diff options
Diffstat (limited to 'util/ich9utils/src/descriptor')
| -rw-r--r-- | util/ich9utils/src/descriptor/descriptor.c | 1025 | ||||
| -rw-r--r-- | util/ich9utils/src/descriptor/descriptor.h | 336 |
2 files changed, 0 insertions, 1361 deletions
diff --git a/util/ich9utils/src/descriptor/descriptor.c b/util/ich9utils/src/descriptor/descriptor.c deleted file mode 100644 index 10637714..00000000 --- a/util/ich9utils/src/descriptor/descriptor.c +++ /dev/null @@ -1,1025 +0,0 @@ -/* - * descriptor/descriptor.c - * This file is part of the ich9deblob utility from the libreboot project - * - * Copyright (C) 2014, 2015, 2019 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 - * --------------------------------------------------------------------- - */ - -int validDescriptor(struct DESCRIPTORREGIONRECORD descriptorStruct) { - if (descriptorStruct.flValSig.signature==0x0FF0A55A) return 1; - return 0; -} - -/* 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 flash chip read-only when using flashrom -p internal */ -struct DESCRIPTORREGIONRECORD descriptorHostRegionsReadOnly(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 = 0x0; - descriptorStruct.masterAccessSection.flMstr1.biosRegionWriteAccess = 0x0; - descriptorStruct.masterAccessSection.flMstr1.meRegionWriteAccess = 0x0; - descriptorStruct.masterAccessSection.flMstr1.gbeRegionWriteAccess = 0x0; - descriptorStruct.masterAccessSection.flMstr1.pdRegionWriteAccess = 0x0; - - 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; -} - -/* This simply outputs (as strings) the contents of the descriptor */ -/* This outputs in pandoc-flavoured Markdown */ -int showDescriptorData(struct DESCRIPTORREGIONRECORD descriptorStruct) -{ - int i, j; - - printf("DESCRIPTOR REGION\n"); - printf("=================\n\n"); - - printf("Flash Valid Signature Register\n"); - printf("------------------------------\n\n"); - - printf("Signature = 0x%08x\n\n", descriptorStruct.flValSig.signature); - - printf("Flash Map Registers\n"); - printf("-------------------\n\n"); - - printf("FLMAP0:\n\n"); - - printf("- FCBA = 0x%02x\n", descriptorStruct.flMaps.flMap0.FCBA); - printf("- NC = 0x%01x\n", descriptorStruct.flMaps.flMap0.NC); - printf("- Reserved1 = 0x%02x\n", descriptorStruct.flMaps.flMap0.reserved1); - printf("- FRBA = 0x%02x\n", descriptorStruct.flMaps.flMap0.FRBA); - printf("- NR = 0x%01x\n", descriptorStruct.flMaps.flMap0.NR); - printf("- Reserved2 = 0x%02x\n\n", descriptorStruct.flMaps.flMap0.reserved2); - - printf("FLMAP1:\n\n"); - - printf("- FMBA = 0x%02x\n", descriptorStruct.flMaps.flMap1.FMBA); - printf("- NM = 0x%01x\n", descriptorStruct.flMaps.flMap1.NM); - printf("- Reserved = 0x%02x\n", descriptorStruct.flMaps.flMap1.reserved); - printf("- FISBA = 0x%02x\n", descriptorStruct.flMaps.flMap1.FISBA); - printf("- ISL = 0x%02x\n\n", descriptorStruct.flMaps.flMap1.ISL); - - printf("FLMAP2:\n\n"); - - printf("- FMSBA = 0x%02x\n", descriptorStruct.flMaps.flMap2.FMSBA); - printf("- MSL = 0x%02x\n", descriptorStruct.flMaps.flMap2.MSL); - printf("- Reserved = 0x%04x\n\n", descriptorStruct.flMaps.flMap2.reserved); - - printf("Component Section Record\n"); - printf("------------------------\n\n"); - - printf("FLCOMP:\n\n"); - - printf("- *Component 1* Density = 0x%01x\n", descriptorStruct.componentSection.flcomp.component1Density); - printf("- *Component 2* Density = 0x%01x\n", descriptorStruct.componentSection.flcomp.component2Density); - printf("- Reserved1 = 0x%01x\n", descriptorStruct.componentSection.flcomp.reserved1); - printf("- Reserved2 = 0x%02x\n", descriptorStruct.componentSection.flcomp.reserved2); - printf("- Reserved3 = 0x%01x\n", descriptorStruct.componentSection.flcomp.reserved3); - printf("- *Read* Clock Frequency = 0x%01x\n", descriptorStruct.componentSection.flcomp.readClockFrequency); - printf("- *Fast Read* Support = 0x%01x\n", descriptorStruct.componentSection.flcomp.fastReadSupport); - printf("- *Fast Read* Clock Frequency = 0x%01x\n", descriptorStruct.componentSection.flcomp.fastreadClockFrequency); - printf("- *Write/Erase* Clock Frequency = 0x%01x\n", descriptorStruct.componentSection.flcomp.writeEraseClockFrequency); - printf("- *Read Status* Clock Frequency = 0x%01x\n", descriptorStruct.componentSection.flcomp.readStatusClockFrequency); - printf("- Reserved4 = 0x%01x\n\n", descriptorStruct.componentSection.flcomp.reserved4); - - printf("FLILL:\n\n"); - - printf("- flill = 0x%08x\n\n", descriptorStruct.componentSection.flill); - - printf("FLPB:\n\n"); - - printf("- flpb = 0x%08x\n\n", descriptorStruct.componentSection.flpb); - - printf("Padding:\n\n"); - - for (i = 0; i < 36; i++) { - if (descriptorStruct.componentSection.padding[i] != 0xFF) { - for (j = 0; j < 36; j++) { - printf("- Offset %d = 0x%02x\n", j, descriptorStruct.componentSection.padding[j]); - } - break; - } else if (i == 35) { - printf("- Every offset has a value of 0xFF\n"); - break; - } - } - printf("\n"); - - printf("Flash Descriptor Region Section\n"); - printf("-------------------------------\n\n"); - - printf("This section defines the size and location of each region.\n\n"); - - printf("FLREG0 (Descriptor):\n\n"); - - printf("- flReg0BASE = 0x%04x\n", descriptorStruct.regionSection.flReg0.BASE); - printf("- reserved1 = 0x%01x\n", descriptorStruct.regionSection.flReg0.reserved1); - printf("- LIMIT = 0x%04x\n", descriptorStruct.regionSection.flReg0.LIMIT); - printf("- reserved2 = 0x%01x\n\n", descriptorStruct.regionSection.flReg0.reserved2); - - printf("FLREG1 (BIOS):\n\n"); - - printf("- BASE = 0x%04x\n", descriptorStruct.regionSection.flReg1.BASE); - printf("- reserved1 = 0x%01x\n", descriptorStruct.regionSection.flReg1.reserved1); - printf("- LIMIT = 0x%04x\n", descriptorStruct.regionSection.flReg1.LIMIT); - printf("- reserved2 = 0x%01x\n\n", descriptorStruct.regionSection.flReg1.reserved2); - - printf("FLREG2 (ME):\n\n"); - - printf("- BASE = 0x%04x\n", descriptorStruct.regionSection.flReg2.BASE); - printf("- reserved1 = 0x%01x\n", descriptorStruct.regionSection.flReg2.reserved1); - printf("- LIMIT = 0x%04x\n", descriptorStruct.regionSection.flReg2.LIMIT); - printf("- reserved2 = 0x%01x\n\n", descriptorStruct.regionSection.flReg2.reserved2); - - printf("FLREG3 (Gbe):\n\n"); - - printf("- BASE = 0x%04x\n", descriptorStruct.regionSection.flReg3.BASE); - printf("- reserved1 = 0x%01x\n", descriptorStruct.regionSection.flReg3.reserved1); - printf("- LIMIT = 0x%04x\n", descriptorStruct.regionSection.flReg3.LIMIT); - printf("- reserved2 = 0x%01x\n\n", descriptorStruct.regionSection.flReg3.reserved2); - - printf("FLREG4 (Platform):\n\n"); - - printf("- BASE = 0x%04x\n", descriptorStruct.regionSection.flReg4.BASE); - printf("- reserved1 = 0x%01x\n", descriptorStruct.regionSection.flReg4.reserved1); - printf("- LIMIT = 0x%04x\n", descriptorStruct.regionSection.flReg4.LIMIT); - printf("- reserved2 = 0x%01x\n\n", descriptorStruct.regionSection.flReg4.reserved2); - - printf("Padding:\n\n"); - - for (i = 0; i < 12; i++) { - if (descriptorStruct.regionSection.padding[i] != 0xFF) { - for (j = 0; j < 12; j++) { - printf("- Offset %d = 0x%02x\n", j, descriptorStruct.regionSection.padding[j]); - } - break; - } else if (i == 11) { - printf("- Every offset has a value of 0xFF\n"); - break; - } - } - printf("\n"); - - /* Master Access Section */ - printf("Master Access Section\n"); - printf("---------------------\n\n"); - - printf("FLMSTR1 (Host CPU / BIOS, e.g. flashrom running in GNU+Linux):\n\n"); - - printf("*This is the part requiring modification for write protect!