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@@ -30,6 +30,49 @@
<hr/>
+ <h1 id="ich9gen">ICH9 gen utility</h1>
+
+ <p>
+ It is no longer necessary to use <a href="#ich9deblob">ich9deblob</a> to generate
+ a deblobbed descriptor+gme image for the X200. ich9gen is a small utility within
+ ich9deblob that can generate them from scratch, without a factory.bin dump.
+ </p>
+
+ <p>
+ Run:<br/>
+ $ <b>./ich9gen</b>
+ </p>
+
+ <p>
+ Two new files will be created:
+ </p>
+ <ul>
+ <li>ich9fdgbe_4m.bin: this is for X200 laptops with the 4MB flash chip.</li>
+ <li>ich9fdgbe_8m.bin: this is for X200 laptops with the 8MB flash chip.</li>
+ </ul>
+
+ <p>
+ ich9gen executables can be found under ./ich9gen/ statically compiled in
+ libreboot_bin. If you are using src or git, build ich9gen from source with:<br/>
+ $ <b>./builddeps-ich9deblob</b><br/>
+ The executable will appear under resources/utilities/ich9deblob/
+ </p>
+
+ <p>
+ Assuming that your X200 libreboot image is named <b>libreboot.rom</b>, copy
+ the file to where <b>libreboot.rom</b> is located
+ and then run, for instance:<br/>
+ $ <b>dd if=ich9fdgbe_8m.bin of=libreboot.rom bs=1 count=12k conv=notrunc</b><br/>
+ or:<br/>
+ $ <b>dd if=ich9fdgbe_4m.bin of=libreboot.rom bs=1 count=12k conv=notrunc</b>
+ </p>
+
+ <p>
+ Your X200 libreboot.rom image is now ready to be flashed on the machine.
+ </p>
+
+<hr/>
+
<h1 id="ich9deblob">ICH9 deblob utility</h1>
<p>
@@ -67,6 +110,22 @@
</p>
<p>
+ The utility will also generate 4 additional files:
+ </p>
+ <ul>
+ <li>mkdescriptor.c</li>
+ <li>mkdescriptor.h</li>
+ <li>mkgbe.c</li>
+ <li>mkgbe.h</li>
+ </ul>
+ <p>
+ These are C source files that can re-generate the very same Gbe and Descriptor structs
+ (from ich9deblob/ich9gen). To use these, place them in src/ich9gen/ in ich9deblob, then re-build.
+ The newly built <b>ich9gen</b> executable will be able to re-create the very same 12KiB file from scratch,
+ based on the C structs, this time <b>without</b> the need for a factory.rom dump!
+ </p>
+
+ <p>
You should now have a <b>libreboot.rom</b> image containing the correct 4K descriptor and 8K gbe regions, which
will then be safe to flash. Refer back to <a href="../install/index.html#flashrom_x200">../install/index.html#flashrom_x200</a>
for how to flash it.