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@ -209,11 +209,20 @@ ventoy_check_dm_module() {
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vtlog "modprobe failed, now try to insmod ko..."
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$FIND /lib/modules/ -name "dm-mod.ko*" | while read vtline; do
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vtlog "insmode $vtline "
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vtlog "insmod $vtline "
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$BUSYBOX_PATH/insmod $vtline >>$VTLOG 2>&1
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if [ $? -eq 0 ]; then
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vtlog "insmod success"
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else
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vtlog "insmod failed, try decompress"
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if echo $vtline | $GREP -q "\.zst"; then
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$VTOY_PATH/tool/zstdcat $vtline > $VTOY_PATH/extract_dm_mod.ko
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$BUSYBOX_PATH/insmod $VTOY_PATH/extract_dm_mod.ko >>$VTLOG 2>&1
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fi
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fi
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done
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fi
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if $GREP -q 'device-mapper' /proc/devices; then
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vtlog "device-mapper found in /proc/devices after retry"
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$BUSYBOX_PATH/true; return
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@ -292,6 +301,7 @@ ventoy_need_dm_patch() {
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}
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ventoy_dm_patch() {
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vtDmPatchDebug=0
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vtMType=$($BUSYBOX_PATH/uname -m)
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vtlog "######### ventoy_dm_patch ############"
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@ -350,6 +360,15 @@ ventoy_dm_patch() {
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kprobe_unreg_addr=$($GREP ' unregister_kprobe$' /proc/kallsyms | $AWK '{print $1}')
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if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
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vtDmPatchDebug=1
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fi
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if $GREP -q 'dmpatch_debug' /proc/cmdline; then
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vtDmPatchDebug=1
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fi
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if [ $vtDmPatchDebug -eq 1 ]; then
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printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
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if [ -z "$printk_addr" ]; then
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printk_addr=$($GREP ' _printk$' /proc/kallsyms | $AWK '{print $1}')
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@ -384,14 +403,17 @@ ventoy_dm_patch() {
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return
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elif [ -d /lib/modules/$vtKv/kernel/fs ]; then
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vtModPath=$($FIND /lib/modules/$vtKv/kernel/fs/ -name "*.ko*" | $HEAD -n1)
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else
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elif [ -d /lib/modules/$vtKv/kernel ]; then
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vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "xfs.ko*" | $HEAD -n1)
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elif [ -d /lib/modules/$vtKv/initrd ]; then
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vtModPath=$($FIND /lib/modules/$vtKv/initrd/ -name "xfs.ko*" | $HEAD -n1)
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fi
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if [ -z "$vtModPath" ]; then
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vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "*.ko*" | $HEAD -n1)
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vtModPath=$($FIND /lib/modules/$vtKv/ -name "*.ko*" | $HEAD -n1)
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fi
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vtModName=$($BUSYBOX_PATH/basename $vtModPath)
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vtlog "template module is $vtModPath $vtModName"
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@ -405,6 +427,8 @@ ventoy_dm_patch() {
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$BUSYBOX_PATH/xzcat $vtModPath > $VTOY_PATH/$vtModName
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elif echo $vtModPath | $GREP -q "[.]ko[.]gz$"; then
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$BUSYBOX_PATH/zcat $vtModPath > $VTOY_PATH/$vtModName
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elif echo $vtModPath | $GREP -q "[.]ko[.]zst$"; then
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$VTOY_PATH/tool/zstdcat $vtModPath > $VTOY_PATH/$vtModName
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else
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vtlog "unsupport module type"
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return
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@ -414,17 +438,21 @@ ventoy_dm_patch() {
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#step1: modify vermagic/mod crc/relocation
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vtlog "$VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug"
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$VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug
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$VTOY_PATH/tool/vtoykmod -u $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug >>$VTLOG 2>&1
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#step2: fill parameters
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vtPgsize=$($VTOY_PATH/tool/vtoyksym -p)
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vtlog "$VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtKv $vtIBT $vtDebug"
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$VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtKv $vtIBT $vtDebug
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$VTOY_PATH/tool/vtoykmod -f $VTOY_PATH/tool/$vtKoName $vtPgsize 0x$printk_addr 0x$ro_addr 0x$rw_addr $get_addr $get_size $put_addr $put_size 0x$kprobe_reg_addr 0x$kprobe_unreg_addr $vtKv $vtIBT $vtDebug >>$VTLOG 2>&1
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$BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName
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vtlog "insmod $VTOY_PATH/tool/$vtKoName"
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$BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName >>$VTLOG 2>&1
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if $GREP -q 'dm_patch' /proc/modules; then
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vtlog "dm_patch module OK"
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echo "done" > $VTOY_PATH/dm_patch_done
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else
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vtlog "dm_patch module FAILED"
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fi
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}
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