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ventoyventoy
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1.1.01
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12 files changed

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-348
lines changed

12 files changed

+77
-348
lines changed

‎IMG/cpio/ventoy/hook/ventoy-hook-lib.sh‎

Lines changed: 8 additions & 307 deletions
Original file line numberDiff line numberDiff line change
@@ -232,257 +232,6 @@ ventoy_check_dm_module() {
232232
fi
233233
}
234234

235-
ventoy_need_proc_ibt() {
236-
vtKv=$($BUSYBOX_PATH/uname -r)
237-
vtMajor=$(echo $vtKv | $AWK -F. '{print $1}')
238-
vtMinor=$(echo $vtKv | $AWK -F. '{print $2}')
239-
240-
#ibt was supported since linux kernel 5.18
241-
if [ $vtMajor -lt 5 ]; then
242-
$BUSYBOX_PATH/false; return
243-
elif [ $vtMajor -eq 5 ]; then
244-
if [ $vtMajor -lt 18 ]; then
245-
$BUSYBOX_PATH/false; return
246-
fi
247-
fi
248-
249-
if $GREP -q ' ibt=off' /proc/cmdline; then
250-
$BUSYBOX_PATH/false; return
251-
fi
252-
253-
#hardware CPU doesn't support IBT
254-
if $VTOY_PATH/tool/vtoykmod -I; then
255-
:
256-
else
257-
$BUSYBOX_PATH/false; return
258-
fi
259-
260-
#dot.CONFIG not enabled
261-
if $GREP -q ' ibt_restore$' /proc/kallsyms; then
262-
:
263-
else
264-
$BUSYBOX_PATH/false; return
265-
fi
266-
267-
$BUSYBOX_PATH/true
268-
}
269-
270-
271-
ventoy_need_dm_patch() {
272-
if [ "$VTOY_LINUX_REMOUNT" != "01" ]; then
273-
if $GREP -q 'VTOY_LINUX_REMOUNT=1' /proc/cmdline; then
274-
:
275-
else
276-
$BUSYBOX_PATH/false; return
277-
fi
278-
fi
279-
280-
if $GREP -q 'device-mapper' /proc/devices; then
281-
:
282-
else
283-
$BUSYBOX_PATH/false; return
284-
fi
285-
286-
if $GREP -q 'dm_patch' /proc/modules; then
287-
$BUSYBOX_PATH/false; return
288-
fi
289-
290-
vtMajorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $1}')
291-
vtMinorVer=$($BUSYBOX_PATH/uname -r | $AWK -F. '{print $2}')
292-
293-
if [ $vtMajorVer -lt 3 ]; then
294-
$BUSYBOX_PATH/false; return
295-
elif [ $vtMajorVer -eq 3 -a $vtMinorVer -lt 10 ]; then
296-
$BUSYBOX_PATH/false; return
297-
fi
298-
299-
300-
$BUSYBOX_PATH/true
301-
}
302-
303-
ventoy_dm_patch() {
304-
vtDmPatchDebug=0
305-
vtMType=$($BUSYBOX_PATH/uname -m)
306-
307-
vtlog "######### ventoy_dm_patch ############"
308-
309-
if echo $vtMType | $EGREP -i -q "x86.64|amd64"; then
310-
vtKoName=dm_patch_64.ko
311-
elif echo $vtMType | $EGREP -i -q "i[3-6]86"; then
312-
vtKoName=dm_patch_32.ko
313-
else
314-
vtlog "unsupported machine type $vtMType"
315-
return
316-
fi
317-
318-
if ventoy_need_proc_ibt; then
319-
vtlog "need to proc IBT"
320-
vtKoName=dm_patch_ibt_64.ko
321-
vtIBT='0x8888'
322-
else
323-
vtlog "NO need to proc IBT"
324-
vtIBT='0'
325-
fi
326-
327-
328-
if [ -f $VTOY_PATH/tool/$vtKoName ]; then
329-
vtlog "/ventoy/tool/$vtKoName exist OK"
330-
else
331-
vtlog "/ventoy/tool/$vtKoName NOT exist"
332-
return
333-
fi
334-
335-
$CAT /proc/kallsyms | $BUSYBOX_PATH/sort > $VTOY_PATH/kallsyms
