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-rw-r--r--src/common/descriptor_gbe.c90
-rw-r--r--src/common/descriptor_gbe.h37
-rw-r--r--src/common/x86compatibility.c161
-rw-r--r--src/common/x86compatibility.h42
-rw-r--r--src/demefactory.c141
-rw-r--r--src/demefactory.h34
-rw-r--r--src/descriptor/descriptor.c1025
-rw-r--r--src/descriptor/descriptor.h336
-rw-r--r--src/gbe/gbe.c748
-rw-r--r--src/gbe/gbe.h436
-rw-r--r--src/ich9deblob.c231
-rw-r--r--src/ich9deblob.h38
-rw-r--r--src/ich9gen.c203
-rw-r--r--src/ich9gen.h39
-rw-r--r--src/ich9gen/mkdescriptor.c229
-rw-r--r--src/ich9gen/mkdescriptor.h27
-rw-r--r--src/ich9gen/mkgbe.c257
-rw-r--r--src/ich9gen/mkgbe.h29
-rw-r--r--src/ich9show.c152
-rw-r--r--src/ich9show.h39
20 files changed, 4294 insertions, 0 deletions
diff --git a/src/common/descriptor_gbe.c b/src/common/descriptor_gbe.c
new file mode 100644
index 0000000..1c1ad32
--- /dev/null
+++ b/src/common/descriptor_gbe.c
@@ -0,0 +1,90 @@
+/*
+ * descriptor_gbe.c
+ * This file is part of the ich9deblob utility from the libreboot project
+ *
+ * Purpose: common descriptor/gbe functions used by ich9deblob
+ *
+ * Copyright (C) 2014, 2015 Leah Rowe <info@minifree.org>
+ * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "descriptor_gbe.h"
+
+/*
+ * create 12KiB file with descriptor, and then gbe immediately after.
+ */
+int notCreatedDescriptorGbeFile(struct DESCRIPTORREGIONRECORD descriptorStruct, struct GBEREGIONRECORD_8K gbeStruct8k, char* fileName)
+{
+ FILE* fileStream = NULL;
+
+ /* delete old file before continuing */
+ remove(fileName);
+
+ /* open new file for writing the descriptor+gbe */
+ fileStream = fopen(fileName, "ab");
+
+ /* write the descriptor region into the first part */
+ if (DESCRIPTORREGIONSIZE != fwrite((uint8_t*)&descriptorStruct, 1, sizeof(descriptorStruct), fileStream))
+ {
+ printf("\nerror: writing descriptor region failed\n");
+ return 1;
+ }
+
+ /* add gbe to the end of the file */
+ if (GBEREGIONSIZE_8K != fwrite((uint8_t*)&gbeStruct8k, 1, sizeof(gbeStruct8k), fileStream))
+ {
+ printf("\nerror: writing GBe region failed\n");
+ return 1;
+ }
+
+ fclose(fileStream);
+
+ printf("descriptor and gbe successfully written to the file: %s\n", fileName);
+ printf("Now do: dd if=%s of=libreboot.rom bs=1 count=12k conv=notrunc\n", fileName);
+ printf("(in other words, add the modified descriptor+gbe to your ROM image)\n\n");
+
+ return 0;
+}
+
+/*
+ * create 4KiB file with descriptor
+ */
+int notCreated4kDescriptorFile(struct DESCRIPTORREGIONRECORD descriptorStruct, char* fileName)
+{
+ FILE* fileStream = NULL;
+
+ /* delete old file before continuing */
+ remove(fileName);
+
+ /* open new file for writing the descriptor+gbe */
+ fileStream = fopen(fileName, "ab");
+
+ /* write the descriptor region into the first part */
+ if (DESCRIPTORREGIONSIZE != fwrite((uint8_t*)&descriptorStruct, 1, sizeof(descriptorStruct), fileStream))
+ {
+ printf("\nerror: writing descriptor region failed\n");
+ return 1;
+ }
+
+
+ fclose(fileStream);
+
+ printf("descriptor successfully written to the file: %s\n", fileName);
+ printf("Now do: dd if=%s of=yourrom.rom bs=1 count=4k conv=notrunc\n", fileName);
+ printf("(in other words, add the modified descriptor to your ROM image)\n\n");
+
+ return 0;
+}
diff --git a/src/common/descriptor_gbe.h b/src/common/descriptor_gbe.h
new file mode 100644
index 0000000..b3713c8
--- /dev/null
+++ b/src/common/descriptor_gbe.h
@@ -0,0 +1,37 @@
+/*
+ * gbe_descriptor.h
+ * This file is part of the ich9deblob utility from the libreboot project
+ *
+ * Purpose: header file for descriptor_gbe.c
+ *
+ * Copyright (C) 2014, 2015 Leah Rowe <info@minifree.org>
+ * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef COMMON_DESCRIPTOR_GBE_H
+#define COMMON_DESCRIPTOR_GBE_H
+
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "../descriptor/descriptor.h" /* structs describing what's in the descriptor region */
+#include "../gbe/gbe.h" /* structs describing what's in the gbe region */
+
+int notCreatedDescriptorGbeFile(struct DESCRIPTORREGIONRECORD descriptorStruct, struct GBEREGIONRECORD_8K gbeStruct8k, char* fileName);
+int notCreated4kDescriptorFile(struct DESCRIPTORREGIONRECORD descriptorStruct, char* fileName);
+
+#endif
diff --git a/src/common/x86compatibility.c b/src/common/x86compatibility.c
new file mode 100644
index 0000000..362c634
--- /dev/null
+++ b/src/common/x86compatibility.c
@@ -0,0 +1,161 @@
+/*
+ * x86compatibility.c
+ * This file is part of the ich9deblob utility from the libreboot project
+ *
+ * Purpose: compiler/cpu compatibility checks. ich9deblob is not portable, yet.
+ *
+ * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
+ * Leah Rowe <info@minifree.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "x86compatibility.h"
+
+/*
+ * ---------------------------------------------------------------------
+ * x86 compatibility checking:
+ * ---------------------------------------------------------------------
+ */
+
+/* fail if struct size is incorrect */
+int structSizesIncorrect(struct DESCRIPTORREGIONRECORD descriptorDummy, struct GBEREGIONRECORD_8K gbe8kDummy)
+{
+ unsigned int descriptorRegionStructSize = sizeof(descriptorDummy);
+ unsigned int gbeRegion8kStructSize = sizeof(gbe8kDummy);
+
+ /* check compiler bit-packs in a compatible way. basically, it is expected that this code will be used on x86 */
+ if (DESCRIPTORREGIONSIZE != descriptorRegionStructSize){
+ printf("\nerror: compiler incompatibility: descriptor struct length is %i bytes (should be %i)\n", descriptorRegionStructSize, DESCRIPTORREGIONSIZE);
+ return 1;
+ }
+ if (GBEREGIONSIZE_8K != gbeRegion8kStructSize){
+ printf("\nerror: compiler incompatibility: gbe struct length is %i bytes (should be %i)\n", gbeRegion8kStructSize, GBEREGIONSIZE_8K);
+ return 1;
+ }
+
+ return 0;
+}
+
+/* fail if members are presented in the wrong order */
+int structMembersWrongOrder()
+{
+ int i;
+ struct DESCRIPTORREGIONRECORD descriptorDummy;
+ uint8_t *meVsccTablePtr = (uint8_t*)&descriptorDummy.meVsccTable;
+
+ /* These do not use bitfields. */
+ descriptorDummy.meVsccTable.jid0 = 0x01020304; /* unsigned int 32-bit */
+ descriptorDummy.meVsccTable.vscc0 = 0x10203040; /* unsigned int 32-bit */
+ descriptorDummy.meVsccTable.jid1 = 0x11223344; /* unsigned int 32-bit */
+ descriptorDummy.meVsccTable.vscc1 = 0x05060708; /* unsigned int 32-bit */
+ descriptorDummy.meVsccTable.jid2 = 0x50607080; /* unsigned int 32-bit */
+ descriptorDummy.meVsccTable.vscc2 = 0x55667788; /* unsigned int 32-bit */
+ descriptorDummy.meVsccTable.padding[0] = 0xAA; /* unsigned char 8-bit */
+ descriptorDummy.meVsccTable.padding[1] = 0xBB; /* unsigned char 8-bit */
+ descriptorDummy.meVsccTable.padding[2] = 0xCC; /* unsigned char 8-bit */
+ descriptorDummy.meVsccTable.padding[3] = 0xDD; /* unsigned char 8-bit */
+
+ /*
+ * Look from the top down, and concatenate the unsigned ints but
+ * with each unsigned in little endian order.
+ * Then, concatenate the unsigned chars in big endian order. (in the padding array)
+ *
+ * combined, these should become:
+ * 01020304 10203040 11223344 05060708 50607080 55667788 AA BB CC DD (ignore this. big endian. just working it out manually:)
+ * 04030201 40302010 44332211 08070605 80706050 88776655 AA BB CC DD (ignore this. not byte-separated, just working it out:)
+ * 04 03 02 01 40 30 20 10 44 33 22 11 08 07 06 05 80 70 60 50 88 77 66 55 AA BB CC DD <-- it should match this
+ */
+
+ if (
+ !
+ (
+ *meVsccTablePtr == 0x04 && *(meVsccTablePtr+1) == 0x03 && *(meVsccTablePtr+2) == 0x02 && *(meVsccTablePtr+3) == 0x01
+ && *(meVsccTablePtr+4) == 0x40 && *(meVsccTablePtr+5) == 0x30 && *(meVsccTablePtr+6) == 0x20 && *(meVsccTablePtr+7) == 0x10
+ && *(meVsccTablePtr+8) == 0x44 && *(meVsccTablePtr+9) == 0x33 && *(meVsccTablePtr+10) == 0x22 && *(meVsccTablePtr+11) == 0x11
+ && *(meVsccTablePtr+12) == 0x08 && *(meVsccTablePtr+13) == 0x07 && *(meVsccTablePtr+14) == 0x06 && *(meVsccTablePtr+15) == 0x05
+ && *(meVsccTablePtr+16) == 0x80 && *(meVsccTablePtr+17) == 0x70 && *(meVsccTablePtr+18) == 0x60 && *(meVsccTablePtr+19) == 0x50
+ && *(meVsccTablePtr+20) == 0x88 && *(meVsccTablePtr+21) == 0x77 && *(meVsccTablePtr+22) == 0x66 && *(meVsccTablePtr+23) == 0x55
+ && *(meVsccTablePtr+24) == 0xAA && *(meVsccTablePtr+25) == 0xBB && *(meVsccTablePtr+26) == 0xCC && *(meVsccTablePtr+27) == 0xDD
+ )
+ ) {
+
+ printf("\nStruct member order check (descriptorDummy.meVsccTable) with junk/dummy data:");
+ printf("\nShould be: 04 03 02 01 40 30 20 10 44 33 22 11 08 07 06 05 80 70 60 50 88 77 66 55 aa bb cc dd ");
+ printf("\nAnd it is: ");
+
+ for (i = 0; i < 28; i++) {
+ printf("%02x ", *(meVsccTablePtr + i));
+ }
+ printf("\nIncorrect order.\n");
+
+ return 1;
+ }
+
+ return 0;
+}
+
+/* fail if bit fields are presented in the wrong order */
+int structBitfieldWrongOrder()
+{
+ int i;
+ struct DESCRIPTORREGIONRECORD descriptorDummy;
+ uint8_t *flMap0Ptr = (uint8_t*)&descriptorDummy.flMaps.flMap0;
+
+ descriptorDummy.flMaps.flMap0.FCBA = 0xA2; /* :8 --> 10100010 */
+ descriptorDummy.flMaps.flMap0.NC = 0x02; /* :2 --> 10 */
+ descriptorDummy.flMaps.flMap0.reserved1 = 0x38; /* :6 --> 111000 */
+ descriptorDummy.flMaps.flMap0.FRBA = 0xD2; /* :8 --> 11010010 */
+ descriptorDummy.flMaps.flMap0.NR = 0x05; /* :3 --> 101 */
+ descriptorDummy.flMaps.flMap0.reserved2 = 0x1C; /* :5 --> 11100 */
+
+ /*
+ * Look from the top bottom up, and concatenate the binary strings.
+ * Then, convert the 8-bit groups to hex and reverse the (8-bit)byte order
+ *
+ * combined, these should become (in memory), in binary:
+ * 10100010 11100010 11010010 11100101
+ * or in hex:
+ * A2 E2 D2 E5
+ */
+
+ if (!(*flMap0Ptr == 0xA2 && *(flMap0Ptr+1) == 0xE2 && *(flMap0Ptr+2) == 0xD2 && *(flMap0Ptr+3) == 0xE5))
+ {
+ printf("\nBitfield order check (descriptorDummy.flMaps.flMaps0) with junk/dummy data:");
+ printf("\nShould be: a2 e2 d2 e5 ");
+ printf("\nAnd it is: ");
+
+ for (i = 0; i < 4; i++) {
+ printf("%02x ", *(flMap0Ptr + i));
+ }
+ printf("\nIncorrect order.\n");
+
+ return 1;
+ }
+
+ return 0;
+}
+
+/* Compatibility checks. This version of ich9deblob is not yet porable. */
+int systemOrCompilerIncompatible(struct DESCRIPTORREGIONRECORD descriptorStruct, struct GBEREGIONRECORD_8K gbeStruct8k)
+{
+ if (structSizesIncorrect(descriptorStruct, gbeStruct8k)) return 1;
+ if (IS_BIG_ENDIAN) {
+ printf("big endian not supported\n");
+ return 1;
+ }
+ if (structBitfieldWrongOrder()) return 1;
+ if (structMembersWrongOrder()) return 1;
+ return 0;
+}
diff --git a/src/common/x86compatibility.h b/src/common/x86compatibility.h
new file mode 100644
index 0000000..5a598ad
--- /dev/null
+++ b/src/common/x86compatibility.h
@@ -0,0 +1,42 @@
+/*
+ * x86compatibility.h
+ * This file is part of the ich9deblob utility from the libreboot project
+ *
+ * Purpose: keep gcc/make happy. no actual code here, just function definitions.
+ *
+ * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
+ * Leah Rowe <info@minifree.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef X86COMPATIBILITY_H
+#define X86COMPATIBILITY_H
+
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+/* http://esr.ibiblio.org/?p=5095 */
+#define IS_BIG_ENDIAN (*(uint16_t *)"\0\xff" < 0x100)
+
+#include "../descriptor/descriptor.h" /* structs describing what's in the descriptor region */
+#include "../gbe/gbe.h" /* structs describing what's in the gbe region */
+
+int structSizesIncorrect(struct DESCRIPTORREGIONRECORD descriptorDummy, struct GBEREGIONRECORD_8K gbe8kDummy);
+int structMembersWrongOrder();
+int structBitfieldWrongOrder();
+int systemOrCompilerIncompatible(struct DESCRIPTORREGIONRECORD descriptorStruct, struct GBEREGIONRECORD_8K gbeStruct8k);
+
+#endif
diff --git a/src/demefactory.c b/src/demefactory.c
new file mode 100644
index 0000000..596118c
--- /dev/null
+++ b/src/demefactory.c
@@ -0,0 +1,141 @@
+/*
+ * demefactory.c
+ * This file is part of the demefactory utility from the libreboot project
+ *
+ * Purpose: disable ME on GM45 factory firmware, but leave region intact
+ * enable read-write on all regions
+ *
+ * Copyright (C) 2014, 2015 Leah Rowe <info@minifree.org>
+ * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * demfactory utility - main
+ */
+
+#include "demefactory.h"
+
+int main()
+{
+ struct DESCRIPTORREGIONRECORD descriptorStruct;
+ uint8_t* descriptorBuffer = (uint8_t*)&descriptorStruct;
+
+ struct GBEREGIONRECORD_8K gbeStruct8k; /* not needed, except for compatibility checking */
+
+ char* romFilename = "factory.rom";
+ char* descriptorFilename = "demefactory_4kdescriptor.bin";
+
+ unsigned int bufferLength;
+ unsigned int romSize;
+
+ /*
+ * ------------------------------------------------------------------
+ * Compatibility checks. This version of ich9deblob is not yet portable.
