sys-boot/yaboot/files/sysfs-ofpath.patch
new file mode 100644
index 000000000000..7ebc0bfac86f
--- /dev/null
+++ b/sys-boot/yaboot/files/sysfs-ofpath.patch
@@ -0,0 +1,105 @@
+--- ybin/ofpath	2008-08-03 04:00:35.000000000 -0400
++++ ybin/ofpath	2009-01-09 13:46:12.000000000 -0500
+@@ -337,15 +337,18 @@
+ 
+ ide_ofpath()
+ {
+-    if [ ! -L "/proc/ide/$DEVNODE" ] ; then
++    if [ ! -L "/proc/ide/$DEVNODE" ] && [ ! -e "/sys/block/$DEVNODE" ] ; then
+ 	echo 1>&2 "$PRG: /dev/$DEVNODE: Device not configured"
+ 	return 1
+     fi
+ 
+-    local IDEBUS="$(v=`readlink /proc/ide/$DEVNODE` ; echo ${v%%/*} )"
+-    if [ -z "$IDEBUS" ] ; then
+-	echo 1>&2 "$PRG: BUG: IDEBUS == NULL"
+-	return 1
++    if [ -L "/proc/ide/$DEVNODE" ] ; then
++    	    local USE_OLD_PROC=1
++	    local IDEBUS="$(v=`readlink /proc/ide/$DEVNODE` ; echo ${v%%/*} )"
++	    if [ -z "$IDEBUS" ] ; then
++		echo 1>&2 "$PRG: BUG: IDEBUS == NULL"
++		return 1
++   	 fi
+     fi
+ 
+     case "$(uname -r)" in
+@@ -363,7 +366,8 @@
+ 		echo 1>&2 "$PRG: Unable to determine sysfs mountpoint"
+ 		return 1
+ 	    fi
+-	    local OF1275IDE="${SYS}/block/${DEVNODE}/device/../../devspec"
++	    local OF1275IDE=$(cd -P "${SYS}/block/${DEVNODE}/device" && pwd)
++	    OF1275IDE="${OF1275IDE}/../../devspec"
+ 	    ;;
+ 	*)
+ 	    local OF1275IDE="/proc/ide/$IDEBUS/devspec"
+@@ -402,34 +406,41 @@
+ 	    return 1
+ 	fi
+ 
+-	if [ ! -f "/proc/ide/${IDEBUS}/channel" ] ; then
+-	    echo 1>&2 "$PRG: KERNEL BUG: /proc/ide/${IDEBUS}/channel does not exist"
+-	    return 1
+-	fi
+-
+-	case "$(cat /proc/device-tree${DEVSPEC}/device_type 2> /dev/null)" in
+-	    ide|ata)
+-		local MASTER="/disk@0"
+-		local SLAVE="/disk@1"
+-		;;
+-	    pci-ide|pci-ata)
+-		local MASTER="/@$(cat /proc/ide/${IDEBUS}/channel)/disk@0"
+-		local SLAVE="/@$(cat /proc/ide/${IDEBUS}/channel)/disk@1"
+-		;;
+-	    scsi) ## some lame controllers pretend they are scsi, hopefully all kludges are created equal.
+-		local MASTER="/@$(($(cat /proc/ide/${IDEBUS}/channel) * 2 + 0))"
+-		local SLAVE="/@$(($(cat /proc/ide/${IDEBUS}/channel) * 2 + 1))"
+-		;;
+-	    spi)
+-		local MASTER="/disk@$(cat /proc/ide/${IDEBUS}/channel),0"
+-		local SLAVE="/disk@$(cat /proc/ide/${IDEBUS}/channel),1"
+-		;;
+-	    *)
+-		echo 1>&2 "$PRG: Unsupported IDE device type: \"$(cat /proc/device-tree${DEVSPEC}/device_type 2> /dev/null)\""
+-		return 1
+-		;;
+-	esac
++	
++	if [ "${USE_OLD_PROC}" = "1" ] ; then
++		if [ ! -f "/proc/ide/${IDEBUS}/channel" ] ; then
++		    echo 1>&2 "$PRG: KERNEL BUG: /proc/ide/${IDEBUS}/channel does not exist"
++		    return 1
++		fi
+ 
++		case "$(cat /proc/device-tree${DEVSPEC}/device_type 2> /dev/null)" in
++		    ide|ata)
++			local MASTER="/disk@0"
++			local SLAVE="/disk@1"
++			;;
++		    pci-ide|pci-ata)
++			local MASTER="/@$(cat /proc/ide/${IDEBUS}/channel)/disk@0"
++			local SLAVE="/@$(cat /proc/ide/${IDEBUS}/channel)/disk@1"
++			;;
++		    scsi) ## some lame controllers pretend they are scsi, hopefully all kludges are created equal.
