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|
/*
* descriptor/descriptor.c
* This file is part of the ich9deblob utility from the libreboot project
*
* Copyright (C) 2014, 2015 Francis Rowe <info@gluglug.org.uk>
* 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;
}
|
