1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
570
571
572
573
574
575
576
577
578
579
580
581
582
583
584
585
586
587
588
589
590
591
592
593
594
595
596
597
598
599
600
601
602
603
604
605
606
607
608
609
610
611
612
613
614
615
616
617
618
619
620
621
622
623
624
625
626
627
628
629
630
631
632
633
634
635
636
637
638
639
640
641
642
643
644
645
646
647
648
649
650
651
652
653
654
655
656
657
658
659
660
661
662
663
664
665
666
667
668
669
670
671
672
673
674
675
676
677
678
679
680
681
682
683
684
685
686
687
688
689
690
691
692
693
694
695
696
697
698
699
700
701
702
703
704
705
706
707
708
709
710
711
712
713
714
715
716
717
718
719
720
721
722
723
724
725
726
727
728
729
730
731
732
733
734
735
736
737
738
739
740
741
742
743
744
745
746
747
748
749
750
751
752
753
754
755
756
757
758
759
760
761
762
763
764
765
766
767
768
769
770
771
772
773
774
775
776
777
778
779
780
781
782
783
784
785
786
787
788
789
790
791
792
793
794
795
796
797
798
799
800
801
802
803
804
805
806
807
808
809
810
811
812
813
814
815
816
817
818
819
820
821
822
823
824
825
826
827
828
829
830
831
832
833
834
835
836
837
838
839
840
841
842
843
844
845
846
847
848
849
850
851
852
853
854
855
856
857
858
859
860
861
862
863
864
865
866
867
868
869
870
871
872
873
874
875
876
877
878
879
880
881
882
883
884
885
886
887
888
889
890
891
892
893
894
895
896
897
898
899
900
901
902
903
904
905
906
907
908
909
910
911
|
#!/bin/bash
PROG_REQ=( kpartx mkfs.ext4 mkfs.vfat losetup readlink awk parted )
SLACK=128
function cleanup_disk_image()
{
kpartx -d /dev/mapper/diskimage
dmsetup remove diskimage
losetup -d $_loop_dev
remove_tmp_files
if [ "$DESTDIR_DEL" = true ]
then
rm -rf "$DESTDIR"
fi
}
function cleanup_disk_image_error()
{
cleanup_disk_image
rm $IMG
}
function check_depends()
{
for ((i=0; i<${#PROG_REQ[@]}; i++))
do
if ! command -v ${PROG_REQ[i]} > /dev/null
then
echo "Please install the needed program: ${PROG_REQ[i]}."
exit 1
fi
done
}
function add_rootfs()
{
local dev=${LOAD_CMD%:*}
dev=${dev##* }
local par=${LOAD_CMD#*:}
local j=$1
if [ -z "$dev" ] || [ -z "$par" ]
then
echo "Could not parse device and partition."
exit 1
fi
par=$(( $par + $j ))
if [[ $LOAD_CMD =~ mmc ]]
then
retval="/dev/mmcblk${dev}p${par}"
elif [[ $LOAD_CMD =~ scsi ]]
then
# converts number to a scsi device character
dev=$((dev + 97))
dev=$(printf %x $dev)
dev=$(printf "\x$dev")
retval="/dev/sd${dev}${par}"
else
echo "Only mmc and scsi are supported for automatically setting the root partition."
echo "Manually set DOM0_CMD with the root device in the config file to bypass this."