++			local MASTER="/@$(($(cat /proc/ide/${IDEBUS}/channel) * 2 + 0))"
++			local SLAVE="/@$(($(cat /proc/ide/${IDEBUS}/channel) * 2 + 1))"
++			;;
++		    spi)
++			local MASTER="/disk@$(cat /proc/ide/${IDEBUS}/channel),0"
++			local SLAVE="/disk@$(cat /proc/ide/${IDEBUS}/channel),1"
++			;;
++		    *)
++			echo 1>&2 "$PRG: Unsupported IDE device type: \"$(cat /proc/device-tree${DEVSPEC}/device_type 2> /dev/null)\""
++			return 1
++			;;
++		esac
++	else
++	    ### I don't know what other disks would look like... FIXME
++	    local MASTER="/disk@0"
++	    local SLAVE="/disk@1"
++	fi
++	
+ 	case "$DEVNODE" in
+ 	    hda|hdc|hde|hdg|hdi|hdk|hdm|hdo)
+ 		echo "${DEVSPEC}${MASTER}:$PARTITION"
diff --git a/sys-boot/yaboot/files/yaboot-1.3.16-memalign.patch b/sys-boot/yaboot/files/yaboot-1.3.16-memalign.patch
new file mode 100644
index 000000000000..0fe4e250f292
--- /dev/null
+++ b/sys-boot/yaboot/files/yaboot-1.3.16-memalign.patch
@@ -0,0 +1,41 @@
+diff -uNr yaboot/lib/malloc.c yaboot-1.3.16//lib/malloc.c
+--- yaboot/lib/malloc.c	2010-07-09 03:18:17.000000000 +0100
++++ yaboot-1.3.16//lib/malloc.c	2011-01-23 16:57:13.000000000 +0000
+@@ -42,6 +42,37 @@
+ 	last_alloc = 0;
+ }
+ 
++static char *align_ptr_to(char *ptr, unsigned long align)
++{
++	return (char *)((((unsigned long)ptr) + (align - 1UL)) &
++			~(align - 1UL));
++}
++
++int posix_memalign(void **memptr, unsigned long alignment, unsigned long size)
++{
++	char *caddr;
++
++	if (alignment & (alignment - 1UL))
++		return -1;
++
++	if (alignment & (sizeof(void *) - 1UL))
++		return -1;
++
++	if (size == 0)
++	{
++		*memptr = (void *)0;
++		return 0;
++	}
++
++	caddr = align_ptr_to(malloc_ptr, alignment);
++	malloc_ptr = (caddr + size);
++	last_alloc = caddr;
++	malloc_ptr = align_ptr_to(malloc_ptr, 8UL);
++
++	*memptr = caddr;
++	return 0;
++}
++
+ void *malloc (unsigned int size)
+ {
+     char *caddr;
diff --git a/sys-boot/yaboot/files/yaboot-1.3.17-nopiessp-gcc4.patch b/sys-boot/yaboot/files/yaboot-1.3.17-nopiessp-gcc4.patch
new file mode 100644
index 000000000000..1ab2a3eecc3e
--- /dev/null
+++ b/sys-boot/yaboot/files/yaboot-1.3.17-nopiessp-gcc4.patch
@@ -0,0 +1,38 @@
+disable ssp usage in yaboot itself
+
+unfortunately, since we link against external libs that themselves were built
+with ssp turned on, we have to provide stubs to keep the linking from failing
+
+--- yaboot-1.3.13/Config.gentoo
++++ yaboot-1.3.13/Config.gentoo
+@@ -0,0 +1,6 @@
++check_gcc=$(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; \
++	then echo "$(1)"; else echo "$(2)"; fi)
++
++CFLAGS     += $(call check_gcc, -fno-stack-protector)
++CFLAGS     += $(call check_gcc, --nopie)
++
+--- yaboot-1.3.13/Makefile
++++ yaboot-1.3.13/Makefile
+@@ -1,6 +1,7 @@
+ ## Setup
+ 
+ include Config
++include Config.gentoo
+ 
+ VERSION = 1.3.13
+ # Debug mode (spam/verbose)
+@@ -79,7 +80,7 @@ HOSTCFLAGS = -O2 $(CFLAGS) -Wall -I/usr/
+ 	second/fs_of.o second/fs_ext2.o second/fs_iso.o second/fs_swap.o \
+ 	second/iso_util.o \
+ 	lib/nonstd.o \
