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Boot image tools for Samsung Galaxy Tab 4 7.0
This project forked from jedld/degas-mkbootimg
Boot image tools for Samsung Galaxy Tab 4 7.0
Boot image tools for Samsung Galaxy Tab 4 7.0, Degas board Marvell PXA1088 Unpack boot.img: $ mkdir boot $ tools/degas-unpackbootimg -i boot.img -o boot $ mkdir -p boot/ramdisk $ cd boot/ramdisk/ $ gunzip -c ../boot.img-ramdisk.gz | cpio -i $ cd ../ Repack boot.img: $ ../tools/mkbootfs ramdisk | ../tools/minigzip > boot.img-ramdisk-new.gz $ ../tools/degas-mkbootimg --kernel boot.img-zImage \ --ramdisk boot.img-ramdisk-new.gz --dt boot.img-dt \ --signature boot.img-signature -o ../boot-new.img $ cd ../ I'm not sure about boot image signature, you can try without --signature option. By comparing boot image to recovery image, I found a different signature and of course a different ramdisk but the rest is the same, including kernel and device tree table. To confirm this tools reliability, you can unpack and then repack original boot/recovery image without modification. You will got two identical image, check it using a diff tool. Generate kernel spesific device tree table: $ tools/degas-dtbTool -o boot.img-dt-new -p kernel/scripts/dtc/ kernel/arch/arm/boot/dts/ Repack a new recovery as a flashable Odin: $ tar -H ustar -c recovery-testkey.img > recovery-testkey.img.tar $ md5sum -t recovery-testkey.img.tar >> recovery-testkey.img.tar $ mv recovery-testkey.img.tar recovery-testkey.img.tar.md5 DISCLAIMER: USE THIS TOOLS AT YOUR OWN RISK, I DON'T OWN TAB 4 7.0 FOR TESTING Ketut P. Kumajaya, June 2014
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