+ * ------------------------------------------------------------------
+ */
+
+ if (systemOrCompilerIncompatible(descriptorStruct, gbeStruct8k)) return 1;
+ /* If true, fail with error message */
+
+ /*
+ * ------------------------------------------------------------------
+ * Extract the descriptor region from the factory.rom dump
+ * ------------------------------------------------------------------
+ */
+ FILE* fp = NULL;
+ fp = fopen(romFilename, "rb"); /* open factory.rom */
+ if (NULL == fp)
+ {
+ printf("\nerror: could not open %s\n", romFilename);
+ fclose(fp);
+ return 1;
+ }
+ printf("\n%s opened successfully\n", romFilename);
+
+ /*
+ * Get the descriptor region dump from the factory.rom
+ * (goes in factoryDescriptorBuffer variable)
+ */
+ bufferLength = fread(descriptorBuffer, 1, DESCRIPTORREGIONSIZE, fp);
+ if (DESCRIPTORREGIONSIZE != bufferLength) //
+ {
+ printf("\nerror: could not read descriptor from %s (%i) bytes read\n", romFilename, bufferLength);
+ fclose(fp);
+ return 1;
+ }
+ printf("\ndescriptor region read successfully\n");
+
+ /* ------------------------------------------------- */
+
+ fseek(fp, 0L, SEEK_END);
+ romSize = ftell(fp);
+ printf("\n%s size: [%i] bytes\n", romFilename, romSize);
+
+ /* -------------------------------------------------- */
+
+ fclose(fp);
+
+ /* Debugging (before modification) */
+ printDescriptorRegionLocations(descriptorStruct, "Original");
+
+ /*
+ * ------------------------------------------------------------------
+ * Modify the descriptor region, ready to go in the modified factory.rom
+ * ------------------------------------------------------------------
+ */
+
+ // Disable the ME/TPM:
+ descriptorStruct = descriptorDisableMe(descriptorStruct);
+ descriptorStruct = descriptorDisableTpm(descriptorStruct);
+
+ /* Host/CPU is allowed to read/write all regions. */
+ descriptorStruct = descriptorHostRegionsUnlocked(descriptorStruct);
+ /* The ME is disallowed read-write access to all regions
+ * (this is probably redundant, since the ME is already removed from libreboot) */
+ descriptorStruct = descriptorMeRegionsForbidden(descriptorStruct);
+
+ /* Debugging (after modifying the descriptor region) */
+ printDescriptorRegionLocations(descriptorStruct, "Modified");
+
+ /*
+ * ------------------------------------------------------------------
+ * Create the file with the modified descriptor inside
+ * ------------------------------------------------------------------
+ */
+
+ printf("\n");
+ if (notCreated4kDescriptorFile(descriptorStruct, descriptorFilename)) {
+ return 1;
+ }
+
+ /*
+ * ------------------------------------------------------------------
+ * Generate ich9gen data (C code that will recreate the deactivatedME descriptor from scratch)
+ * ------------------------------------------------------------------
+ */
+ /* Code for generating the Descriptor struct */
+ /* mkdescriptor.h */
+ if (notCreatedHFileForDescriptorCFile("mkdescriptor.h", "mkdescriptor.c")) {
+ return 1;
+ } /* and now mkdescriptor.c */
+ if (notCreatedCFileFromDescriptorStruct(descriptorStruct, "mkdescriptor.c", "mkdescriptor.h")) {
+ return 1;
+ }
+
+ printf("The modified descriptor region has also been dumped as src files: mkdescriptor.c, mkdescriptor.h\n\n");
+
+ return 0;
+}
diff --git a/src/demefactory.h b/src/demefactory.h
new file mode 100644
index 0000000..7226886
--- /dev/null
+++ b/src/demefactory.h
@@ -0,0 +1,34 @@
+/*
+ * Copyright (C) 2015 Leah Rowe <info@minifree.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Header file for demefactory.c */
+
+#ifndef DEMEFACTORY_H
+#define DEMEFACTORY_H
+
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "common/descriptor_gbe.h" /* common descriptor/gbe functions used by ich9deblob */
+#include "common/x86compatibility.h" /* system/compiler compatibility checks. This code is not portable. */
+#include "descriptor/descriptor.h" /* structs describing what's in the descriptor region */
+#include "gbe/gbe.h" /* structs describing what's in the gbe region */
+
+int main();
+
+#endif
diff --git a/src/descriptor/descriptor.c b/src/descriptor/descriptor.c
new file mode 100644
index 0000000..1063771
--- /dev/null
+++ b/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/src/descriptor/descriptor.h b/src/descriptor/descriptor.h
new file mode 100644
index 0000000..cd9c234
--- /dev/null
+++ b/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
diff --git a/src/gbe/gbe.c b/src/gbe/gbe.c
new file mode 100644
index 0000000..31535f9
--- /dev/null
+++ b/src/gbe/gbe.c
@@ -0,0 +1,748 @@
+/*
+ * gbe/gbe.c
+ * This file is part of the ich9deblob utility from the libreboot project
+ *
+ * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
+ * 2014,2019 Leah Rowe <info@minifree.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * Provide gbe related functions.
+ */
+
+/* structs describing the data from gbe region */
+#include "gbe.h"
+
+/*
+ * ---------------------------------------------------------------------
+ * Gbe functions:
+ * ---------------------------------------------------------------------
+ */
+
+/* gbe checksum calculation (algorithm based on datasheet) */
+uint16_t gbeGetChecksumFrom4kBuffer(uint16_t* gbeWord, uint16_t desiredValue, int gbeRegionBase)
+{
+ int wordOffset;
+ uint16_t total = 0;
+
+ for (wordOffset = 0; wordOffset < 0x3F; wordOffset++)
+ total += gbeWord[wordOffset + (gbeRegionBase>>1)];
+
+ return desiredValue - total;
+}
+
+/* checksum calculation for 4k gbe struct (algorithm based on datasheet) */
+uint16_t gbeGetChecksumFrom4kStruct(struct GBEREGIONRECORD_4K gbeStruct4k, uint16_t desiredValue)
+{
+ return gbeGetChecksumFrom4kBuffer((uint16_t*)&gbeStruct4k, desiredValue, 0);
+}
+
+/* modify the gbe region extracted from a factory.rom dump */
+struct GBEREGIONRECORD_8K deblobbedGbeStructFromFactory(struct GBEREGIONRECORD_8K gbeStruct8k)
+{
+ unsigned int i;
+
+ /*
+ * http://www.intel.co.uk/content/dam/doc/application-note/82573-nvm-map-appl-note.pdf
+ * That is a datasheet for a later chipset. Word 40H-53H seems (as per this datasheet) to be for AMT.
+ * Writing over it doesn't seem to cause any harm, since the ME/AMT is already removed in libreboot.
+ */
+ for(i = 0; i < sizeof(gbeStruct8k.backup.padding); i++) {
+ gbeStruct8k.backup.padding[i] = 0xFF; /* FF is correct. In the struct, this is a char buffer. */
+ } /* We really only need to do this for words 40h-53h, but let's just nuke the whole lot. It's all 0xFF anyway. */
+
+ /* Fix the checksum */
+ gbeStruct8k.backup.checkSum = gbeGetChecksumFrom4kStruct(gbeStruct8k.backup, GBECHECKSUMTOTAL);
+
+ /* Main Gbe region on X200 (as shipped by Lenovo) is broken. Fix it by over-writing it with the contents of the backup */
+ memcpy(&gbeStruct8k.main, &gbeStruct8k.backup, GBEREGIONSIZE_4K);
+
+ return gbeStruct8k;
+}
+
+/*
+ * ---------------------------------------------------------------------
+ * C code generator (self-writing code)
+ * ---------------------------------------------------------------------
+ */
+
+/*
+ * Generate a C (.h) header file for the C source file made by notCreatedCFileFromGbeStruct4k()
+ *
+ * Output it to a file.
+ */
+int notCreatedHFileForGbeCFile(char* outFileName, char* cFileName)
+{
+ remove(outFileName); /* Remove the old file before continuing */
+
+ /* Open the file that will be written to */
+ FILE* fp = fopen(outFileName, "w+");
+
+ /* ------------------------------ */
+
+ fprintf(fp, "/* %s: generated C code from ich9deblob */\n", outFileName);
+ fprintf(fp, "/* .h header file for the gbe-generating C code (%s) */\n\n", cFileName);
+
+ fprintf(fp, "#ifndef ICH9GEN_MKGBE_H\n");
+ fprintf(fp, "#define ICH9GEN_MKGBE_H\n\n");
+
+ fprintf(fp, "#include <stdio.h>\n");
+ fprintf(fp, "#include <string.h>\n");
+ fprintf(fp, "#include \"../gbe/gbe.h\"\n\n");
+
+ fprintf(fp, "struct GBEREGIONRECORD_4K generatedGbeStruct4k();\n");
+ fprintf(fp, "struct GBEREGIONRECORD_8K generatedGbeStruct8k();\n\n");
+
+ fprintf(fp, "#endif\n");
+
+ /* ------------------------------ */
+
+ fclose(fp); /* Always close the file when done. */
+
+ return 0;
+}
+/*
+ * Generate a C source file that initializes the same data from a given
+ * 4KiB Gbe data structure.
+ *
+ * It will simply copy the 4KiB struct at the end to make a full 8KiB struct.
+ * So just pass a working 4KiB Gbe struct here and you're good to go.
+ *
+ * Output it to a file.
+ */
+int notCreatedCFileFromGbeStruct4k(struct GBEREGIONRECORD_4K gbeStruct4k, char* outFileName, char* headerFileName)
+{
+ int i;
+ int paddingSize;
+ int paddingIdentical;
+
+ remove(outFileName); /* Remove the old file before continuing */
+
+ /* Open the file that will be written to */
+ FILE* fp = fopen(outFileName, "w+");
+
+ /* ------------------------------ */
+
+ fprintf(fp, "/* %s: generated C code from ich9deblob */\n", outFileName);
+ fprintf(fp, "/* .c source file for the gbe-generating C code */\n\n");
+
+ fprintf(fp, "#include \"%s\"\n\n", headerFileName);
+
+ fprintf(fp, "/* Generate a 4KiB Gbe struct, with default values. */\n");
+ fprintf(fp, "/* Read ../gbe/gbe.h for an explanation of the default values used here */\n\n");
+
+ fprintf(fp, "struct GBEREGIONRECORD_4K generatedGbeStruct4k()\n");
+ fprintf(fp, "{\n");
+ fprintf(fp, " int i;\n");
+ fprintf(fp, " struct GBEREGIONRECORD_4K gbeStruct4k;\n");
+ fprintf(fp, "\n");
+ /* Words 00h to 02h: MAC Address */
+ fprintf(fp, " /* MAC address (words 00h to 02h) */\n");
+ fprintf(fp, " /* see ../gbe/gbe.c */\n");
+ for (i = 0; i < 6; i++) {
+ fprintf(fp, " gbeStruct4k.macAddress[%d] = 0x%02x;\n", i, gbeStruct4k.macAddress[i]);
+ }
+ fprintf(fp, "\n");
+ /* Word 03h (Reserved) */
+ fprintf(fp, " /* Word 03h (Reserved) */\n");
+ fprintf(fp, " gbeStruct4k.reservedWord03h.reserved1_0 = 0x%02x;\n", gbeStruct4k.reservedWord03h.reserved1_0);
+ fprintf(fp, " gbeStruct4k.reservedWord03h.reserved1_1 = 0x%01x;\n", gbeStruct4k.reservedWord03h.reserved1_1);
+ fprintf(fp, " gbeStruct4k.reservedWord03h.ibaLom = 0x%01x;\n", gbeStruct4k.reservedWord03h.ibaLom);
+ fprintf(fp, " gbeStruct4k.reservedWord03h.reserved2 = 0x%01x;\n", gbeStruct4k.reservedWord03h.reserved2);
+ fprintf(fp, "\n");
+ /* Word 04h (Reserved) */
+ fprintf(fp, " /* Word 04h (Reserved) */\n");
+ fprintf(fp, " gbeStruct4k.reservedWord04h = 0x%04x;\n", gbeStruct4k.reservedWord04h);
+ fprintf(fp, "\n");
+ /* Word 05h (Image Version Information) */
+ fprintf(fp, " /* Word 05h (Image Version Information) */\n");
+ fprintf(fp, " gbeStruct4k.imageVersionInformation = 0x%04x;\n", gbeStruct4k.imageVersionInformation);
+ fprintf(fp, "\n");
+ /* Words 06h and 07h (Reserved) */
+ fprintf(fp, " /* Words 06h and 07h (Reserved) */\n");
+ for (i = 0; i < 2; i++) {
+ fprintf(fp, " gbeStruct4k.reservedWords06h07h[%d] = 0x%04x;\n", i, gbeStruct4k.reservedWords06h07h[i]);
+ }
+ fprintf(fp, "\n");
+ /* Words 08h and 09h (PBA Low and PBA High) */
+ fprintf(fp, " /* Word 08h and 09h (PBA Low and PBA High) */\n");
+ fprintf(fp, " gbeStruct4k.pbaLow = 0x%04x;\n", gbeStruct4k.pbaLow);
+ fprintf(fp, " gbeStruct4k.pbaHigh = 0x%04x;\n", gbeStruct4k.pbaHigh);
+ fprintf(fp, "\n");
+ /* Word 0Ah (PCI Initialization Control Word) */
+ fprintf(fp, " /* Word 0Ah (PCI Initialization Control Word) */\n");
+ fprintf(fp, " gbeStruct4k.pciInitializationControlWord.loadVendorDeviceId = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.loadVendorDeviceId);
+ fprintf(fp, " gbeStruct4k.pciInitializationControlWord.loadSubsystemId = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.loadSubsystemId);
+ fprintf(fp, " gbeStruct4k.pciInitializationControlWord.reserved1 = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.reserved1);
+ fprintf(fp, " gbeStruct4k.pciInitializationControlWord.reserved2 = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.reserved2);
+ fprintf(fp, " gbeStruct4k.pciInitializationControlWord.pmEnable = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.pmEnable);
+ fprintf(fp, " gbeStruct4k.pciInitializationControlWord.auxPwr = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.auxPwr);
+ fprintf(fp, " gbeStruct4k.pciInitializationControlWord.reserved3 = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.reserved3);
+ fprintf(fp, " gbeStruct4k.pciInitializationControlWord.reserved4 = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.reserved4);
+ fprintf(fp, "\n");
+ /* Word 0Bh (Subsystem ID) */
+ fprintf(fp, " /* Word 0Bh (Subsystem ID) */\n");
+ fprintf(fp, " gbeStruct4k.subsystemId = 0x%04x;\n", gbeStruct4k.subsystemId);
+ fprintf(fp, "\n");
+ /* Word 0Ch (Subsystem Vendor ID) */
+ fprintf(fp, " /* Word 0Ch (Subsystem Vendor ID) */\n");
+ fprintf(fp, " gbeStruct4k.subsystemVendorId = 0x%04x;\n", gbeStruct4k.subsystemVendorId);
+ fprintf(fp, "\n");
+ /* Word 0Dh (Device ID) */
+ fprintf(fp, " /* Word 0Dh (Device ID) */\n");
+ fprintf(fp, " gbeStruct4k.deviceId = 0x%04x;\n", gbeStruct4k.deviceId);
+ fprintf(fp, "\n");
+ /* Word 0Eh (Vendor ID) */
+ fprintf(fp, " /* Word 0Eh (Vendor ID) */\n");
+ fprintf(fp, " gbeStruct4k.vendorId = 0x%04x;\n", gbeStruct4k.vendorId);
+ fprintf(fp, "\n");
+ /* Word 0Fh (Device Revision ID) */
+ fprintf(fp, " /* Word 0Fh (Device Revision ID) */\n");
+ fprintf(fp, " gbeStruct4k.deviceRevId = 0x%04x;\n", gbeStruct4k.deviceRevId);
+ fprintf(fp, "\n");
+ /* Word 10h (LAN Power Consumption) */
+ fprintf(fp, " /* Word 10h (LAN Power Consumption) */\n");
+ fprintf(fp, " gbeStruct4k.lanPowerConsumption.lanD3Power = 0x%02x;\n", gbeStruct4k.lanPowerConsumption.lanD3Power);
+ fprintf(fp, " gbeStruct4k.lanPowerConsumption.reserved = 0x%01x;\n", gbeStruct4k.lanPowerConsumption.reserved);
+ fprintf(fp, " gbeStruct4k.lanPowerConsumption.lanD0Power = 0x%02x;\n", gbeStruct4k.lanPowerConsumption.lanD0Power);
+ fprintf(fp, "\n");
+ /* Words 11h and 12h (Reserved) */
+ fprintf(fp, " /* Words 11h and 12h (Reserved) */\n");
+ for (i = 0; i < 2; i++) {
+ fprintf(fp, " gbeStruct4k.reservedWords11h12h[%d] = 0x%04x;\n", i, gbeStruct4k.reservedWords11h12h[i]);
+ }
+ fprintf(fp, "\n");
+ /* Word 13h (Shared Initialization Control Word) */
+ fprintf(fp, " /* Word 13h (Shared Initialization Control Word) */\n");
+ fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.reserved1 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved1);
+ fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.forceDuplex = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.forceDuplex);
+ fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.forceSpeedEnable = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.forceSpeedEnable);
+ fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.reserved2_0 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved2_0);
+ fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.reserved2_1 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved2_1);
+ fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.phyPowerDownEnable = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.phyPowerDownEnable);
+ fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.reserved3 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved3);
+ fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.reserved4 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved4);
+ fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.sign = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.sign);
+ fprintf(fp, "\n");
+ /* Word 14h (Extended Configuration Control Word 1) */
+ fprintf(fp, " /* Word 14h (Extended Configuration Control Word 1) */\n");
+ fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord1.extendedConfigurationPointer = 0x%03x;\n", gbeStruct4k.extendedConfigurationControlWord1.extendedConfigurationPointer);
+ fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord1.oemWriteEnable = 0x%01x;\n", gbeStruct4k.extendedConfigurationControlWord1.oemWriteEnable);
+ fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord1.reserved1 = 0x%01x;\n", gbeStruct4k.extendedConfigurationControlWord1.reserved1);
+ fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord1.reserved2 = 0x%01x;\n", gbeStruct4k.extendedConfigurationControlWord1.reserved2);
+ fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord1.reserved3 = 0x%01x;\n", gbeStruct4k.extendedConfigurationControlWord1.reserved3);
+ fprintf(fp, "\n");
+ /* Word 15h (Extended Configuration Control Word 2) */
+ fprintf(fp, " /* Word 15h (Extended Configuration Control Word 2) */\n");
+ fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord2.reserved = 0x%02x;\n", gbeStruct4k.extendedConfigurationControlWord2.reserved);
+ fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord2.extendedPhyLength = 0x%02x;\n", gbeStruct4k.extendedConfigurationControlWord2.extendedPhyLength);
+ fprintf(fp, "\n");
+ /* Word 16h (Extended Configuration Control Word 3) */
+ fprintf(fp, " /* Word 16h (Extended Configuration Control Word 3) */\n");
+ fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord3 = 0x%04x;\n", gbeStruct4k.extendedConfigurationControlWord3);
+ fprintf(fp, "\n");
+ /* Word 17h (LED 1 Configuration and Power Management) */
+ fprintf(fp, " /* Word 17h (LED 1 Configuration and Power Management) */\n");
+ fprintf(fp, " gbeStruct4k.ledCtl1.led1Mode = 0x%01x;\n", gbeStruct4k.ledCtl1.led1Mode);
+ fprintf(fp, " gbeStruct4k.ledCtl1.reserved1 = 0x%01x;\n", gbeStruct4k.ledCtl1.reserved1);
+ fprintf(fp, " gbeStruct4k.ledCtl1.led1BlinkMode = 0x%01x;\n", gbeStruct4k.ledCtl1.led1BlinkMode);
+ fprintf(fp, " gbeStruct4k.ledCtl1.led1Invert = 0x%01x;\n", gbeStruct4k.ledCtl1.led1Invert);
+ fprintf(fp, " gbeStruct4k.ledCtl1.led1Blink = 0x%01x;\n", gbeStruct4k.ledCtl1.led1Blink);
+ fprintf(fp, " gbeStruct4k.ledCtl1.reserved2 = 0x%01x;\n", gbeStruct4k.ledCtl1.reserved2);
+ fprintf(fp, " gbeStruct4k.ledCtl1.lpluEnable = 0x%01x;\n", gbeStruct4k.ledCtl1.lpluEnable);
+ fprintf(fp, " gbeStruct4k.ledCtl1.lpluEnableNonD0a = 0x%01x;\n", gbeStruct4k.ledCtl1.lpluEnableNonD0a);
+ fprintf(fp, " gbeStruct4k.ledCtl1.gbeDisableNonD0a = 0x%01x;\n", gbeStruct4k.ledCtl1.gbeDisableNonD0a);
+ fprintf(fp, " gbeStruct4k.ledCtl1.reserved3 = 0x%01x;\n", gbeStruct4k.ledCtl1.reserved3);
+ fprintf(fp, " gbeStruct4k.ledCtl1.gbeDisable = 0x%01x;\n", gbeStruct4k.ledCtl1.gbeDisable);
+ fprintf(fp, " gbeStruct4k.ledCtl1.reserved4 = 0x%01x;\n", gbeStruct4k.ledCtl1.reserved4);
+ fprintf(fp, "\n");
+ /* Word 18h (LED 0 and 2 Configuration Defaults) */
+ fprintf(fp, " /* Word 18h (LED 0 and 2 Configuration Defaults) */\n");
+ fprintf(fp, " gbeStruct4k.ledCtl02.led0Mode = 0x%01x;\n", gbeStruct4k.ledCtl02.led0Mode);
+ fprintf(fp, " gbeStruct4k.ledCtl02.reserved1 = 0x%01x;\n", gbeStruct4k.ledCtl02.reserved1);
+ fprintf(fp, " gbeStruct4k.ledCtl02.led0BlinkMode = 0x%01x;\n", gbeStruct4k.ledCtl02.led0BlinkMode);
+ fprintf(fp, " gbeStruct4k.ledCtl02.led0Invert = 0x%01x;\n", gbeStruct4k.ledCtl02.led0Invert);
+ fprintf(fp, " gbeStruct4k.ledCtl02.led0Blink = 0x%01x;\n", gbeStruct4k.ledCtl02.led0Blink);
+ fprintf(fp, " gbeStruct4k.ledCtl02.led2Mode = 0x%01x;\n", gbeStruct4k.ledCtl02.led2Mode);
+ fprintf(fp, " gbeStruct4k.ledCtl02.reserved2 = 0x%01x;\n", gbeStruct4k.ledCtl02.reserved2);
+ fprintf(fp, " gbeStruct4k.ledCtl02.led2BlinkMode = 0x%01x;\n", gbeStruct4k.ledCtl02.led2BlinkMode);
+ fprintf(fp, " gbeStruct4k.ledCtl02.led2Invert = 0x%01x;\n", gbeStruct4k.ledCtl02.led2Invert);
+ fprintf(fp, " gbeStruct4k.ledCtl02.led2Blink = 0x%01x;\n", gbeStruct4k.ledCtl02.led2Blink);
+ fprintf(fp, "\n");
+ /* Word 19h (Reserved) */
+ fprintf(fp, " /* Word 19h (Reserved) */\n");
+ fprintf(fp, " gbeStruct4k.reservedWord19h = 0x%04x;\n", gbeStruct4k.reservedWord19h);
+ fprintf(fp, "\n");
+ /* Word 1Ah (Reserved) */
+ fprintf(fp, " /* Word 1Ah (Reserved) */\n");
+ fprintf(fp, " gbeStruct4k.reservedWord1Ah = 0x%04x;\n", gbeStruct4k.reservedWord1Ah);
+ fprintf(fp, "\n");
+ /* Word 1Bh (Reserved) */
+ fprintf(fp, " /* Word 1Bh (Reserved) */\n");
+ fprintf(fp, " gbeStruct4k.reservedWord1Bh = 0x%04x;\n", gbeStruct4k.reservedWord1Bh);
+ fprintf(fp, "\n");
+ /* Word 1Ch (Reserved) */
+ fprintf(fp, " /* Word 1Ch (Reserved) */\n");
+ fprintf(fp, " gbeStruct4k.reservedWord1Ch = 0x%04x;\n", gbeStruct4k.reservedWord1Ch);
+ fprintf(fp, "\n");
+ /* Word 1Dh (Reserved) */
+ fprintf(fp, " /* Word 1Dh (Reserved) */\n");
+ fprintf(fp, " gbeStruct4k.reservedWord1Dh = 0x%04x;\n", gbeStruct4k.reservedWord1Dh);
+ fprintf(fp, "\n");
+ /* Word 1Eh (Device ID for Intel 82567LM gigabit ethernet controller) */
+ fprintf(fp, " /* Word 1Eh (Device ID for Intel 82567LM gigabit ethernet controller) */\n");
+ fprintf(fp, " gbeStruct4k._82567lmDeviceId = 0x%04x;\n", gbeStruct4k._82567lmDeviceId);
+ fprintf(fp, "\n");
+ /* Word 1Fh (Device ID for Intel 82567LF gigabit ethernet controller) */
+ fprintf(fp, " /* Word 1Fh (Device ID for Intel 82567LF gigabit ethernet controller) */\n");
+ fprintf(fp, " gbeStruct4k._82567lfDeviceId = 0x%04x;\n", gbeStruct4k._82567lfDeviceId);
+ fprintf(fp, "\n");
+ /* Word 20h (Reserved) */
+ fprintf(fp, " /* Word 20h (Reserved) */\n");
+ fprintf(fp, " gbeStruct4k.reservedWord20h = 0x%04x;\n", gbeStruct4k.reservedWord20h);
+ fprintf(fp, "\n");
+ /* Word 21h (Device ID for Intel 82567V gigabit ethernet controller) */
+ fprintf(fp, " /* Word 21h (Device ID for Intel 82567V gigabit ethernet controller) */\n");
+ fprintf(fp, " gbeStruct4k._82567vDeviceId = 0x%04x;\n", gbeStruct4k._82567vDeviceId);
+ fprintf(fp, "\n");
+ /* Word 22h (Reserved) */
+ fprintf(fp, " /* Word 22h (Reserved) */\n");
+ fprintf(fp, " gbeStruct4k.reservedWord22h = 0x%04x;\n", gbeStruct4k.reservedWord22h);
+ fprintf(fp, "\n");
+ /* Word 23h (Reserved) */
+ fprintf(fp, " /* Word 23h (Reserved) */\n");
+ fprintf(fp, " gbeStruct4k.reservedWord23h = 0x%04x;\n", gbeStruct4k.reservedWord23h);
+ fprintf(fp, "\n");
+ /* Words 24h to 2Fh (Reserved) */
+ fprintf(fp, " /* Words 24h to 2Fh (Reserved) */\n");
+ for (i = 0; i < 12; i++) {
+ fprintf(fp, " gbeStruct4k.reservedWords24to2Fh[%d] = 0x%04x;\n", i, gbeStruct4k.reservedWords24to2Fh[i]);
+ }
+ fprintf(fp, "\n");
+ /* Words 30h to 3Eh (PXE Software Region) */
+ fprintf(fp, " /* Words 30h to 3Eh (PXE Software Region) */\n");
+ fprintf(fp, " /* Boot Agent Main Setup Options (Word 30h) */\n");
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.protocolSelect = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.protocolSelect);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved1 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved1);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.defaultBootSelection = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.defaultBootSelection);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved2 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved2);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.promptTime = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.promptTime);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.displaySetupMessage = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.displaySetupMessage);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved3 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved3);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceSpeed = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceSpeed);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceFullDuplex = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceFullDuplex);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved4 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved4);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.efiPresence = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.efiPresence);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.pxePresence = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.pxePresence);
+ fprintf(fp, " /* Boot Agent Configuration Customization Options (Word 31h) */\n");
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableSetupMenu = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableSetupMenu);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableTitleMessage = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableTitleMessage);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableProtocolSelect = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableProtocolSelect);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableBootSelection = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableBootSelection);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableLegacyWakeupSupport = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableLegacyWakeupSupport);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableFlashUpdate = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableFlashUpdate);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved1 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved1);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.ibaBootOrderSetupMode = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.ibaBootOrderSetupMode);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved2 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved2);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.signature = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.signature);
+ fprintf(fp, " /* Boot Agent Configuration Customization Options (Word 32h) */\n");
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.buildNumber = 0x%02x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.buildNumber);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.minorVersionNumber = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.minorVersionNumber);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.majorVersionNumber = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.majorVersionNumber);
+ fprintf(fp, " /* IBA Capabilities (Word 33h) */\n");
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.baseCodePresent = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.baseCodePresent);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.undiCapabilityPresent = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.undiCapabilityPresent);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved1 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved1);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.efiUndiCapabilityPresent = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.efiUndiCapabilityPresent);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_0 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_0);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_1 = 0x%02x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_1);
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.signature = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.signature);
+ fprintf(fp, " /* Padding (Words 34h to 3Eh) */\n");
+ for (i = 0; i < 11; i++) {
+ fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[%d] = 0x%04x;\n", i, gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[i]);
+ }
+ fprintf(fp, "\n");
+ /* Word 3Fh (Checksum) */
+ fprintf(fp, " /* Word 3Fh (Checksum) */\n");
+ fprintf(fp, " gbeStruct4k.checkSum = gbeGetChecksumFrom4kStruct(gbeStruct4k, GBECHECKSUMTOTAL);\n");
+
+ fprintf(fp, "\n");
+ /* The rest of Gbe is just padding */
+ paddingSize = sizeof(gbeStruct4k.padding);
+ paddingIdentical = 1; /* Assume that it's all 0xFF, then try to disprove it */
+ for (i = 0; i < paddingSize; i++) { /* check whether contents differ */
+ if (gbeStruct4k.padding[i] != 0xFF) {
+ paddingIdentical = 0;
+ break;
+ }
+ }
+ if (!paddingIdentical) {
+ fprintf(fp, " /* The rest of Gbe (word 40h or byte 80h onwards) is just padding */\n");
+ for (i = 0; i < paddingSize; i++) { /* contents are not all 0xFF, just spit them all out one by one */
+ fprintf(fp, " gbeStruct4k.padding[%d] = 0x%02x;\n", i, gbeStruct4k.padding[i]);
+ }
+ } else { /* contents are all 0xFF. Generate a small for loop that sets them all to 0xFF */
+ fprintf(fp, " /* The rest of Gbe (word 40h or byte 80h onwards) is just padding (0xFF) */\n");
+ fprintf(fp, " for (i = 0; i < %d; i++) {\n", paddingSize);
+ fprintf(fp, " gbeStruct4k.padding[i] = 0xFF;\n");
+ fprintf(fp, " }\n");
+ }
+ fprintf(fp, "\n");
+ fprintf(fp, " return gbeStruct4k;\n");
+ fprintf(fp, "}\n\n");
+
+ fprintf(fp, "struct GBEREGIONRECORD_8K generatedGbeStruct8k()\n");
+ fprintf(fp, "{\n");
+ fprintf(fp, " struct GBEREGIONRECORD_8K gbeStruct8k;\n");
+ fprintf(fp, " gbeStruct8k.main = generatedGbeStruct4k();\n");
+ fprintf(fp, " memcpy(&gbeStruct8k.backup, &gbeStruct8k.main, GBEREGIONSIZE_4K);\n");
+ fprintf(fp, " return gbeStruct8k;\n");
+ fprintf(fp, "}\n\n");
+
+ /* ------------------------------ */
+
+ fclose(fp); /* Always close the file when done. */
+
+ return 0;
+}
+
+int showGbeData(struct GBEREGIONRECORD_4K gbeStruct4k)
+{
+ int i;
+
+ printf("GbE REGION\n");
+ printf("==========\n");
+
+ printf("A *word*, in this context, means two 8-bit bytes.\n\n");
+
+ printf("**MAC address** (words 00h to 02h) = ");
+ for (i = 0; i < 6; i++) {
+ printf("%02x", gbeStruct4k.macAddress[i]);
+ if (i!=5) printf(":");
+ }
+ printf("\n\n");
+
+ printf("Word 03h (Reserved)\n");