+-	lib/nosys.o lib/string.o lib/strtol.o lib/vsprintf.o lib/ctype.o lib/malloc.o lib/strstr.o
++	lib/nosys.o lib/string.o lib/strtol.o lib/vsprintf.o lib/ctype.o lib/malloc.o lib/strstr.o lib/ssp.o
+ 
+ ifeq ($(USE_MD5_PASSWORDS),y)
+ OBJS += second/md5.o
+--- yaboot-1.3.14/lib/ssp.c
++++ yaboot-1.3.14/lib/ssp.c
+@@ -0,0 +1,2 @@
++void __stack_chk_fail(void) {}
++void __stack_chk_fail_local(void) {}
diff --git a/sys-boot/yaboot/files/yaboot-nopiessp-gcc4.patch b/sys-boot/yaboot/files/yaboot-nopiessp-gcc4.patch
new file mode 100644
index 000000000000..ed1755b72b33
--- /dev/null
+++ b/sys-boot/yaboot/files/yaboot-nopiessp-gcc4.patch
@@ -0,0 +1,38 @@
+disable ssp usage in yaboot itself
+
+unfortunately, since we link against external libs that themselves were built
+with ssp turned on, we have to provide stubs to keep the linking from failing
+
+--- yaboot-1.3.13/Config.gentoo
++++ yaboot-1.3.13/Config.gentoo
+@@ -0,0 +1,6 @@
++check_gcc=$(shell if $(CC) $(1) -S -o /dev/null -xc /dev/null > /dev/null 2>&1; \
++	then echo "$(1)"; else echo "$(2)"; fi)
++
++CFLAGS     += $(call check_gcc, -fno-stack-protector)
++CFLAGS     += $(call check_gcc, --nopie)
++
+--- yaboot-1.3.13/Makefile
++++ yaboot-1.3.13/Makefile
+@@ -1,6 +1,7 @@
+ ## Setup
+ 
+ include Config
++include Config.gentoo
+ 
+ VERSION = 1.3.13
+ # Debug mode (spam/verbose)
+@@ -79,7 +80,7 @@ HOSTCFLAGS = -O2 $(CFLAGS) -Wall -I/usr/
+ OBJS = second/crt0.o second/yaboot.o second/cache.o second/prom.o second/file.o \
+ 	second/partition.o second/fs.o second/cfg.o second/setjmp.o second/cmdline.o \
+ 	second/fs_of.o second/fs_ext2.o second/fs_iso.o second/iso_util.o \
+-	lib/nosys.o lib/string.o lib/strtol.o lib/vsprintf.o lib/ctype.o lib/malloc.o lib/strstr.o
++	lib/nosys.o lib/string.o lib/strtol.o lib/vsprintf.o lib/ctype.o lib/malloc.o lib/strstr.o lib/ssp.o
+ 
+ ifeq ($(USE_MD5_PASSWORDS),y)
+ OBJS += second/md5.o
+--- yaboot-1.3.14/lib/ssp.c
++++ yaboot-1.3.14/lib/ssp.c
+@@ -0,0 +1,2 @@
++void __stack_chk_fail(void) {}
++void __stack_chk_fail_local(void) {}
diff --git a/sys-boot/yaboot/files/yaboot-stubfuncs.patch b/sys-boot/yaboot/files/yaboot-stubfuncs.patch
new file mode 100644
index 000000000000..8ae522b7d4eb
--- /dev/null
+++ b/sys-boot/yaboot/files/yaboot-stubfuncs.patch
@@ -0,0 +1,231 @@
+Stub out some functions that are not provided (and unneeded)
+
+--- lib/malloc.c
++++ lib/malloc.c
+@@ -64,6 +64,15 @@ void *malloc (unsigned int size)
+     return caddr;
+ }
+ 
++/* Calloc wrapper for malloc */
++void *memset(void *s, int c, size_t n);
++void *calloc(size_t nmemb, size_t size) {
++	void *caddr;
++	caddr = malloc(nmemb * size);
++	memset(caddr, 0, nmemb * size);
++	return caddr;
++}
++
+ /* Do not fall back to the malloc above as posix_memalign is needed by
+  * external libraries not yaboot */
+ int posix_memalign(void **memptr, size_t alignment, size_t size)
+--- lib/nonstd.c
++++ lib/nonstd.c
+@@ -65,3 +65,208 @@
+ {
+ 	return NULL;
+ }
++
++int lseek(int fd, int offset, int whence) {
++	// XXX: This whence addition seems wrong ..
