code:
/*
 *  descriptor/descriptor.c
 *  This file is part of the ich9deblob utility from the libreboot project
 *
 *	 Copyright (C) 2014, 2015 Leah Rowe <info@minifree.org>
 *  Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
 *
 *  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 descriptor related functions.
 */

/* structs describing the data in descriptor region */
#include "descriptor.h"

/*
 * ---------------------------------------------------------------------
 * Descriptor related functions
 * ---------------------------------------------------------------------
 */

/* Set the Host CPU / BIOS region to have read-write access on all regions */
struct DESCRIPTORREGIONRECORD descriptorHostRegionsUnlocked(struct DESCRIPTORREGIONRECORD descriptorStruct)
{
   descriptorStruct.masterAccessSection.flMstr1.fdRegionReadAccess = 0x1;
   descriptorStruct.masterAccessSection.flMstr1.biosRegionReadAccess = 0x1;
   descriptorStruct.masterAccessSection.flMstr1.meRegionReadAccess = 0x1;
   descriptorStruct.masterAccessSection.flMstr1.gbeRegionReadAccess = 0x1;
   descriptorStruct.masterAccessSection.flMstr1.pdRegionReadAccess = 0x1;
   descriptorStruct.masterAccessSection.flMstr1.fdRegionWriteAccess = 0x1;
   descriptorStruct.masterAccessSection.flMstr1.biosRegionWriteAccess = 0x1;
   descriptorStruct.masterAccessSection.flMstr1.meRegionWriteAccess = 0x1;
   descriptorStruct.masterAccessSection.flMstr1.gbeRegionWriteAccess = 0x1;
   descriptorStruct.masterAccessSection.flMstr1.pdRegionWriteAccess = 0x1;

   return descriptorStruct;
}

/* Set the ME to have *no* read-write access on any region */
struct DESCRIPTORREGIONRECORD descriptorMeRegionsForbidden(struct DESCRIPTORREGIONRECORD descriptorStruct)
{
   descriptorStruct.masterAccessSection.flMstr2.fdRegionReadAccess = 0x0;
   descriptorStruct.masterAccessSection.flMstr2.biosRegionReadAccess = 0x0;
   descriptorStruct.masterAccessSection.flMstr2.meRegionReadAccess = 0x0;
   descriptorStruct.masterAccessSection.flMstr2.gbeRegionReadAccess = 0x0;
   descriptorStruct.masterAccessSection.flMstr2.pdRegionReadAccess = 0x0;
   descriptorStruct.masterAccessSection.flMstr2.fdRegionWriteAccess = 0x0;
   descriptorStruct.masterAccessSection.flMstr2.biosRegionWriteAccess = 0x0;
   descriptorStruct.masterAccessSection.flMstr2.meRegionWriteAccess = 0x0;
   descriptorStruct.masterAccessSection.flMstr2.gbeRegionWriteAccess = 0x0;
   descriptorStruct.masterAccessSection.flMstr2.pdRegionWriteAccess = 0x0;

   return descriptorStruct;
}

/* Disable (delete) the ME region */
struct DESCRIPTORREGIONRECORD descriptorMeRegionRemoved(struct DESCRIPTORREGIONRECORD descriptorStruct)
{
	descriptorStruct.regionSection.flReg2.BASE = 0x1FFF;
	descriptorStruct.regionSection.flReg2.LIMIT = 0;

	return descriptorStruct;
}

/* Disable (delete) the Platform region */
struct DESCRIPTORREGIONRECORD descriptorPlatformRegionRemoved(struct DESCRIPTORREGIONRECORD descriptorStruct)
{
	descriptorStruct.regionSection.flReg4.BASE = 0x1FFF;
	descriptorStruct.regionSection.flReg4.LIMIT = 0;

	return descriptorStruct;
}

/* Disable the ME in ICHSTRAP0 and MCHSTRAP0 */
struct DESCRIPTORREGIONRECORD descriptorDisableMe(struct DESCRIPTORREGIONRECORD descriptorStruct)
{
	descriptorStruct.ichStraps.ichStrap0.meDisable = 1;
	descriptorStruct.mchStraps.mchStrap0.meDisable = 1;

	return descriptorStruct;
}

/* Disable the TPM in MCHSTRAP0 */
struct DESCRIPTORREGIONRECORD descriptorDisableTpm(struct DESCRIPTORREGIONRECORD descriptorStruct)
{
	descriptorStruct.mchStraps.mchStrap0.tpmDisable = 1;

	return descriptorStruct;
}

/* Relocate the Gbe region to begin at 4KiB (immediately after the flash descriptor) */
struct DESCRIPTORREGIONRECORD descriptorMoveGbeToStart(struct DESCRIPTORREGIONRECORD descriptorStruct)
{
	descriptorStruct.regionSection.flReg3.BASE = DESCRIPTORREGIONSIZE >> FLREGIONBITSHIFT;
	descriptorStruct.regionSection.flReg3.LIMIT = GBEREGIONSIZE_8K >> FLREGIONBITSHIFT;

	return descriptorStruct;
}

/* Disable (delete) the GbE region */
struct DESCRIPTORREGIONRECORD descriptorGbeRegionRemoved(struct DESCRIPTORREGIONRECORD descriptorStruct)
{
	descriptorStruct.regionSection.flReg3.BASE = 0x1FFF;
	descriptorStruct.regionSection.flReg3.LIMIT = 0;

	return descriptorStruct;
}

/* BIOS Region begin after descriptor+gbe at first 12KiB, fills the rest of the image */
struct DESCRIPTORREGIONRECORD descriptorBiosRegionFillImageAfterGbe(struct DESCRIPTORREGIONRECORD descriptorStruct, unsigned int romSize)
{
	descriptorStruct.regionSection.flReg1.BASE = (DESCRIPTORREGIONSIZE + GBEREGIONSIZE_8K) >> FLREGIONBITSHIFT;
	descriptorStruct.regionSection.flReg1.LIMIT = (romSize >> FLREGIONBITSHIFT) - 1;

	return descriptorStruct;
}

/* BIOS Region begin after descriptor at first 4KiB, fills the rest of the image */
struct DESCRIPTORREGIONRECORD descriptorBiosRegionFillImageAfterDescriptor(struct DESCRIPTORREGIONRECORD descriptorStruct, unsigned int romSize)
{
	descriptorStruct.regionSection.flReg1.BASE = DESCRIPTORREGIONSIZE >> FLREGIONBITSHIFT;
	descriptorStruct.regionSection.flReg1.LIMIT = (romSize >> FLREGIONBITSHIFT) - 1;

	return descriptorStruct;
}

/* Set OEM string to "LIBERATE" */
struct DESCRIPTORREGIONRECORD descriptorOemString(struct DESCRIPTORREGIONRECORD descriptorStruct)
{
	descriptorStruct.oemSection.magicString[0] = 0x4C;
	descriptorStruct.oemSection.magicString[1] = 0x49;
	descriptorStruct.oemSection.magicString[2] = 0x42;
	descriptorStruct.oemSection.magicString[3] = 0x45;
	descriptorStruct.oemSection.magicString[4] = 0x52;
	descriptorStruct.oemSection.magicString[5] = 0x41;
	descriptorStruct.oemSection.magicString[6] = 0x54;
	descriptorStruct.oemSection.magicString[7] = 0x45;

	return descriptorStruct;
}

/* Check whether a GbE region is defined by this descriptor.
 * Not thorough, but should work in most cases */
int descriptorDefinesGbeRegion(struct DESCRIPTORREGIONRECORD descriptorStruct)
{
	if (
		(descriptorStruct.regionSection.flReg3.BASE == 0x1FFF || descriptorStruct.regionSection.flReg3.BASE == 0xFFF)
		&&
		(descriptorStruct.regionSection.flReg3.LIMIT == 0)
	)
		return 0; /* has no GbE region */
	else if (
		descriptorStruct.ichStraps.ichStrap0.integratedGbe == 0
		||
		descriptorStruct.ichStraps.ichStrap0.lanPhy == 0
	)
		return 0; /* has no GbE region */
	else
		return 1; /* has a GbE region */
}

/* Configure the BIOS and GbE regions, as required by libreboot.
 * Enable or disable the GbE region, based on what's in the descriptor */
struct DESCRIPTORREGIONRECORD librebootSetGbeBiosDescriptorRegions(struct DESCRIPTORREGIONRECORD descriptorStruct, unsigned int romSize)
{
	if (descriptorDefinesGbeRegion(descriptorStruct))
	{
		/*
		 * set number of regions from 4 -> 2 (0 based, so 4 means 5 and 2
		 * means 3. We want 3 regions: descriptor, gbe and bios, in that order)
		 */
		descriptorStruct.flMaps.flMap0.NR = 2;
		/* Move GbE region to the start of the image (after the descriptor) */
		descriptorStruct = descriptorMoveGbeToStart(descriptorStruct);
		/* BIOS region fills the remaining space */
		descriptorStruct = descriptorBiosRegionFillImageAfterGbe(descriptorStruct, romSize);

		/* GbE region means that an Intel NIC is to be present */
		descriptorStruct.ichStraps.ichStrap0.integratedGbe = 0x1;
		descriptorStruct.ichStraps.ichStrap0.lanPhy = 0x1;
	}
	else {
		/*
		 * set number of regions from 4 -> 2 (0 based, so 4 means 5 and 1
		 * means 2. We want 2 regions: descriptor and bios, in that order)
		 */
		descriptorStruct.flMaps.flMap0.NR = 1;
		/* Disable the GbE region */
		descriptorStruct = descriptorGbeRegionRemoved(descriptorStruct);
		/* BIOS region fills the remaining space, after the descriptor */
		descriptorStruct = descriptorBiosRegionFillImageAfterDescriptor(descriptorStruct, romSize);

		/* No GbE region means that an onboard NIC is still used, but it's discrete (eg Broadcom) */
		descriptorStruct.ichStraps.ichStrap0.integratedGbe = 0x0;
		descriptorStruct.ichStraps.ichStrap0.lanPhy = 0x0;
	}

	return descriptorStruct;
}

uint8_t componentDensity(unsigned int romSizeInBytes)
{
	/* component density, see Component Section Record. page 848 in the datasheet */
	switch (romSizeInBytes)
	{
		case ROMSIZE_512KB: return 0;
		case ROMSIZE_1MB: return 1;
		case ROMSIZE_2MB: return 2;
		case ROMSIZE_4MB: return 3;
		case ROMSIZE_8MB: return 4;
		case ROMSIZE_16MB: return 5;
		default: return 0x7; /* reserved value */
	}
}