exit 1
fi
}
function get_interrupts()
{
local xen_intr_txt="$1"
local num_fields
local intr_num
local intr_str
local val
local i
while IFS= read -r val
do
#Remove the prefix "interrupts = <"
val=${val#*"interrupts = <"}
#Remove the suffix ">;" from each line
val=${val%>;*}
num_fields=`echo $val | awk '{print NF}'`
#We expect the following format
#interrupts = <0x00 irq_no flags 0x00 irq_no flags 0x00 irq_no flags ..>;
if test $((num_fields % 3)) -ne 0
then
return 1
fi
#Position of the first interrupt no
i=2
while test $i -lt $num_fields
do
intr_num=`echo $val | awk -v i="$i" '{print $i}'`
#The next irq_no will be after 3 places
i=$((i+3))
intr_num=$((intr_num + 32))
if test "$intr_str"
then
intr_str="$intr_str,"
fi
intr_str="$intr_str"$intr_num
done
done < "$xen_intr_txt"
if test "$intr_str"
then
echo "$intr_str"
fi
}
function contains()
{
local item="$1"
local list="$2"
local each
for each in $list
do
if test "$each" = "$item"
then
echo "yes"
fi
done
}
function check_if_force_assign_iommu()
{
local xen_path="$1"
local dtb="$2"
local node="$3"
local path
local subnode
local subnode_cnt
local props
local xen_path_present
local assign_present
subnode_cnt=$(fdtget -l "$dtb" "$node" | wc -l)
props=$(fdtget -p "$dtb" "$node")
xen_path_present=$(contains "xen,path" "$props")
assign_present=$(contains "xen,force-assign-without-iommu" "$props")
if test "$xen_path_present" = "yes" && test "$assign_present" = "yes"
then
path=$(fdtget "$dtb" "$node" "xen,path")
if test "$path" = "$xen_path"
then
echo "yes"
return 0
fi
fi
if test $subnode_cnt -gt 0
then
for subnode in `fdtget -l "$dtb" "$node"`
do
subnode="$node/$subnode"
check_if_force_assign_iommu "$xen_path" "$dtb" "$subnode"
done
fi
}
function get_iommu_prop()
{
local xen_path_txt="$1"
local domU_dtb="$2"
local dtdev_str
local devpath
local force_assign
#Iterate through all the lines in the file
while IFS= read -r devpath
do
#Extract the path of the device from each line
#
#For eg, the line may be as follows
#xen,path = "/axi/serial@ff010000";
#
#What we want is the following substring
#"/axi/serial@ff010000"
devpath=`echo $devpath | awk '{print $3}'`
devpath=${devpath#*\"}
devpath=${devpath%\";*}
force_assign=$(check_if_force_assign_iommu "$devpath" "$domU_dtb" "/passthrough")
if test -z "$force_assign"
then
if test "$dtdev_str"
then
dtdev_str="$dtdev_str, "
fi
dtdev_str=${dtdev_str}"\""${devpath}"\""
fi
done < "$xen_path_txt"
if test "$dtdev_str"
then
echo "$dtdev_str"
fi
}
function get_iomem()
{
local xen_reg_txt="$1"
local addr="$2"
local size="$3"
local val
local i
local num_fields
local iomem_str
local address_size_pair
local mfn
local gfn
local size_
local PAGE_SHIFT=12
#Iterate through all the lines in the file
#The file will look similar to the following:-
#
#xen,reg = <0x00 0xff010000 0x00 0x1000 0x00 0xff010000 0x00 0xff110000 0x00 0x1000 0x00 0xff110000 0x00 0xff120000 0x00 0x1000 0x00 0xff120000 0x00 0xff130000 0x00 0x1000 0x00 0xff130000 0x00 0xff140000 0x00 0x1000 0x00 0xff140000>;
#xen,reg = <0x00 0xfd0c0000 0x00 0x2000 0x00 0xfd0c0000>;
while IFS= read -r val
do
#Remove the prefix "xen,reg = <" from each line
val=${val#*"xen,reg = <"}
#Remove the suffix ">;" from each line
val=${val%>;*}
num_fields=`echo $val | awk '{print NF}'`
i=0
while test $i -lt $num_fields
do
i=$((i + addr))
#Extract the iomem physical address
mfn=`echo $val | awk -v i="$i" '{print $i}'`
#Calculate the page address
mfn=0x$(printf "%X" $(( $((mfn>>PAGE_SHIFT)) & 0xfffff)) )
i=$((i + size))
#Extract the size of the iomem address
size_=`echo $val | awk -v i="$i" '{print $i}'`
#Calculatde the number of pages
size_=$(printf "%X" $(( $((size_>>PAGE_SHIFT)) & 0xfffff)) )
i=$((i + addr))
#Extract the iomem guest address
gfn=`echo $val | awk -v i="$i" '{print $i}'`
#Calculate the page address
gfn=0x$(printf "%X" $(( $((gfn>>PAGE_SHIFT)) & 0xfffff)) )
if test "$gfn" != "$mfn"
then
address_size_pair="\"$mfn,${size_}@${gfn}\""
else
address_size_pair="\"$mfn,$size_\""
fi
if test "$iomem_str"
then
iomem_str="$iomem_str, $address_size_pair"
else
iomem_str=$address_size_pair
fi
done
done < "$xen_reg_txt"
if test "$iomem_str"
then
echo "$iomem_str"
fi
}
function update_domU_cfg()
{
local domU_dtb="$1"
local domU_cfg_file="$2"
local addr=$(fdtget $domU_dtb /passthrough \#address-cells)
local size=$(fdtget $domU_dtb /passthrough \#size-cells)
local iomem_str
local dtdev_str
local intr_str
local tmp_dts
local tmp_search_results
tmp_dts=`mktemp`
tmp_files+=($tmp_dts)
dtc -I dtb -O dts -o "$tmp_dts" "$domU_dtb"
tmp_search_results=`mktemp`
tmp_files+=($tmp_search_results)
#Let's get all the lines containing xen,path in a file
grep 'xen,reg' "$tmp_dts" > "$tmp_search_results"
#From "xen,reg", one can determine the "iomem" attribute of the
#cfg file.
