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‎gadebli‎

Lines changed: 194 additions & 47 deletions
Original file line numberDiff line numberDiff line change
@@ -205,9 +205,9 @@ if $(echo $stages | grep -q ck); then
205205
rm -fr ${basedir}/kernel_pkg
206206
echo remove old kernel_pkg folder
207207
fi
208-
if [ -f ${basedir}/kernel.bin ]; then
209-
rm -f ${basedir}/kernel.bin
210-
echo remove previous builded kernel.bin
208+
if [ -f ${basedir}/kernel_image ]; then
209+
rm -f ${basedir}/kernel_image
210+
echo remove previous builded kernel_image
211211
fi
212212
if [ -f ${basedir}/zImage ]; then
213213
rm -fr ${basedir}/zImage
@@ -254,12 +254,12 @@ forcing some optimization flags
254254
mkdir ${basedir}/kernel_pkg
255255
mkdir ${basedir}/kernel_pkg/boot
256256
mkdir ${basedir}/kernel_pkg/boot/dtbs
257-
mkdir ${basedir}/kernel_pkg/boot/re-signing
257+
mkdir ${basedir}/kernel_pkg/boot/reflash
258258
mkdir ${basedir}/kernel_pkg/usr
259259
mkdir ${basedir}/kernel_pkg/DEBIAN
260260

261261
make modules_install INSTALL_MOD_PATH=${basedir}/kernel_pkg
262-
make headers_install INSTALL_HDR_PATH=${basedir}/kernel_pkg/usr
262+
# make headers_install INSTALL_HDR_PATH=${basedir}/kernel_pkg/usr
263263
cp -f arch/arm/boot/dts/exynos5250-snow.dtb ${basedir}/kernel_pkg/boot/dtbs/exynos5250-snow.dtb
264264
cp -f arch/arm/boot/dts/exynos5250-snow-rev5.dtb ${basedir}/kernel_pkg/boot/dtbs/exynos5250-snow-rev5.dtb
265265
cp -f arch/arm/boot/zImage ${basedir}/kernel_pkg/boot/zImage
@@ -273,10 +273,10 @@ forcing some optimization flags
273273
ln -s /usr/src/kernel source
274274

275275
cd ${basedir}/kernel_pkg/boot
276-
curl -o re-signing/kernel.keyblock https://raw.githubusercontent.com/archlinuxarm/PKGBUILDs/master/core/linux-armv7/kernel.keyblock
277-
curl -o re-signing/kernel_data_key.vbprivk https://raw.githubusercontent.com/archlinuxarm/PKGBUILDs/master/core/linux-armv7/kernel_data_key.vbprivk
276+
curl -o reflash/kernel.keyblock https://raw.githubusercontent.com/archlinuxarm/PKGBUILDs/master/core/linux-armv7/kernel.keyblock
277+
curl -o reflash/kernel_data_key.vbprivk https://raw.githubusercontent.com/archlinuxarm/PKGBUILDs/master/core/linux-armv7/kernel_data_key.vbprivk
278278

279-
cat << __EOF__ > re-signing/kernel-exynos.its
279+
cat << __EOF__ > reflash/kernel-exynos.its
280280
/dts-v1/;
281281
282282
/ {
@@ -328,43 +328,139 @@ cat << __EOF__ > re-signing/kernel-exynos.its
328328
329329
__EOF__
330330

331-
echo 'console=tty0 root=PARTUUID=%U/PARTNROFF=1 zswap.compressor=zstd zswap.max_pool_percent=40 noinitrd rootwait' > re-signing/cmdline
332-
dd if=/dev/zero of=re-signing/bootloader.bin bs=512 count=1
331+
echo 'console=tty0 root=PARTUUID=%U/PARTNROFF=1 zswap.compressor=zstd zswap.max_pool_percent=40 noinitrd rootwait quiet loglevel=0 ' > reflash/cmdline
332+
dd if=/dev/zero of=reflash/bootloader.bin bs=512 count=1
333333