/* From a factory.rom image, create a modified descriptor region, suitable
 * for use by the libreboot project */
struct DESCRIPTORREGIONRECORD librebootDescriptorStructFromFactory(struct DESCRIPTORREGIONRECORD descriptorStruct, unsigned int romSize)
{
	/* Enable or disable the GbE region, from what's in the descriptor */
	descriptorStruct = librebootSetGbeBiosDescriptorRegions(descriptorStruct, romSize);

	/* Disable the ME/TPM and remove the ME/Platform regions: */
	descriptorStruct = descriptorMeRegionRemoved(descriptorStruct);
	/* Disable the ME/TPM and remove the ME/Platform regions: */
	descriptorStruct = descriptorPlatformRegionRemoved(descriptorStruct);

	/* Disable the ME itself, so that it doesn't try to start when this descriptor is in use */
	descriptorStruct = descriptorDisableMe(descriptorStruct);
	/* Also disable the TPM, by default */
	descriptorStruct = descriptorDisableTpm(descriptorStruct);

	return descriptorStruct;
}

/*
 * ---------------------------------------------------------------------
 * C code generator (self-writing code)
 * ---------------------------------------------------------------------
 */

/*
 * Generate a C (.h) header file for the C source file made by notCreatedCFileFromDescriptorStruct()
 *
 * Output it to a file.
 */
int notCreatedHFileForDescriptorCFile(char* outFileName, char* cFileName)
{
	remove(outFileName); /* Remove the old file before continuing */

	/* Open the file that will be written to */
	FILE* fp = fopen(outFileName, "w+");

	/* ------------------------------ */

	fprintf(fp, "/* %s: generated C code from ich9deblob */\n", outFileName);
	fprintf(fp, "/* .h header file for the descriptor-generating C code (%s) */\n\n", cFileName);

	fprintf(fp, "#ifndef ICH9GEN_MKDESCRIPTOR_H\n");
	fprintf(fp, "#define ICH9GEN_MKDESCRIPTOR_H\n\n");

	fprintf(fp, "#include <stdio.h>\n");
	fprintf(fp, "#include <string.h>\n");
	fprintf(fp, "#include \"../descriptor/descriptor.h\"\n\n");

	fprintf(fp, "struct DESCRIPTORREGIONRECORD generatedDescriptorStruct(unsigned int romSize, int hasGbe);\n");

	fprintf(fp, "#endif\n");

	/* ------------------------------ */

	fclose(fp); /* Always close the file when done. */

	return 0;
}

/*
 * Generate a C source file that initializes the same data from a given
 * 4KiB Descriptor data structure.
 *
 * Output it to a file.
 */
int notCreatedCFileFromDescriptorStruct(struct DESCRIPTORREGIONRECORD descriptorStruct, char* outFileName, char* headerFileName)
{
	int i, j;

	remove(outFileName); /* Remove the old file before continuing */

	/* Open the file that will be written to */
	FILE* fp = fopen(outFileName, "w+");

	/* ------------------------------ */

	fprintf(fp, "/* %s: generated C code from ich9deblob */\n", outFileName);
	fprintf(fp, "/* .c source file for the descriptor-generating C code */\n\n");

	fprintf(fp, "#include \"%s\"\n\n", headerFileName);

	fprintf(fp, "/* Generate a 4KiB Descriptor struct, with default values. */\n");
	fprintf(fp, "/* Read ../descriptor/descriptor.h for an explanation of the default values used here */\n\n");