336-
337-
if $GREP -m1 -q 'open_table_device.isra' $VTOY_PATH/kallsyms; then
338-
vtISRA=$($GREP -m1 'open_table_device.isra' $VTOY_PATH/kallsyms | $AWK '{print $3}')
339-
vtLine=$($VTOY_PATH/tool/vtoyksym $vtISRA $VTOY_PATH/kallsyms)
340-
vtlog "get $vtISRA address $vtLine"
341-
else
342-
vtLine=$($VTOY_PATH/tool/vtoyksym dm_get_table_device $VTOY_PATH/kallsyms)
343-
vtlog "get dm_get_table_device address $vtLine"
344-
fi
345-
get_addr=$(echo $vtLine | $AWK '{print $1}')
346-
get_size=$(echo $vtLine | $AWK '{print $2}')
347-
348-
vtLine=$($VTOY_PATH/tool/vtoyksym blkdev_get_by_dev $VTOY_PATH/kallsyms)
349-
vtlog "get blkdev_get_by_dev address $vtLine"
350-
blkdev_get_addr=$(echo $vtLine | $AWK '{print $1}')
351-
352-
vtLine=$($VTOY_PATH/tool/vtoyksym blkdev_put $VTOY_PATH/kallsyms)
353-
vtlog "get blkdev_put address $vtLine"
354-
blkdev_put_addr=$(echo $vtLine | $AWK '{print $1}')
355-
356-
vtLine=$($VTOY_PATH/tool/vtoyksym bdev_open_by_dev $VTOY_PATH/kallsyms)
357-
vtlog "get bdev_open_by_dev address $vtLine"
358-
bdev_open_addr=$(echo $vtLine | $AWK '{print $1}')
359-
360-
vtLine=$($VTOY_PATH/tool/vtoyksym bdev_file_open_by_dev $VTOY_PATH/kallsyms)
361-
vtlog "get bdev_file_open_by_dev address $vtLine"
362-
bdev_file_open_addr=$(echo $vtLine | $AWK '{print $1}')
363-
364-
365-
if $GREP -m1 -q 'close_table_device.isra' $VTOY_PATH/kallsyms; then
366-
vtLine=$($VTOY_PATH/tool/vtoyksym close_table_device.isra $VTOY_PATH/kallsyms)
367-
vtlog "get close_table_device.isra address $vtLine"
368-
else
369-
vtLine=$($VTOY_PATH/tool/vtoyksym dm_put_table_device $VTOY_PATH/kallsyms)
370-
vtlog "get dm_put_table_device address $vtLine"
371-
fi
372-
put_addr=$(echo $vtLine | $AWK '{print $1}')
373-
put_size=$(echo $vtLine | $AWK '{print $2}')
374-
375-
ro_addr=$($GREP ' set_memory_ro$' /proc/kallsyms | $AWK '{print $1}')
376-
rw_addr=$($GREP ' set_memory_rw$' /proc/kallsyms | $AWK '{print $1}')
377-
kprobe_reg_addr=$($GREP ' register_kprobe$' /proc/kallsyms | $AWK '{print $1}')
378-
kprobe_unreg_addr=$($GREP ' unregister_kprobe$' /proc/kallsyms | $AWK '{print $1}')
379-
380-
if [ "$VTOY_DEBUG_LEVEL" = "01" ]; then
381-
vtDmPatchDebug=1
382-
fi
383-
384-
if $GREP -q 'dmpatch_debug' /proc/cmdline; then
385-
vtDmPatchDebug=1
386-
fi
387-
388-
389-
if [ $vtDmPatchDebug -eq 1 ]; then
390-
printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
391-
if [ -z "$printk_addr" ]; then
392-
printk_addr=$($GREP ' _printk$' /proc/kallsyms | $AWK '{print $1}')
393-
fi
394-
vtDebug="-v"
395-
else
396-
printk_addr=0
397-
fi
398-
399-
#printk_addr=$($GREP ' printk$' /proc/kallsyms | $AWK '{print $1}')
400-
#vtDebug="-v"
401-
402-
vtlog get_addr=$get_addr get_size=$get_size
403-
vtlog put_addr=$put_addr put_size=$put_size
404-
vtlog blkdev_get_addr=$blkdev_get_addr blkdev_put_addr=$blkdev_put_addr
405-
vtlog kprobe_reg_addr=$kprobe_reg_addr kprobe_unreg_addr=$kprobe_unreg_addr
406-
