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| author | Yuval Adam <_@yuv.al> | 2017-08-07 22:05:24 +0300 |
|---|---|---|
| committer | Yuval Adam <_@yuv.al> | 2017-08-07 22:05:24 +0300 |
| commit | 0c1370b5f1b3e8abc934ea913a4377f05f32e4a9 (patch) | |
| tree | 64822a223696279b0869417a59a8112a7de5ad66 /docs/wiki/Xperia-E-Dual | |
| parent | 91d00222d692b80a8eb22f0f193479545846ac89 (diff) | |
Initial static build
Diffstat (limited to 'docs/wiki/Xperia-E-Dual')
| -rw-r--r-- | docs/wiki/Xperia-E-Dual/index.html | 82 |
1 files changed, 82 insertions, 0 deletions
diff --git a/docs/wiki/Xperia-E-Dual/index.html b/docs/wiki/Xperia-E-Dual/index.html new file mode 100644 index 0000000..44b7521 --- /dev/null +++ b/docs/wiki/Xperia-E-Dual/index.html @@ -0,0 +1,82 @@ +<!DOCTYPE html> +<html lang="en"> + <head> + <meta charset="utf-8"> + + <title>postmarketOS</title> + + <meta name="description" content="Aiming for a 10 year life-cycle for smartphones"> + <meta name="keywords" content="postmarketOS"> + + <meta http-equiv="X-UA-Compatible" content="IE=edge"> + <meta name="viewport" content="width=device-width, initial-scale=1"> + <meta name="robots" content="all"> + + <link rel="canonical" href="https://postmarketos.org/wiki/Xperia-E-Dual/"> + + <link href="/static/css/tachyons.min.css" rel="stylesheet"> + <link href="/static/css/main.css" rel="stylesheet"> + </head> + + <body> + <div class="mw7 center"> + <div class="cf ph2-ns"> + <a class="title" href="/"> + <h1 class="f2 lh-title"> + <img src="/static/img/recycle.png"></img> + <span>postmarketOS</span> + </h1> + </a> + <div class="menu"> + <ul> + <li><a href="/">Home</a></li> + <li><a href="/wiki/">Wiki</a></li> + <li><a href="/blog/">Blog</a></li> + </ul> + </div> + +<h1>Xperia E Dual</h1> +<h3>Contributors</h3> +<ul> +<li>Nicknack</li> +</ul> +<h3>What works</h3> +<ul> +<li>Compiling the kernel </li> +</ul> +<h3>What does not work</h3> +<ul> +<li>Flashing, there are problems with Sony's boot image format</li> +</ul> +<p>The built kernel boots with a black screen and no further sign of acitivity. Fastboot flashes without errors but flash offsets are probably wrong. Only known working kernels have a different ELF file format.</p> +<h3>Boot image format</h3> +<p>There is one tool avaiable for unpacking Sony's ELF boot format into the normal ANDROID format: +<a href="https://github.com/Tasssadar/libbootimg">libbootimg</a></p> +<p>Sadly, even unpacking and repacking a working prebuilt kernel doesn't seem to work.</p> +<p>I had more luck with mkelf.py script from Sony. You can loosely follow the tutorial <a href="https://www.netzgewitter.com/2013/10/compiling-android-linux-kernel-for-xperia/">here</a>. This time unpacking a working kernel elf image and repacking it with mkefl.py worked. Needed to change only a few bits with vbindiff. Now we only need to find a working set of offsets and image parts to do the same with a custom kernel!</p> +<p>Here are some links describing the problem with Sony's boot format: +<em> https://github.com/chenxiaolong/DualBootPatcher/issues/181 +</em> https://github.com/Tasssadar/libbootimg/pull/2/commits/8986984b5d618be0b753e55d6b9d9d1744bc4094 +* https://books.google.de/books?id=2qo6AwAAQBAJ&pg=PA313&lpg=PA313&dq=sony+boot.img+format&source=bl&ots=0mtMMle9eZ&sig=adCVtfarXK9cticvd5qqYA6g39Y&hl=de&sa=X&ved=0ahUKEwjgp5mfx5XVAhUHWRQKHWSeDZcQ6AEIQzAB#v=onepage&q&f=false</p> +<h3>Next possible steps</h3> +<ul> +<li>Try booting pmOS with a prebuilt kernel.</li> +<li>Try repacking built kernel into ELF format</li> +<li>UART debugging?</li> +</ul> +<h3>Links</h3> +<ul> +<li> +<p><a href="https://github.com/Nicknack/pmOs_device_sony_nanhu">Device package</a></p> +</li> +<li> +<p><a href="https://github.com/Klozz/android_kernel_sony_msm7x27a-nanhu">Kernel Source</a></p> +</li> +<li><a href="https://github.com/LineageOS/android_kernel_sony_msm7x27a/">Kernel Source LineageOS</a></li> +<li><a href="https://github.com/der-koenig/android_kernel_sony_msm7x27a/tree/c5738aa4dbfa5f4b36331f07396e5eeaa12c9782">Kernel Source FreeXperia</a></li> +</ul> + + </div> + </div> + </body> +</html>
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