	fprintf(fp, "struct DESCRIPTORREGIONRECORD generatedDescriptorStruct(unsigned int romSize, int hasGbe)\n");
	fprintf(fp, "{\n");
	fprintf(fp, "    int i;\n");
	fprintf(fp, "    struct DESCRIPTORREGIONRECORD descriptorStruct;\n");
	fprintf(fp, "\n");
	/* Flash Valid Signature Register */
	fprintf(fp, "    /* Flash Valid Signature Register */\n");
	fprintf(fp, "    descriptorStruct.flValSig.signature = 0x%08x;\n", descriptorStruct.flValSig.signature);
	fprintf(fp, "\n");
	/* Flash Map Registers */
	fprintf(fp, "    /* Flash Map Registers */\n");
	fprintf(fp, "    /* FLMAP0 */\n");
	fprintf(fp, "    descriptorStruct.flMaps.flMap0.FCBA = 0x%02x;\n", descriptorStruct.flMaps.flMap0.FCBA);
	fprintf(fp, "    descriptorStruct.flMaps.flMap0.NC = 0x%01x;\n", descriptorStruct.flMaps.flMap0.NC);
	fprintf(fp, "    descriptorStruct.flMaps.flMap0.reserved1 = 0x%02x;\n", descriptorStruct.flMaps.flMap0.reserved1);
	fprintf(fp, "    descriptorStruct.flMaps.flMap0.FRBA = 0x%02x;\n", descriptorStruct.flMaps.flMap0.FRBA);
	fprintf(fp, "    /* descriptorStruct.flMaps.flMap0.NR = 0x%01x; */ /* see ../descriptor/descriptor.c */\n", descriptorStruct.flMaps.flMap0.NR);
	fprintf(fp, "    descriptorStruct.flMaps.flMap0.NR = hasGbe ? 0x2 : 0x1; /* see ../descriptor/descriptor.c */\n");
	fprintf(fp, "    descriptorStruct.flMaps.flMap0.reserved2 = 0x%02x;\n", descriptorStruct.flMaps.flMap0.reserved2);
	fprintf(fp, "    /* FLMAP1 */\n");
	fprintf(fp, "    descriptorStruct.flMaps.flMap1.FMBA = 0x%02x;\n", descriptorStruct.flMaps.flMap1.FMBA);
	fprintf(fp, "    descriptorStruct.flMaps.flMap1.NM = 0x%01x;\n", descriptorStruct.flMaps.flMap1.NM);
	fprintf(fp, "    descriptorStruct.flMaps.flMap1.reserved = 0x%02x;\n", descriptorStruct.flMaps.flMap1.reserved);
	fprintf(fp, "    descriptorStruct.flMaps.flMap1.FISBA = 0x%02x;\n", descriptorStruct.flMaps.flMap1.FISBA);
	fprintf(fp, "    descriptorStruct.flMaps.flMap1.ISL = 0x%02x;\n", descriptorStruct.flMaps.flMap1.ISL);
	fprintf(fp, "    /* FLMAP2 */\n");
	fprintf(fp, "    descriptorStruct.flMaps.flMap2.FMSBA = 0x%02x;\n", descriptorStruct.flMaps.flMap2.FMSBA);
	fprintf(fp, "    descriptorStruct.flMaps.flMap2.MSL = 0x%02x;\n", descriptorStruct.flMaps.flMap2.MSL);
	fprintf(fp, "    descriptorStruct.flMaps.flMap2.reserved = 0x%04x;\n", descriptorStruct.flMaps.flMap2.reserved);
	fprintf(fp, "\n");
	/* Component Section Record */
	fprintf(fp, "    /* Component Section Record */\n");
	fprintf(fp, "    /* FLCOMP */\n");
	fprintf(fp, "    /* descriptorStruct.componentSection.flcomp.component1Density = 0x%01x; */\n", descriptorStruct.componentSection.flcomp.component1Density);
	fprintf(fp, "    /* descriptorStruct.componentSection.flcomp.component2Density = 0x%01x; */\n", descriptorStruct.componentSection.flcomp.component2Density);
	fprintf(fp, "    descriptorStruct.componentSection.flcomp.component1Density = componentDensity(romSize);\n");
	fprintf(fp, "    descriptorStruct.componentSection.flcomp.component2Density = componentDensity(romSize);\n");
	fprintf(fp, "    descriptorStruct.componentSection.flcomp.reserved1 = 0x%01x;\n", descriptorStruct.componentSection.flcomp.reserved1);
	fprintf(fp, "    descriptorStruct.componentSection.flcomp.reserved2 = 0x%02x;\n", descriptorStruct.componentSection.flcomp.reserved2);
	fprintf(fp, "    descriptorStruct.componentSection.flcomp.reserved3 = 0x%01x;\n", descriptorStruct.componentSection.flcomp.reserved3);
	fprintf(fp, "    descriptorStruct.componentSection.flcomp.readClockFrequency = 0x%01x;\n", descriptorStruct.componentSection.flcomp.readClockFrequency);
	fprintf(fp, "    descriptorStruct.componentSection.flcomp.fastReadSupport = 0x%01x;\n", descriptorStruct.componentSection.flcomp.fastReadSupport);
	fprintf(fp, "    descriptorStruct.componentSection.flcomp.fastreadClockFrequency = 0x%01x;\n", descriptorStruct.componentSection.flcomp.fastreadClockFrequency);
	fprintf(fp, "    descriptorStruct.componentSection.flcomp.writeEraseClockFrequency = 0x%01x;\n", descriptorStruct.componentSection.flcomp.writeEraseClockFrequency);
	fprintf(fp, "    descriptorStruct.componentSection.flcomp.readStatusClockFrequency = 0x%01x;\n", descriptorStruct.componentSection.flcomp.readStatusClockFrequency);
	fprintf(fp, "    descriptorStruct.componentSection.flcomp.reserved4 = 0x%01x;\n", descriptorStruct.componentSection.flcomp.reserved4);
	fprintf(fp, "    /* FLILL */\n");
	fprintf(fp, "    descriptorStruct.componentSection.flill = 0x%08x;\n", descriptorStruct.componentSection.flill);
	fprintf(fp, "    /* FLPB */\n");
	fprintf(fp, "    descriptorStruct.componentSection.flpb = 0x%08x;\n", descriptorStruct.componentSection.flpb);
	fprintf(fp, "    /* Padding */\n");
	for (i = 0; i < 36; i++) {
		if (descriptorStruct.componentSection.padding[i] != 0xFF) {
			for (j = 0; j < 36; j++) {
				fprintf(fp, "    descriptorStruct.componentSection.padding[%d] = 0x%02x;\n", j, descriptorStruct.componentSection.padding[j]);
			}
			break;
		} else if (i == 35) {
			fprintf(fp, "    for (i = 0; i < 36; i++) {\n");
			fprintf(fp, "        descriptorStruct.componentSection.padding[i] = 0xFF;\n");
			fprintf(fp, "    }\n");
			break;
		}
	}
	fprintf(fp, "\n");
	/* Flash Descriptor Region Section */
	fprintf(fp, "    /* Flash Descriptor Region Section */\n");
	fprintf(fp, "    /* FLREG0 (Descriptor) */\n");
	fprintf(fp, "    descriptorStruct.regionSection.flReg0.BASE = 0x%04x;\n", descriptorStruct.regionSection.flReg0.BASE);
	fprintf(fp, "    descriptorStruct.regionSection.flReg0.reserved1 = 0x%01x;\n", descriptorStruct.regionSection.flReg0.reserved1);
	fprintf(fp, "    descriptorStruct.regionSection.flReg0.LIMIT = 0x%04x;\n", descriptorStruct.regionSection.flReg0.LIMIT);
	fprintf(fp, "    descriptorStruct.regionSection.flReg0.reserved2 = 0x%01x;\n", descriptorStruct.regionSection.flReg0.reserved2);
	fprintf(fp, "    /* FLREG1 (BIOS) */\n");
	fprintf(fp, "    /* descriptorStruct.regionSection.flReg1.BASE = 0x%04x; */\n", descriptorStruct.regionSection.flReg1.BASE);
	fprintf(fp, "    descriptorStruct.regionSection.flReg1.BASE = (DESCRIPTORREGIONSIZE + (hasGbe ? GBEREGIONSIZE_8K : 0)) >> FLREGIONBITSHIFT; /* see ../descriptor/descriptor.c */\n");
	fprintf(fp, "    descriptorStruct.regionSection.flReg1.reserved1 = 0x%01x;\n", descriptorStruct.regionSection.flReg1.reserved1);
	fprintf(fp, "    /* descriptorStruct.regionSection.flReg1.LIMIT = 0x%04x; */\n", descriptorStruct.regionSection.flReg1.LIMIT);
	fprintf(fp, "    descriptorStruct.regionSection.flReg1.LIMIT = ((romSize >> FLREGIONBITSHIFT) - 1); /* see ../descriptor/descriptor.c */\n");
	fprintf(fp, "    descriptorStruct.regionSection.flReg1.reserved2 = 0x%01x;\n", descriptorStruct.regionSection.flReg1.reserved2);
	fprintf(fp, "    /* FLREG2 (ME) */\n");
	fprintf(fp, "    descriptorStruct.regionSection.flReg2.BASE = 0x%04x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.regionSection.flReg2.BASE);
	fprintf(fp, "    descriptorStruct.regionSection.flReg2.reserved1 = 0x%01x;\n", descriptorStruct.regionSection.flReg2.reserved1);
	fprintf(fp, "    descriptorStruct.regionSection.flReg2.LIMIT = 0x%04x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.regionSection.flReg2.LIMIT);
	fprintf(fp, "    descriptorStruct.regionSection.flReg2.reserved2 = 0x%01x;\n", descriptorStruct.regionSection.flReg2.reserved2);
	fprintf(fp, "    /* FLREG3 (Gbe) */\n");
	fprintf(fp, "    /* descriptorStruct.regionSection.flReg3.BASE = 0x%04x; */\n", descriptorStruct.regionSection.flReg3.BASE);
	fprintf(fp, "    descriptorStruct.regionSection.flReg3.BASE = hasGbe ? (DESCRIPTORREGIONSIZE >> FLREGIONBITSHIFT) : 0x1fff; /* see ../descriptor/descriptor.c */\n");
	fprintf(fp, "    descriptorStruct.regionSection.flReg3.reserved1 = 0x%01x;\n", descriptorStruct.regionSection.flReg3.reserved1);
	fprintf(fp, "    /* descriptorStruct.regionSection.flReg3.LIMIT = 0x%04x; */\n", descriptorStruct.regionSection.flReg3.LIMIT);
	fprintf(fp, "    descriptorStruct.regionSection.flReg3.LIMIT = hasGbe ? (GBEREGIONSIZE_8K >> FLREGIONBITSHIFT) : 0x0000; /* see ../descriptor/descriptor.c */\n");
	fprintf(fp, "    descriptorStruct.regionSection.flReg3.reserved2 = 0x%01x;\n", descriptorStruct.regionSection.flReg3.reserved2);
	fprintf(fp, "    /* FLREG4 (Platform) */\n");
	fprintf(fp, "    descriptorStruct.regionSection.flReg4.BASE = 0x%04x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.regionSection.flReg4.BASE);
	fprintf(fp, "    descriptorStruct.regionSection.flReg4.reserved1 = 0x%01x;\n", descriptorStruct.regionSection.flReg4.reserved1);
	fprintf(fp, "    descriptorStruct.regionSection.flReg4.LIMIT = 0x%04x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.regionSection.flReg4.LIMIT);
	fprintf(fp, "    descriptorStruct.regionSection.flReg4.reserved2 = 0x%01x;\n", descriptorStruct.regionSection.flReg4.reserved2);
	fprintf(fp, "    /* Padding */\n");
	for (i = 0; i < 12; i++) {
		if (descriptorStruct.regionSection.padding[i] != 0xFF) {
			for (j = 0; j < 12; j++) {
				fprintf(fp, "    descriptorStruct.regionSection.padding[%d] = 0x%02x;\n", j, descriptorStruct.regionSection.padding[j]);
			}
			break;
		} else if (i == 11) {
			fprintf(fp, "    for (i = 0; i < 12; i++) {\n");
			fprintf(fp, "        descriptorStruct.regionSection.padding[i] = 0xFF;\n");
			fprintf(fp, "    }\n");
			break;
		}
	}
	fprintf(fp, "\n");
	/* Master Access Section */
	fprintf(fp, "    /* Master Access Section */\n");
	fprintf(fp, "    /* FLMSTR1 (Host CPU / BIOS) */\n");
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr1.requesterId = 0x%04x;\n", descriptorStruct.masterAccessSection.flMstr1.requesterId);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr1.fdRegionReadAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr1.fdRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr1.biosRegionReadAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr1.biosRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr1.meRegionReadAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr1.meRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr1.gbeRegionReadAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr1.gbeRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr1.pdRegionReadAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr1.pdRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr1.reserved1 = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr1.reserved1);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr1.fdRegionWriteAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr1.fdRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr1.biosRegionWriteAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr1.biosRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr1.meRegionWriteAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr1.meRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr1.gbeRegionWriteAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr1.gbeRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr1.pdRegionWriteAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr1.pdRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr1.reserved2 = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr1.reserved2);
	fprintf(fp, "    /* FLMSTR2 (ME) */\n");