vtlog ro_addr=$ro_addr rw_addr=$rw_addr printk_addr=$printk_addr bdev_open_addr=$bdev_open_addr bdev_file_open_addr=$bdev_file_open_addr
407-
408-
if [ "$get_addr" = "0" -o "$put_addr" = "0" ]; then
409-
vtlog "Invalid symbol address"
410-
return
411-
fi
412-
if [ "$ro_addr" = "0" -o "$rw_addr" = "0" ]; then
413-
vtlog "Invalid symbol address"
414-
return
415-
fi
416-
417-
418-
vtKv=$($BUSYBOX_PATH/uname -r)
419-
vtKVMajor=$(echo $vtKv | $AWK -F. '{print $1}')
420-
vtKVMinor=$(echo $vtKv | $AWK -F. '{print $2}')
421-
vtKVSubMinor=$(echo $vtKv | $AWK -F. '{print $3}')
422-
423-
if [ ! -d /lib/modules/$vtKv ]; then
424-
vtlog "No modules directory found"
425-
return
426-
elif [ -d /lib/modules/$vtKv/kernel/fs ]; then
427-
vtModPath=$($FIND /lib/modules/$vtKv/kernel/fs/ -name "*.ko*" | $HEAD -n1)
428-
elif [ -d /lib/modules/$vtKv/kernel ]; then
429-
vtModPath=$($FIND /lib/modules/$vtKv/kernel/ -name "xfs.ko*" | $HEAD -n1)
430-
elif [ -d /lib/modules/$vtKv/initrd ]; then
431-
vtModPath=$($FIND /lib/modules/$vtKv/initrd/ -name "xfs.ko*" | $HEAD -n1)
432-
fi
433-
434-
435-
if [ -z "$vtModPath" ]; then
436-
vtModPath=$($FIND /lib/modules/$vtKv/ -name "*.ko*" | $HEAD -n1)
437-
fi
438-
439-
vtModName=$($BUSYBOX_PATH/basename $vtModPath)
440-
441-
vtlog "template module is $vtModPath $vtModName"
442-
443-
if [ -z "$vtModPath" ]; then
444-
vtlog "No template module found"
445-
return
446-
elif echo $vtModPath | $GREP -q "[.]ko$"; then
447-
$BUSYBOX_PATH/cp -a $vtModPath $VTOY_PATH/$vtModName
448-
elif echo $vtModPath | $GREP -q "[.]ko[.]xz$"; then
449-
$BUSYBOX_PATH/xzcat $vtModPath > $VTOY_PATH/$vtModName
450-
elif echo $vtModPath | $GREP -q "[.]ko[.]gz$"; then
451-
$BUSYBOX_PATH/zcat $vtModPath > $VTOY_PATH/$vtModName
452-
elif echo $vtModPath | $GREP -q "[.]ko[.]zst$"; then
453-
$VTOY_PATH/tool/zstdcat $vtModPath > $VTOY_PATH/$vtModName
454-
else
455-
vtlog "unsupport module type"
456-
return
457-
fi
458-
459-
460-
461-
#step1: modify vermagic/mod crc/relocation
462-
vtlog "$VTOY_PATH/tool/vtoykmod -u $vtKVMajor $vtKVMinor $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug"
463-
$VTOY_PATH/tool/vtoykmod -u $vtKVMajor $vtKVMinor $VTOY_PATH/tool/$vtKoName $VTOY_PATH/$vtModName $vtDebug >>$VTLOG 2>&1
464-
465-
#step2: fill parameters
466-
vtPgsize=$($VTOY_PATH/tool/vtoyksym -p)
467-
468-
vtPrams="$VTOY_PATH/tool/$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 $vtKVMajor $vtIBT $vtKVMinor $blkdev_get_addr $blkdev_put_addr $vtKVSubMinor $bdev_open_addr $bdev_file_open_addr $vtDebug"
469-
470-
471-
vtlog "$VTOY_PATH/tool/vtoykmod -f $vtPrams"
472-
$VTOY_PATH/tool/vtoykmod -f $vtPrams >>$VTLOG 2>&1
473-
474-
475-
vtlog "insmod $VTOY_PATH/tool/$vtKoName"
476-
$BUSYBOX_PATH/insmod $VTOY_PATH/tool/$vtKoName >>$VTLOG 2>&1
477-
478-
if $GREP -q 'dm_patch' /proc/modules; then
479-
vtlog "dm_patch module OK"
480-
echo "done" > $VTOY_PATH/dm_patch_done
481-
else
482-
vtlog "dm_patch module FAILED"
483-
fi
484-
485-
}
486235

