summaryrefslogtreecommitdiff
path: root/util/ich9utils/src/descriptor
diff options
context:
space:
mode:
Diffstat (limited to 'util/ich9utils/src/descriptor')
-rw-r--r--util/ich9utils/src/descriptor/descriptor.c1025
-rw-r--r--util/ich9utils/src/descriptor/descriptor.h336
2 files changed, 1361 insertions, 0 deletions
diff --git a/util/ich9utils/src/descriptor/descriptor.c b/util/ich9utils/src/descriptor/descriptor.c
new file mode 100644
index 00000000..10637714
--- /dev/null
+++ b/util/ich9utils/src/descriptor/descriptor.c
@@ -0,0 +1,1025 @@
+/*
+ * 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
new file mode 100644
index 00000000..cd9c2342
--- /dev/null
+++ b/util/ich9utils/src/descriptor/descriptor.h
@@ -0,0 +1,336 @@
+/*
+ * 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
generated by cgit v1.2.1 (git 2.18.0) at 2024-06-29 11:30:49 +0000