+ printf("-------------------\n\n");
+
+ printf("- reserved1_0 = 0x%02x\n", gbeStruct4k.reservedWord03h.reserved1_0);
+ printf("- reserved1_1 = 0x%01x\n", gbeStruct4k.reservedWord03h.reserved1_1);
+ printf("- IBA Lom = 0x%01x\n", gbeStruct4k.reservedWord03h.ibaLom);
+ printf("- reserved2 = 0x%01x\n\n", gbeStruct4k.reservedWord03h.reserved2);
+
+ printf("Word 04h (Reserved)\n");
+ printf("-------------------\n\n");
+
+ printf("- reservedWord04h = 0x%04x\n\n", gbeStruct4k.reservedWord04h);
+
+ /* Word 05h (Image Version Information) */
+ printf("Word 05h (Image Version Information)\n");
+ printf("------------------------------------\n\n");
+
+ printf("- Image Version Information = 0x%04x\n\n", gbeStruct4k.imageVersionInformation);
+
+ printf("Words 06h and 07h (Reserved)\n");
+ printf("----------------------------\n\n");
+
+ for (i = 0; i < 2; i++) {
+ printf("- Offset %d = 0x%04x\n", i, gbeStruct4k.reservedWords06h07h[i]);
+ }
+ printf("\n");
+
+ /* Words 08h and 09h (PBA Low and PBA High) */
+ printf("Word 08h and 09h (PBA Low and PBA High)\n");
+ printf("---------------------------------------\n\n");
+
+ printf("- pbaLow = 0x%04x\n", gbeStruct4k.pbaLow);
+ printf("- pbaHigh = 0x%04x\n\n", gbeStruct4k.pbaHigh);
+
+ printf("Word 0Ah (PCI Initialization Control Word)\n");
+ printf("------------------------------------------\n\n");
+
+ printf("- Load Vendor Device ID = 0x%01x\n", gbeStruct4k.pciInitializationControlWord.loadVendorDeviceId);
+ printf("- Load Subsystem ID = 0x%01x\n", gbeStruct4k.pciInitializationControlWord.loadSubsystemId);
+ printf("- reserved1 = 0x%01x\n", gbeStruct4k.pciInitializationControlWord.reserved1);
+ printf("- reserved2 = 0x%01x\n", gbeStruct4k.pciInitializationControlWord.reserved2);
+ printf("- PM Enable = 0x%01x\n", gbeStruct4k.pciInitializationControlWord.pmEnable);
+ printf("- Auxillary Power = 0x%01x\n", gbeStruct4k.pciInitializationControlWord.auxPwr);
+ printf("- reserved3 = 0x%01x\n", gbeStruct4k.pciInitializationControlWord.reserved3);
+ printf("- reserved4 = 0x%01x\n\n", gbeStruct4k.pciInitializationControlWord.reserved4);
+
+ printf("Word 0Bh (Subsystem ID)\n");
+ printf("-----------------------\n\n");
+
+ printf("- Subsystem ID = 0x%04x\n\n", gbeStruct4k.subsystemId);
+
+ printf("Word 0Ch (Subsystem Vendor ID)\n");
+ printf("------------------------------\n\n");
+
+ printf("- Subsystem Vendor ID = 0x%04x\n\n", gbeStruct4k.subsystemVendorId);
+
+ printf("Word 0Dh (Device ID)\n");
+ printf("--------------------\n\n");
+
+ printf("- Device ID = 0x%04x\n\n", gbeStruct4k.deviceId);
+
+ printf("Word 0Eh (Vendor ID)\n");
+ printf("--------------------\n\n");
+
+ printf("- Vendor ID = 0x%04x\n\n", gbeStruct4k.vendorId);
+
+ printf("Word 0Fh (Device Revision ID)\n");
+ printf("-----------------------------\n\n");
+
+ printf("- Device Revision ID = 0x%04x\n\n", gbeStruct4k.deviceRevId);
+
+ printf("Word 10h (LAN Power Consumption)\n");
+ printf("--------------------------------\n\n");
+
+ printf("- LAN D3 Power = 0x%02x\n", gbeStruct4k.lanPowerConsumption.lanD3Power);
+ printf("- reserved = 0x%01x\n", gbeStruct4k.lanPowerConsumption.reserved);
+ printf("- LAN D0 Power = 0x%02x\n\n", gbeStruct4k.lanPowerConsumption.lanD0Power);
+
+ printf("Words 11h and 12h (Reserved)\n");
+ printf("----------------------------\n\n");
+
+ for (i = 0; i < 2; i++) {
+ printf("- Offset %d = 0x%04x\n", i, gbeStruct4k.reservedWords11h12h[i]);
+ }
+ printf("\n");
+
+ /* Word 13h (Shared Initialization Control Word) */
+ printf("Word 13h (Shared Initialization Control Word)\n");
+ printf("---------------------------------------------\n\n");
+
+ printf("- reserved1 = 0x%01x\n", gbeStruct4k.sharedInitializationControlWord.reserved1);
+ printf("- Force Duplex = 0x%01x\n", gbeStruct4k.sharedInitializationControlWord.forceDuplex);
+ printf("- Force Speed Enable = 0x%01x\n", gbeStruct4k.sharedInitializationControlWord.forceSpeedEnable);
+ printf("- reserved2_0 = 0x%01x\n", gbeStruct4k.sharedInitializationControlWord.reserved2_0);
+ printf("- reserved2_1 = 0x%01x\n", gbeStruct4k.sharedInitializationControlWord.reserved2_1);
+ printf("- PHY Power Down Enable = 0x%01x\n", gbeStruct4k.sharedInitializationControlWord.phyPowerDownEnable);
+ printf("- reserved3 = 0x%01x\n", gbeStruct4k.sharedInitializationControlWord.reserved3);
+ printf("- reserved4 = 0x%01x\n", gbeStruct4k.sharedInitializationControlWord.reserved4);
+ printf("- Sign = 0x%01x\n\n", gbeStruct4k.sharedInitializationControlWord.sign);
+
+ printf("Word 14h (Extended Configuration Control Word 1)\n");
+ printf("------------------------------------------------\n\n");
+
+ printf("- Extended Configuration Pointer = 0x%03x\n", gbeStruct4k.extendedConfigurationControlWord1.extendedConfigurationPointer);
+ printf("- OEM Write Enable = 0x%01x\n", gbeStruct4k.extendedConfigurationControlWord1.oemWriteEnable);
+ printf("- reserved1 = 0x%01x\n", gbeStruct4k.extendedConfigurationControlWord1.reserved1);
+ printf("- reserved2 = 0x%01x\n", gbeStruct4k.extendedConfigurationControlWord1.reserved2);
+ printf("- reserved3 = 0x%01x\n\n", gbeStruct4k.extendedConfigurationControlWord1.reserved3);
+
+ printf("Word 15h (Extended Configuration Control Word 2)\n");
+ printf("------------------------------------------------\n\n");
+
+ printf("- reserved = 0x%02x\n", gbeStruct4k.extendedConfigurationControlWord2.reserved);
+ printf("- Extended PHY Length = 0x%02x\n\n", gbeStruct4k.extendedConfigurationControlWord2.extendedPhyLength);
+
+ printf("Word 16h (Extended Configuration Control Word 3)\n");
+ printf("------------------------------------------------\n\n");
+
+ printf("- Extended Configuration Control Word 3 = 0x%04x\n\n", gbeStruct4k.extendedConfigurationControlWord3);
+
+ printf("Word 17h (LED 1 Configuration and Power Management)\n");
+ printf("---------------------------------------------------\n\n");
+
+ printf("- LED1 Mode = 0x%01x\n", gbeStruct4k.ledCtl1.led1Mode);
+ printf("- reserved1 = 0x%01x\n", gbeStruct4k.ledCtl1.reserved1);
+ printf("- LED1 Blink Mode = 0x%01x\n", gbeStruct4k.ledCtl1.led1BlinkMode);
+ printf("- LED1 Invert = 0x%01x\n", gbeStruct4k.ledCtl1.led1Invert);
+ printf("- LED1 Blink = 0x%01x\n", gbeStruct4k.ledCtl1.led1Blink);
+ printf("- reserved2 = 0x%01x\n", gbeStruct4k.ledCtl1.reserved2);
+ printf("- LPLU Enable = 0x%01x\n", gbeStruct4k.ledCtl1.lpluEnable);
+ printf("- LPLU Enable Non-D0a = 0x%01x\n", gbeStruct4k.ledCtl1.lpluEnableNonD0a);
+ printf("- GbE Disable Non-D0a = 0x%01x\n", gbeStruct4k.ledCtl1.gbeDisableNonD0a);
+ printf("- reserved3 = 0x%01x\n", gbeStruct4k.ledCtl1.reserved3);
+ printf("- GbE Disable = 0x%01x\n", gbeStruct4k.ledCtl1.gbeDisable);
+ printf("- reserved4 = 0x%01x\n\n", gbeStruct4k.ledCtl1.reserved4);
+
+ printf("Word 18h (LED 0 and 2 Configuration Defaults)\n");
+ printf("---------------------------------------------\n\n");
+
+ printf("- LED0 Mode = 0x%01x\n", gbeStruct4k.ledCtl02.led0Mode);
+ printf("- reserved1 = 0x%01x\n", gbeStruct4k.ledCtl02.reserved1);
+ printf("- LED0 Blink Mode = 0x%01x\n", gbeStruct4k.ledCtl02.led0BlinkMode);
+ printf("- LED0 Invert = 0x%01x\n", gbeStruct4k.ledCtl02.led0Invert);
+ printf("- LED0 Blink = 0x%01x\n", gbeStruct4k.ledCtl02.led0Blink);
+ printf("- LED2 Mode = 0x%01x\n", gbeStruct4k.ledCtl02.led2Mode);
+ printf("- reserved2 = 0x%01x\n", gbeStruct4k.ledCtl02.reserved2);
+ printf("- LED2 Blink Mode = 0x%01x\n", gbeStruct4k.ledCtl02.led2BlinkMode);
+ printf("- LED2 Invert = 0x%01x\n", gbeStruct4k.ledCtl02.led2Invert);
+ printf("- LED2 Blink = 0x%01x\n\n", gbeStruct4k.ledCtl02.led2Blink);
+
+ printf("Word 19h (Reserved)\n");
+ printf("-------------------\n\n");
+
+ printf("- reservedWord19h = 0x%04x\n\n", gbeStruct4k.reservedWord19h);
+
+ printf("Word 1Ah (Reserved)\n");
+ printf("-------------------\n\n");
+
+ printf("- reservedWord1Ah = 0x%04x\n\n", gbeStruct4k.reservedWord1Ah);
+
+ printf("Word 1Bh (Reserved)\n");
+ printf("-------------------\n\n");
+
+ printf("- reservedWord1Bh = 0x%04x\n\n", gbeStruct4k.reservedWord1Bh);
+
+ printf("Word 1Ch (Reserved)\n");
+ printf("-------------------\n\n");
+
+ printf("- reservedWord1Ch = 0x%04x\n\n", gbeStruct4k.reservedWord1Ch);
+
+ printf("Word 1Dh (Reserved)\n");
+ printf("-------------------\n\n");
+
+ printf("- reservedWord1Dh = 0x%04x\n\n", gbeStruct4k.reservedWord1Dh);
+
+ printf("Word 1Eh (Device ID for Intel 82567LM gigabit ethernet controller)\n");
+ printf("------------------------------------------------------------------\n\n");
+
+ printf("- 82567LM Device ID = 0x%04x\n\n", gbeStruct4k._82567lmDeviceId);
+
+ printf("Word 1Fh (Device ID for Intel 82567LF gigabit ethernet controller)\n");
+ printf("------------------------------------------------------------------\n\n");
+
+ printf("- 82567LF Device ID = 0x%04x\n\n", gbeStruct4k._82567lfDeviceId);
+
+ printf("Word 20h (Reserved)\n");
+ printf("-------------------\n\n");
+
+ printf("- reservedWord20h = 0x%04x\n\n", gbeStruct4k.reservedWord20h);
+
+ printf("Word 21h (Device ID for Intel 82567V gigabit ethernet controller)\n");
+ printf("-----------------------------------------------------------------\n\n");
+
+ printf("- 82567V Device ID = 0x%04x\n\n", gbeStruct4k._82567vDeviceId);
+
+ printf("Word 22h (Reserved)\n");
+ printf("-------------------\n\n");
+
+ printf("- reservedWord22h = 0x%04x\n\n", gbeStruct4k.reservedWord22h);
+
+ printf("Word 23h (Reserved)\n");
+ printf("-------------------\n\n");
+
+ printf("- reservedWord23h = 0x%04x\n\n", gbeStruct4k.reservedWord23h);
+
+ printf("Words 24h to 2Fh (Reserved)\n");
+ printf("---------------------------\n\n");
+
+ for (i = 0; i < 12; i++) {
+ printf("- Offset %d = 0x%04x\n", i, gbeStruct4k.reservedWords24to2Fh[i]);
+ }
+ printf("\n");
+
+ printf("Words 30h to 3Eh (PXE Software Region)\n");
+ printf("--------------------------------------\n\n");
+
+ printf("Boot Agent Main Setup Options (Word 30h):\n\n");
+
+ printf("- Protocol Select = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.protocolSelect);
+ printf("- reserved1 = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved1);
+ printf("- Default Boot Selection = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.defaultBootSelection);
+ printf("- reserved2 = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved2);
+ printf("- Prompt Time = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.promptTime);
+ printf("- Display Setup Message = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.displaySetupMessage);
+ printf("- reserved3 = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved3);
+ printf("- Force Speed = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceSpeed);
+ printf("- Force Full Duplex = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceFullDuplex);
+ printf("- reserved4 = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved4);
+ printf("- EFI Presence = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.efiPresence);
+ printf("- PXE Presence = 0x%01x\n\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.pxePresence);
+
+ printf("Boot Agent Configuration Customization Options (Word 31h):\n\n");
+
+ printf("- Disable Setup Menu = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableSetupMenu);
+ printf("- Disable Title Message = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableTitleMessage);
+ printf("- Disable Protocol Select = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableProtocolSelect);
+ printf("- Disable Boot Selection = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableBootSelection);
+ printf("- Disable Legacy Wakeup Support = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableLegacyWakeupSupport);
+ printf("- Disable Flash Update = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableFlashUpdate);
+ printf("- reserved1 = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved1);
+ printf("- IBA Boot Order Setup Mode = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.ibaBootOrderSetupMode);
+ printf("- reserved2 = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved2);
+ printf("- Signature = 0x%01x\n\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.signature);
+
+ printf("Boot Agent Configuration Customization Options (Word 32h):\n\n");
+
+ printf("- Build Number = 0x%02x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.buildNumber);
+ printf("- Minor Version Number = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.minorVersionNumber);
+ printf("- Major Version Number = 0x%01x\n\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.majorVersionNumber);
+
+ printf("IBA Capabilities (Word 33h):\n\n");
+
+ printf("- Base Code Present = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.baseCodePresent);
+ printf("- UNDI Capability Present = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.undiCapabilityPresent);
+ printf("- reserved1 = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved1);
+ printf("- EFI UndiCapabilityPresent = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.efiUndiCapabilityPresent);
+ printf("- reserved2_0 = 0x%01x\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_0);
+ printf("- reserved2_1 = 0x%02x\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_1);
+ printf("- Signature = 0x%01x\n\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.signature);
+
+ printf("Padding (Words 34h to 3Eh):\n\n");
+
+ for (i = 0; i < 11; i++) {
+ printf("- Offset %d = 0x%04x\n", i, gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[i]);
+ }
+ printf("\n");
+
+ printf("Word 3Fh (Checksum):\n\n");
+
+ printf("- Check Sum = 0x%04x\n\n", gbeStruct4k.checkSum);
+
+ printf("The rest of this section is irrelevant. It can all be set to 0xFF.\n\n");
+
+ return 0;
+}
+
+
+/*
+ * ---------------------------------------------------------------------
+ * Debugging functions:
+ * ---------------------------------------------------------------------
+ */
+
+/*
+ * show debugging info: show calculated (correct) gbe checksum and what
+ * is actually stored, in a 4K gbe struct. Only for a single region.
+ */
+void printGbeChecksumDataFromStruct4k(struct GBEREGIONRECORD_4K gbeStruct4k, char* romName, char* regionName)
+{
+ printf(
+ "%s Gbe (%s): calculated Gbe checksum: 0x%hx and actual GBe checksum: 0x%hx\n",
+ romName,
+ regionName,
+ gbeGetChecksumFrom4kStruct(gbeStruct4k, GBECHECKSUMTOTAL),
+ gbeStruct4k.checkSum
+ );
+
+ return;
+}
+
+/*
+ * show debugging info: show calculated (correct) gbe checksum and what
+ * is actually stored, in a 8K gbe struct. Do so for main and backup regions.