iomem_str="$(get_iomem $tmp_search_results $addr $size)"
if test -z "$iomem_str"
then
echo "Error occurred while generating the iomem property"
return 1
else
iomem_str="iomem = [ "$iomem_str" ]"
echo "${iomem_str}" >> $domU_cfg_file
fi
#Let's get all the lines containing xen,path in a file
grep 'xen,path' $tmp_dts > $tmp_search_results
#From "xen,path", one can determine the "dtdev" attribute of the
#cfg file. This attribute is optional.
dtdev_str=$(get_iommu_prop $tmp_search_results $domU_dtb)
if test "$dtdev_str"
then
dtdev_str="dtdev = [ "$dtdev_str" ]"
echo "${dtdev_str}" >> $domU_cfg_file
fi
#Let's get all the lines containing interrupts in a file
grep 'interrupts' $tmp_dts > $tmp_search_results
#From "interrupts", one can determine the "irqs" attribute of the
#cfg file.
intr_str=$(get_interrupts $tmp_search_results)
if test "$intr_str"
then
intr_str="irqs = [ "$intr_str" ]"
echo "${intr_str}" >> $domU_cfg_file
fi
return 0
}
function generate_domU_configs()
{
local i=0
local j=$1
# $j + 1 - 1 as it is starting from 0
local n=$1
local dest
local dtb_name
mount /dev/mapper/diskimage$j $DESTDIR/part/disk$j
mkdir -p $DESTDIR/part/disk$j/etc/xen
add_rootfs 0
first_part=$retval
while test $i -lt $NUM_DOMUS
do
if test "${DOMU_NOBOOT[$i]}"
then
if test -z "${DOMU_PASSTHROUGH_DTB[$i]}" && test "${DOMU_PASSTHROUGH_PATHS[$i]}"
then
output_dir=`mktemp -d`
tmp_dirs+=($output_dir)
# Check if the below function returns error
# and unmount the partition
compile_merge_partial_dts $output_dir "$PASSTHROUGH_DTS_REPO"
if test $? -ne 0
then
umount $DESTDIR/part/disk$j
cleanup_disk_image_error
exit 1
fi
fi
dest="$DESTDIR/part/disk$j/etc/xen/domU$i.cfg"
echo "name=\"domU$i\"" >> $dest
echo "memory=${DOMU_MEM[$i]}" >> $dest
echo "vcpus=${DOMU_VCPUS[$i]}" >> $dest
echo "# mount $first_part /boot" >> $dest
echo "kernel=\"/boot/${DOMU_KERNEL[$i]}\"" >> $dest
if test "${DOMU_RAMDISK[$i]}"
then
echo "ramdisk=\"/boot/${DOMU_RAMDISK[$i]}\"" >> $dest
fi
if [ -z "${DOMU_CMD[$i]}" ]
then
DOMU_CMD[$i]="console=hvc0"
fi
if [[ ! ${DOMU_CMD[$i]} =~ root= ]]
then
if test -z "${DOMU_ROOTFS[$i]}"
then
DOMU_CMD[$i]="${DOMU_CMD[$i]} root=/dev/ram0" >> $dest
else
DOMU_CMD[$i]="${DOMU_CMD[$i]} root=/dev/xvda" >> $dest
fi
fi
echo "extra=\"${DOMU_CMD[$i]}\"" >> $dest
if test "${DOMU_ROOTFS[$i]}"
then
add_rootfs $n