334334
echo '#!/bin/bash
335335
echo ""
336336
echo re-signing kernel image
337-
if [ -f kernel.bin ]; then
338-
echo backing up existed image
339-
mv -f kernel.bin kernel.bin.bak;
340-
echo you may restore it from kernel.bin.bak
341-
fi
342337
echo ""
343338
sleep 5
344339
345-
mkimage -D "-I dts -O dtb -p 2048" -f re-signing/kernel-exynos.its /tmp/exynos-kernel
340+
mkimage -D "-I dts -O dtb -p 2048" -f reflash/kernel-exynos.its /tmp/exynos-kernel
346341
347-
vbutil_kernel --arch arm --pack kernel.bin --keyblock re-signing/kernel.keyblock --signprivate re-signing/kernel_data_key.vbprivk --version 1 --config re-signing/cmdline --bootloader re-signing/bootloader.bin --vmlinuz /tmp/exynos-kernel
348-
' > krn_re-signing
349-
chmod +x krn_re-signing
350-
./krn_re-signing
342+
vbutil_kernel --arch arm --pack kernel_image --keyblock reflash/kernel.keyblock --signprivate reflash/kernel_data_key.vbprivk --version 1 --config reflash/cmdline --bootloader reflash/bootloader.bin --vmlinuz /tmp/exynos-kernel
351343
352-
cp -f kernel.bin ${basedir}/kernel.bin
344+
rm -f reflash/kernel-exynos.its reflash/cmdline reflash/bootloader.bin
345+
' > reflash/kernel_install
346+
chmod +x reflash/kernel_install
347+
reflash/kernel_install
353348

