(old)Puppy Linux Discussion Forum

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mkdir initdir
cd initdir
zcat ../initrd.gz | cpio -i -d

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mkdir mnt/tmpfs3

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#pmedia= usbflash|usbhd|usbcd|ataflash|atahd|atacd|atazip|scsihd|scsicd|cd
[ $pmedia ] && PMEDIA=$pmedia #boot parameter, broad category of boot media. ex: cd.
[ $pdev1 ] && PDEV1=$pdev1    #boot parameter, partition have booted off. ex: hda3
[ $psubdir ] && PSUBDIR=$psubdir #boot parameter, directory for puppy files. ex: puppy220
[ $pkeys ] && PKEYS=$pkeys #boot parameter, keyboard layout w476

# next bit added for ramboot
[ $ramboot ] && RAMBOOT=yes

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  #[ "$REMOVABLEDRVSAVE" = "1" ] && PUPMODE=13
  [ "$REMOVABLEDRVSAVE" = "1"  -a  "$PMEDIA" != "usbhd" ] && PUPMODE=13  #110116 shinobar.
  [ "$PMEDIA" = "usbflash" ] && PUPMODE=13 #v404 fix classmate, with internal usb flash.
  [ "$PMEDIA" = "ataflash" ] && PUPMODE=13 #w019 constrain writes to internal flash drv.
 ;;
 76) #v3.01 64+8+4 multisession cd.
  PUPMODE=77 #yes, want tmpfs top layer.
 ;;
esac

# next bit added for ramboot
[ "$RAMBOOT" = "yes" ] && PUPMODE=12

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 #normal ${DISTRO_FILE_PREFIX}save.2fs file. just mount it from where it is...
 echo -n "Loading personal file $PUPSAVEFILE ($PUPSAVEDEV)..." > /dev/console 
 [ "`echo "$PUPSAVEFS" | grep 'ext[234]'`" != "" ] && echo "/dev/$PUPSAVEDEV /mnt/dev_save $PUPSAVEFS defaults  1 1" >> /etc/fstab #v2.21

# next bit added for ramboot
if [ "$RAMBOOT" = "yes" ] ; then
        if [ "$PUPSAVEDEV" = '' ] ; then
                echo -e -n " \\033[1;31mError, Save file is required for ramboot option  \\033[0;39m" 
                exit
        fi
        mntfunc $PUPSAVEFS /dev/$PUPSAVEDEV /mnt/tmpfs3 noatime
        cd /mnt/tmpfs3/${PSUBDIR}
        SIZE=0
	SIZE=`ls *fs | while read line ; do SIZEK=$(du -k $line| cut -f 1); SIZE=$(expr $SIZE + $SIZEK); echo $SIZE ; done |tail -n 1`
        SIZE=`expr $SIZE + 1000`
        if [ $SIZE -gt $RAMSIZE ] ; then
                echo -e -n " \\033[1;31mError, Files too big to fit in RAM  \\033[0;39m" > /dev/consol
                exit
        fi
        mount -t tmpfs -o size=${SIZE}k tmpfs /mnt/dev_save
        mkdir /mnt/dev_save/$PSUBDIR
        echo -e  " \\033[1;35mCopying files to RAM  \\033[0;39m" > /dev/console #purple.
        echo -e  " \\033[1;35m${SIZE}KB RAM will be used\\033[0;39m" > /dev/console
        ls *fs |while read line ; do
                echo -e -n " \\033[1;35m${line} \\033[0;39m" > /dev/console #purple.
                cp -af ${line} /mnt/dev_save/$PSUBDIR > /dev/console 2>&1
        done
        cd
        umntfunc /mnt/tmpfs3
 else
      mntfunc $PUPSAVEFS /dev/$PUPSAVEDEV /mnt/dev_save noatime #-t $PUPSAVEFS -o noatime /dev/$PUPS
 fi
# above bit added for ramboot (and next line commented out)
 
# mntfunc $PUPSAVEFS /dev/$PUPSAVEDEV /mnt/dev_save noatime #-t $PUPSAVEFS -o noatime /dev/$PUPSAVEDEV /mnt/dev_save

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       if [ "$nocopysfs" = "" ];then
        echo -en "\\033[1;35m" >/dev/console #35=purple
        echo "'${basepupsfs}' now copying to hard drive (but only available next boot)..." >/dev/console
        echo -en "\\033[0;39m" >/dev/console
        PPATTERN="/dev/$xPUPSFSDEV "
        PUPSFSDEVMNTPT="`mount | grep "$PPATTERN" | cut -f 3 -d ' '`"

		# next bit added for ramboot
		[ "$RAMBOOT" = "yes" ] && PUPSFSDEVMNTPT=/mnt/dev_save

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 #100920 decide whether to copy .sfs's to ram (see prior decision above)...
 pdPATTERN="`echo "$PUPSFSDEV" | sed -e 's/[0-9]*$//'` " 
 if [ "$PNOCOPY" != "yes" ];then
  [ "`echo -n "$ATADRIVES" | grep "$pdPATTERN"`" = "" ] && COPYCONTENDER='yes' #test if not fast internal drive.
  [ $PUPMODE -eq 5 ] && COPYCONTENDER='yes'
  [ "$DEV1FS" = "iso9660" ] && COPYCONTENDER='yes'
 fi
 [ "$PCOPY" = "yes" ] && COPYCONTENDER='yes'
 [ "$COPYCONTENDER" = "yes" ] && [ $RAMSIZE -gt 220000 ] && [ $RAMSIZE -gt $MINRAM2CPY ] && COPY2RAM="yes"

 # next bit added for ramboot
 [ "$RAMBOOT" = "yes" ] && COPY2RAM=""

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find . | cpio -o -H newc | gzip -9 > ../initrd_new.gz