echo "disk=[\"$retval,,xvda\"]" >> $dest
fi
if test "${DOMU_PASSTHROUGH_DTB[$i]}"
then
cp ${DOMU_PASSTHROUGH_DTB[$i]} $DESTDIR/part/disk$j/etc/xen/
dtb_name="$(basename ${DOMU_PASSTHROUGH_DTB[$i]})"
echo "device_tree=\"/etc/xen/$dtb_name\"" >> $dest
update_domU_cfg ${DOMU_PASSTHROUGH_DTB[$i]} $dest
if test $? -ne 0
then
umount $DESTDIR/part/disk$j
cleanup_disk_image_error
exit 1
fi
fi
fi
n=$(( $n + 1 ))
i=$(( $i + 1 ))
done
umount $DESTDIR/part/disk$j
}
function add_partition()
{
local rootfs="$1"
local aux_dir=$(mktemp -d)
cd "$aux_dir"
if [[ $rootfs = *.cpio ]]
then
cat "${UBOOT_OUT_ABS}/$rootfs" | cpio -id
elif [[ $rootfs = *.cpio.gz ]]
then
cat "${UBOOT_OUT_ABS}/$rootfs" | gunzip | cpio -id
elif [[ $rootfs = *.tar.gz ]]
then
tar -xf "${UBOOT_OUT_ABS}/$rootfs"
else
echo "Ignoring $rootfs: unsupported file format. Use cpio or cpio.gz or tar.gz."
exit 1
fi
_part_size=$(du -sb| awk '{print $1}')
cd -
rm -rf "$aux_dir"
_part_size=$(( $_part_size + $offset - 1))
_part_size=$(( $_part_size & ~($offset - 1) ))
# account for gzip compression
_part_size=$(( $_part_size * 2 ))
# add some slack
_part_size=$(( $SLACK*1024*1024 + $_part_size ))
_part_size=$(( $_part_size / 1024 / 1024 ))
echo PART size: "$_part_size"MB
prev=$(( $_npart - 1 ))
_sector_start[$_npart]=$(( ${_sector_end[$prev]} + 1 ))
_sector_end[$_npart]=$(( $_part_size * 1024 * 1024 / $_sector_size + ${_sector_start[$_npart]} - 1))
_tot_size=$(( $_tot_size + $_part_size ))
_npart=$(( $_npart + 1 ))
}
function align_size_power_of_two()
{
local _cnt_bits=0
local num=$1
local _num=$num
while [ $_num -ne 0 ]
do
_num=$((_num >> 1))
_cnt_bits=$((_cnt_bits + 1))
done
_num=$((1<<(_cnt_bits - 1)))
if [ $num -gt $_num ]
then
_num=$((1<<_cnt_bits))
fi
echo $_num
}
function write_rootfs()
{
local j=$1
local rootfs=$2
# create mount point and mount diskn
mkdir -p ${DESTDIR}/part/disk$j
mount /dev/mapper/diskimage$j $DESTDIR/part/disk$j
# Extract rootfs cpio archive into `.../part/vos_$j`
cd ${DESTDIR}/part/disk$j
if [[ $rootfs = *.cpio ]]
then
cat "${UBOOT_OUT_ABS}/$rootfs" | cpio -id
elif [[ $rootfs = *.cpio.gz ]]
then
cat "${UBOOT_OUT_ABS}/$rootfs" | gunzip | cpio -id
elif [[ $rootfs = *.tar.gz ]]
then
tar -xf "${UBOOT_OUT_ABS}/$rootfs"
else
echo "Ignoring $rootfs: unsupported file format. Use cpio or cpio.gz or tar.gz."