+ */
+void printGbeChecksumDataFromStruct8k(struct GBEREGIONRECORD_8K gbeStruct8k, char* romName)
+{
+ printGbeChecksumDataFromStruct4k(gbeStruct8k.main, romName, "main");
+ printGbeChecksumDataFromStruct4k(gbeStruct8k.backup, romName, "backup");
+
+ return;
+}
diff --git a/src/gbe/gbe.h b/src/gbe/gbe.h
new file mode 100644
index 0000000..2352f7d
--- /dev/null
+++ b/src/gbe/gbe.h
@@ -0,0 +1,436 @@
+/*
+ * gbe/gbe.h
+ * This file is part of the ich9deblob utility from the libreboot project
+ *
+ * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
+ * 2014,2019 Leah Rowe <info@minifree.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/*
+ * Purpose: provide struct representing gbe region.
+ * Map actual buffers of this regions, directly to instances of these
+ * structs. This makes working with gbe 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 Gbe region (read whole datasheet):
+ * http://www.intel.co.uk/content/dam/doc/application-note/i-o-controller-hub-9m-82567lf-lm-v-nvm-map-appl-note.pdf
+ * https://web.archive.org/web/20150912070329/https://communities.intel.com/community/wired/blog/2010/10/14/how-to-basic-eeprom-checksums
+ */
+
+#ifndef GBESTRUCT_H
+#define GBESTRUCT_H
+
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include "../descriptor/descriptor.h"
+
+/* Size of the full gbe region in bytes */
+#define GBEREGIONSIZE_8K 0x2000
+/*
+ * Size of each sub-region in gbe.
+ * gbe contains two regions which
+ * can be identical: main and backup.
+ * These are each half the size of the full region
+ */
+#define GBEREGIONSIZE_4K 0x1000
+
+/*
+ * When adding up the first 0x3F 16-bit words
+ * in a 4KiB GBE region, it should be equal
+ * to 0xBABA
+ */
+#define GBECHECKSUMTOTAL 0xBABA
+
+/*
+ * These will have a modified descriptor+gbe based on what's in the factory.rom
+ * These will be joined into a single 12KiB buffer (descriptor, then gbe) and saved to a file
+ * NOTE: The GBE region of 8K is actually 2x 4K regions in a single region; both 4K blocks can be identical (and by default, are)
+ * The 2nd one is a "backup", but we don't know when it's used. perhaps it's used when the checksum on the first one does not match?
+ */
+
+/*
+ * ---------------------------------------------------------------------
+ * Gbe struct representing the data:
+ * ---------------------------------------------------------------------
+ */
+
+struct GBE_RESERVED_WORD_03H {
+ /* least significant bits */
+ uint8_t reserved1_0 : 8; /* bits should all be set to zero */
+ uint8_t reserved1_1 : 3; /* ^ part of above. Separated so that the bitfields align */
+ uint8_t ibaLom : 1; /* set to 1 for intel boot agent to work (i.e. set it to 0) */
+ uint8_t reserved2 : 4; /* bits should all be set to zero */
+ /* most significant bits */
+};
+
+/* Word 0A */
+struct GBE_PCI_INITIALIZATION_CONTROL_WORD {
+ /* least significant bits */
+ uint8_t loadVendorDeviceId : 1; /* 1 = load from NVM. 0 = load from MAC fuses. It's 1 in my deblobbed_descriptor.bin */
+ uint8_t loadSubsystemId : 1; /* 1 = load from NVM. 0 = load from MAC fuses. It's 1 in my deblobbed_descriptor.bin */
+ uint8_t reserved1 : 1; /* Reserved. Set to 0 (according to datasheet). 0 in my deblobbed_descriptor.bin */
+ uint8_t reserved2 : 3; /* Reserved. Set them to 0 (according to datasheet). 0 in my deblobbed_descriptor.bin */
+ uint8_t pmEnable : 1; /* Power Management Enable. 1=Enable. It's 1 in my deblobbed_descriptor.bin */
+ uint8_t auxPwr : 1; /* Auxiliary Power Indication. See datasheet. it's 1 in my deblobbed_descriptor.bin */
+ uint8_t reserved3 : 4; /* Reserved. Set to 0000 (according to datasheet). */
+ uint8_t reserved4 : 4; /* Reserved. Set to 0001 (according to datasheet). */
+ /* most significant bits */
+};
+
+/* Word 10h. */
+struct GBE_LAN_POWER_CONSUMPTION {
+ /* least significant bits */
+ uint8_t lanD3Power : 5; /* It's 00001b (0x1) in deblobbed_descriptor.bin */
+ uint8_t reserved : 3; /* Reserved. These bits should all be 0. confirmed from deblobbed_descriptor.bin */
+ uint8_t lanD0Power : 8; /* default value: 0x0D (according to datasheet). confirmed from deblobbed_descriptor.bin */
+ /* most significant bits */
+};
+
+/* Word 13h */
+struct GBE_SHARED_INITIALIZATION_CONTROL_WORD {
+ /* least significant bits */
+ uint8_t reserved1 : 3; /* Reserved. These bits should be set to 101 (0x5) in binary (according to datasheet and deblobbed_descriptor.bin) */
+ uint8_t forceDuplex : 1; /* Hardware default is 0 according to datasheet and deblobbed_descriptor.bin. Presumably to set whether the chipset is to operate at full- or half-duplex */
+ uint8_t forceSpeedEnable : 1; /* Hardware default is 0. Presumably to limited speed eg 10, 10/100, 10/100/1000 */
+ uint8_t reserved2_0 : 3; /* Reserved. All bits should be set to 0 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t reserved2_1 : 1; /* ^ part of above. separated so that bitfields align */
+ uint8_t phyPowerDownEnable : 1; /* PHY Power Down in D3/Dr (if WoL is disabled), 1 means Enable power down. deblobbed_descriptor.bin says 1 */
+ uint8_t reserved3 : 1; /* Reserved. Should be set to 1 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t reserved4 : 3; /* Reserved. These bits should all be 0 according to datasheet and deblobbed_descriptor.bin */
+ /* ^ reserved4: indicates whether a valid NVM is present. If invalid, MAC does not read NVM and uses default values. */
+ /* 00 = invalid NVM, 01 = invalid NVM, 10 = valid NVM present, 11 = invalid NVM */
+ /* Default should be 10 (binary) according to datasheet and deblobbed_descriptor.bin */
+ uint8_t sign : 2; /* Make sure to set this to 0x2 (10 in binary) */
+ /* most significant bits */
+};
+
+/* Word 14h */
+struct GBE_EXTENDED_CONFIGURATION_CONTROL_WORD_1 {
+ /* least significant bits */
+ uint16_t extendedConfigurationPointer: 12; /* dword: base address of extended configuration area in NVM. should not be zero. Default is 020h according to datasheet and deblobbed_descriptor.bin */
+ uint8_t oemWriteEnable : 1; /* 1=enable. if set, loads oem bits from phy_ctrl register to the 82567. loaded to EXTCNF_CTRL register. default is 1 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t reserved1 : 1; /* Reserved. default value 1 according to datasheet and deblobed_descriptor.bin */
+ uint8_t reserved2 : 1; /* Reserved. default value 0 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t reserved3 : 1; /* Reserved. default value 0 according to datasheet and deblobbed_descriptor.bin */
+ /* most significant bits */
+};
+
+/* Word 15h */
+struct GBE_EXTENDED_CONFIGURATION_CONTROL_WORD_2 {
+ /* least significant bits */
+ uint8_t reserved : 8; /* Reserved. Should be 0 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t extendedPhyLength : 8; /* dword: size of extended phy configuration area. most be 0 if phy config area is disabled. default is 0000101 (binary) or 05 (hex) according to datasheet, but 00001010 (0A) according to deblobbed_descriptor.bin. Is 0000101 (in the datasheet) a typo that actually means 00001010? */
+ /* most significant bits */
+};
+
+/*
+ * Word 17h: LED 1 Configuration and Power Management
+ *
+ * Default values for LEDCTL register fields controlling LED1 (LINK_1000)
+ * output behaviours and OEM fields that define PHY power management
+ * parameters loaded to the PHY_CTRL register.
+ */
+struct LED_CTL_1 {
+ /* least significant bits */
+
+ /* See page 16 in the datasheet to show the different modes. deblobbed_descriptor.bin has "ACTIVITY" mode set */
+ uint8_t led1Mode : 4; /* Default value 0111 (bin) 7 (hex) says datasheet. 1011 (bin) B (hex) according to deblobbed_descriptor.bin */
+
+ uint8_t reserved1 : 1; /* Reserved. Should be 0 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t led1BlinkMode : 1; /* 0 = slow blink, 1 = fast blink. should be identical to led0 blink mode. Default is 0 according to datasheet and deblobbed_descriptor.bin */
+ /* By setting this and led0 blink mode (see word 18h) to 1, you could enable a faster blinking on the LED's where the ethernet cable goes
+ * on the gigabit ethernet port. Not really useful. Slow blink is fine, and probably better (the LED will probably last longer) */
+
+ uint8_t led1Invert : 1; /* initial value of LED1_IVRT field. 0 = led1 has active low output, 1 is high active output. Default is 0 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t led1Blink : 1; /* 1 = led1 blinks, 0 = it does not. default 0 according to datasheet, but it's 1 in deblobbed_descriptor.bin */
+ uint8_t reserved2 : 1; /* Reserved. should be 1 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t lpluEnable : 1; /* Low Power Link Up. Enable links at lowest supported speed by both link partners in all power states. 1=enabled(all power states), 0=disabled. Default is 0 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t lpluEnableNonD0a : 1; /* Low Power Link up (non-D0a states). Same as above but only for non-D0a states. default is 1 according to and deblobbed_descriptor.bin */
+ uint8_t gbeDisableNonD0a : 1; /* If set to 1, disable gigabit speeds in non-D0a power states. Must be 1 (according to datasheet) because GbE is not supported in Sx mode. It's also set to 1 in deblobbed_descriptor.bin */
+ uint8_t reserved3 : 2; /* Reserved. Datasheet says both bits should be 0 (confirmed in deblobbed_descriptor.bin) */
+ uint8_t gbeDisable : 1; /* When 1, gigabit speeds are disabled in all power states including D0a. Default is 0 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t reserved4 : 1; /* Reserved. Should be 1, according to datasheet and deblobbed_descriptor.bin */
+ /* most significant bits */
+};
+
+/*
+ * Word 18: LED 0 and 2 Configuration Defaults
+ *
+ * Hardware defaults for LEDCTL register fields controlling LED0 (LINK/ACTIVITY)
+ * and LED2 (LINK_100) output behaviours.
+ */
+struct LED_CTL_02 {
+ /* least significant bits */
+
+ /* see page 16 in datasheet to show the different modes. deblobbed_descriptor has "LINK-UP" mode set */
+ uint8_t led0Mode : 4; /* default value 0100 (bin) or 4 (hex) according to datasheet. It's 0010 (bin) or 2 (hex) according to deblobbed_descriptor.bin */
+
+ uint8_t reserved1 : 1; /* Reserved. Should be set to 0 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t led0BlinkMode : 1; /* This should be the same as led1BlinkMode (see word 17h). Default is 0 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t led0Invert : 1; /* initial value of LED0_IVRT field. 0 = led0 has active low output, 1 is high active output. Default is 0 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t led0Blink : 1; /* LED0_BLINK field. Should be 0 according to datasheet and deblobbed_descriptor.bin */
+
+ /* see page 16 in datasheet to shew the different modes. deblobbed_descriptor has "LINK_100" mode set */
+ uint8_t led2Mode : 4; /* default value 0110 (bin) or 6 (hex) according to datasheet and deblobbed_descriptor.bin */
+
+ uint8_t reserved2 : 1; /* Reserved. Should be 0 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t led2BlinkMode : 1; /* 0 = slow blink. 1 = fast. default 0 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t led2Invert : 1; /* LED2_IVRT field. Should be 0 according to datasheet and deblobbed_descriptor.bin */
+ uint8_t led2Blink : 1; /* LED2_BLINK field. should be 0 according to datasheet and deblobbed_descriptor.bin */
+ /* most significant bits */
+};
+
+/* Word 30h */
+struct GBE_PXE_BOOT_AGENT_MAIN_SETUP_OPTIONS {
+ /* least significant bits */
+ uint8_t protocolSelect : 2; /* Default 00 binary (PXE) according to datasheet. 01 is reserved. 10/11 are undefined. deblobbed_descriptor.bin says 00 */
+ uint8_t reserved1 : 1; /* Reserved. deblobbed_descriptor.bin says 0 */
+ uint8_t defaultBootSelection : 2; /* deblobbed_descriptor.bin says 00 (binary). 00 is network boot, then local. 01 is local boot, then network. 10 is network boot only. 11 is local boot only */
+ uint8_t reserved2 : 1; /* Reserved. deblobbed_descriptor.bin says 0. */
+ uint8_t promptTime : 2; /* deblobbed_descriptor.bin says 00. delay for how long "press ctrl-s" setup prompt message appears. 00 = 2 secs, 01 is 3 secs, 10 is 5 secs, 11 is 0 secs. */
+ uint8_t displaySetupMessage : 1; /* default 1 says datasheet. deblobbed_descriptor.bin says 1. if 1, "ctrl-s" setup prompt message appears after the title message. */
+ uint8_t reserved3 : 1; /* Datasheet says to set 0. deblobbed_descriptor.bin says 0. */
+ uint8_t forceSpeed : 2; /* deblobbed_descriptor.bin says 00. 00 = auto-negotiate, 01 = 10Mbps, 10 = 100Mbps, 11 = "not allowed" */
+ uint8_t forceFullDuplex : 1; /* deblobbed_descriptor.bin says 0. Only relevant when bits 10/11 are set; if so, then: 0 = half duplex, 1 = full duplex */
+ uint8_t reserved4 : 1; /* Reserved. deblobbed_descriptor.bin says 0. datasheet recommends 0. */
+ uint8_t efiPresence : 1; /* 1 means that an EFI image is present (0 means not present). deblobbed_descriptor.bin says 0. if 1, eeprom word 33h (efi version) becomes valid. if pxePresent is 1, that means EFI and PXE are both present.*/
+ uint8_t pxePresence : 1; /* 0 means that a PXE image is present. 1 means to pxe present. deblobbed_descriptor.bin says 0. if 0, then word 32h (PXE version) in eeprom becomes valid */
+ /* most significant bits */
+
+ /* This whole data structure is pointless, since libreboot doesn't (read: won't)
+ * include the proprietary intel boot agent. Struct exists here simply for documentations sake. */
+};
+/* Word 31h */
+struct GBE_PXE_BOOT_AGENT_CONFIGURATION_CUSTOMIZATION_OPTIONS_31H {
+ /* least significant bits */
+ uint8_t disableSetupMenu : 1; /* 1 means invoking setup menu with ctrl-s won't work. deblobbed_descriptor.bin says 0 (as is default, per datasheet) */
+ uint8_t disableTitleMessage : 1; /* 1 means that title in boot agent screen is suppressed, as is ctrl-s message. default is 0, and deblobbed_descriptor.bin says 0 */
+ uint8_t disableProtocolSelect : 1; /* 1 means no changes to boot protocol are allowed. default is 0, and deblobbed_descriptor.bin says 0 */
+ uint8_t disableBootSelection : 1; /* 1 means no changes in boot order option menu are allowed. default is 0, and deblobbed_descriptor.bin says 0 */
+ uint8_t disableLegacyWakeupSupport : 1; /* 1 means no changes in legacy wakeup support menu is allowed. default is 0, and deblobbed_descriptor.bin says 0 */
+ uint8_t disableFlashUpdate : 1; /* 1 means no changes to flash image using PROset is allowed. default is 0, and deblobbed_descriptor.bin says 0 */
+ uint8_t reserved1 : 2; /* Reserved. Datasheet says these must be 0, and deblobbed_descriptor.bin sets them to 0. */
+
+ /*
+ * deblobbed_descriptor says 000
+ * 000 = normal behaviour
+ * see datasheet (page 21) for other modes.