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr2.requesterId = 0x%04x;\n", descriptorStruct.masterAccessSection.flMstr2.requesterId);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr2.fdRegionReadAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr2.fdRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr2.biosRegionReadAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr2.biosRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr2.meRegionReadAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr2.meRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr2.gbeRegionReadAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr2.gbeRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr2.pdRegionReadAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr2.pdRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr2.reserved1 = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr2.reserved1);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr2.fdRegionWriteAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr2.fdRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr2.biosRegionWriteAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr2.biosRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr2.meRegionWriteAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr2.meRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr2.gbeRegionWriteAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr2.gbeRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr2.pdRegionWriteAccess = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.masterAccessSection.flMstr2.pdRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr2.reserved2 = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr2.reserved2);
	fprintf(fp, "    /* FLMSTR3 (Gbe) */\n");
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr3.requesterId = 0x%04x;\n", descriptorStruct.masterAccessSection.flMstr3.requesterId);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr3.fdRegionReadAccess = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr3.fdRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr3.biosRegionReadAccess = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr3.biosRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr3.meRegionReadAccess = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr3.meRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr3.gbeRegionReadAccess = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr3.gbeRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr3.pdRegionReadAccess = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr3.pdRegionReadAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr3.reserved1 = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr3.reserved1);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr3.fdRegionWriteAccess = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr3.fdRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr3.biosRegionWriteAccess = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr3.biosRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr3.meRegionWriteAccess = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr3.meRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr3.gbeRegionWriteAccess = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr3.gbeRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr3.pdRegionWriteAccess = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr3.pdRegionWriteAccess);
	fprintf(fp, "    descriptorStruct.masterAccessSection.flMstr3.reserved2 = 0x%01x;\n", descriptorStruct.masterAccessSection.flMstr3.reserved2);
	fprintf(fp, "    /* Padding */\n");
	for (i = 0; i < 148; i++) {
		if (descriptorStruct.masterAccessSection.padding[i] != 0xFF) {
			for (j = 0; j < 148; j++) {
				fprintf(fp, "    descriptorStruct.masterAccessSection.padding[%d] = 0x%02x;\n", j, descriptorStruct.masterAccessSection.padding[j]);
			}
			break;
		} else if (i == 147) {
			fprintf(fp, "    for (i = 0; i < 148; i++) {\n");
			fprintf(fp, "        descriptorStruct.masterAccessSection.padding[i] = 0xFF;\n");
			fprintf(fp, "    }\n");
			break;
		}
	}
	fprintf(fp, "\n");
	/* ICH straps */
	fprintf(fp, "    /* ICH straps */\n");
	fprintf(fp, "    /* ICHSTRAP0 */\n");
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap0.meDisable = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.ichStraps.ichStrap0.meDisable);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap0.reserved1 = 0x%02x;\n", descriptorStruct.ichStraps.ichStrap0.reserved1);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap0.tcoMode = 0x%01x;\n", descriptorStruct.ichStraps.ichStrap0.tcoMode);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap0.smBusAddress = 0x%02x;\n", descriptorStruct.ichStraps.ichStrap0.smBusAddress);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap0.bmcMode = 0x%01x;\n", descriptorStruct.ichStraps.ichStrap0.bmcMode);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap0.tripPointSelect = 0x%01x;\n", descriptorStruct.ichStraps.ichStrap0.tripPointSelect);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap0.reserved2 = 0x%01x;\n", descriptorStruct.ichStraps.ichStrap0.reserved2);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap0.integratedGbe = hasGbe ? 0x1 : 0x0;\n");
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap0.lanPhy = hasGbe ? 0x1 : 0x0;\n");
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap0.reserved3 = 0x%01x;\n", descriptorStruct.ichStraps.ichStrap0.reserved3);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap0.dmiRequesterId = 0x%01x;\n", descriptorStruct.ichStraps.ichStrap0.dmiRequesterId);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap0.smBus2Address = 0x%02x;\n", descriptorStruct.ichStraps.ichStrap0.smBus2Address);
	fprintf(fp, "    /* ICHSTRAP1 */\n");
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap1.northMlink = 0x%01x;\n", descriptorStruct.ichStraps.ichStrap1.northMlink);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap1.southMlink = 0x%01x;\n", descriptorStruct.ichStraps.ichStrap1.southMlink);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap1.meSmbus = 0x%01x;\n", descriptorStruct.ichStraps.ichStrap1.meSmbus);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap1.sstDynamic = 0x%01x;\n", descriptorStruct.ichStraps.ichStrap1.sstDynamic);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap1.reserved1 = 0x%01x;\n", descriptorStruct.ichStraps.ichStrap1.reserved1);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap1.northMlink2 = 0x%01x;\n", descriptorStruct.ichStraps.ichStrap1.northMlink2);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap1.reserved2 = 0x%02x;\n", descriptorStruct.ichStraps.ichStrap1.reserved2);
	fprintf(fp, "    descriptorStruct.ichStraps.ichStrap1.reserved3 = 0x%04x;\n", descriptorStruct.ichStraps.ichStrap1.reserved3);
	fprintf(fp, "    /* Padding */\n");
	for (i = 0; i < 248; i++) {
		if (descriptorStruct.ichStraps.padding[i] != 0xFF) {
			for (j = 0; j < 248; j++) {
				fprintf(fp, "    descriptorStruct.ichStraps.padding[%d] = 0x%02x;\n", j, descriptorStruct.ichStraps.padding[j]);
			}
			break;
		} else if (i == 247) {
			fprintf(fp, "    for (i = 0; i < 248; i++) {\n");
			fprintf(fp, "        descriptorStruct.ichStraps.padding[i] = 0xFF;\n");
			fprintf(fp, "    }\n");
			break;
		}
	}
	fprintf(fp, "\n");
	/* MCH straps */
	fprintf(fp, "    /* MCH straps */\n");
	fprintf(fp, "    /* MCHSTRAP0 */\n");
	fprintf(fp, "    descriptorStruct.mchStraps.mchStrap0.meDisable = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.mchStraps.mchStrap0.meDisable);
	fprintf(fp, "    descriptorStruct.mchStraps.mchStrap0.meBootFromFlash = 0x%01x;\n", descriptorStruct.mchStraps.mchStrap0.meBootFromFlash);
	fprintf(fp, "    descriptorStruct.mchStraps.mchStrap0.tpmDisable = 0x%01x; /* see ../descriptor/descriptor.c */\n", descriptorStruct.mchStraps.mchStrap0.tpmDisable);
	fprintf(fp, "    descriptorStruct.mchStraps.mchStrap0.reserved1 = 0x%01x;\n", descriptorStruct.mchStraps.mchStrap0.reserved1);
	fprintf(fp, "    descriptorStruct.mchStraps.mchStrap0.spiFingerprint = 0x%01x;\n", descriptorStruct.mchStraps.mchStrap0.spiFingerprint);
	fprintf(fp, "    descriptorStruct.mchStraps.mchStrap0.meAlternateDisable = 0x%01x;\n", descriptorStruct.mchStraps.mchStrap0.meAlternateDisable);
	fprintf(fp, "    descriptorStruct.mchStraps.mchStrap0.reserved2 = 0x%02x;\n", descriptorStruct.mchStraps.mchStrap0.reserved2);
	fprintf(fp, "    descriptorStruct.mchStraps.mchStrap0.reserved3 = 0x%04x;\n", descriptorStruct.mchStraps.mchStrap0.reserved3);
	fprintf(fp, "    /* Padding */\n");
	for (i = 0; i < 3292; i++) {
		if (descriptorStruct.mchStraps.padding[i] != 0xFF) {
			for (j = 0; j < 3292; j++) {
				fprintf(fp, "    descriptorStruct.mchStraps.padding[%d] = 0x%02x;\n", j, descriptorStruct.mchStraps.padding[j]);
			}
			break;
		} else if (i == 3291) {
			fprintf(fp, "    for (i = 0; i < 3292; i++) {\n");
			fprintf(fp, "        descriptorStruct.mchStraps.padding[i] = 0xFF;\n");
			fprintf(fp, "    }\n");
			break;
		}
	}
	fprintf(fp, "\n");
	/* ME VSCC Table */
	fprintf(fp, "    /* ME VSCC Table */\n");
	fprintf(fp, "    descriptorStruct.meVsccTable.jid0 = 0x%08x;\n", descriptorStruct.meVsccTable.jid0);
	fprintf(fp, "    descriptorStruct.meVsccTable.vscc0 = 0x%08x;\n", descriptorStruct.meVsccTable.vscc0);
	fprintf(fp, "    descriptorStruct.meVsccTable.jid1 = 0x%08x;\n", descriptorStruct.meVsccTable.jid1);
	fprintf(fp, "    descriptorStruct.meVsccTable.vscc1 = 0x%08x;\n", descriptorStruct.meVsccTable.vscc1);
	fprintf(fp, "    descriptorStruct.meVsccTable.jid2 = 0x%08x;\n", descriptorStruct.meVsccTable.jid2);
	fprintf(fp, "    descriptorStruct.meVsccTable.vscc2 = 0x%08x;\n", descriptorStruct.meVsccTable.vscc2);
	fprintf(fp, "    /* Padding */\n");
	for (i = 0; i < 4; i++) {
		if (descriptorStruct.meVsccTable.padding[i] != 0xFF) {
			for (j = 0; j < 4; j++) {
				fprintf(fp, "    descriptorStruct.meVsccTable.padding[%d] = 0x%02x;\n", j, descriptorStruct.meVsccTable.padding[j]);
			}
			break;
		} else if (i == 3) {
			fprintf(fp, "    for (i = 0; i < 4; i++) {\n");
			fprintf(fp, "        descriptorStruct.meVsccTable.padding[i] = 0xFF;\n");
			fprintf(fp, "    }\n");
			break;
		}
	}
	fprintf(fp, "\n");
	/* Descriptor Map 2 Record */
	fprintf(fp, "    /* Descriptor Map 2 Record */\n");
	fprintf(fp, "    descriptorStruct.descriptor2Map.meVsccTableBaseAddress = 0x%02x;\n", descriptorStruct.descriptor2Map.meVsccTableBaseAddress);
	fprintf(fp, "    descriptorStruct.descriptor2Map.meVsccTableLength = 0x%02x;\n", descriptorStruct.descriptor2Map.meVsccTableLength);
	fprintf(fp, "    descriptorStruct.descriptor2Map.reserved = 0x%04x;\n", descriptorStruct.descriptor2Map.reserved);
	fprintf(fp, "\n");
	/* OEM section */
	fprintf(fp, "    /* OEM section */\n");
	fprintf(fp, "    /* see ../descriptor/descriptor.c */\n");
	fprintf(fp, "    /* Magic String (ascii characters) */\n");
	for(i = 0; i < 8; i++) {
		fprintf(fp, "    descriptorStruct.oemSection.magicString[%d] = 0x%02x;\n", i, descriptorStruct.oemSection.magicString[i]);
	}
	fprintf(fp, "    /* Padding */\n");
	for (i = 0; i < 248; i++) {
		if (descriptorStruct.oemSection.padding[i] != 0xFF) {
			for (j = 0; j < 248; j++) {
				fprintf(fp, "    descriptorStruct.oemSection.padding[%d] = 0x%02x;\n", j, descriptorStruct.oemSection.padding[j]);
			}
			break;
		} else if (i == 247) {
			fprintf(fp, "    for (i = 0; i < 248; i++) {\n");
			fprintf(fp, "        descriptorStruct.oemSection.padding[i] = 0xFF;\n");
			fprintf(fp, "    }\n");
			break;
		}
	}
	fprintf(fp, "\n");
	fprintf(fp, "    return descriptorStruct;\n");
	fprintf(fp, "}\n\n");

