rich1.0phorkiehttps://p.cweiske.de/Razer Forge TV: Scripts to unpack and re-pack a boot.img fileChristian Weiske86400900900<!-- embedding all files of https://p.cweiske.de/853 -->
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<p>See <a class="reference external" href="https://cweiske.de/tagebuch/forge-bootimg.htm">https://cweiske.de/tagebuch/forge-bootimg.htm</a></p>
<p>In comparison to other Android devices, <tt class="docutils literal">cpio</tt> cannot be used to pack the files.</p>
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</pre></td><td class="de1"><pre class="de1"><span class="kw2">mkdir</span> m-<span class="nu0">144</span>
<span class="kw3">cd</span> m-<span class="nu0">144</span>
<span class="kw2">unzip</span> ..<span class="sy0">/</span>image-forge-m-<span class="nu0">144</span>.zip
..<span class="sy0">/</span>unpack-boot.img.sh
 
<span class="co0"># modify default.prop</span>
..<span class="sy0">/</span>repack-boot.img.sh
 
<span class="co0"># disconnect HDMI cable from Forge TV and connect power to get into fastboot mode</span>
fastboot flash boot my-boot.img
<span class="co0"># connect HDMI cable to Forge TV</span>
fastboot reboot</pre></td></tr></tbody></table></div>
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</pre></td><td class="de1"><pre class="de1"><span class="co0">#!/bin/sh</span>
<span class="co0"># Generate a boot.img for the Razer Forge TV from an unpacked one</span>
<span class="kw1">set</span> <span class="re5">-e</span>
 
<span class="re2">bootimgfile</span>=<span class="co1">${1:-my-boot.img}</span>
<span class="re2">outdir</span>=<span class="co1">${2:-mybootimg}</span>
 
<span class="kw3">cd</span> <span class="st0">"<span class="es2">$outdir</span>/ramdisk"</span>
<span class="kw2">find</span> \
    <span class="sy0">|</span> <span class="kw2">grep</span> <span class="re5">-v</span> <span class="st_h">'^.$'</span>\
    <span class="sy0">|</span> <span class="kw2">sort</span>\
    <span class="sy0">|</span> pax <span class="re5">-w</span> <span class="re5">-x</span> sv4cpio <span class="re5">-M</span> mtime <span class="re5">-M</span> uidgid <span class="re5">-s</span> <span class="st_h">'#^./##'</span> <span class="re5">-d</span> <span class="re5">-f</span> ..<span class="sy0">/</span>myinitrd.cpio
 
<span class="kw3">cd</span> ..
<span class="kw2">cat</span> myinitrd.cpio <span class="sy0">|</span> <span class="kw2">gzip</span> <span class="sy0">></span> myinitrd.img
 
<span class="kw3">cd</span> ..
 
<span class="kw3">echo</span> <span class="st0">"Generating new boot image: <span class="es2">$bootimgfile</span>"</span>
..<span class="sy0">/</span>mkbootimg.py\
    <span class="re5">--kernel</span> <span class="st0">"<span class="es2">$outdir</span>/zImage"</span>\
    <span class="re5">--ramdisk</span> <span class="st0">"<span class="es2">$outdir</span>/myinitrd.img"</span>\
    <span class="re5">--cmdline</span> <span class="st0">"console=ttyHSL0,115200,n8 androidboot.console=ttyHSL0 androidboot.hardware=qcom user_debug=31 msm_rtb.filter=0x3b7 dwc3_msm.cpu_to_affin=1"</span>\
    <span class="re5">--pagesize</span> 0x1000\
    --kernel_offset 0x8000\
    --ramdisk_offset 0x1000000\
    --tags_offset 0x100\
    <span class="re5">-o</span> <span class="st0">"<span class="es2">$bootimgfile</span>"</span>
 </pre></td></tr></tbody></table></div>
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</pre></td><td class="de1"><pre class="de1"><span class="co0">#!/bin/sh</span>
<span class="co0"># Unpack a Razer Forge TV boot.img file so we can modify default.prop</span>
<span class="kw1">set</span> <span class="re5">-e</span>
 
<span class="re2">bootimgfile</span>=<span class="co1">${1:-boot.img}</span>
<span class="re2">outdir</span>=<span class="co1">${2:-mybootimg}</span>
 
<span class="kw1">if</span> <span class="br0">[</span> <span class="re5">-d</span> <span class="st0">"<span class="es2">$outdir</span>"</span> <span class="br0">]</span>; <span class="kw1">then</span>
    <span class="kw2">rm</span> <span class="re5">-rf</span> <span class="st0">"<span class="es2">$outdir</span>"</span>
<span class="kw1">fi</span>
 
<span class="kw3">echo</span> <span class="st0">"Unpacking <span class="es2">$bootimgfile</span> into <span class="es2">$outdir</span>"</span>
<span class="kw2">mkdir</span> <span class="st0">"<span class="es2">$outdir</span>"</span>
<span class="kw3">cd</span> <span class="st0">"<span class="es2">$outdir</span>"</span>
abootimg <span class="re5">-x</span> <span class="st0">"../<span class="es2">$bootimgfile</span>"</span>
 
<span class="kw3">echo</span> <span class="st0">"Unpacking initrd.img into ramdisk/"</span>
abootimg-unpack-initrd initrd.img ramdisk
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