354-
echo 'Package: linux-kernel-xe303c12
355-
Version: '"$kernver"'
356-
Architecture: '"$architecture"'
357-
Maintainer: Kernel build script maintainer https://git[la,hu]b.com/quarkscript
358-
Description: Custom '"$architecture"' linux kernel, builded for XE303C12 Chromebook
359-
Depends: '"$depends"'
360-
Replaces: '"$replaces"'
361-
Provides: '"$provides"'
362-
Suggests: '"$suggests"'
363-
'> ${basedir}/kernel_pkg/DEBIAN/control
349+
echo '#!/bin/bash
350+
if [ "$(whoami)" == "root" ]; then
364351
365-
echo '#!/bin/bash
366-
krnprts=""
367-
krnprtc=0
352+
# resign kernel
353+
354+
echo "
355+
You may re-sign kernel and customize kernel boot string.
356+
Regular user do not need it, so it is safe to press n.
357+
Do you want to do this? (y/N)"
358+
read -r tmpvar1
359+
if $(echo $tmpvar1 | grep -q [Yy]); then
360+
bootcmd='"'console=tty0 root=PARTUUID=%U/PARTNROFF=1 rootwait rw noinitrd zswap.compressor=zstd zswap.max_pool_percent=40 audit=0'"'
361+
echo "
362+
default bootcmd is
363+
364+
$bootcmd
365+
366+
Be very careful, without root=PARTUUID=%U/PARTNROFF=1
367+
or something like that your could get a bootfail.
368+
Now you may specify a new one or just press Enter
369+
"
370+
tmpvar2=""
371+
read -r tmpvar2
372+
if [ ! -z "$tmpvar2" ]; then
373+
bootcmd="$tmpvar2"
374+
else
375+
echo " Will be used default boot string
376+
"
377+
fi
378+
379+
# make kernel.its
380+
echo '"'"'
381+
/dts-v1/;
382+
/ {
383+
description = "Chrome OS kernel image with one or more FDT blobs";
384+
#address-cells = <1>;
385+
images {
386+
kernel@1 {
387+
description = "kernel";
388+
data = /incbin/("/boot/zImage");
389+
type = "kernel_noload";
390+
arch = "arm";
391+
os = "linux";
392+
compression = "none";
393+
load = <0>;
394+
entry = <0>;
395+
};
396+
fdt@1 {
397+
description = "exynos5250-snow.dtb";
398+
data = /incbin/("/boot/dtbs/exynos5250-snow.dtb");
399+
type = "flat_dt";
400+
arch = "arm";
401+
compression = "none";
402+
hash@1 {
403+
algo = "sha1";
404+
};
405+
};
406+
fdt@2 {
407+
description = "exynos5250-snow-rev5.dtb";
408+
data = /incbin/("/boot/dtbs/exynos5250-snow-rev5.dtb");
409+
type = "flat_dt";
410+
arch = "arm";
411+
compression = "none";
412+
hash@1 {
413+
algo = "sha1";
414+
};
415+
};
416+
};
417+
configurations {
418+
default = "conf@1";
419+
conf@1 {
420+
kernel = "kernel@1";
421+
fdt = "fdt@1";
422+
};
423+
conf@2 {
424+
kernel = "kernel@1";
425+
fdt = "fdt@2";
426+
};
427+
};
428+
};
429+
'"'"'> /tmp/kernel.its
430+
431+
#
432+
mkimage -D "-I dts -O dtb -p 2048" -f /tmp/kernel.its /tmp/vmlinux.uimg
433+
434+
# make empty bootloader
435+
dd if=/dev/zero of=/tmp/bootloader.bin bs=512 count=1
436+
437+
echo $bootcmd > /tmp/cmdline
438+
439+
if [ -f /boot/kernel_image ]; then
440+
echo backing up existed image
441+
mv -f /boot/kernel_image /boot/backup_kernel_image
442+
echo you may restore it from backup_kernel_image
443+
fi
444+
445+
# final step
446+
vbutil_kernel \
447+
--pack /boot/kernel_image \
448+
--version 1 \
449+
--vmlinuz /tmp/vmlinux.uimg \
450+
--arch arm \
451+
--keyblock /boot/reflash/kernel.keyblock \
452+
--signprivate /boot/reflash/kernel_data_key.vbprivk \
453+
--config /tmp/cmdline \
454+
--bootloader /tmp/bootloader.bin
455+
456+
# clear used files
457+
rm -f /tmp/vmlinux.uimg /tmp/cmdline /tmp/bootloader.bin
458+
fi
459+
460+
# flash kernel
461+
462+
krnprts=""
463+
krnprtc=0
368464
for i in $(ls /dev | grep -x --regexp="mmcblk[0-9]" --regexp="sd[a-z]" --regexp="vd[a-z]"); do
369465
if $(cgpt show /dev/$i | grep Label | grep -q [Kk]ernel); then
370466
if $(echo $i | grep -q mmcblk); then
@@ -379,42 +475,93 @@ krnprtc=0
379475
echo ""
380476
if [ "$krnprtc" -eq 0 ]; then
381477
echo "Chrome OS kernel partition did not detected."
382-
echo "You must reflash kernel manually."
478+
echo " You may need to flash kernel_image manually."
383479