	/* ------------------------------ */

	fclose(fp); /* Always close the file when done. */

	return 0;
}

/*
 * ---------------------------------------------------------------------
 * Debugging functions:
 * ---------------------------------------------------------------------
 */

/*
 * show debugging info: descriptor region boundaries, in a 4KB struct.
 */
void printDescriptorRegionLocations(struct DESCRIPTORREGIONRECORD descriptorStruct, char* romName)
{
	printf("\n");

	/* Descriptor region */
	printf(
		"%s: Descriptor start block: %08x ; Descriptor end block: %08x\n",
		romName,
		descriptorStruct.regionSection.flReg0.BASE << FLREGIONBITSHIFT,
		descriptorStruct.regionSection.flReg0.LIMIT << FLREGIONBITSHIFT
	);

	/* 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
	);

	/* Platform region */
	printf(
		"%s: Platform start block: %08x ; Platform end block: %08x\n",
		romName,
		descriptorStruct.regionSection.flReg4.BASE << FLREGIONBITSHIFT,
		descriptorStruct.regionSection.flReg4.LIMIT << FLREGIONBITSHIFT
	);

	return;
}


code:
/*
 *  descriptor/descriptor.h
 *  This file is part of the ich9deblob utility from the libreboot project
 *
 *  Copyright (C) 2014, 2015 Leah Rowe <info@minifree.org>
 *  Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
 *
 *  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/>.
 */

/*
 * Purpose: provide struct representing descriptor region.
 * Map actual buffers of this regions, directly to instances of these
 * structs. This makes working with descriptor really easy.
 *
 * bit fields used, corresponding to datasheet. See links to datasheets
 * and documentation in ich9deblob.c
 */

/*
 * See docs/hcl/x200_remove_me.html for info plus links to datasheet (also linked below)
 *
 * Info about flash descriptor (read page 845 onwards):
 * http://www.intel.co.uk/content/dam/doc/datasheet/io-controller-hub-9-datasheet.pdf
 */

#ifndef DESCRIPTORSTRUCT_H
#define DESCRIPTORSTRUCT_H

#include <stdio.h>
#include <string.h>
#include <stdint.h>
#include "../gbe/gbe.h" /* Needed for GBEREGIONSIZE_4K/8K define */