*\n\n"); - - printf("- Requester ID = 0x%04x\n", descriptorStruct.masterAccessSection.flMstr1.requesterId); - printf("- *Descriptor region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr1.fdRegionReadAccess); - printf("- *BIOS region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr1.biosRegionReadAccess); - printf("- *ME region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr1.meRegionReadAccess); - printf("- *GbE region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr1.gbeRegionReadAccess); - printf("- *Platform region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr1.pdRegionReadAccess); - printf("- Reserved1 = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr1.reserved1); - printf("- *Descriptor region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr1.fdRegionWriteAccess); - printf("- *BIOS region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr1.biosRegionWriteAccess); - printf("- *ME region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr1.meRegionWriteAccess); - printf("- *GbE region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr1.gbeRegionWriteAccess); - printf("- *Platform region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr1.pdRegionWriteAccess); - printf("- reserved2 = 0x%01x\n\n", descriptorStruct.masterAccessSection.flMstr1.reserved2); - - printf("FLMSTR2 (ME):\n\n"); - - printf("- Requester ID = 0x%04x\n", descriptorStruct.masterAccessSection.flMstr2.requesterId); - printf("- *Descriptor region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr2.fdRegionReadAccess); - printf("- *BIOS region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr2.biosRegionReadAccess); - printf("- *ME region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr2.meRegionReadAccess); - printf("- *GbE region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr2.gbeRegionReadAccess); - printf("- *Platform region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr2.pdRegionReadAccess); - printf("- reserved1 = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr2.reserved1); - printf("- *Descriptor region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr2.fdRegionWriteAccess); - printf("- *BIOS region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr2.biosRegionWriteAccess); - printf("- *ME region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr2.meRegionWriteAccess); - printf("- *GbE region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr2.gbeRegionWriteAccess); - printf("- *Platform region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr2.pdRegionWriteAccess); - printf("- reserved2 = 0x%01x\n\n", descriptorStruct.masterAccessSection.flMstr2.reserved2); - - printf("FLMSTR3 (GbE):\n\n"); - - printf("- Requester ID = 0x%04x\n", descriptorStruct.masterAccessSection.flMstr3.requesterId); - printf("- *Descriptor region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr3.fdRegionReadAccess); - printf("- *BIOS region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr3.biosRegionReadAccess); - printf("- *ME region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr3.meRegionReadAccess); - printf("- *GbE Region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr3.gbeRegionReadAccess); - printf("- *Platform region* Read Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr3.pdRegionReadAccess); - printf("- reserved1 = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr3.reserved1); - printf("- *Descriptor region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr3.fdRegionWriteAccess); - printf("- *BIOS region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr3.biosRegionWriteAccess); - printf("- *ME region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr3.meRegionWriteAccess); - printf("- *GbE region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr3.gbeRegionWriteAccess); - printf("- *Platform region* Write Access = 0x%01x\n", descriptorStruct.masterAccessSection.flMstr3.pdRegionWriteAccess); - printf("- reserved2 = 0x%01x\n\n", descriptorStruct.masterAccessSection.flMstr3.reserved2); - printf("Padding:\n\n"); - for (i = 0; i < 148; i++) { - if (descriptorStruct.masterAccessSection.padding[i] != 0xFF) { - for (j = 0; j < 148; j++) { - printf("- Offset %d = 0x%02x\n", j, descriptorStruct.masterAccessSection.padding[j]); - } - break; - } else if (i == 147) { - printf("- Every offset has a value of 0xFF\n"); - break; - } - } - printf("\n"); - - /* ICH straps */ - printf("ICH straps\n"); - printf("----------\n\n"); - - printf("ICHSTRAP0:\n\n"); - - printf("- **ME Disable** = 0x%01x\n", descriptorStruct.ichStraps.ichStrap0.meDisable); - printf("- reserved1 = 0x%02x\n", descriptorStruct.ichStraps.ichStrap0.reserved1); - printf("- TCO Mode = 0x%01x\n", descriptorStruct.ichStraps.ichStrap0.tcoMode); - printf("- SMBus Address = 0x%02x\n", descriptorStruct.ichStraps.ichStrap0.smBusAddress); - printf("- BMC Mode = 0x%01x\n", descriptorStruct.ichStraps.ichStrap0.bmcMode); - printf("- Trip Point Select = 0x%01x\n", descriptorStruct.ichStraps.ichStrap0.tripPointSelect); - printf("- reserved2 = 0x%01x\n", descriptorStruct.ichStraps.ichStrap0.reserved2); - printf("- Integrated GbE = 0x%01x\n", descriptorStruct.ichStraps.ichStrap0.integratedGbe); - printf("- LAN Phy = 0x%01x\n", descriptorStruct.ichStraps.ichStrap0.lanPhy); - printf("- reserved3 = 0x%01x\n", descriptorStruct.ichStraps.ichStrap0.reserved3); - printf("- DMI Requester ID = 0x%01x\n", descriptorStruct.ichStraps.ichStrap0.dmiRequesterId); - printf("- SMBus2 Address = 0x%02x\n\n", descriptorStruct.ichStraps.ichStrap0.smBus2Address); - - printf("ICHSTRAP1:\n\n"); - - printf("- North M Link = 0x%01x\n", descriptorStruct.ichStraps.ichStrap1.northMlink); - printf("- South M Link = 0x%01x\n", descriptorStruct.ichStraps.ichStrap1.southMlink); - printf("- ME SMBus = 0x%01x\n", descriptorStruct.ichStraps.ichStrap1.meSmbus); - printf("- SST Dynamic = 0x%01x\n", descriptorStruct.ichStraps.ichStrap1.sstDynamic); - printf("- reserved1 = 0x%01x\n", descriptorStruct.ichStraps.ichStrap1.reserved1); - printf("- North M Link 2 = 0x%01x\n", descriptorStruct.ichStraps.ichStrap1.northMlink2); - printf("- reserved2 = 0x%02x\n", descriptorStruct.ichStraps.ichStrap1.reserved2); - printf("- reserved3 = 0x%04x\n\n", descriptorStruct.ichStraps.ichStrap1.reserved3); - - printf("Padding:\n\n"); - - for (i = 0; i < 248; i++) { - if (descriptorStruct.ichStraps.padding[i] != 0xFF) { - for (j = 0; j < 248; j++) { - printf("- Offset %d = 0x%02x\n", j, descriptorStruct.ichStraps.padding[j]); - } - break; - } else if (i == 247) { - printf("- Every offset has a value of 0xFF\n"); - break; - } - } - printf("\n"); - - printf("MCH straps\n"); - printf("----------\n\n"); - - printf("MCHSTRAP0:\n\n"); - - printf("- **ME Disable** = 0x%01x\n", descriptorStruct.mchStraps.mchStrap0.meDisable); - printf("- Boot ME from flash = 0x%01x\n", descriptorStruct.mchStraps.mchStrap0.meBootFromFlash); - printf("- **TPM