487236
create_ventoy_device_mapper() {
488237
vtlog "create_ventoy_device_mapper $*"
@@ -502,28 +251,16 @@ create_ventoy_device_mapper() {
502251
fi
503252

504253
$VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_dm_table
505-
506-
507-
vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
508-
vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
509-
vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
510-
vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
511-
if ventoy_need_dm_patch; then
512-
ventoy_dm_patch
513-
#suppress printk message
514-
echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
515-
fi
254+
$VTOY_PATH/tool/vtoydm -r -f $VTOY_PATH/ventoy_image_map -d $1 > $VTOY_PATH/ventoy_raw_table
516255

517256
if [ -z "$2" ]; then
518257
$VT_DM_BIN create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
519258
else
520259
$VT_DM_BIN "$2" create ventoy $VTOY_PATH/ventoy_dm_table >>$VTLOG 2>&1
521260
fi
522-
523-
if ventoy_need_dm_patch; then
524-
#recover printk level
525-
echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
526-
fi
261+
262+
RAWDISKNAME=$($HEAD -n1 $VTOY_PATH/ventoy_raw_table | $AWK '{print $4}')
263+
$VT_DM_BIN create ${RAWDISKNAME#/dev/} $VTOY_PATH/ventoy_raw_table >>$VTLOG 2>&1
527264
}
528265

529266
create_persistent_device_mapper() {
@@ -543,24 +280,8 @@ create_persistent_device_mapper() {
543280
vterr "Error: no dm module avaliable"
544281
fi
545282

546-
$VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table
547-
548-
549-
vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
550-
vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
551-
vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
552-
vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
553-
if [ -f $VTOY_PATH/dm_patch_done ]; then
554-
#suppress printk message
555-
echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
556-
fi
557-
558-
$VT_DM_BIN create vtoy_persistent $VTOY_PATH/persistent_dm_table >>$VTLOG 2>&1
559-
560-
if [ -f $VTOY_PATH/dm_patch_done ]; then
561-
#recover printk level
562-
echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
563-
fi
283+
$VTOY_PATH/tool/vtoydm -p -f $VTOY_PATH/ventoy_persistent_map -d $1 > $VTOY_PATH/persistent_dm_table
284+
$VT_DM_BIN create vtoy_persistent $VTOY_PATH/persistent_dm_table >>$VTLOG 2>&1
564285
}
565286

566287

@@ -853,30 +574,15 @@ ventoy_udev_disk_common_hook() {
853574
if [ -f $VTOY_PATH/ventoy_persistent_map ]; then
854575
create_persistent_device_mapper "/dev/$VTDISK"
855576
ventoy_create_persistent_link
856-
fi
857-
858-
if $GREP -q 'dm_patch' /proc/modules; then
859-
vtlog "remove dm_patch module."
860-
$BUSYBOX_PATH/rmmod dm_patch
861-
fi
577+
fi
862578
}
863579