/* size of the descriptor in bytes */
#define DESCRIPTORREGIONSIZE 0x1000

/* ROM image sizes in bytes */
#define ROMSIZE_512KB 0x80000
#define ROMSIZE_1MB 0x100000
#define ROMSIZE_2MB 0x200000
#define ROMSIZE_4MB 0x400000
#define ROMSIZE_8MB 0x800000
#define ROMSIZE_16MB 0x1000000

/*
 * Related to the flash descriptor
 * bits 12(0xC)-24(0x18) are represented for words found in the flash descriptor
 * To manipulate these easily in C, we shift them by FLREGIONBITSHIFT and then shift them back when done
 * (because this is how data is stored in the flash descriptor)
 */
#define FLREGIONBITSHIFT 0xC

/*
 * ---------------------------------------------------------------------
 * Descriptor struct representing the data
 * ---------------------------------------------------------------------
 */

/* Flash Valid Signature Register */
struct FLVALSIG
{
	/*
	 * 4 bytes.
	 * descriptor mode = 0FF0A55A (hex, big endian). Note: stored in ROM in little endian order.
	 * Anything else is considered invalid and will put the system in non-descriptor mode.
	 */
	uint32_t signature; /* Put 0x0FF0A55A here. confirmed in deblobbed_descriptor.bin */
};

/*  */
struct FLMAP0
{
	/* least signicant bits */
	uint8_t FCBA                      : 8;
	uint8_t NC                        : 2;
	uint8_t reserved1                 : 6;
	uint8_t FRBA                      : 8;
	uint8_t NR                        : 3;
	uint8_t reserved2                 : 5;
	/* most significant bits. */
};

struct FLMAP1
{
	/* least significant bits */
	uint8_t FMBA                      : 8;
	uint8_t NM                        : 3;
	uint8_t reserved                  : 5;
	uint8_t FISBA                     : 8;
	uint8_t ISL                       : 8;
	/* most significant bits */
};

struct FLMAP2
{
	/* least significant bits */
	uint8_t FMSBA                     : 8;
	uint8_t MSL                       : 8;
	uint16_t reserved                 : 16;
	/* most significant bits */
};

/* Flash Map Registers */
struct FLMAPS
{
	struct FLMAP0 flMap0;
	struct FLMAP1 flMap1;
	struct FLMAP2 flMap2;
};

/* Flash Components Register */
struct FLCOMP
{
	/* least significant bits */
	uint8_t component1Density         : 3;
	uint8_t component2Density         : 3;
	uint8_t reserved1                 : 2;
	uint8_t reserved2                 : 8;
	uint8_t reserved3                 : 1;
	uint8_t readClockFrequency        : 3;
	uint8_t fastReadSupport           : 1;
	uint8_t fastreadClockFrequency    : 3;
	uint8_t writeEraseClockFrequency  : 3;
	uint8_t readStatusClockFrequency  : 3;
	uint8_t reserved4                 : 2;
	/* most significant bits */
};

struct COMPONENTSECTIONRECORD
{
	struct FLCOMP flcomp;
	uint32_t flill;
	uint32_t flpb;
	uint8_t padding[36];
};

struct FLREG
{
	/* least significant bits */
	uint16_t BASE                     : 13;
	uint16_t reserved1                : 3;
	uint16_t LIMIT                    : 13;
	uint16_t reserved2                : 3;
	/* most significant bits */
};

/* Flash Descriptor Region Section */
/*
 * Defines where all the regions begin/end.
 * This is very important for disabling ME/AMT
 */
struct REGIONSECTIONRECORD
{
	struct FLREG flReg0;                         /*  Descriptor */
	struct FLREG flReg1;                         /*  BIOS       */
	struct FLREG flReg2;                         /*  ME         */
	struct FLREG flReg3;                         /*  Gbe        */
	struct FLREG flReg4;                         /*  Platform   */
	uint8_t padding[12];
};

struct FLMSTR
{
	/* least significant bits */
   uint16_t requesterId              : 16;
	uint8_t fdRegionReadAccess        : 1;
	uint8_t biosRegionReadAccess      : 1;
	uint8_t meRegionReadAccess        : 1;
	uint8_t gbeRegionReadAccess       : 1;
	uint8_t pdRegionReadAccess        : 1;
	uint8_t reserved1                 : 3; /* Must be zero, according to datasheet */
	uint8_t fdRegionWriteAccess       : 1;
	uint8_t biosRegionWriteAccess     : 1;
	uint8_t meRegionWriteAccess       : 1;
	uint8_t gbeRegionWriteAccess      : 1;
	uint8_t pdRegionWriteAccess       : 1;
	uint8_t reserved2                 : 3; /* Must be zero, according to datasheet */
	/* most significant bits */
};

/* Master Access Section */
struct MASTERACCESSSECTIONRECORD
{
	struct FLMSTR flMstr1;                       /* Flash Master 1 (Host CPU / BIOS) */
	struct FLMSTR flMstr2;                       /* Flash Master 2 (ME) */
	struct FLMSTR flMstr3;                       /* Flash Master 3 (Gbe) */
	uint8_t padding[148];
};

struct ICHSTRAP0
{
	/* least significant bits */
	                                             /* todo: add MeSmBus2Sel (boring setting) */
	uint8_t meDisable                 : 1; /* If true, ME is disabled. */
	uint8_t reserved1                 : 6;
	uint8_t tcoMode                   : 1; /* TCO Mode: (Legacy,TCO Mode) The TCO Mode, along with the BMCMODE strap, determines the behavior of the IAMT SmBus controller. */
	uint8_t smBusAddress              : 7; /* The ME SmBus 7-bit address. */
	uint8_t bmcMode                   : 1; /* BMC mode: If true, device is in BMC mode.  If Intel(R) AMT or ASF using Intel integrated LAN then this should be false. */
	uint8_t tripPointSelect           : 1; /* Trip Point Select: false the NJCLK input buffer is matched to 3.3v signal from the external PHY device, true is matched to 1.8v. */
	uint8_t reserved2                 : 2;
	uint8_t integratedGbe             : 1; /* Integrated GbE or PCI Express select: (PCI Express,,Integrated GbE) Defines what PCIe Port 6 is used for. */
	uint8_t lanPhy                    : 1; /* LANPHYPC_GP12_SEL: Set to 0 for GP12 to be used as GPIO (General Purpose Input/Output), or 1 for GP12 to be used for native mode as LAN_PHYPC for 82566 LCD device */
	uint8_t reserved3                 : 3;
	uint8_t dmiRequesterId            : 1; /* DMI requestor ID security check disable: The primary purpose of this strap is to support server environments with multiple CPUs that each have a different RequesterID that can access the Flash. */
	uint8_t smBus2Address             : 7; /* The ME SmBus 2 7-bit address. */
	/* most significant bits */
};

struct ICHSTRAP1
{
	/* least significant bits */
	uint8_t northMlink                : 1;  /* North MLink Dynamic Clock Gate Disable : Sets the default value for the South MLink Dynamic Clock Gate Enable registers. */
	uint8_t southMlink                : 1;  /* South MLink Dynamic Clock Gate Enable : Sets the default value for the South MLink Dynamic Clock Gate Enable registers. */
	uint8_t meSmbus                   : 1;  /* ME SmBus Dynamic Clock Gate Enable : Sets the default value for the ME SMBus Dynamic Clock Gate Enable for both the ME SmBus controllers. */
	uint8_t sstDynamic                : 1;  /* SST Dynamic Clock Gate Enable : Sets the default value for the SST Clock Gate Enable registers. */
	uint8_t reserved1                 : 4;
	uint8_t northMlink2               : 1;  /* North MLink 2 Non-Posted Enable : 'true':North MLink supports two downstream non-posted requests. 'false':North MLink supports one downstream non-posted requests. */
	uint8_t reserved2                 : 7;
	uint16_t reserved3                : 16;
	/* most significant bits */
};

/* ICH straps */
struct ICHSTRAPSRECORD
{
	struct ICHSTRAP0 ichStrap0;
	struct ICHSTRAP1 ichStrap1;
	uint8_t padding[248];
};

struct MCHSTRAP0
{
	/* least significant bits */
	uint8_t meDisable                 : 1;  /* If true, ME is disabled. */
	uint8_t meBootFromFlash           : 1;  /* ME boot from Flash - guessed location */
	uint8_t tpmDisable                : 1;  /* iTPM Disable : When set true, iTPM Host Interface is disabled. When set false (default), iTPM is enabled. */
	uint8_t reserved1                 : 3;
	uint8_t spiFingerprint            : 1;  /* SPI Fingerprint Sensor Present: Indicates if an SPI Fingerprint sensor is present at CS#1. */
	uint8_t meAlternateDisable        : 1;  /* ME Alternate Disable: Setting this bit allows ME to perform critical chipset functions but prevents loading of any ME FW applications. */
	uint8_t reserved2                 : 8;
	uint16_t reserved3                : 16;
	/* most significant bits */
};

/* MCH straps */
struct MCHSTRAPSRECORD
{
	struct MCHSTRAP0 mchStrap0;
	uint8_t padding[3292];
};

/* ME VSCC Table */
struct MEVSCCTABLERECORD
{
	uint32_t jid0;
	uint32_t vscc0;
	uint32_t jid1;
	uint32_t vscc1;
	uint32_t jid2;
	uint32_t vscc2;
	uint8_t padding[4];
};

/* Descriptor Map 2 Record */
struct DESCRIPTORMAP2RECORD
{
	/* least significant bits */
	uint8_t meVsccTableBaseAddress    : 8;
	uint8_t meVsccTableLength         : 8;
	uint16_t reserved                 : 16;
	/* most significant bits */
};

/* OEM section */
struct OEMSECTIONRECORD
{
	uint8_t magicString[8];
	uint8_t padding[248];
};

/* 4KiB descriptor region, goes at the beginning of the ROM image */
struct DESCRIPTORREGIONRECORD
{
	struct FLVALSIG flValSig;                                   /* Flash Valid Signature Register */
	struct FLMAPS flMaps;                                       /* Flash Map Registers */
	struct COMPONENTSECTIONRECORD componentSection;             /* Component Section Record */
	struct REGIONSECTIONRECORD regionSection;                   /* Flash Descriptor Region Section */
	struct MASTERACCESSSECTIONRECORD masterAccessSection;       /* Master Access Section */
	struct ICHSTRAPSRECORD ichStraps;                           /* ICH straps */
	struct MCHSTRAPSRECORD mchStraps;                           /* MCH straps */
	struct MEVSCCTABLERECORD meVsccTable;                       /* ME VSCC Table */
	struct DESCRIPTORMAP2RECORD descriptor2Map;                 /* Descriptor Map 2 Record */
	struct OEMSECTIONRECORD oemSection;                         /* OEM section */
};

