From d993e696d62fba8a3ca3a2e27d9c0d527256ca58 Mon Sep 17 00:00:00 2001
From: Francis Rowe <info@gluglug.org.uk>
Date: Tue, 23 Dec 2014 23:10:23 -0500
Subject: ich9deblob: debug in descriptor deblob moved to separate function

---
(limited to 'resources/utilities/ich9deblob')

diff --git a/resources/utilities/ich9deblob/descriptor/descriptor.c b/resources/utilities/ich9deblob/descriptor/descriptor.c
index 0e7f2bf..6eba50b 100644
--- a/resources/utilities/ich9deblob/descriptor/descriptor.c
+++ b/resources/utilities/ich9deblob/descriptor/descriptor.c
@@ -113,16 +113,53 @@ struct DESCRIPTORREGIONRECORD deblobbedDescriptorStructFromFactory(struct DESCRI
 	 * deblobbedDescriptorStruct.mchStraps.mchStrap0.meAlternateDisable = 1;
 	 */
 	
-	/* debugging */
-	printf("\nOriginal (factory.rom) Descriptor start block: %08x ; Descriptor end block: %08x\n", factoryDescriptorStruct.regionSection.flReg0.BASE << FLREGIONBITSHIFT, factoryDescriptorStruct.regionSection.flReg0.LIMIT << FLREGIONBITSHIFT);
-	printf("Original (factory.rom) BIOS start block: %08x ; BIOS end block: %08x\n", factoryDescriptorStruct.regionSection.flReg1.BASE << FLREGIONBITSHIFT, factoryDescriptorStruct.regionSection.flReg1.LIMIT << FLREGIONBITSHIFT);
-	printf("Original (factory.rom) ME start block: %08x ; ME end block: %08x\n", factoryDescriptorStruct.regionSection.flReg2.BASE << FLREGIONBITSHIFT, factoryDescriptorStruct.regionSection.flReg2.LIMIT << FLREGIONBITSHIFT);
-	printf("Original (factory.rom) GBe start block: %08x ; GBe end block: %08x\n", factoryDescriptorStruct.regionSection.flReg3.BASE << FLREGIONBITSHIFT, factoryDescriptorStruct.regionSection.flReg3.LIMIT << FLREGIONBITSHIFT);
+	return deblobbedDescriptorStruct;
+}
+
+/*
+ * ---------------------------------------------------------------------
+ * Debugging functions:
+ * ---------------------------------------------------------------------
+ */
+
+/*
+ * show debugging info: descriptor region boundaries, in a 4KB struct.
+ */
+void printDescriptorRegionLocations(struct DESCRIPTORREGIONRECORD descriptorStruct, char* romName)
+{
+	printf("\n");
 	
-	printf("\nRelocated (libreboot.rom) Descriptor start block: %08x ; Descriptor end block: %08x\n", deblobbedDescriptorStruct.regionSection.flReg0.BASE << FLREGIONBITSHIFT, deblobbedDescriptorStruct.regionSection.flReg0.LIMIT << FLREGIONBITSHIFT);
-	printf("Relocated (libreboot.rom) BIOS start block: %08x ; BIOS end block: %08x\n", deblobbedDescriptorStruct.regionSection.flReg1.BASE << FLREGIONBITSHIFT, deblobbedDescriptorStruct.regionSection.flReg1.LIMIT << FLREGIONBITSHIFT);
-	printf("Relocated (libreboot.rom) ME start block: %08x ; ME end block: %08x\n", deblobbedDescriptorStruct.regionSection.flReg2.BASE << FLREGIONBITSHIFT, deblobbedDescriptorStruct.regionSection.flReg2.LIMIT << FLREGIONBITSHIFT);
-	printf("Relocated (libreboot.rom) GBe start block: %08x ; GBe end block: %08x\n", deblobbedDescriptorStruct.regionSection.flReg3.BASE << FLREGIONBITSHIFT, deblobbedDescriptorStruct.regionSection.flReg3.LIMIT << FLREGIONBITSHIFT);
+	/* Descriptor region */
+	printf(
+		"%s: Descriptor start block: %08x ; Descriptor end block: %08x\n",
+		romName,
+		descriptorStruct.regionSection.flReg0.BASE << FLREGIONBITSHIFT,
+		descriptorStruct.regionSection.flReg0.LIMIT << FLREGIONBITSHIFT
+	);
 	
-	return deblobbedDescriptorStruct;
+	/* BIOS region */
+	printf(
+		"%s: BIOS start block: %08x ; BIOS end block: %08x\n", 
+		romName,
+		descriptorStruct.regionSection.flReg1.BASE << FLREGIONBITSHIFT, 
+		descriptorStruct.regionSection.flReg1.LIMIT << FLREGIONBITSHIFT
+	);
+	
+	/* ME region */
+	printf(
+		"%s: ME start block: %08x ; ME end block: %08x\n", 
+		romName,
+		descriptorStruct.regionSection.flReg2.BASE << FLREGIONBITSHIFT, 
+		descriptorStruct.regionSection.flReg2.LIMIT << FLREGIONBITSHIFT
+	);
+	
+	/* GBe region */
+	printf(
+		"%s: GBe start block: %08x ; GBe end block: %08x\n",
+		romName,
+		descriptorStruct.regionSection.flReg3.BASE << FLREGIONBITSHIFT,
+		descriptorStruct.regionSection.flReg3.LIMIT << FLREGIONBITSHIFT
+	);
+	
+	return;
 }
diff --git a/resources/utilities/ich9deblob/descriptor/descriptor.h b/resources/utilities/ich9deblob/descriptor/descriptor.h
index a3dd340..3841fdc 100644
--- a/resources/utilities/ich9deblob/descriptor/descriptor.h
+++ b/resources/utilities/ich9deblob/descriptor/descriptor.h
@@ -257,5 +257,6 @@ struct DESCRIPTORREGIONRECORD {
  */
  
 struct DESCRIPTORREGIONRECORD deblobbedDescriptorStructFromFactory(struct DESCRIPTORREGIONRECORD factoryDescriptorStruct, unsigned int factoryRomSize);
+void printDescriptorRegionLocations(struct DESCRIPTORREGIONRECORD descriptorStruct, char* romName);
 
 #endif
diff --git a/resources/utilities/ich9deblob/ich9deblob.c b/resources/utilities/ich9deblob/ich9deblob.c
index b6ad9cd..f8ed5a4 100644
--- a/resources/utilities/ich9deblob/ich9deblob.c
+++ b/resources/utilities/ich9deblob/ich9deblob.c
@@ -195,6 +195,12 @@ int main(int argc, char *argv[])
 	 * Also, extend the BIOS region to fill the ROM image (after descriptor+gbe).
 	 */
 	deblobbedDescriptorStruct = deblobbedDescriptorStructFromFactory(factoryDescriptorStruct, factoryRomSize);
+	/*
+	 * Debugging: show region locations in the 
+	 * original descriptor and the modified one
+	 */
+	printDescriptorRegionLocations(factoryDescriptorStruct, "Original");
+	printDescriptorRegionLocations(deblobbedDescriptorStruct, "Modified");
 
 	/*
 	 * Modify the Gbe region (see function for details)
--
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