fi
cd -
# umount
sync
umount $DESTDIR/part/disk$j
}
function print_help
{
echo "usage:"
echo " $0 -c CONFIG_FILE -d UBOOT_DIRECTORY -t UBOOT_TYPE <-w WORK_DIRECTORY> <-s SLACK> <-a> -o IMG_FILE"
echo " $0 -h"
echo "where:"
echo " -c CONFIG_FILE - configuration file"
echo " -d UBOOT_DIRECTORY - root directory for the paths specified in CONFIG_FILE"
echo " -t UBOOT_TYPE can be:"
echo " sd - alias for \"mmc load 0:1\" for uboot load commands"
echo " scsi - alias for \"scsi load 0:1\" for uboot load commands"
echo " tftp - alias for \"tftpb\" for uboot load cammnds"
echo " < > - used for uboot load commands"
echo " -w WORK_DIRECTORY - work directory used when building the image"
echo " -s SLACK - free MB to add to each partition, default 128"
echo " -a specifies that the size of IMG_FILE has to be aligned to the nearest power of two"
echo " -o IMG_FILE - the output img file "
echo "Example:"
echo " $0 -c ../config -d ./build42 -w tmp -o disk.img"
}
# before anything else, check if we have root privilege
if ! [ $(id -u) = 0 ]
then
echo "This script needs root privilege to run, exiting."
exit 1
fi
while getopts ":w:d:c:t:s:o:ah" opt
do
case ${opt} in
t )
case $OPTARG in
scsi )
LOAD_CMD="load scsi 0:1"
;;
sd )
LOAD_CMD="load mmc 0:1"
;;
tftp )
LOAD_CMD="tftpb"
;;
* )
LOAD_CMD="$OPTARG"
;;
esac
;;
s )
SLACK=$OPTARG
if ! test $SLACK -gt 0
then
echo "Invalid SLACK parameter."
exit 1
fi
;;
w )
DESTDIR=$OPTARG
;;
d )
UBOOT_OUT=$OPTARG
;;
c )
CFG_FILE=$OPTARG
;;
o )
IMG=$OPTARG
;;
a )
ALIGN=1
;;
h )
print_help
exit 0
;;
* )
echo "Unknown option, see \"$0 -h\""
exit 1
;;
esac
done
shift $((OPTIND -1))
if [ -z "$UBOOT_OUT" ] || [ -z "$CFG_FILE" ] || [ -z "$IMG" ]
then
echo "Undefined arguments, see \"$0 -h\""
exit 1
fi
# if the user hasn't specified a working directing, create it
if [ -z "$DESTDIR" ]
then
DESTDIR="$(mktemp -d /tmp/imagebuilder.XXXXXX)"
DESTDIR_DEL=true
else
DESTDIR_DEL=false
fi
UBOOT_OUT_ABS="$(readlink -f $UBOOT_OUT)"
DESTDIR_ABS="$(readlink -f $DESTDIR)"
check_depends
source "$CFG_FILE"
SCRIPT_PATH=$(dirname "$0")
source "$SCRIPT_PATH/common"
i=0
while test $i -lt $NUM_DOMUS
do
if test -z "${DOMU_MEM[$i]}"
then
DOMU_MEM[$i]=512
fi
if test -z "${DOMU_VCPUS[$i]}"
then
DOMU_VCPUS[$i]=1
fi
i=$(( $i + 1 ))
done
offset=$((2*1024*1024))
_part1_size=`stat -L --printf="%s" $UBOOT_OUT/$DOM0_KERNEL`
_part1_size=$(( $_part1_size + `stat -L --printf="%s" $UBOOT_OUT/$DEVICE_TREE` ))
_part1_size=$(( $_part1_size + `stat -L --printf="%s" $UBOOT_OUT/$UBOOT_SCRIPT` ))
if test "${DOM0_RAMDISK}"
then
_part1_size=$(( $_part1_size + `stat -L --printf="%s" $UBOOT_OUT/${DOM0_RAMDISK}` ))
fi