+ */
+ uint8_t ibaBootOrderSetupMode : 3;
+
+ uint8_t reserved2 : 3; /* Reserved. Datasheet says these must be set to 0, and deblobbed_descriptor.bin sets them to 0. */
+ uint8_t signature : 2; /* Must be set to 01 to indicate that this whole word has been configured by the agent or other software. deblobbed_descriptor.bin says 01. */
+ /* most significant bits */
+
+ /* This whole data structure is pointless, since libreboot doesn't (read: won't)
+ * include the proprietary intel boot agent. Struct exists here simply for documentations sake. */
+};
+/* Word 32h */
+struct GBE_PXE_BOOT_AGENT_CONFIGURATION_CUSTOMIZATION_OPTIONS_32H {
+ /* least significant bits */
+ uint8_t buildNumber : 8; /* PXE boot agent build number. default is 28 (hex). deblobbed_descriptor.bin says 18 (hex) */
+ uint8_t minorVersionNumber : 4; /* PXE boot agent minor number. default is 2 (hex). deblobbed_descriptor.bin says 3 (hex) */
+ uint8_t majorVersionNumber : 4; /* PXE boot agent major number. default is F (hex). deblobbed_descriptor.bin says 1 (hex) */
+ /* most significant bits */
+
+ /* This whole data structure is pointless, since libreboot doesn't (read: won't)
+ * include the proprietary intel boot agent. Struct exists here simply for documentations sake. */
+};
+/* Word 33h */
+struct GBE_PXE_IBA_CAPABILITIES {
+ /* least significant bits */
+ uint8_t baseCodePresent : 1; /* 0 means PXE base code is indicated as being present. 1 (default) means not. deblobbed_descriptor.bin says 1 */
+ uint8_t undiCapabilityPresent : 1; /* 1 (default) means pxe/undi capability is indicated present. 0 means not present. deblobbed_descriptor.bin says 1 */
+ uint8_t reserved1 : 1; /* Reserved. Must be 1. deblobbed_descriptor.bin says 1 */
+ uint8_t efiUndiCapabilityPresent : 1; /* EFI UNDI capability present: 0 (default) means not present. 1 means present. deblobbed_descriptor.bin says 0 */
+ uint8_t reserved2_0 : 4; /* reserved. all bits must be 0. deblobbed_descriptor.bin sets them to 0. */
+ uint8_t reserved2_1 : 6; /* ^ part of reserved2_0. split this way so that the bitfields align */
+ uint8_t signature : 2; /* must be 01 to indicate that the word is configured by the agent or other software. deblobbed_descriptor.bin says 01 */
+ /* most significant bits */
+
+ /* This whole data structure is pointless, since libreboot doesn't (read: won't)
+ * include the proprietary intel boot agent. Struct exists here simply for documentations sake. */
+};
+/* Words 30h to 3Eh */
+struct GBE_PXE_SOFTWARE_REGION {
+ struct GBE_PXE_BOOT_AGENT_MAIN_SETUP_OPTIONS bootAgentMainSetupOptions; /* Word 30h */
+ struct GBE_PXE_BOOT_AGENT_CONFIGURATION_CUSTOMIZATION_OPTIONS_31H bootAgentConfigurationCustomizationOptions31h; /* Word 31h */
+ struct GBE_PXE_BOOT_AGENT_CONFIGURATION_CUSTOMIZATION_OPTIONS_32H bootAgentConfigurationCustomizationOptions32h; /* Word 32h */
+ struct GBE_PXE_IBA_CAPABILITIES ibaCapabilities; /* Word 33h */
+
+ /* Words 34h to 3Eh (padding). Set these to 0xFFFF (according to deblobbed_descriptor.bin) */
+ uint16_t paddingWords34hTo3Eh[11];
+
+ /*
+ * the pxe software region is practically useless in libreboot, since
+ * libreboot does not include the intel boot agent (it's proprietary software).
+ *
+ * Having this struct in place is simply for documentations sake. It is completely
+ * irrelevant what you put here. filling it with 0xFFFF would probably be fine.
+ */
+};
+
+struct GBEREGIONRECORD_4K {
+ uint8_t macAddress[6]; /* Word 00 to 02 */
+ struct GBE_RESERVED_WORD_03H reservedWord03h; /* Reserved word 03. */
+ uint16_t reservedWord04h; /* Reserved word 04: set it to 0xFFFF (according to datasheet and deblobbed_descriptor.bin) */
+ uint16_t imageVersionInformation; /* Reserved word 05: 83 10 (little endian) in my deblobbed_descriptor.bin. Set this to 0x1083 (in C, assuming little endian byte order). "cannot be changed" according to datasheet */
+ uint16_t reservedWords06h07h[2]; /* Reserved words 06-07: set both to 0xFFFF (according to datasheet and deblobbed_descriptor.bin) */
+
+ /*
+ * Word 08 and 09 (pba low and pba high):
+ *
+ * Both of these should be set to 0xFFFF by default, according to the datasheet.
+ * "nine digit printed board assembly (PBA) number" for intel cards to be stored
+ * in a 4 byte (read: 2 word) field.
+ *
+ * Example: if pba number is 123456-003, then word 08 should be 1234h and word 09 becomes 5603.
+ * Note: 1234 and 5603 above are big endian. In the image it would actually be 34 12 and 0356
+ *
+ * Example: in mine it was (in the image): 08 10 FF FF. That becomes 1008h and FFFFh, or
+ * basically: 1008FF-0FF. The same was observed in another.
+ *
+ * Setting it to FF FF FF FF should be fine, according to the datasheet.
+ */
+ uint16_t pbaLow; /* Word 08. Set it to 0x1008 (according to deblobbed_descriptor.bin). */
+ uint16_t pbaHigh; /* Word 09. Set it to 0xFFFF (according to deblobbed_descriptor.bin). */
+
+ /* Word 0A */
+ struct GBE_PCI_INITIALIZATION_CONTROL_WORD pciInitializationControlWord;
+
+ /*
+ * Word 0B; subsystem ID
+ *
+ * If load subsystem ID bit of word 0A (pci init control word) is
+ * set to 1 (read: it is. in my deblobbed_descriptor.bin), store
+ * the subsystem id here. Datasheet says that the default value is
+ * 0000h, but you should set this to 20EEh (little endian: EE 20)
+ */
+ uint16_t subsystemId; /* Set this to 0x20EE */
+
+ /*
+ * Word 0C; subsystem vendor ID
+ *
+ * If load subsystem vendor ID bit of word 0A (pci init control word)
+ * is set to 1 (read: it is. in my deblobbed_descriptor.bin), store
+ * the subsystem vendor id here. Datasheet says that the default
+ * value is 8086h, but you should set this to 17AAh (lendian: AA 17).
+ */
+ uint16_t subsystemVendorId; /* Set this to 0x17AA */
+
+ /*
+ * Word 0D: device ID
+ *
+ * If load vendor/device ID in word 0A (pci init control word) is 1
+ * (it is) then this word is used to init device id using word 21h,
+ * 1Eh or 1Fh. In my case, deviceId is 0x10F5. Word 21h is set to
+ * 0x10CB, word 1Eh is 0x10F5 and 1Fh is 0x10BF
+ *
+ * The datasheet says that 10F5 is for Intel 82567LM gigabit ethernet
+ * controller; 10BF is for Intel 82567LF and 10CB is for Intel 82567V.
+ *
+ * Based on this, the X200 is shown to have the Intel 82567LM ethernet
+ * controller.
+ */
+ uint16_t deviceId; /* Set this to 0x10F5. */
+ /* It is important that this is correct, for the linux kernel driver */
+
+ /*
+ * Word 0E: vendor ID
+ *
+ * If load vendor/device ID in word 0A (pci init control) is 1 (it is),
+ * then this word used read to initialize the PCI vendor ID. Default
+ * value is 8086 according to datasheets, and deblobbed_descriptor.bin.
+ *
+ * Intel is often 8086 as a PCI vendor ID. Because 8086. As in the CPU architecture.
+ */
+ uint16_t vendorId;
+
+ uint16_t deviceRevId; /* Word 0F: reserved bits. Set all bits to 0. */
+ struct GBE_LAN_POWER_CONSUMPTION lanPowerConsumption; /* Word 10: LAN Power Consumption (see struct definition) */
+ uint16_t reservedWords11h12h[2]; /* Words 11-12: Reserved. Set both of them to 0x0000 (according to datasheet). */
+
+ /* Word 13: Shared Initialization Control Word */
+ struct GBE_SHARED_INITIALIZATION_CONTROL_WORD sharedInitializationControlWord;
+
+ /* Word 14: Extended Configuration Control Word 1 */
+ struct GBE_EXTENDED_CONFIGURATION_CONTROL_WORD_1 extendedConfigurationControlWord1;
+
+ /* Word 15: Extended Configuration Control Word 2 */
+ struct GBE_EXTENDED_CONFIGURATION_CONTROL_WORD_2 extendedConfigurationControlWord2;
+
+ /* Word 16: Extended Configuration Control Word 3 */
+ /* All bits reserved. Datasheet and deblobbed_descriptor.bin say to set it to zero */
+ uint16_t extendedConfigurationControlWord3;
+
+ struct LED_CTL_1 ledCtl1; /* Word 17: LED 1 Configuration and Power Management */
+ struct LED_CTL_02 ledCtl02; /* Word 18: LED 0 and 2 Configuration Defaults */
+ uint16_t reservedWord19h; /* Word 19: Reserved. Default is 0x2B00 according to datasheet, but in deblobbed_descriptor.bin it is 0x2B40 */
+ uint16_t reservedWord1Ah; /* Word 1A: Reserved. Default is 0x0043 according to datasheet and deblobbed_descriptor.bin */
+ uint16_t reservedWord1Bh; /* Word 1B: Reserved. Should be 0x0000 according to datasheet and deblobbed_descriptor.bin */
+ uint16_t reservedWord1Ch; /* Word 1C: Reserved. Should be 0x10F5 according to datasheet and deblobbed_descriptor.bin */
+ uint16_t reservedWord1Dh; /* Word 1D: Reserved. Should be 0xBAAD according to datasheet and deblobbed_descriptor.bin */
+ uint16_t _82567lmDeviceId; /* Word 1E: Device ID for Intel 82567LM gigabit ethernet controller (note: X200 uses this). Should be 0x10F5 according to datasheet and deblobbed_descriptor.bin*/
+ uint16_t _82567lfDeviceId; /* Word 1F: Device ID for Intel 82567LF gigabit ethernet controller. Should be 0x10BF according to datasheet and deblobbed_descriptor.bin */
+ uint16_t reservedWord20h; /* Word 20: Reserved. Should be 0xBAAD according to datasheet and deblobbed_descriptor.bin */
+ uint16_t _82567vDeviceId; /* Word 21: Device ID for Intel 82567V gigabit ethernet controller. Should be 0x10CB according to datasheet and deblobbed_descriptor.bin */
+ uint16_t reservedWord22h; /* Word 22: Reserved. Should be 0xBAAD according to datasheet and deblobbed_descriptor.bin */
+ uint16_t reservedWord23h; /* Word 23: Reserved. Should be 0xBAAD according to datasheet and deblobbed_descriptor.bin */
+ uint16_t reservedWords24to2Fh[12]; /* Words 24-2F: Reserved. These should all be 0x0000 according to datasheet and deblobbed_descriptor.bin */
+ struct GBE_PXE_SOFTWARE_REGION pxeSoftwareRegion; /* Words 30-3E: PXE Software Region */
+ uint16_t checkSum; /* when added to the sum of all words above, this should match GBECHECKSUMTOTAL */
+
+ /* set all bytes in here to 0xFF */
+ uint8_t padding[3968];
+};
+
+/* main and backup region in gbe */
+struct GBEREGIONRECORD_8K {
+ struct GBEREGIONRECORD_4K main;
+ struct GBEREGIONRECORD_4K backup;
+ /*
+ * Backup region:
+ * This is actually "main" on X200, since the real main has a bad checksum
+ * and other errors. You should do what you need on this one (if modifying
+ * lenovobios's gbe region) and then copy to main
+ */
+};
+
+/*
+ * ---------------------------------------------------------------------
+ * Function declarations (keep gcc/make happy. check them in gbe.c)
+ * ---------------------------------------------------------------------
+ */
+
+uint16_t gbeGetChecksumFrom4kBuffer(uint16_t* gbeWord, uint16_t desiredValue, int gbeRegionBase);
+uint16_t gbeGetChecksumFrom4kStruct(struct GBEREGIONRECORD_4K gbeStruct4k, uint16_t desiredValue);
+struct GBEREGIONRECORD_8K deblobbedGbeStructFromFactory(struct GBEREGIONRECORD_8K factoryGbeStruct8k);
+int notCreatedHFileForGbeCFile(char* outFileName, char* cFileName);
+int notCreatedCFileFromGbeStruct4k(struct GBEREGIONRECORD_4K gbeStruct4k, char* outFileName, char* headerFileName);
+int showGbeData(struct GBEREGIONRECORD_4K gbeStruct4k);
+void printGbeChecksumDataFromStruct4k(struct GBEREGIONRECORD_4K gbeStruct4k, char* romName, char* regionName);
+void printGbeChecksumDataFromStruct8k(struct GBEREGIONRECORD_8K gbeStruct8k, char* romName);
+
+#endif
diff --git a/src/ich9deblob.c b/src/ich9deblob.c
new file mode 100644
index 0000000..c29814f
--- /dev/null
+++ b/src/ich9deblob.c
@@ -0,0 +1,231 @@
+/*
+ * ich9deblob.c
+ * This file is part of the ich9deblob utility from the libreboot project
+ *
+ * Purpose: disable and remove the ME from ich9m/gm45 systems in coreboot.
+ *
+ * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
+ * Copyright (C) 2014,2015,2019 Leah Rowe <info@minifree.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Initially based on proof of concept by Steve Shenton. */
+/* Original utility can be found at https://gitorious.org/ich9descriptortool */
+
+/*
+ * Read a factory.rom dump (ich9m/gm45 systems) and
+ * modify the flash descriptor to remove all regions except descriptor,
+ * Gbe and BIOS. Set BIOS region to full size of the ROM image (after
+ * the flash descriptor and gbe). Basically, deblob the descriptor.
+ *
+ * This will will generate a concatenated descriptor+gbe dump suitable
+ * for use in libreboot. Currently tested: ThinkPad X200 (coreboot/libreboot)
+ */
+
+/*
+ * 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
+ *
+ * Info about Gbe region (read whole datasheet):
+ * http://www.intel.co.uk/content/dam/doc/application-note/i-o-controller-hub-9m-82567lf-lm-v-nvm-map-appl-note.pdf
+ * https://web.archive.org/web/20150912070329/https://communities.intel.com/community/wired/blog/2010/10/14/how-to-basic-eeprom-checksums
+ */
+
+#include "ich9deblob.h"
+
+int main(int argc, char *argv[])
+{
+ struct DESCRIPTORREGIONRECORD descriptorStruct;
+ uint8_t* descriptorBuffer = (uint8_t*)&descriptorStruct;
+
+ struct GBEREGIONRECORD_8K gbeStruct8k;
+ uint8_t* gbeBuffer8k = (uint8_t*)&gbeStruct8k;
+ uint32_t gbeRegionStart;
+
+ char* romFilename = "factory.rom";
+ if(argc>1) {
+ romFilename = argv[1];
+ }
+
+ char* descriptorGbeFilename = "deblobbed_descriptor.bin";
+ char* descriptorNoGbeFilename = "deblobbed_4kdescriptor.bin";
+
+ unsigned int bufferLength;
+ unsigned int romSize;
+
+ /*
+ * ------------------------------------------------------------------
+ * Compatibility checks. This version of ich9deblob is not yet portable.
