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week12.html
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<!DOCTYPE html>
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<title>Port Jailhouse to agl </title>
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<h1><a href="https://github.com/d80ep08th/Port-Jailhouse-to-AGL">Port Jailhouse to AGL</a></h1>
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Week12
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<!-- <div class="article-info">Posted on <time datetime="2020-06-26">26 June</time></div>
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<p>
</br>Week 12 -
</br>
</br>Further analysis of runqemu and tweaking around with the kernel memmap option ( memmap=82M\$0x3a000000 )</br> which was taken from start-qemu.sh script in jailhouse-images made me realise that by increasing the value from 82M to 120M made it boot fast and successfully.
</br>memmap : Enable setting of an exact E820 memory map, as specified by the user. Here the format is given as[ nn\$ss ] ,</br> hence region of memory to be used is from ss to ss+nn.
</br>E820: e820 is shorthand for the facility by which the BIOS of x86-based computer systems reports the memory map to the</br> operating system or boot loader.
</br>Once the qemux86-64 was booted , system configuration for the x86 system can be created using
</br>jailhouse config create qemu-agl.c
</br>qemu-agl.c needs to be placed in the configs/x86/ directory of jailhouse.
</br>The build system will pick up every .c file from there and generate a corresponding .cell file.
</br>Then enable jailhouse using
</br>jailhouse enable /usr/share/jailhouse/cells/qemu-agl.c
</br>this starts the jailhouse hypervisor in qemux86-64.
</br>I have pushed a commit for review , hoping to get it merged soon
</br>-Parth Dode.
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