864580
ventoy_create_dev_ventoy_part() {
865581
blkdev_num=$($VTOY_PATH/tool/dmsetup ls | $GREP ventoy | $SED 's/.*(\([0-9][0-9]*\),.*\([0-9][0-9]*\).*/\1 \2/')
866582
$BUSYBOX_PATH/mknod -m 0666 /dev/ventoy b $blkdev_num
867583

868584
if [ -e /vtoy_dm_table ]; then
869-
vtPartid=1
870-
871-
vtLevel1=$($CAT /proc/sys/kernel/printk | $AWK '{print $1}')
872-
vtLevel2=$($CAT /proc/sys/kernel/printk | $AWK '{print $2}')
873-
vtLevel3=$($CAT /proc/sys/kernel/printk | $AWK '{print $3}')
874-
vtLevel4=$($CAT /proc/sys/kernel/printk | $AWK '{print $4}')
875-
if [ -f $VTOY_PATH/dm_patch_done ]; then
876-
#suppress printk message
877-
echo 0 $vtLevel2 0 $vtLevel4 > /proc/sys/kernel/printk
878-
fi
879-
585+
vtPartid=1
880586
$CAT /vtoy_dm_table | while read vtline; do
881587
echo $vtline > /ventoy/dm_table_part${vtPartid}
882588
$VTOY_PATH/tool/dmsetup create ventoy${vtPartid} /ventoy/dm_table_part${vtPartid}
@@ -886,11 +592,6 @@ ventoy_create_dev_ventoy_part() {
886592

887593
vtPartid=$(expr $vtPartid + 1)
888594
done
889-
890-
if [ -f $VTOY_PATH/dm_patch_done ]; then
891-
#recover printk level
892-
echo $vtLevel1 $vtLevel2 $vtLevel3 $vtLevel4 > /proc/sys/kernel/printk
893-
fi
894595
fi
895596
}
896597

‎IMG/cpio/ventoy/loop/batocera/ventoy-disk.sh‎

Lines changed: 0 additions & 29 deletions
Original file line numberDiff line numberDiff line change
@@ -39,35 +39,6 @@ fi
3939
ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2" "noreplace"
4040
ventoy_create_dev_ventoy_part
4141

42-
if ventoy_need_dm_patch; then
43-
vtlog "extract a ko file"
44-
45-
mkdir -p /ventoy/tmpmnt1 /ventoy/tmpmnt2
46-
mount /dev/ventoy1 /ventoy/tmpmnt1
47-
mount /ventoy/tmpmnt1/boot/batocera /ventoy/tmpmnt2
48-
vtKV=$(uname -r)
49-
50-
mkdir -p /lib/modules/$vtKV/kernel/
51-
vtKO=$(find "/ventoy/tmpmnt2/lib/modules/$vtKV/kernel/fs/" -name "*.ko*" | head -n1)
52-
cp -a $vtKO /lib/modules/$vtKV/kernel/
53-
54-
vtlog "vtKV=$vtKV vtKO=$vtKO"
55-
56-
umount /ventoy/tmpmnt2
57-
umount /ventoy/tmpmnt1
58-
59-
vtPartid=1
60-
cat /vtoy_dm_table | while read vtline; do
61-
dmsetup remove ventoy$vtPartid
62-
vtPartid=$(expr $vtPartid + 1)
63-
done
64-
dmsetup remove ventoy
65-
66-
vtlog "Recreate device-mapper"
67-
ventoy_udev_disk_common_hook "${vtdiskname#/dev/}2" "noreplace"
68-
ventoy_create_dev_ventoy_part
69-
fi
70-
7142

7243
PATH=$VTPATH_OLD
7344

‎IMG/cpio_x86/ventoy/tool/dm_patch_32.ko‎

-73.3 KB
Binary file not shown.

‎IMG/cpio_x86/ventoy/tool/dm_patch_64.ko‎

-14.6 KB
Binary file not shown.

‎IMG/cpio_x86/ventoy/tool/dm_patch_ibt_64.ko‎

-15.3 KB
Binary file not shown.

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