+ * ------------------------------------------------------------------
+ */
+
+ if (systemOrCompilerIncompatible(descriptorStruct, gbeStruct8k)) return 1;
+ /* If true, fail with error message */
+
+ /*
+ * ------------------------------------------------------------------
+ * Extract the descriptor and gbe regions from the factory.rom dump
+ * ------------------------------------------------------------------
+ */
+ FILE* fp = NULL;
+ fp = fopen(romFilename, "rb"); /* open factory.rom */
+ if (NULL == fp)
+ {
+ printf("\nerror: could not open %s\n", romFilename);
+ fclose(fp);
+ return 1;
+ }
+ printf("\n%s opened successfully\n", romFilename);
+
+ /*
+ * Get the descriptor region dump from the factory.rom
+ * (goes in factoryDescriptorBuffer variable)
+ */
+ bufferLength = fread(descriptorBuffer, 1, DESCRIPTORREGIONSIZE, fp);
+ if (DESCRIPTORREGIONSIZE != bufferLength) //
+ {
+ printf("\nerror: could not read descriptor from %s (%i) bytes read\n", romFilename, bufferLength);
+ fclose(fp);
+ return 1;
+ }
+ printf("\ndescriptor region read successfully\n");
+
+ if(!validDescriptor(descriptorStruct)) {
+ printf("Invalid input: incorrect signature in the given descriptor.");
+ fclose(fp);
+ return 1;
+ }
+
+ if (descriptorDefinesGbeRegion(descriptorStruct))
+ {
+ gbeRegionStart = descriptorStruct.regionSection.flReg3.BASE << FLREGIONBITSHIFT;
+
+ /*
+ * Set offset so that we can read the data from
+ * the gbe region
+ */
+ fseek(fp, gbeRegionStart, SEEK_SET);
+ /* Read the gbe data from the factory.rom and put it in factoryGbeBuffer8k */
+ bufferLength = fread(gbeBuffer8k, 1, GBEREGIONSIZE_8K, fp);
+ if (GBEREGIONSIZE_8K != bufferLength)
+ {
+ printf("\nerror: could not read GBe region from %s (%i) bytes read\n", romFilename, bufferLength);
+ fclose(fp);
+ return 1;
+ }
+ printf("\ngbe (8KiB) region read successfully\n");
+ }
+
+ fseek(fp, 0L, SEEK_END);
+ romSize = ftell(fp);
+ printf("\n%s size: [%i] bytes\n", romFilename, romSize);
+
+ fclose(fp);
+
+ /* Debugging (before modification) */
+ printDescriptorRegionLocations(descriptorStruct, "Original");
+ if (descriptorDefinesGbeRegion(descriptorStruct))
+ printGbeChecksumDataFromStruct8k(gbeStruct8k, "Original");
+ else printf("NO GBE REGION\n");
+
+ /*
+ * ------------------------------------------------------------------
+ * Modify the descriptor and gbe regions, ready to go in libreboot.rom
+ * ------------------------------------------------------------------
+ */
+
+ /* Delete the ME/Platform regions, place Gbe after the descriptor, resize BIOS region to fill the gap */
+ descriptorStruct = librebootDescriptorStructFromFactory(descriptorStruct, romSize);
+
+ /* The ME is disallowed read-write access to all regions
+ * (this is probably redundant, since the ME firmware is already removed from libreboot) */
+ descriptorStruct = descriptorMeRegionsForbidden(descriptorStruct);
+ /* Host/CPU is allowed to read/write all regions.
+ * This makes flashrom -p internal work */
+ descriptorStruct = descriptorHostRegionsUnlocked(descriptorStruct);
+
+ /* Set OEM string */
+ descriptorStruct = descriptorOemString(descriptorStruct);
+
+ /* Modify the Gbe region (see function for details) */
+ if (descriptorDefinesGbeRegion(descriptorStruct))
+ gbeStruct8k = deblobbedGbeStructFromFactory(gbeStruct8k);
+
+ /* Debugging (after modifying the descriptor and gbe regions) */
+ printDescriptorRegionLocations(descriptorStruct, "Modified");
+ if (descriptorDefinesGbeRegion(descriptorStruct))
+ printGbeChecksumDataFromStruct8k(gbeStruct8k, "Modified");
+ else printf("NO GBE REGION\n");
+
+ /*
+ * ------------------------------------------------------------------
+ * Create the file with the modified descriptor and gbe inside
+ * ------------------------------------------------------------------
+ */
+ printf("\n");
+ if (descriptorDefinesGbeRegion(descriptorStruct))
+ {
+ if (notCreatedDescriptorGbeFile(descriptorStruct, gbeStruct8k, descriptorGbeFilename)) {
+ return 1;
+ }
+ }
+ else
+ {
+ if (notCreated4kDescriptorFile(descriptorStruct, descriptorNoGbeFilename)) {
+ return 1;
+ }
+ }
+
+ /*
+ * ------------------------------------------------------------------
+ * Generate ich9gen data (C code that will recreate the deblobbed descriptor+gbe from scratch)
+ * ------------------------------------------------------------------
+ */
+ /* Code for generating the Descriptor struct */
+ /* mkdescriptor.h */
+ if (notCreatedHFileForDescriptorCFile("mkdescriptor.h", "mkdescriptor.c")) {
+ return 1;
+ } /* and now mkdescriptor.c */
+ if (notCreatedCFileFromDescriptorStruct(descriptorStruct, "mkdescriptor.c", "mkdescriptor.h")) {
+ return 1;
+ }
+
+ if (descriptorDefinesGbeRegion(descriptorStruct))
+ {
+ /* Code for generating the Gbe struct */
+ /* mkgbe.h */
+ if (notCreatedHFileForGbeCFile("mkgbe.h", "mkgbe.c")) {
+ return 1;
+ } /* and now mkgbe.c */
+ if (notCreatedCFileFromGbeStruct4k(gbeStruct8k.backup, "mkgbe.c", "mkgbe.h")) {
+ return 1;
+ }
+ }
+
+ if (descriptorDefinesGbeRegion(descriptorStruct))
+ {
+ printf("The modified descriptor and gbe regions have also been dumped as src files: mkdescriptor.c, mkdescriptor.h, mkgbe.c, mkgbe.h\n");
+ printf("To use these in ich9gen, place them in src/ich9gen/ and re-build ich9gen.\n\n");
+ }
+ else
+ {
+ printf("The modified descriptor region have also been dumped as src files: mkdescriptor.c, mkdescriptor.h\n");
+ printf("To use these in ich9gen, place them in src/ich9gen/ and re-build ich9gen.\n\n");
+ }
+
+ return 0;
+}
diff --git a/src/ich9deblob.h b/src/ich9deblob.h
new file mode 100644
index 0000000..c11ea29
--- /dev/null
+++ b/src/ich9deblob.h
@@ -0,0 +1,38 @@
+/*
+ * ich9deblob.h
+ * This file is part of the ich9deblob utility from the libreboot project
+ *
+ * Purpose: header file for ich9deblob.c
+ *
+ * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
+ * Leah Rowe <info@minifree.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ICH9DEBLOB_H
+#define ICH9DEBLOB_H
+
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "common/descriptor_gbe.h" /* common descriptor/gbe functions used by ich9deblob */
+#include "common/x86compatibility.h" /* system/compiler compatibility checks. This code is not portable. */
+#include "descriptor/descriptor.h" /* structs describing what's in the descriptor region */
+#include "gbe/gbe.h" /* structs describing what's in the gbe region */
+
+int main();
+
+#endif
diff --git a/src/ich9gen.c b/src/ich9gen.c
new file mode 100644
index 0000000..8054675
--- /dev/null
+++ b/src/ich9gen.c
@@ -0,0 +1,203 @@
+/*
+ * Copyright (C) 2014, 2015, 2019 Leah Rowe <info@minifree.org>
+ * Copyright (C) 2016 Swift Geek <swiftgeek@gmail.com>
+ *
+ * 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/>.
+ */
+
+/* Generate deblobbed descriptor and gbe 12KiB file from scratch
+ * without relying on a factory.rom dump */
+
+#include "ich9gen.h"
+
+int main(int argc, char *argv[])
+{
+ int i, j;
+
+ struct GBEREGIONRECORD_8K gbeStruct8k = generatedGbeStruct8k();
+ struct DESCRIPTORREGIONRECORD descriptorStruct4M = generatedDescriptorStruct(ROMSIZE_4MB, WITHGBE);
+ struct DESCRIPTORREGIONRECORD descriptorStruct8M = generatedDescriptorStruct(ROMSIZE_8MB, WITHGBE);
+ struct DESCRIPTORREGIONRECORD descriptorStruct16M = generatedDescriptorStruct(ROMSIZE_16MB, WITHGBE);
+ struct DESCRIPTORREGIONRECORD descriptorStructNoGbe4M = generatedDescriptorStruct(ROMSIZE_4MB, WITHOUTGBE);
+ struct DESCRIPTORREGIONRECORD descriptorStructNoGbe8M = generatedDescriptorStruct(ROMSIZE_8MB, WITHOUTGBE);
+ struct DESCRIPTORREGIONRECORD descriptorStructNoGbe16M = generatedDescriptorStruct(ROMSIZE_16MB, WITHOUTGBE);
+
+ /* Only for the compatibility checks */
+ struct DESCRIPTORREGIONRECORD dummyDescriptorStruct;
+ struct GBEREGIONRECORD_8K dummyGbeStruct8k;
+
+ /*
+ * ------------------------------------------------------------------
+ * Compatibility checks. This version of ich9deblob is not yet portable.
+ * ------------------------------------------------------------------
+ */
+
+ if (systemOrCompilerIncompatible(dummyDescriptorStruct, dummyGbeStruct8k)) return 1;
+ /* If true, fail with error message */
+
+ /*
+ * ------------------------------------------------------------------
+ * Arguments given on the terminal
+ * ------------------------------------------------------------------
+ */
+
+
+ if(argc==3) {
+
+ /* If user provides their own MAC address, it will be used.
+ * Otherwise, ich9gen will simply use the default one.
+ *
+ * However, if the user provides an invalid MAC address, then ich9gen
+ * will exit. */
+ if(0==strcmp(argv[1],"--macaddress")) {
+ /* 6 hex chars format (example): AA:BB:CC:DD:EE:FF */
+ if (strlen(argv[2]) != 17) {
+ printf("ich9gen: invalid mac address format (wrong length)\n");
+ return 1;
+ }
+ for(i=2; i<14; i+=3) {
+ if(argv[2][i]!=':') {
+ printf("ich9gen: invalid mac address format (non-colon characters used as spacing)\n");
+ return 1;
+ }
+ }
+ for(i=0; i<6; i++) {
+ gbeStruct8k.main.macAddress[i] = 0;
+
+ /* Go through each nibble of the byte */
+ for(j=0; j<2; j++) {
+ if(argv[2][(i*3)+j]>='a' && argv[2][(i*3)+j]<='f')
+ gbeStruct8k.main.macAddress[i] |= (uint8_t)((argv[2][(i*3)+j] - 87) << ((j^1) << 2));
+ else if(argv[2][(i*3)+j]>='A' && argv[2][(i*3)+j]<='F')
+ gbeStruct8k.main.macAddress[i] |= (uint8_t)((argv[2][(i*3)+j] - 55) << ((j^1) << 2));
+ else if(argv[2][(i*3)+j]>='0' && argv[2][(i*3)+j]<='9')
+ gbeStruct8k.main.macAddress[i] |= (uint8_t)((argv[2][(i*3)+j] - 48) << ((j^1) << 2));
+ else {
+ printf("ich9gen: invalid mac address format (non-hex characters)\n");
+ return 1;
+ }
+ }
+ }
+
+ gbeStruct8k.main.checkSum = gbeGetChecksumFrom4kStruct(gbeStruct8k.main, GBECHECKSUMTOTAL); /* Fix the checksum */
+ memcpy(&gbeStruct8k.backup, &gbeStruct8k.main, GBEREGIONSIZE_4K); /* Copy to the backup */
+
+ /* Generate ich9gen data (C code for Gbe region): */
+
+ /* mkgbe.h */
+ if (notCreatedHFileForGbeCFile("mkgbe.h", "mkgbe.c")) {
+ return 1;
+ } /* and now mkgbe.c */
+ if (notCreatedCFileFromGbeStruct4k(gbeStruct8k.backup, "mkgbe.c", "mkgbe.h")) {
+ return 1;
+ }
+
+ printf("You selected to change the MAC address in the Gbe section. This has been done.\n\n");
+
+ printf("The modified gbe region has also been dumped as src files: mkgbe.c, mkgbe.h\n");
+ printf("To use these in ich9gen, place them in src/ich9gen/ and re-build ich9gen.\n\n");
+ }
+
+ }
+
+ /*
+ * ------------------------------------------------------------------
+ * Generate the 12KiB files, ready to be used in a libreboot image
+ * ------------------------------------------------------------------
+ */
+
+ if (notCreatedDescriptorGbeFile(descriptorStruct4M, gbeStruct8k, "ich9fdgbe_4m.bin")) {
+ return 1;
+ }
+
+ if (notCreatedDescriptorGbeFile(descriptorStruct8M, gbeStruct8k, "ich9fdgbe_8m.bin")) {
+ return 1;
+ }
+
+ if (notCreatedDescriptorGbeFile(descriptorStruct16M, gbeStruct8k, "ich9fdgbe_16m.bin")) {
+ return 1;
+ }
+
+ /*
+ * ------------------------------------------------------------------
+ * Generate the 12KiB files, ready to be used in a libreboot image
+ * These are special descriptor files where the flash chip is set to read-only
+ * in FLMSTR1
+ * ------------------------------------------------------------------
+ */
+
+ descriptorStruct4M = descriptorHostRegionsReadOnly(descriptorStruct4M);
+ descriptorStruct8M = descriptorHostRegionsReadOnly(descriptorStruct8M);
+ descriptorStruct16M = descriptorHostRegionsReadOnly(descriptorStruct16M);
+
+ if (notCreatedDescriptorGbeFile(descriptorStruct4M, gbeStruct8k, "ich9fdgbe_4m_ro.bin")) {
+ return 1;
+ }
+
+ if (notCreatedDescriptorGbeFile(descriptorStruct8M, gbeStruct8k, "ich9fdgbe_8m_ro.bin")) {
+ return 1;
+ }
+
+ if (notCreatedDescriptorGbeFile(descriptorStruct16M, gbeStruct8k, "ich9fdgbe_16m_ro.bin")) {
+ return 1;
+ }
+
+ /*
+ * ------------------------------------------------------------------
+ * Generate the 4KiB files (descriptors without GbE), ready to be used in a libreboot image
+ * In these descriptors, the onboard Intel GbE NIC is disabled; a discrete one is used instead
+ * ------------------------------------------------------------------
+ */
+
+ if (notCreated4kDescriptorFile(descriptorStructNoGbe4M, "ich9fdnogbe_4m.bin")) {
+ return 1;
+ }
+
+ if (notCreated4kDescriptorFile(descriptorStructNoGbe8M, "ich9fdnogbe_8m.bin")) {
+ return 1;
+ }
+
+ if (notCreated4kDescriptorFile(descriptorStructNoGbe16M, "ich9fdnogbe_16m.bin")) {
+ return 1;
+ }
+
+ /*
+ * ------------------------------------------------------------------
+ * Generate the 4KiB files (descriptors without GbE), ready to be used in a libreboot image
+ * In these descriptors, the onboard Intel GbE NIC is disabled; a discrete one is used instead
+ *
+ * This is a special version where the flash chip is read-only as specified
+ * in flmstr1
+ *
+ * ------------------------------------------------------------------
+ */
+
+ descriptorStructNoGbe4M = descriptorHostRegionsReadOnly(descriptorStructNoGbe4M);
+ descriptorStructNoGbe8M = descriptorHostRegionsReadOnly(descriptorStructNoGbe8M);
+ descriptorStructNoGbe16M = descriptorHostRegionsReadOnly(descriptorStructNoGbe16M);
+
+ if (notCreated4kDescriptorFile(descriptorStructNoGbe4M, "ich9fdnogbe_4m_ro.bin")) {
+ return 1;
+ }
+
+ if (notCreated4kDescriptorFile(descriptorStructNoGbe8M, "ich9fdnogbe_8m_ro.bin")) {
+ return 1;
+ }
+