if test "$NUM_DT_OVERLAY" && test "$NUM_DT_OVERLAY" -gt 0
then
i=0
while test $i -lt "$NUM_DT_OVERLAY"
do
_part1_size=$(( $_part1_size + `stat -L --printf="%s" $UBOOT_OUT/${DT_OVERLAY[$i]}` ))
i=$(( $i + 1 ))
done
fi
if test "${UBOOT_SOURCE}"
then
_part1_size=$(( $_part1_size + `stat -L --printf="%s" $UBOOT_OUT/$UBOOT_SOURCE` ))
fi
if test "${XEN}"
then
_part1_size=$(( $_part1_size + `stat -L --printf="%s" $UBOOT_OUT/$XEN` ))
fi
if test "$NUM_BOOT_AUX_FILE" && test "$NUM_BOOT_AUX_FILE" -gt 0
then
i=0
while test $i -lt "$NUM_BOOT_AUX_FILE"
do
if [ ! -f "$UBOOT_OUT/${BOOT_AUX_FILE[$i]}" ]
then
echo "Can not find ${BOOT_AUX_FILE[$i]}, exiting"
fi
_part1_size=$(( $_part1_size + `stat -L --printf="%s" $UBOOT_OUT/${BOOT_AUX_FILE[$i]}` ))
i=$(( $i + 1 ))
done
fi
if test "${BITSTREAM}"
then
_part1_size=$(( $_part1_size + `stat -L --printf="%s" $UBOOT_OUT/$BITSTREAM` ))
fi
i=0
while test $i -lt $NUM_DOMUS
do
_part1_size=$(( $_part1_size + `stat -L --printf="%s" $UBOOT_OUT/${DOMU_KERNEL[$i]}` ))
if test "${DOMU_RAMDISK[$i]}"
then
_part1_size=$(( $_part1_size + `stat -L --printf="%s" $UBOOT_OUT/${DOMU_RAMDISK[$i]}` ))
fi
if test "${DOMU_PASSTHROUGH_DTB[$i]}"
then
_part1_size=$(( $_part1_size + `stat -L --printf="%s" $UBOOT_OUT/${DOMU_PASSTHROUGH_DTB[$i]}` ))
fi
i=$(( $i + 1 ))
done
# add 16 MB slack
_part1_size=$(( $_part1_size + 16777216 ))
_part1_size=$(( $_part1_size + $offset - 1))
_part1_size=$(( $_part1_size & ~($offset - 1) ))
_part1_size=$(( $_part1_size / 1024 / 1024 ))
echo PART1 size: "$_part1_size"MB
_sector_size=512
# _sector_start[0] needs to be aligned to 2048
_sector_start[0]=2048
_sector_end[0]=$(( $_part1_size * 1024 * 1024 / $_sector_size + ${_sector_start[0]} - 1))
_tot_size=$(( $_part1_size ))
_npart=1
if test "$DOM0_ROOTFS"
then
add_partition "$DOM0_ROOTFS"
fi
i=0
while test $i -lt $NUM_DOMUS
do
if test "${DOMU_ROOTFS[$i]}"
then
add_partition "${DOMU_ROOTFS[$i]}"
fi
i=$(( $i + 1 ))
done
_tot_size=$(( $_tot_size + 16 ))
# NOTE: Increase the size of the image to the nearest power of two
if test "$ALIGN"
then
_tot_size=$(align_size_power_of_two $_tot_size)
fi
# NOTE: Increase vos_a to 256 to accomodate rootfs
# 528 MiB (256 + 256 + 16)
truncate $IMG -s "$_tot_size"M
if test "$GPT"
then
# create GPT partition table
sgdisk -og $IMG
i=0
j=1
while test $i -lt $_npart
do
sgdisk -n $j:${_sector_start[$i]}:${_sector_end[$i]} -c $j:"Linux""$j" -t $j:8300 $IMG
i=$(( $i + 1 ))
j=$(( $j + 1 ))
done
else
tmp_dos=`mktemp`
tmp_files+=($tmp_dos)
i=0
parted -s $IMG mklabel "msdos"
parted $IMG mkpart primary fat32 "${_sector_start[$i]}"s "${_sector_end[$i]}"s
parted $IMG set 1 boot on
i=1
j=2
while test $i -lt $_npart