++	return prom_lseek((void *)fd, whence + offset);
++}
++
++int lseek64(int fd, int64_t offset, int whence) {
++	return lseek(fd, offset, whence);
++}
++
++int open(const char *pathname, int flags) {
++	return (int) prom_open((char *)pathname);
++}
++
++int open64(const char *pathname, int flags) {
++	return open(pathname, flags);
++}
++
++// Internal glibc fortify calls.
++int __open64_2(const char *path, int flags) {
++	return open64(path, flags);
++}
++
++int read(int fd, void *buf, size_t count) {
++	return prom_read((void *)fd, buf, count);
++}
++
++int write(int fd, const void *buf, size_t count) {
++	return prom_write((void *)fd, (void *)buf, count);
++}
++
++int close(int fd) {
++	prom_close((void *)fd);
++	return 0;
++}
++
++int pread(int fd, void *buf, size_t count, int32_t offset) {
++	int curr = lseek(fd, 0, 0 /*SEEK_CUR*/);
++	lseek(fd, offset, 0 /*SEEK_SET*/);
++	int ret = read(fd, buf, count);
++	lseek(fd, curr, 0 /*SEEK_SET*/);
++	return ret;
++}
++
++int pread64(int fd, void *buf, int64_t count, int64_t offset) {
++	return pread(fd, buf, count, offset);
++}
++
++int pwrite(int fd, const void *buf, size_t count, int32_t offset) {
++	int curr = lseek(fd, 0, 0 /*SEEK_CUR*/);
++	lseek(fd, offset, 0 /*SEEK_SET*/);
++	int ret = write(fd, buf, count);
++	lseek(fd, curr, 0 /*SEEK_SET*/);
++	return ret;
++}
++
++int pwrite64(int fd, const void *buf, int64_t count, int64_t offset) {
++	return pwrite(fd, buf, count, offset);
++}
++
++// No fsync, just assume we've sync'd
++int fsync(int fd) {
++	return 0;
++}
++
++// ext2 libs only use this to turn off caches currently
++int fcntl(int fd, int cmd, ...) {
++	return 0;
++}
++
++void exit(int status) {
++	prom_exit();
++}
++
++int __printf_chk(int flag, const char *format, ...) {
++	va_list ap;
++	va_start (ap, format);
++	prom_vfprintf (prom_stdout, format, ap);
++	va_end (ap);
++
++	return 0;
++}
++
++int __sprintf_chk(char * str, int flag, size_t strlen, const char * format, ...) {
++	va_list ap;
++	va_start(ap, format);
++	// No sprintf? :(
++	va_end(ap);
++	return 0;
++
++}
++
++int __fprintf_chk(FILE *stream, int flag, const char *format, ...) {
++	va_list ap;
++	va_start (ap, format);
++	prom_vfprintf (prom_stdout, format, ap);
++	va_end (ap);
++
++	return 0;
++}
++
++void *memcpy(void *dest, const void *src, size_t n);
++void *__memcpy_chk(void *dest, const void *src, size_t n, size_t destlen) {
++	return memcpy(dest, src, n);
++}
++
++// But these are all dummy functions
++int __xstat64 (int __ver, const char *__filename, void *__stat_buf) {
++	return 0;
++}
++
++int stat64(const char *path, void *stat_buf) {
++	return 0;
++}
++
++int fstat64(int fildes, void *stat_buf) {
++	return 0;
++}
++
++int __fxstat64 (int __ver, int __filedesc, void *__stat_buf) {
++	return 0;
++}
++
++signed int random(void) {
++	return 0;
++}
++
++void srandom(unsigned int seed) {
++	return;
++}
++
++int rand(void) {
++	return 0;
++}
++
++void srand(unsigned int seed) {
++	return;
++}
++
++unsigned int sleep(unsigned int seconds) {