/*
 * ---------------------------------------------------------------------
 * Function declarations (keep gcc/make happy. check them in descriptor.c)
 * ---------------------------------------------------------------------
 */

struct DESCRIPTORREGIONRECORD descriptorHostRegionsUnlocked(struct DESCRIPTORREGIONRECORD descriptorStruct);
struct DESCRIPTORREGIONRECORD descriptorMeRegionsForbidden(struct DESCRIPTORREGIONRECORD descriptorStruct);
struct DESCRIPTORREGIONRECORD descriptorMeRegionRemoved(struct DESCRIPTORREGIONRECORD descriptorStruct);
struct DESCRIPTORREGIONRECORD descriptorPlatformRegionRemoved(struct DESCRIPTORREGIONRECORD descriptorStruct);
struct DESCRIPTORREGIONRECORD descriptorDisableMe(struct DESCRIPTORREGIONRECORD descriptorStruct);
struct DESCRIPTORREGIONRECORD descriptorDisableTpm(struct DESCRIPTORREGIONRECORD descriptorStruct);
struct DESCRIPTORREGIONRECORD descriptorMoveGbeToStart(struct DESCRIPTORREGIONRECORD descriptorStruct);
struct DESCRIPTORREGIONRECORD descriptorGbeRegionRemoved(struct DESCRIPTORREGIONRECORD descriptorStruct);
struct DESCRIPTORREGIONRECORD descriptorBiosRegionFillImageAfterGbe(struct DESCRIPTORREGIONRECORD descriptorStruct, unsigned int romSize);
struct DESCRIPTORREGIONRECORD descriptorBiosRegionFillImageAfterDescriptor(struct DESCRIPTORREGIONRECORD descriptorStruct, unsigned int romSize);
struct DESCRIPTORREGIONRECORD descriptorOemString(struct DESCRIPTORREGIONRECORD descriptorStruct);
int descriptorDefinesGbeRegion(struct DESCRIPTORREGIONRECORD descriptorStruct);
struct DESCRIPTORREGIONRECORD librebootSetGbeBiosDescriptorRegions(struct DESCRIPTORREGIONRECORD descriptorStruct, unsigned int romSize);
uint8_t componentDensity(unsigned int romSizeInBytes);
struct DESCRIPTORREGIONRECORD librebootDescriptorStructFromFactory(struct DESCRIPTORREGIONRECORD descriptorStruct, unsigned int romSize);
int notCreatedHFileForDescriptorCFile(char* outFileName, char* cFileName);
int notCreatedCFileFromDescriptorStruct(struct DESCRIPTORREGIONRECORD descriptorStruct, char* outFileName, char* headerFileName);
void printDescriptorRegionLocations(struct DESCRIPTORREGIONRECORD descriptorStruct, char* romName);

#endif

repo_name: libreboot/obsolete

license: mit


code:
/*
 *  gbe/gbe.c
 *  This file is part of the ich9deblob utility from the libreboot project
 *
 *  Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
 *                     Leah Rowe <info@minifree.org>
 *
 *  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:
 * ---------------------------------------------------------------------
 */

/* gbe checksum calculation (algorithm based on datasheet) */
uint16_t gbeGetChecksumFrom4kBuffer(uint16_t* gbeWord, uint16_t desiredValue, int gbeRegionBase)
{
	int wordOffset;
	uint16_t total = 0;

	for (wordOffset = 0; wordOffset < 0x3F; wordOffset++)
		total += gbeWord[wordOffset + (gbeRegionBase>>1)];

	return desiredValue - total;
}

/* checksum calculation for 4k gbe struct (algorithm based on datasheet) */
uint16_t gbeGetChecksumFrom4kStruct(struct GBEREGIONRECORD_4K gbeStruct4k, uint16_t desiredValue)
{
	return gbeGetChecksumFrom4kBuffer((uint16_t*)&gbeStruct4k, desiredValue, 0);
}

/* modify the gbe region extracted from a factory.rom dump */
struct GBEREGIONRECORD_8K deblobbedGbeStructFromFactory(struct GBEREGIONRECORD_8K gbeStruct8k)
{
	unsigned int i;

	/*
	 * http://www.intel.co.uk/content/dam/doc/application-note/82573-nvm-map-appl-note.pdf
	 * That is a datasheet for a later chipset. Word 40H-53H seems (as per this datasheet) to be for AMT.
	 * Writing over it doesn't seem to cause any harm, since the ME/AMT is already removed in libreboot.
	 */
	for(i = 0; i < sizeof(gbeStruct8k.backup.padding); i++) {
		gbeStruct8k.backup.padding[i] = 0xFF; /* FF is correct. In the struct, this is a char buffer. */
	} /* We really only need to do this for words 40h-53h, but let's just nuke the whole lot. It's all 0xFF anyway. */

	/* Fix the checksum */
	gbeStruct8k.backup.checkSum = gbeGetChecksumFrom4kStruct(gbeStruct8k.backup, GBECHECKSUMTOTAL);

	/* Main Gbe region on X200 (as shipped by Lenovo) is broken. Fix it by over-writing it with the contents of the backup */
	memcpy(&gbeStruct8k.main, &gbeStruct8k.backup, GBEREGIONSIZE_4K);

	return gbeStruct8k;
}

/*
 * ---------------------------------------------------------------------
 * C code generator (self-writing code)
 * ---------------------------------------------------------------------
 */

/*
 * Generate a C (.h) header file for the C source file made by notCreatedCFileFromGbeStruct4k()
 *
 * Output it to a file.
 */
int notCreatedHFileForGbeCFile(char* outFileName, char* cFileName)
{
	remove(outFileName); /* Remove the old file before continuing */

	/* Open the file that will be written to */
	FILE* fp = fopen(outFileName, "w+");

	/* ------------------------------ */

	fprintf(fp, "/* %s: generated C code from ich9deblob */\n", outFileName);
	fprintf(fp, "/* .h header file for the gbe-generating C code (%s) */\n\n", cFileName);

	fprintf(fp, "#ifndef ICH9GEN_MKGBE_H\n");
	fprintf(fp, "#define ICH9GEN_MKGBE_H\n\n");

	fprintf(fp, "#include <stdio.h>\n");
	fprintf(fp, "#include <string.h>\n");
	fprintf(fp, "#include \"../gbe/gbe.h\"\n\n");

	fprintf(fp, "struct GBEREGIONRECORD_4K generatedGbeStruct4k();\n");
	fprintf(fp, "struct GBEREGIONRECORD_8K generatedGbeStruct8k();\n\n");

	fprintf(fp, "#endif\n");

	/* ------------------------------ */

	fclose(fp); /* Always close the file when done. */

	return 0;
}
/*
 * Generate a C source file that initializes the same data from a given
 * 4KiB Gbe data structure.
 *
 * It will simply copy the 4KiB struct at the end to make a full 8KiB struct.
 * So just pass a working 4KiB Gbe struct here and you're good to go.
 *
 * Output it to a file.
 */
int notCreatedCFileFromGbeStruct4k(struct GBEREGIONRECORD_4K gbeStruct4k, char* outFileName, char* headerFileName)
{
	int i;
	int paddingSize;
	int paddingIdentical;

	remove(outFileName); /* Remove the old file before continuing */

	/* Open the file that will be written to */
	FILE* fp = fopen(outFileName, "w+");

	/* ------------------------------ */

	fprintf(fp, "/* %s: generated C code from ich9deblob */\n", outFileName);
	fprintf(fp, "/* .c source file for the gbe-generating C code */\n\n");

	fprintf(fp, "#include \"%s\"\n\n", headerFileName);

	fprintf(fp, "/* Generate a 4KiB Gbe struct, with default values. */\n");
	fprintf(fp, "/* Read ../gbe/gbe.h for an explanation of the default values used here */\n\n");