elif [ "$krnprtc" -eq 1 ]; then
384-
echo "Finded ChromeOs kernel partition - $krnprts"
385-
echo "Do you want to flash a new kernel to it? (y/n)"
480+
if $(echo $krnprts | grep -q mmcblk0); then
481+
pr_part_type="# usually internal MMC"
482+
elif $(echo $krnprts | grep -q mmcblk1); then
483+
pr_part_type="# usually SD-card"
484+
elif $(echo $krnprts | grep -q sd); then
485+
pr_part_type="# usually USB-disk"
486+
else
487+
pr_part_type="# unknown disk type"
488+
fi
489+
echo "Finded ChromeOs kernel partition - $krnprts $pr_part_type"
490+
echo " Do you want to flash a new kernel to it? (y/N)"
386491
read -r shouldwe
387492
if [[ $shouldwe =~ ^([yY][eE][sS]|[yY])$ ]]; then
388-
dd if=/boot/kernel.bin of=/dev/$krnprts
493+
echo make kernel partition backup to /boot/krn_pt_bk.gz
494+
dd if=/dev/$krnprts | gzip --best > /boot/krn_pt_bk.gz
495+
echo flash kernel
496+
dd if=/boot/kernel_image of=/dev/$krnprts
389497
sync
390498
else
391499
echo "You may flash kernel manually like:"
392-
echo "dd if=/boot/kernel.bin of=/dev/$krnprts"
500+
echo "dd if=/boot/kernel_image of=/dev/$krnprts"
393501
fi
394502
else
395503
echo "Finded more than one Chrome OS kernel partition."
396-
echo "You need to select next action
397-
"
398-
echo "0 for do not flash"
504+
echo "Current root is /dev/$(mount | grep " / " | sed "s/.*dev\///g" | sed "s/ .*//g")"
505+
echo "You need to specify next action"
506+
echo " 0 for do not flash"
399507
numpart=0
400508
for i in $krnprts; do
401509
numpart=$(($numpart+1))
402-
echo "$numpart for flash $i partition"
510+
if $(echo $i | grep -q mmcblk0); then
511+
pr_part_type="# usually internal MMC"
512+
elif $(echo $i | grep -q mmcblk1); then
513+
pr_part_type="# usually SD-card"
514+
elif $(echo $i | grep -q sd); then
515+
pr_part_type="# usually USB-disk"
516+
else
517+
pr_part_type="# unknown disk type"
518+
fi
519+
echo " $numpart for flash $i partition $pr_part_type"
403520
done
404-
echo ""
521+
#echo ""
405522
echo "Wrong partition may lead to bootfail. Be aware!"
406523
read -r shouldwe
407524
if [ $shouldwe -gt 0 ]&&[ $shouldwe -le $numpart ]; then
408525
numpart=0
409526
for i in $krnprts; do
410527
numpart=$(($numpart+1))
411528
if [ $numpart -eq $shouldwe ]; then
412-
dd if=/boot/kernel.bin of=/dev/$i
529+
echo make kernel partition backup to /boot/krn_pt_bk.gz
530+
dd if=/dev/$i | gzip --best > /boot/krn_pt_bk.gz
531+
echo flash kernel
532+
dd if=/boot/kernel_image of=/dev/$i
413533
sync
414534
fi
415535
done
536+
else
537+
echo " Ok, you may flash kernel manually"
416538
fi
417539
fi
540+
else
541+
echo superuser rights required
542+
fi
543+
' > reflash/kernel_install
544+
545+
cp -f kernel_image ${basedir}/kernel_image
546+
547+
echo 'Package: linux-kernel-xe303c12
548+
Version: '"$kernver"'
549+
Architecture: '"$architecture"'
550+
Maintainer: Kernel build script maintainer https://git[la,hu]b.com/quarkscript
551+
Description: Custom '"$architecture"' linux kernel, builded for XE303C12 Chromebook
552+
Depends: '"$depends"'
553+
Replaces: '"$replaces"'
554+
Provides: '"$provides"'
555+
Suggests: '"$suggests"'
556+
'> ${basedir}/kernel_pkg/DEBIAN/control
557+
558+
echo '#!/bin/bash
559+
/boot/reflash/kernel_install
560+
561+
echo "
562+
To repeat this operations run:
563+
sudo /boot/reflash/kernel_install
564+
"
418565
'> ${basedir}/kernel_pkg/DEBIAN/postinst
419566
chmod 0755 ${basedir}/kernel_pkg/DEBIAN/postinst
420567
cd ${basedir}/
@@ -834,8 +981,8 @@ EOF
834981
835982
# Unmount partitions
836983
umount $rootp
837-
if [ -f "${basedir}/kernel.bin" ]; then
838-
dd if=${basedir}/kernel.bin of=$bootp
984+
if [ -f "${basedir}/kernel_image" ]; then
985+
dd if=${basedir}/kernel_image of=$bootp
839986
else
840987
echo '
841988
Kernel flash image not found. Linux disk image may be unbootable

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