++	return 0;
++}
++
++int gettimeofday(void *tv, void *tz) {
++	return 0;
++}
++
++long sysconf(int name) {
++	return 0;
++}
++
++int getpagesize(void) {
++	return 0;
++}
++
++int gethostname(char *name, size_t len) {
++	return 0;
++}
++
++int getpid(void) {
++	return 0;
++}
++
++int getuid(void) {
++	return 0;
++}
++
++void qsort(void *base, size_t nmemb, size_t size, int(*compar)(const void *, const void *)) {
++	return;
++}
++
++int * __errno_location(void) {
++	return 0;
++}
++
++size_t fwrite(const void *ptr, size_t size, size_t nmemb, void *stream) {
++	return 0;
++}
++
++int ioctl(int d, int request, ...) {
++	return 0;
++}
++
++int fallocate(int fd, int mode, unsigned int offset, unsigned int len) {
++	return 0;
++}
++
++int uname(void *buf) {
++	return 0;
++}
++
++int setrlimit(int resource, void *rlim) {
++	return 0;
++}
++
++unsigned long long int strtoull(const char *nptr, char **endptr, int base) {
++	return 0;
++}
++
++int getrlimit(int resource, void *rlim) {
++	return 0;
++}
++
++int stderr = 0;
++int perror = 0;
diff --git a/sys-boot/yaboot/files/yabootconfig-1.3.13.patch b/sys-boot/yaboot/files/yabootconfig-1.3.13.patch
new file mode 100644
index 000000000000..4bc13eef8b18
--- /dev/null
+++ b/sys-boot/yaboot/files/yabootconfig-1.3.13.patch
@@ -0,0 +1,42 @@
+--- yaboot-1.3.13.orig/ybin/yabootconfig	2004-11-04 21:57:17.000000000 -0500
++++ yaboot-1.3.13/ybin/yabootconfig	2004-11-04 22:40:45.503060512 -0500
+@@ -5,6 +5,8 @@
+ ## yabootconfig generates a simple /etc/yaboot.conf
+ ## Copyright (C) 2001, 2002, 2003 Ethan Benson
+ ##
++## Patched for Gentoo and dual boot - Mark Guertin <gerk@gentoo.org>
++##
+ ## This program is free software; you can redistribute it and/or
+ ## modify it under the terms of the GNU General Public License
+ ## as published by the Free Software Foundation; either version 2
+@@ -264,6 +266,30 @@
+     return 0
+ }
+ 
++dualboot()
++{
++       DRIVELIST=`ls -d /dev/?d?* | grep "[sh]d[abcdefghijkl]" | cut -b 6-8 | sort -u`
++
++       for i in $DRIVELIST
++       do
++               HFS=`mac-fdisk -l "/dev/$i" | grep '\<Apple_HFS\>' | grep -v "CDROM" | cut -d" " -f1`
++               for h in $HFS
++               do
++                       if [ !-x `hpmount -r $h` > /dev/null 2>&1 ] ; then
++                               if [ `hpls mach_kernel 2>/dev/null` ] ; then
++                                       [ "$QUIET" = 0 ] && echo "Found possible OS X/Darwin partition at $h"
++                                       OSX=$h
++                               fi
++                               if [ "`hpls "System Folder" 2>/dev/null`" ] ; then
++                                       [ "$QUIET" = 0 ] && echo "Found possible Mac OS partition at $h"
++                                       MACOS=$h
++                               fi
++                               hpumount $h > /dev/null 2>&1
++                       fi
++               done
++       done
++}
++
+ ##########
+ ## Main ##
+ ##########