	fprintf(fp, "struct GBEREGIONRECORD_4K generatedGbeStruct4k()\n");
	fprintf(fp, "{\n");
	fprintf(fp, "    int i;\n");
	fprintf(fp, "    struct GBEREGIONRECORD_4K gbeStruct4k;\n");
	fprintf(fp, "\n");
	/* Words 00h to 02h: MAC Address */
	fprintf(fp, "    /* MAC address (words 00h to 02h) */\n");
	fprintf(fp, "    /* see ../gbe/gbe.c */\n");
	for (i = 0; i < 6; i++) {
		fprintf(fp, "    gbeStruct4k.macAddress[%d] = 0x%02x;\n", i, gbeStruct4k.macAddress[i]);
	}
	fprintf(fp, "\n");
	/* Word 03h (Reserved) */
	fprintf(fp, "    /* Word 03h (Reserved) */\n");
	fprintf(fp, "    gbeStruct4k.reservedWord03h.reserved1_0 = 0x%02x;\n", gbeStruct4k.reservedWord03h.reserved1_0);
	fprintf(fp, "    gbeStruct4k.reservedWord03h.reserved1_1 = 0x%01x;\n", gbeStruct4k.reservedWord03h.reserved1_1);
	fprintf(fp, "    gbeStruct4k.reservedWord03h.ibaLom = 0x%01x;\n", gbeStruct4k.reservedWord03h.ibaLom);
	fprintf(fp, "    gbeStruct4k.reservedWord03h.reserved2 = 0x%01x;\n", gbeStruct4k.reservedWord03h.reserved2);
	fprintf(fp, "\n");
	/* Word 04h (Reserved) */
	fprintf(fp, "    /* Word 04h (Reserved) */\n");
	fprintf(fp, "    gbeStruct4k.reservedWord04h = 0x%04x;\n", gbeStruct4k.reservedWord04h);
	fprintf(fp, "\n");
	/* Word 05h (Image Version Information) */
	fprintf(fp, "    /* Word 05h (Image Version Information) */\n");
	fprintf(fp, "    gbeStruct4k.imageVersionInformation = 0x%04x;\n", gbeStruct4k.imageVersionInformation);
	fprintf(fp, "\n");
	/* Words 06h and 07h (Reserved) */
	fprintf(fp, "    /* Words 06h and 07h (Reserved) */\n");
	for (i = 0; i < 2; i++) {
		fprintf(fp, "    gbeStruct4k.reservedWords06h07h[%d] = 0x%04x;\n", i, gbeStruct4k.reservedWords06h07h[i]);
	}
	fprintf(fp, "\n");
	/* Words 08h and 09h (PBA Low and PBA High) */
	fprintf(fp, "    /* Word 08h and 09h (PBA Low and PBA High) */\n");
	fprintf(fp, "    gbeStruct4k.pbaLow = 0x%04x;\n", gbeStruct4k.pbaLow);
	fprintf(fp, "    gbeStruct4k.pbaHigh = 0x%04x;\n", gbeStruct4k.pbaHigh);
	fprintf(fp, "\n");
	/* Word 0Ah (PCI Initialization Control Word) */
	fprintf(fp, "    /* Word 0Ah (PCI Initialization Control Word) */\n");
	fprintf(fp, "    gbeStruct4k.pciInitializationControlWord.loadVendorDeviceId = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.loadVendorDeviceId);
	fprintf(fp, "    gbeStruct4k.pciInitializationControlWord.loadSubsystemId = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.loadSubsystemId);
	fprintf(fp, "    gbeStruct4k.pciInitializationControlWord.reserved1 = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.reserved1);
	fprintf(fp, "    gbeStruct4k.pciInitializationControlWord.reserved2 = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.reserved2);
	fprintf(fp, "    gbeStruct4k.pciInitializationControlWord.pmEnable = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.pmEnable);
	fprintf(fp, "    gbeStruct4k.pciInitializationControlWord.auxPwr = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.auxPwr);
	fprintf(fp, "    gbeStruct4k.pciInitializationControlWord.reserved3 = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.reserved3);
	fprintf(fp, "    gbeStruct4k.pciInitializationControlWord.reserved4 = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.reserved4);
	fprintf(fp, "\n");
	/* Word 0Bh (Subsystem ID) */
	fprintf(fp, "    /* Word 0Bh (Subsystem ID) */\n");
	fprintf(fp, "    gbeStruct4k.subsystemId = 0x%04x;\n", gbeStruct4k.subsystemId);
	fprintf(fp, "\n");
	/* Word 0Ch (Subsystem Vendor ID) */
	fprintf(fp, "    /* Word 0Ch (Subsystem Vendor ID) */\n");
	fprintf(fp, "    gbeStruct4k.subsystemVendorId = 0x%04x;\n", gbeStruct4k.subsystemVendorId);
	fprintf(fp, "\n");
	/* Word 0Dh (Device ID) */
	fprintf(fp, "    /* Word 0Dh (Device ID) */\n");
	fprintf(fp, "    gbeStruct4k.deviceId = 0x%04x;\n", gbeStruct4k.deviceId);
	fprintf(fp, "\n");
	/* Word 0Eh (Vendor ID) */
	fprintf(fp, "    /* Word 0Eh (Vendor ID) */\n");
	fprintf(fp, "    gbeStruct4k.vendorId = 0x%04x;\n", gbeStruct4k.vendorId);
	fprintf(fp, "\n");
	/* Word 0Fh (Device Revision ID) */
	fprintf(fp, "    /* Word 0Fh (Device Revision ID) */\n");
	fprintf(fp, "    gbeStruct4k.deviceRevId = 0x%04x;\n", gbeStruct4k.deviceRevId);
	fprintf(fp, "\n");
	/* Word 10h (LAN Power Consumption) */
	fprintf(fp, "    /* Word 10h (LAN Power Consumption) */\n");
	fprintf(fp, "    gbeStruct4k.lanPowerConsumption.lanD3Power = 0x%02x;\n", gbeStruct4k.lanPowerConsumption.lanD3Power);
	fprintf(fp, "    gbeStruct4k.lanPowerConsumption.reserved = 0x%01x;\n", gbeStruct4k.lanPowerConsumption.reserved);
	fprintf(fp, "    gbeStruct4k.lanPowerConsumption.lanD0Power = 0x%02x;\n", gbeStruct4k.lanPowerConsumption.lanD0Power);
	fprintf(fp, "\n");
	/* Words 11h and 12h (Reserved) */
	fprintf(fp, "    /* Words 11h and 12h (Reserved) */\n");
	for (i = 0; i < 2; i++) {
		fprintf(fp, "    gbeStruct4k.reservedWords11h12h[%d] = 0x%04x;\n", i, gbeStruct4k.reservedWords11h12h[i]);
	}
	fprintf(fp, "\n");
	/* Word 13h (Shared Initialization Control Word) */
	fprintf(fp, "    /* Word 13h (Shared Initialization Control Word) */\n");
	fprintf(fp, "    gbeStruct4k.sharedInitializationControlWord.reserved1 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved1);
	fprintf(fp, "    gbeStruct4k.sharedInitializationControlWord.forceDuplex = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.forceDuplex);
	fprintf(fp, "    gbeStruct4k.sharedInitializationControlWord.forceSpeedEnable = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.forceSpeedEnable);
	fprintf(fp, "    gbeStruct4k.sharedInitializationControlWord.reserved2_0 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved2_0);
	fprintf(fp, "    gbeStruct4k.sharedInitializationControlWord.reserved2_1 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved2_1);
	fprintf(fp, "    gbeStruct4k.sharedInitializationControlWord.phyPowerDownEnable = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.phyPowerDownEnable);
	fprintf(fp, "    gbeStruct4k.sharedInitializationControlWord.reserved3 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved3);
	fprintf(fp, "    gbeStruct4k.sharedInitializationControlWord.reserved4 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved4);
	fprintf(fp, "    gbeStruct4k.sharedInitializationControlWord.sign = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.sign);
	fprintf(fp, "\n");
	/* Word 14h (Extended Configuration Control Word 1) */
	fprintf(fp, "    /* Word 14h (Extended Configuration Control Word 1) */\n");
	fprintf(fp, "    gbeStruct4k.extendedConfigurationControlWord1.extendedConfigurationPointer = 0x%03x;\n", gbeStruct4k.extendedConfigurationControlWord1.extendedConfigurationPointer);
	fprintf(fp, "    gbeStruct4k.extendedConfigurationControlWord1.oemWriteEnable = 0x%01x;\n", gbeStruct4k.extendedConfigurationControlWord1.oemWriteEnable);
	fprintf(fp, "    gbeStruct4k.extendedConfigurationControlWord1.reserved1 = 0x%01x;\n", gbeStruct4k.extendedConfigurationControlWord1.reserved1);
	fprintf(fp, "    gbeStruct4k.extendedConfigurationControlWord1.reserved2 = 0x%01x;\n", gbeStruct4k.extendedConfigurationControlWord1.reserved2);
	fprintf(fp, "    gbeStruct4k.extendedConfigurationControlWord1.reserved3 = 0x%01x;\n", gbeStruct4k.extendedConfigurationControlWord1.reserved3);
	fprintf(fp, "\n");
	/* Word 15h (Extended Configuration Control Word 2) */
	fprintf(fp, "    /* Word 15h (Extended Configuration Control Word 2) */\n");
	fprintf(fp, "    gbeStruct4k.extendedConfigurationControlWord2.reserved = 0x%02x;\n", gbeStruct4k.extendedConfigurationControlWord2.reserved);
	fprintf(fp, "    gbeStruct4k.extendedConfigurationControlWord2.extendedPhyLength = 0x%02x;\n", gbeStruct4k.extendedConfigurationControlWord2.extendedPhyLength);
	fprintf(fp, "\n");
	/* Word 16h (Extended Configuration Control Word 3) */
	fprintf(fp, "    /* Word 16h (Extended Configuration Control Word 3) */\n");
	fprintf(fp, "    gbeStruct4k.extendedConfigurationControlWord3 = 0x%04x;\n", gbeStruct4k.extendedConfigurationControlWord3);
	fprintf(fp, "\n");
	/* Word 17h (LED 1 Configuration and Power Management) */
	fprintf(fp, "    /* Word 17h (LED 1 Configuration and Power Management) */\n");
	fprintf(fp, "    gbeStruct4k.ledCtl1.led1Mode = 0x%01x;\n", gbeStruct4k.ledCtl1.led1Mode);
	fprintf(fp, "    gbeStruct4k.ledCtl1.reserved1 = 0x%01x;\n", gbeStruct4k.ledCtl1.reserved1);
	fprintf(fp, "    gbeStruct4k.ledCtl1.led1BlinkMode = 0x%01x;\n", gbeStruct4k.ledCtl1.led1BlinkMode);
	fprintf(fp, "    gbeStruct4k.ledCtl1.led1Invert = 0x%01x;\n", gbeStruct4k.ledCtl1.led1Invert);
	fprintf(fp, "    gbeStruct4k.ledCtl1.led1Blink = 0x%01x;\n", gbeStruct4k.ledCtl1.led1Blink);
	fprintf(fp, "    gbeStruct4k.ledCtl1.reserved2 = 0x%01x;\n", gbeStruct4k.ledCtl1.reserved2);
	fprintf(fp, "    gbeStruct4k.ledCtl1.lpluEnable = 0x%01x;\n", gbeStruct4k.ledCtl1.lpluEnable);
	fprintf(fp, "    gbeStruct4k.ledCtl1.lpluEnableNonD0a = 0x%01x;\n", gbeStruct4k.ledCtl1.lpluEnableNonD0a);
	fprintf(fp, "    gbeStruct4k.ledCtl1.gbeDisableNonD0a = 0x%01x;\n", gbeStruct4k.ledCtl1.gbeDisableNonD0a);
	fprintf(fp, "    gbeStruct4k.ledCtl1.reserved3 = 0x%01x;\n", gbeStruct4k.ledCtl1.reserved3);
	fprintf(fp, "    gbeStruct4k.ledCtl1.gbeDisable = 0x%01x;\n", gbeStruct4k.ledCtl1.gbeDisable);
	fprintf(fp, "    gbeStruct4k.ledCtl1.reserved4 = 0x%01x;\n", gbeStruct4k.ledCtl1.reserved4);
	fprintf(fp, "\n");
	/* Word 18h (LED 0 and 2 Configuration Defaults) */
	fprintf(fp, "    /* Word 18h (LED 0 and 2 Configuration Defaults) */\n");
	fprintf(fp, "    gbeStruct4k.ledCtl02.led0Mode = 0x%01x;\n", gbeStruct4k.ledCtl02.led0Mode);
	fprintf(fp, "    gbeStruct4k.ledCtl02.reserved1 = 0x%01x;\n", gbeStruct4k.ledCtl02.reserved1);
	fprintf(fp, "    gbeStruct4k.ledCtl02.led0BlinkMode = 0x%01x;\n", gbeStruct4k.ledCtl02.led0BlinkMode);
	fprintf(fp, "    gbeStruct4k.ledCtl02.led0Invert = 0x%01x;\n", gbeStruct4k.ledCtl02.led0Invert);
	fprintf(fp, "    gbeStruct4k.ledCtl02.led0Blink = 0x%01x;\n", gbeStruct4k.ledCtl02.led0Blink);
	fprintf(fp, "    gbeStruct4k.ledCtl02.led2Mode = 0x%01x;\n", gbeStruct4k.ledCtl02.led2Mode);
	fprintf(fp, "    gbeStruct4k.ledCtl02.reserved2 = 0x%01x;\n", gbeStruct4k.ledCtl02.reserved2);
	fprintf(fp, "    gbeStruct4k.ledCtl02.led2BlinkMode = 0x%01x;\n", gbeStruct4k.ledCtl02.led2BlinkMode);
	fprintf(fp, "    gbeStruct4k.ledCtl02.led2Invert = 0x%01x;\n", gbeStruct4k.ledCtl02.led2Invert);
	fprintf(fp, "    gbeStruct4k.ledCtl02.led2Blink = 0x%01x;\n", gbeStruct4k.ledCtl02.led2Blink);
	fprintf(fp, "\n");
	/* Word 19h (Reserved) */
	fprintf(fp, "    /* Word 19h (Reserved) */\n");
	fprintf(fp, "    gbeStruct4k.reservedWord19h = 0x%04x;\n", gbeStruct4k.reservedWord19h);
	fprintf(fp, "\n");
	/* Word 1Ah (Reserved) */
	fprintf(fp, "    /* Word 1Ah (Reserved) */\n");
	fprintf(fp, "    gbeStruct4k.reservedWord1Ah = 0x%04x;\n", gbeStruct4k.reservedWord1Ah);
	fprintf(fp, "\n");
	/* Word 1Bh (Reserved) */
	fprintf(fp, "    /* Word 1Bh (Reserved) */\n");
	fprintf(fp, "    gbeStruct4k.reservedWord1Bh = 0x%04x;\n", gbeStruct4k.reservedWord1Bh);
	fprintf(fp, "\n");
	/* Word 1Ch (Reserved) */
	fprintf(fp, "    /* Word 1Ch (Reserved) */\n");
	fprintf(fp, "    gbeStruct4k.reservedWord1Ch = 0x%04x;\n", gbeStruct4k.reservedWord1Ch);
	fprintf(fp, "\n");
	/* Word 1Dh (Reserved) */
	fprintf(fp, "    /* Word 1Dh (Reserved) */\n");
	fprintf(fp, "    gbeStruct4k.reservedWord1Dh = 0x%04x;\n", gbeStruct4k.reservedWord1Dh);
	fprintf(fp, "\n");
	/* Word 1Eh (Device ID for Intel 82567LM gigabit ethernet controller) */
	fprintf(fp, "    /* Word 1Eh (Device ID for Intel 82567LM gigabit ethernet controller) */\n");
	fprintf(fp, "    gbeStruct4k._82567lmDeviceId = 0x%04x;\n", gbeStruct4k._82567lmDeviceId);
	fprintf(fp, "\n");
	/* Word 1Fh (Device ID for Intel 82567LF gigabit ethernet controller) */
	fprintf(fp, "    /* Word 1Fh (Device ID for Intel 82567LF gigabit ethernet controller) */\n");
	fprintf(fp, "    gbeStruct4k._82567lfDeviceId = 0x%04x;\n", gbeStruct4k._82567lfDeviceId);
	fprintf(fp, "\n");
	/* Word 20h (Reserved) */
	fprintf(fp, "    /* Word 20h (Reserved) */\n");
	fprintf(fp, "    gbeStruct4k.reservedWord20h = 0x%04x;\n", gbeStruct4k.reservedWord20h);
	fprintf(fp, "\n");
	/* Word 21h (Device ID for Intel 82567V gigabit ethernet controller) */
	fprintf(fp, "    /* Word 21h (Device ID for Intel 82567V gigabit ethernet controller) */\n");
	fprintf(fp, "    gbeStruct4k._82567vDeviceId = 0x%04x;\n", gbeStruct4k._82567vDeviceId);
	fprintf(fp, "\n");
	/* Word 22h (Reserved) */
	fprintf(fp, "    /* Word 22h (Reserved) */\n");
	fprintf(fp, "    gbeStruct4k.reservedWord22h = 0x%04x;\n", gbeStruct4k.reservedWord22h);
	fprintf(fp, "\n");
	/* Word 23h (Reserved) */
	fprintf(fp, "    /* Word 23h (Reserved) */\n");
	fprintf(fp, "    gbeStruct4k.reservedWord23h = 0x%04x;\n", gbeStruct4k.reservedWord23h);
	fprintf(fp, "\n");
	/* Words 24h to 2Fh (Reserved) */
	fprintf(fp, "    /* Words 24h to 2Fh (Reserved) */\n");
	for (i = 0; i < 12; i++) {
		fprintf(fp, "    gbeStruct4k.reservedWords24to2Fh[%d] = 0x%04x;\n", i, gbeStruct4k.reservedWords24to2Fh[i]);
	}
	fprintf(fp, "\n");
	/* Words 30h to 3Eh (PXE Software Region) */
	fprintf(fp, "    /* Words 30h to 3Eh (PXE Software Region) */\n");
	fprintf(fp, "    /* Boot Agent Main Setup Options (Word 30h) */\n");
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.protocolSelect = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.protocolSelect);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved1 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved1);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.defaultBootSelection = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.defaultBootSelection);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved2 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved2);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.promptTime = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.promptTime);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.displaySetupMessage = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.displaySetupMessage);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved3 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved3);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceSpeed = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceSpeed);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceFullDuplex = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceFullDuplex);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved4 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved4);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.efiPresence = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.efiPresence);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.pxePresence = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.pxePresence);
	fprintf(fp, "    /* Boot Agent Configuration Customization Options (Word 31h) */\n");
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableSetupMenu = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableSetupMenu);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableTitleMessage = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableTitleMessage);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableProtocolSelect = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableProtocolSelect);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableBootSelection = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableBootSelection);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableLegacyWakeupSupport = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableLegacyWakeupSupport);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableFlashUpdate = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableFlashUpdate);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved1 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved1);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.ibaBootOrderSetupMode = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.ibaBootOrderSetupMode);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved2 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved2);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.signature = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.signature);
	fprintf(fp, "    /* Boot Agent Configuration Customization Options (Word 32h) */\n");
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.buildNumber = 0x%02x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.buildNumber);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.minorVersionNumber = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.minorVersionNumber);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.majorVersionNumber = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.majorVersionNumber);
	fprintf(fp, "    /* IBA Capabilities (Word 33h) */\n");
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.baseCodePresent = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.baseCodePresent);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.undiCapabilityPresent = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.undiCapabilityPresent);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved1 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved1);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.efiUndiCapabilityPresent = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.efiUndiCapabilityPresent);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_0 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_0);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_1 = 0x%02x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_1);
	fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.signature = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.signature);
	fprintf(fp, "    /* Padding (Words 34h to 3Eh) */\n");
	for (i = 0; i < 11; i++) {
		fprintf(fp, "    gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[%d] = 0x%04x;\n", i, gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[i]);
	}
	fprintf(fp, "\n");
	/* Word 3Fh (Checksum) */
	fprintf(fp, "    /* Word 3Fh (Checksum) */\n");
	fprintf(fp, "    gbeStruct4k.checkSum = 0x%04x;\n", gbeStruct4k.checkSum);
	fprintf(fp, "\n");
	/* The rest of Gbe is just padding */
	paddingSize = sizeof(gbeStruct4k.padding);
	paddingIdentical = 1; /* Assume that it's all 0xFF, then try to disprove it */
	for (i = 0; i < paddingSize; i++) { /* check whether contents differ */
		if (gbeStruct4k.padding[i] != 0xFF) {
			paddingIdentical = 0;
			break;
		}
	}
	if (!paddingIdentical) {
		fprintf(fp, "    /* The rest of Gbe (word 40h or byte 80h onwards) is just padding */\n");
		for (i = 0; i < paddingSize; i++) { /* contents are not all 0xFF, just spit them all out one by one */
			fprintf(fp, "    gbeStruct4k.padding[%d] = 0x%02x;\n", i, gbeStruct4k.padding[i]);
		}
	} else { /* contents are all 0xFF. Generate a small for loop that sets them all to 0xFF */
		fprintf(fp, "    /* The rest of Gbe (word 40h or byte 80h onwards) is just padding (0xFF) */\n");
		fprintf(fp, "    for (i = 0; i < %d; i++) {\n", paddingSize);
		fprintf(fp, "        gbeStruct4k.padding[i] = 0xFF;\n");
		fprintf(fp, "    }\n");
	}
	fprintf(fp, "\n");
	fprintf(fp, "    return gbeStruct4k;\n");
	fprintf(fp, "}\n\n");

	fprintf(fp, "struct GBEREGIONRECORD_8K generatedGbeStruct8k()\n");
	fprintf(fp, "{\n");
	fprintf(fp, "    struct GBEREGIONRECORD_8K gbeStruct8k;\n");
	fprintf(fp, "    gbeStruct8k.main = generatedGbeStruct4k();\n");
	fprintf(fp, "    memcpy(&gbeStruct8k.backup, &gbeStruct8k.main, GBEREGIONSIZE_4K);\n");
	fprintf(fp, "    return gbeStruct8k;\n");
	fprintf(fp, "}\n\n");

	/* ------------------------------ */

	fclose(fp); /* Always close the file when done. */

	return 0;
}

/*
 * ---------------------------------------------------------------------
 * 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;
}