Disable** = 0x%01x\n", descriptorStruct.mchStraps.mchStrap0.tpmDisable); - printf("- reserved1 = 0x%01x\n", descriptorStruct.mchStraps.mchStrap0.reserved1); - printf("- SPI Fingerprint = 0x%01x\n", descriptorStruct.mchStraps.mchStrap0.spiFingerprint); - printf("- ME Alternate Disable = 0x%01x\n", descriptorStruct.mchStraps.mchStrap0.meAlternateDisable); - printf("- reserved2 = 0x%02x\n", descriptorStruct.mchStraps.mchStrap0.reserved2); - printf("- reserved3 = 0x%04x\n\n", descriptorStruct.mchStraps.mchStrap0.reserved3); - - printf("Padding:\n\n"); - for (i = 0; i < 3292; i++) { - if (descriptorStruct.mchStraps.padding[i] != 0xFF) { - for (j = 0; j < 3292; j++) { - printf("- Offset %d = 0x%02x\n", j, descriptorStruct.mchStraps.padding[j]); - } - break; - } else if (i == 3291) { - printf("- Every offset has a value of 0xFF\n"); - break; - } - } - printf("\n"); - - printf("ME VSCC Table\n"); - printf("-------------\n\n"); - - printf("- JID0 = 0x%08x\n", descriptorStruct.meVsccTable.jid0); - printf("- VSCC0 = 0x%08x\n", descriptorStruct.meVsccTable.vscc0); - printf("- JID1 = 0x%08x\n", descriptorStruct.meVsccTable.jid1); - printf("- VSCC1 = 0x%08x\n", descriptorStruct.meVsccTable.vscc1); - printf("- JID2 = 0x%08x\n", descriptorStruct.meVsccTable.jid2); - printf("- VSCC2 = 0x%08x\n\n", descriptorStruct.meVsccTable.vscc2); - - printf("Padding:\n\n"); - - for (i = 0; i < 4; i++) { - if (descriptorStruct.meVsccTable.padding[i] != 0xFF) { - for (j = 0; j < 4; j++) { - printf("- Offset %d = 0x%02x\n", j, descriptorStruct.meVsccTable.padding[j]); - } - break; - } else if (i == 3) { - printf("- Every offset has a value of 0xFF\n"); - break; - } - } - printf("\n"); - - printf("Descriptor Map 2 Record\n"); - printf("-----------------------\n\n"); - - printf("- *ME VSCC Table* Base Address = 0x%02x\n", descriptorStruct.descriptor2Map.meVsccTableBaseAddress); - printf("- *ME VSCC Table* Length = 0x%02x\n", descriptorStruct.descriptor2Map.meVsccTableLength); - printf("- reserved = 0x%04x\n", descriptorStruct.descriptor2Map.reserved); - printf("\n\n"); - - printf("OEM section\n"); - printf("-----------\n\n"); - - printf("Magic String:\n\n"); - - for(i = 0; i < 8; i++) { - printf("- Offset %d = 0x%02x\n", i, descriptorStruct.oemSection.magicString[i]); - } - printf("\n"); - - printf("Padding:\n\n"); - - for (i = 0; i < 248; i++) { - if (descriptorStruct.oemSection.padding[i] != 0xFF) { - for (j = 0; j < 248; j++) { - printf("- Offset %d = 0x%02x\n", j, descriptorStruct.oemSection.padding[j]); - } - break; - } else if (i == 247) { - printf("- Every offset has a value of 0xFF\n"); - break; - } - } - printf("\n"); - - return 0; -} - diff --git a/util/ich9utils/src/descriptor/descriptor.h b/util/ich9utils/src/descriptor/descriptor.h deleted file mode 100644 index cd9c2342..00000000 --- a/util/ich9utils/src/descriptor/descriptor.h +++ /dev/null @@ -1,336 +0,0 @@ -/* - * descriptor/descriptor.h - * This file is part of the ich9deblob utility from the libreboot project - * - * Copyright (C) 2014, 2015, 2019 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/hardware/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) - * --------------------------------------------------------------------- - */ - -int validDescriptor(struct DESCRIPTORREGIONRECORD descriptorStruct); -struct DESCRIPTORREGIONRECORD descriptorHostRegionsUnlocked(struct DESCRIPTORREGIONRECORD descriptorStruct); -struct DESCRIPTORREGIONRECORD descriptorHostRegionsReadOnly(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); -int showDescriptorData(struct DESCRIPTORREGIONRECORD descriptorStruct); - -#endif |