do
parted $IMG mkpart logical ext4 "${_sector_start[$i]}"s "${_sector_end[$i]}"s
i=$(( $i + 1 ))
j=$(( $j + 1 ))
done
fi
# find the first available loop device
_loop_dev=$(losetup -f)
# attach loopback device to $IMG
losetup $_loop_dev $IMG
_disksize=$(blockdev --getsize $_loop_dev)
dmsetup create diskimage --table "0 $_disksize linear $_loop_dev 0"
# ensure that /dev/mapper/diskimage exists
while [ ! -b /dev/mapper/diskimage ]
do
sleep 2
done
kpartx -a /dev/mapper/diskimage
# ensure that /dev/mapperdiskimage1 exists
while [ ! -b /dev/mapper/diskimage1 ]
do
sleep 2
done
mkfs.vfat -F 32 -n boot /dev/mapper/diskimage1
i=1
j=2
while test $i -lt $_npart
do
mkfs.ext4 -L vos_$j -F /dev/mapper/diskimage$j
i=$(( $i + 1 ))
j=$(( $j + 1 ))
done
# create mount point and mount disk1
mkdir -p ${DESTDIR}/part/disk1
mount /dev/mapper/diskimage1 $DESTDIR/part/disk1
# only copy over files that were counted for the partition size
cd "$UBOOT_OUT"
cp --parents "$DOM0_KERNEL" "${DESTDIR_ABS}/part/disk1/"
cp --parents "$DEVICE_TREE" "${DESTDIR_ABS}/part/disk1/"
cp --parents "$UBOOT_SCRIPT" "${DESTDIR_ABS}/part/disk1/"
if test "${DOM0_RAMDISK}"
then
cp --parents "$DOM0_RAMDISK" "${DESTDIR_ABS}/part/disk1/"
fi
if test "$NUM_DT_OVERLAY" && test "$NUM_DT_OVERLAY" -gt 0
then
i=0
while test $i -lt "$NUM_DT_OVERLAY"
do
cp --parents "${DT_OVERLAY[$i]}" "${DESTDIR_ABS}/part/disk1/"
i=$(( $i + 1 ))
done
fi
if test "${UBOOT_SOURCE}"
then
cp --parents "$UBOOT_SOURCE" "${DESTDIR_ABS}/part/disk1/"
fi
if test "${XEN}"
then
cp --parents "$XEN" "${DESTDIR_ABS}/part/disk1/"
fi
if test "$NUM_BOOT_AUX_FILE" && test "$NUM_BOOT_AUX_FILE" -gt 0
then
i=0
while test $i -lt "$NUM_BOOT_AUX_FILE"
do
cp --parents "${BOOT_AUX_FILE[$i]}" "${DESTDIR_ABS}/part/disk1/"
i=$(( $i + 1 ))
done
fi
if test "${BITSTREAM}"
then
cp --parents "$BITSTREAM" "${DESTDIR_ABS}/part/disk1/"
fi
i=0
while test $i -lt $NUM_DOMUS
do
cp --parents "${DOMU_KERNEL[$i]}" "${DESTDIR_ABS}/part/disk1/"
if test "${DOMU_RAMDISK[$i]}"
then
cp --parents "${DOMU_RAMDISK[$i]}" "${DESTDIR_ABS}/part/disk1/"
fi
if test "${DOMU_PASSTHROUGH_DTB[$i]}"
then
cp --parents "${DOMU_PASSTHROUGH_DTB[$i]}" "${DESTDIR_ABS}/part/disk1/"
fi
i=$(( $i + 1 ))
done
cd -
# unmount
sync
# This fails for some reason. It could work now because we are not using qemu-user
# fstrim $DESTDIR/part/disk1
umount $DESTDIR/part/disk1
j=2
if test "$DOM0_ROOTFS"
then
write_rootfs 2 "$DOM0_ROOTFS"
generate_domU_configs 2
j=$(( $j + 1 ))
fi
i=0
while test $i -lt $NUM_DOMUS
do
if test "${DOMU_ROOTFS[$i]}"
then
write_rootfs $j "${DOMU_ROOTFS[$i]}"
j=$(( $j + 1 ))
fi
i=$(( $i + 1 ))
done
cleanup_disk_image
|