From a8b13d23f29a08026eaa308b8b09be7e9d1ff5a6 Mon Sep 17 00:00:00 2001
From: Francis Rowe <info@gluglug.org.uk>
Date: Thu, 25 Dec 2014 16:25:49 -0500
Subject: ich9deblob: moved src to src/, .o files to obj/

---
(limited to 'resources/utilities/ich9deblob/gbe/gbe.c')

diff --git a/resources/utilities/ich9deblob/gbe/gbe.c b/resources/utilities/ich9deblob/gbe/gbe.c
deleted file mode 100644
index 9eee828..0000000
--- a/resources/utilities/ich9deblob/gbe/gbe.c
+++ /dev/null
@@ -1,124 +0,0 @@
-/*
- *  gbe/gbe.c
- *  This file is part of the ich9deblob utility from the libreboot project
- *
- *  Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
- *                     Francis Rowe <info@gluglug.org.uk>
- *
- *  This program is free software: you can redistribute it and/or modify
- *  it under the terms of the GNU General Public License as published by
- *  the Free Software Foundation, either version 3 of the License, or
- *  (at your option) any later version.
- *
- *  This program is distributed in the hope that it will be useful,
- *  but WITHOUT ANY WARRANTY; without even the implied warranty of
- *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
- *  GNU General Public License for more details.
- *
- *  You should have received a copy of the GNU General Public License
- *  along with this program.  If not, see <http://www.gnu.org/licenses/>.
- */
- 
-/*
- * Provide gbe related functions.
- */
-
-/* structs describing the data from gbe region */
-#include "gbe.h"
-
-/*
- * ---------------------------------------------------------------------
- * Gbe functions:
- * ---------------------------------------------------------------------
- */
-
-/* Read a 16-bit unsigned int from a supplied region buffer */
-unsigned short gbeGetRegionWordFrom8kBuffer(int index, char* regionData)
-{
-	return *((unsigned short*)(regionData + (index * 2)));
-}
-
-/* 
- * gbe checksum calculation (algorithm based on datasheet)
- */
-unsigned short gbeGetChecksumFrom8kBuffer(char* regionData, unsigned short desiredValue, int byteOffset)
-{
-	int i;
-	
-	/* 
-	 * byteOffset defines the byte address where the gbe begins in the buffer "regionData".
-	 * However, this function works with 16-bit words. Shift the byte offset to the right for the word (16-bit) offset.
-	 */
-	int wordOffset = byteOffset >> 1;
-	
-	unsigned short regionWord; /* store words here for adding to checksum */
-	unsigned short checksum = 0; /* this gbe's checksum */
-
-	for (i = 0; i < 0x3F; i++) {
-		regionWord = gbeGetRegionWordFrom8kBuffer(i+wordOffset, regionData);
-		checksum += regionWord;
-	}
-	checksum = desiredValue - checksum;
-	return checksum;
-}
-
-/* checksum calculation for 4k gbe struct (algorithm based on datasheet) */
-unsigned short gbeGetChecksumFrom4kStruct(struct GBEREGIONRECORD_4K gbeStruct4k, unsigned short desiredValue)
-{
-	char gbeBuffer4k[GBEREGIONSIZE_4K];
-	memcpy(&gbeBuffer4k, &gbeStruct4k, GBEREGIONSIZE_4K);
-	return gbeGetChecksumFrom8kBuffer(gbeBuffer4k, desiredValue, 0);
-}
-
-/* modify the gbe region extracted from a factory.rom dump */
-struct GBEREGIONRECORD_8K deblobbedGbeStructFromFactory(struct GBEREGIONRECORD_8K factoryGbeStruct8k) 
-{	
-	/*
-	 * Correct the main gbe region. By default, the X200 (as shipped from Lenovo) comes
-	 * with a broken main gbe region, where the backup gbe region is used instead. Modify
-	 * it so that the main region is usable.
-	 */
-	
-	struct GBEREGIONRECORD_8K deblobbedGbeStruct8k;
-	memcpy(&deblobbedGbeStruct8k, &factoryGbeStruct8k, GBEREGIONSIZE_8K);
-	
-	deblobbedGbeStruct8k.backup.checkSum = gbeGetChecksumFrom4kStruct(deblobbedGbeStruct8k.backup, GBECHECKSUMTOTAL);
-	memcpy(&deblobbedGbeStruct8k.main, &deblobbedGbeStruct8k.backup, GBEREGIONSIZE_4K);
-	
-	return deblobbedGbeStruct8k;
-}
-
-/*
- * ---------------------------------------------------------------------
- * Debugging functions:
- * ---------------------------------------------------------------------
- */
-
-/*
- * show debugging info: show calculated (correct) gbe checksum and what
- * is actually stored, in a 4K gbe struct. Only for a single region.
- */
-void printGbeChecksumDataFromStruct4k(struct GBEREGIONRECORD_4K gbeStruct4k, char* romName, char* regionName)
-{
-	printf(
-		"%s Gbe (%s): calculated Gbe checksum: 0x%hx and actual GBe checksum: 0x%hx\n", 
-		romName,
-		regionName,
-		gbeGetChecksumFrom4kStruct(gbeStruct4k, GBECHECKSUMTOTAL), 
-		gbeStruct4k.checkSum
-	);
-	
-	return;
-}
-
-/*
- * show debugging info: show calculated (correct) gbe checksum and what 
- * is actually stored, in a 8K gbe struct. Do so for main and backup regions.
- */
-void printGbeChecksumDataFromStruct8k(struct GBEREGIONRECORD_8K gbeStruct8k, char* romName)
-{	
-	printGbeChecksumDataFromStruct4k(gbeStruct8k.main, romName, "main");
-	printGbeChecksumDataFromStruct4k(gbeStruct8k.backup, romName, "backup");
-	
-	return;
-}
--
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