+ if (notCreated4kDescriptorFile(descriptorStructNoGbe16M, "ich9fdnogbe_16m_ro.bin")) {
+ return 1;
+ }
+
+ return 0;
+}
diff --git a/src/ich9gen.h b/src/ich9gen.h
new file mode 100644
index 0000000..6b346b0
--- /dev/null
+++ b/src/ich9gen.h
@@ -0,0 +1,39 @@
+/*
+ * Copyright (C) 2014 Leah Rowe <info@minifree.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Header file for ich9gen.c */
+
+#ifndef ICH9GEN_H
+#define ICH9GEN_H
+
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "ich9gen/mkdescriptor.h"
+#include "ich9gen/mkgbe.h"
+#include "common/descriptor_gbe.h" /* common descriptor/gbe functions used by ich9deblob */
+#include "common/x86compatibility.h" /* system/compiler compatibility checks. This code is not portable. */
+#include "descriptor/descriptor.h" /* structs describing what's in the descriptor region */
+#include "gbe/gbe.h" /* structs describing what's in the gbe region */
+
+#define WITHGBE 1
+#define WITHOUTGBE 0
+
+int main(int argc, char *argv[]);
+
+#endif
diff --git a/src/ich9gen/mkdescriptor.c b/src/ich9gen/mkdescriptor.c
new file mode 100644
index 0000000..3b97a97
--- /dev/null
+++ b/src/ich9gen/mkdescriptor.c
@@ -0,0 +1,229 @@
+/*
+ * Copyright (C) 2014, 2015 Leah Rowe <info@minifree.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mkdescriptor.h"
+
+/* Generate a 4KiB Descriptor struct, with default values. */
+/* Read ../descriptor/descriptor.h for an explanation of the default values used here */
+
+struct DESCRIPTORREGIONRECORD generatedDescriptorStruct(unsigned int romSize, int hasGbe)
+{
+ int i;
+ struct DESCRIPTORREGIONRECORD descriptorStruct;
+
+ /* Flash Valid Signature Register */
+ descriptorStruct.flValSig.signature = 0x0ff0a55a;
+
+ /* Flash Map Registers */
+ /* FLMAP0 */
+ descriptorStruct.flMaps.flMap0.FCBA = 0x01;
+ descriptorStruct.flMaps.flMap0.NC = 0x0;
+ descriptorStruct.flMaps.flMap0.reserved1 = 0x00;
+ descriptorStruct.flMaps.flMap0.FRBA = 0x04;
+ descriptorStruct.flMaps.flMap0.NR = hasGbe ? 0x2 : 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.flMaps.flMap0.reserved2 = 0x00;
+ /* FLMAP1 */
+ descriptorStruct.flMaps.flMap1.FMBA = 0x06;
+ descriptorStruct.flMaps.flMap1.NM = 0x2;
+ descriptorStruct.flMaps.flMap1.reserved = 0x00;
+ descriptorStruct.flMaps.flMap1.FISBA = 0x10;
+ descriptorStruct.flMaps.flMap1.ISL = 0x02;
+ /* FLMAP2 */
+ descriptorStruct.flMaps.flMap2.FMSBA = 0x20;
+ descriptorStruct.flMaps.flMap2.MSL = 0x01;
+ descriptorStruct.flMaps.flMap2.reserved = 0x0000;
+
+ /* Component Section Record */
+ /* FLCOMP */
+ descriptorStruct.componentSection.flcomp.component1Density = componentDensity(romSize);
+ descriptorStruct.componentSection.flcomp.component2Density = componentDensity(romSize);
+ descriptorStruct.componentSection.flcomp.reserved1 = 0x0;
+ descriptorStruct.componentSection.flcomp.reserved2 = 0x00;
+ descriptorStruct.componentSection.flcomp.reserved3 = 0x0;
+ descriptorStruct.componentSection.flcomp.readClockFrequency = 0x0;
+ descriptorStruct.componentSection.flcomp.fastReadSupport = 0x1;
+ descriptorStruct.componentSection.flcomp.fastreadClockFrequency = 0x1;
+ descriptorStruct.componentSection.flcomp.writeEraseClockFrequency = 0x0;
+ descriptorStruct.componentSection.flcomp.readStatusClockFrequency = 0x0;
+ descriptorStruct.componentSection.flcomp.reserved4 = 0x0;
+ /* FLILL */
+ descriptorStruct.componentSection.flill = 0x00000000;
+ /* FLPB */
+ descriptorStruct.componentSection.flpb = 0x00000000;
+ /* Padding */
+ for (i = 0; i < 36; i++) {
+ descriptorStruct.componentSection.padding[i] = 0xFF;
+ }
+
+ /* Flash Descriptor Region Section */
+ /* FLREG0 (Descriptor) */
+ descriptorStruct.regionSection.flReg0.BASE = 0x0000;
+ descriptorStruct.regionSection.flReg0.reserved1 = 0x0;
+ descriptorStruct.regionSection.flReg0.LIMIT = 0x0000;
+ descriptorStruct.regionSection.flReg0.reserved2 = 0x0;
+ /* FLREG1 (BIOS) */
+ descriptorStruct.regionSection.flReg1.BASE = (DESCRIPTORREGIONSIZE + (hasGbe ? GBEREGIONSIZE_8K : 0)) >> FLREGIONBITSHIFT; /* see ../descriptor/descriptor.c */
+ descriptorStruct.regionSection.flReg1.reserved1 = 0x0;
+ descriptorStruct.regionSection.flReg1.LIMIT = ((romSize >> FLREGIONBITSHIFT) - 1); /* see ../descriptor/descriptor.c */
+ descriptorStruct.regionSection.flReg1.reserved2 = 0x0;
+ /* FLREG2 (ME) */
+ descriptorStruct.regionSection.flReg2.BASE = 0x1fff; /* see ../descriptor/descriptor.c */
+ descriptorStruct.regionSection.flReg2.reserved1 = 0x0;
+ descriptorStruct.regionSection.flReg2.LIMIT = 0x0000; /* see ../descriptor/descriptor.c */
+ descriptorStruct.regionSection.flReg2.reserved2 = 0x0;
+ /* FLREG3 (Gbe) */
+ descriptorStruct.regionSection.flReg3.BASE = hasGbe ? (DESCRIPTORREGIONSIZE >> FLREGIONBITSHIFT) : 0x1fff; /* see ../descriptor/descriptor.c */
+ descriptorStruct.regionSection.flReg3.reserved1 = 0x0;
+ descriptorStruct.regionSection.flReg3.LIMIT = hasGbe ? (GBEREGIONSIZE_8K >> FLREGIONBITSHIFT) : 0x0000; /* see ../descriptor/descriptor.c */
+ descriptorStruct.regionSection.flReg3.reserved2 = 0x0;
+ /* FLREG4 (Platform) */
+ descriptorStruct.regionSection.flReg4.BASE = 0x1fff; /* see ../descriptor/descriptor.c */
+ descriptorStruct.regionSection.flReg4.reserved1 = 0x0;
+ descriptorStruct.regionSection.flReg4.LIMIT = 0x0000; /* see ../descriptor/descriptor.c */
+ descriptorStruct.regionSection.flReg4.reserved2 = 0x0;
+ /* Padding */
+ for (i = 0; i < 12; i++) {
+ descriptorStruct.regionSection.padding[i] = 0xFF;
+ }
+
+ /* Master Access Section */
+ /* FLMSTR1 (Host CPU / BIOS) */
+ descriptorStruct.masterAccessSection.flMstr1.requesterId = 0x0000;
+ descriptorStruct.masterAccessSection.flMstr1.fdRegionReadAccess = 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr1.biosRegionReadAccess = 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr1.meRegionReadAccess = 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr1.gbeRegionReadAccess = 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr1.pdRegionReadAccess = 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr1.reserved1 = 0x0;
+ descriptorStruct.masterAccessSection.flMstr1.fdRegionWriteAccess = 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr1.biosRegionWriteAccess = 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr1.meRegionWriteAccess = 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr1.gbeRegionWriteAccess = 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr1.pdRegionWriteAccess = 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr1.reserved2 = 0x0;
+ /* FLMSTR2 (ME) */
+ descriptorStruct.masterAccessSection.flMstr2.requesterId = 0x0000;
+ descriptorStruct.masterAccessSection.flMstr2.fdRegionReadAccess = 0x0; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr2.biosRegionReadAccess = 0x0; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr2.meRegionReadAccess = 0x0; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr2.gbeRegionReadAccess = 0x0; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr2.pdRegionReadAccess = 0x0; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr2.reserved1 = 0x0;
+ descriptorStruct.masterAccessSection.flMstr2.fdRegionWriteAccess = 0x0; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr2.biosRegionWriteAccess = 0x0; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr2.meRegionWriteAccess = 0x0; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr2.gbeRegionWriteAccess = 0x0; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr2.pdRegionWriteAccess = 0x0; /* see ../descriptor/descriptor.c */
+ descriptorStruct.masterAccessSection.flMstr2.reserved2 = 0x0;
+ /* FLMSTR3 (Gbe) */
+ descriptorStruct.masterAccessSection.flMstr3.requesterId = 0x0218;
+ descriptorStruct.masterAccessSection.flMstr3.fdRegionReadAccess = 0x0;
+ descriptorStruct.masterAccessSection.flMstr3.biosRegionReadAccess = 0x0;
+ descriptorStruct.masterAccessSection.flMstr3.meRegionReadAccess = 0x0;
+ descriptorStruct.masterAccessSection.flMstr3.gbeRegionReadAccess = 0x1;
+ descriptorStruct.masterAccessSection.flMstr3.pdRegionReadAccess = 0x0;
+ descriptorStruct.masterAccessSection.flMstr3.reserved1 = 0x0;
+ descriptorStruct.masterAccessSection.flMstr3.fdRegionWriteAccess = 0x0;
+ descriptorStruct.masterAccessSection.flMstr3.biosRegionWriteAccess = 0x0;
+ descriptorStruct.masterAccessSection.flMstr3.meRegionWriteAccess = 0x0;
+ descriptorStruct.masterAccessSection.flMstr3.gbeRegionWriteAccess = 0x1;
+ descriptorStruct.masterAccessSection.flMstr3.pdRegionWriteAccess = 0x0;
+ descriptorStruct.masterAccessSection.flMstr3.reserved2 = 0x0;
+ /* Padding */
+ for (i = 0; i < 148; i++) {
+ descriptorStruct.masterAccessSection.padding[i] = 0xFF;
+ }
+
+ /* ICH straps */
+ /* ICHSTRAP0 */
+ descriptorStruct.ichStraps.ichStrap0.meDisable = 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.ichStraps.ichStrap0.reserved1 = 0x04;
+ descriptorStruct.ichStraps.ichStrap0.tcoMode = 0x1;
+ descriptorStruct.ichStraps.ichStrap0.smBusAddress = 0x64;
+ descriptorStruct.ichStraps.ichStrap0.bmcMode = 0x0;
+ descriptorStruct.ichStraps.ichStrap0.tripPointSelect = 0x0;
+ descriptorStruct.ichStraps.ichStrap0.reserved2 = 0x0;
+ descriptorStruct.ichStraps.ichStrap0.integratedGbe = hasGbe ? 0x1 : 0x0;
+ descriptorStruct.ichStraps.ichStrap0.lanPhy = hasGbe ? 0x1 : 0x0;
+ descriptorStruct.ichStraps.ichStrap0.reserved3 = 0x0;
+ descriptorStruct.ichStraps.ichStrap0.dmiRequesterId = 0x0;
+ descriptorStruct.ichStraps.ichStrap0.smBus2Address = 0x00;
+ /* ICHSTRAP1 */
+ descriptorStruct.ichStraps.ichStrap1.northMlink = 0x1;
+ descriptorStruct.ichStraps.ichStrap1.southMlink = 0x1;
+ descriptorStruct.ichStraps.ichStrap1.meSmbus = 0x1;
+ descriptorStruct.ichStraps.ichStrap1.sstDynamic = 0x1;
+ descriptorStruct.ichStraps.ichStrap1.reserved1 = 0x0;
+ descriptorStruct.ichStraps.ichStrap1.northMlink2 = 0x1;
+ descriptorStruct.ichStraps.ichStrap1.reserved2 = 0x00;
+ descriptorStruct.ichStraps.ichStrap1.reserved3 = 0x0000;
+ /* Padding */
+ for (i = 0; i < 248; i++) {
+ descriptorStruct.ichStraps.padding[i] = 0xFF;
+ }
+
+ /* MCH straps */
+ /* MCHSTRAP0 */
+ descriptorStruct.mchStraps.mchStrap0.meDisable = 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.mchStraps.mchStrap0.meBootFromFlash = 0x0;
+ descriptorStruct.mchStraps.mchStrap0.tpmDisable = 0x1; /* see ../descriptor/descriptor.c */
+ descriptorStruct.mchStraps.mchStrap0.reserved1 = 0x7;
+ descriptorStruct.mchStraps.mchStrap0.spiFingerprint = 0x1;
+ descriptorStruct.mchStraps.mchStrap0.meAlternateDisable = 0x0;
+ descriptorStruct.mchStraps.mchStrap0.reserved2 = 0xff;
+ descriptorStruct.mchStraps.mchStrap0.reserved3 = 0xffff;
+ /* Padding */
+ for (i = 0; i < 3292; i++) {
+ descriptorStruct.mchStraps.padding[i] = 0xFF;
+ }
+
+ /* ME VSCC Table */
+ descriptorStruct.meVsccTable.jid0 = 0x001720c2;
+ descriptorStruct.meVsccTable.vscc0 = 0x20052005;
+ descriptorStruct.meVsccTable.jid1 = 0x001730ef;
+ descriptorStruct.meVsccTable.vscc1 = 0x20052005;
+ descriptorStruct.meVsccTable.jid2 = 0x0000481f;
+ descriptorStruct.meVsccTable.vscc2 = 0x20152015;
+ /* Padding */
+ for (i = 0; i < 4; i++) {
+ descriptorStruct.meVsccTable.padding[i] = 0xFF;
+ }
+
+ /* Descriptor Map 2 Record */
+ descriptorStruct.descriptor2Map.meVsccTableBaseAddress = 0xee;
+ descriptorStruct.descriptor2Map.meVsccTableLength = 0x06;
+ descriptorStruct.descriptor2Map.reserved = 0x0000;
+
+ /* OEM section */
+ /* see ../descriptor/descriptor.c */
+ /* Magic String (ascii characters) */
+ 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;
+ /* Padding */
+ for (i = 0; i < 248; i++) {
+ descriptorStruct.oemSection.padding[i] = 0xFF;
+ }
+
+ return descriptorStruct;
+}
+
diff --git a/src/ich9gen/mkdescriptor.h b/src/ich9gen/mkdescriptor.h
new file mode 100644
index 0000000..8663db8
--- /dev/null
+++ b/src/ich9gen/mkdescriptor.h
@@ -0,0 +1,27 @@
+/*
+ * Copyright (C) 2014 Leah Rowe <info@minifree.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ICH9GEN_MKDESCRIPTOR_H
+#define ICH9GEN_MKDESCRIPTOR_H
+
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include "../descriptor/descriptor.h"
+
+struct DESCRIPTORREGIONRECORD generatedDescriptorStruct(unsigned int romSize, int hasGbe);
+#endif
diff --git a/src/ich9gen/mkgbe.c b/src/ich9gen/mkgbe.c
new file mode 100644
index 0000000..1653265
--- /dev/null
+++ b/src/ich9gen/mkgbe.c
@@ -0,0 +1,257 @@
+/*
+ * Copyright (C) 2014 Leah Rowe <info@minifree.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#include "mkgbe.h"
+
+/* Generate a 4KiB Gbe struct, with default values. */
+/* Read ../gbe/gbe.h for an explanation of the default values used here */
+
+struct GBEREGIONRECORD_4K generatedGbeStruct4k()
+{
+ int i;
+ struct GBEREGIONRECORD_4K gbeStruct4k;
+
+ /* MAC address (words 00h to 02h) */
+ /* see ../gbe/gbe.c */
+ gbeStruct4k.macAddress[0] = 0x00;
+ gbeStruct4k.macAddress[1] = 0xf5;
+ gbeStruct4k.macAddress[2] = 0xf0;
+ gbeStruct4k.macAddress[3] = 0x40;
+ gbeStruct4k.macAddress[4] = 0x71;
+ gbeStruct4k.macAddress[5] = 0xfe;
+
+ /* Word 03h (Reserved) */
+ gbeStruct4k.reservedWord03h.reserved1_0 = 0x00;
+ gbeStruct4k.reservedWord03h.reserved1_1 = 0x0;
+ gbeStruct4k.reservedWord03h.ibaLom = 0x1;
+ gbeStruct4k.reservedWord03h.reserved2 = 0x0;
+
+ /* Word 04h (Reserved) */
+ gbeStruct4k.reservedWord04h = 0xffff;
+
+ /* Word 05h (Image Version Information) */
+ gbeStruct4k.imageVersionInformation = 0x1083;
+
+ /* Words 06h and 07h (Reserved) */
+ gbeStruct4k.reservedWords06h07h[0] = 0xffff;
+ gbeStruct4k.reservedWords06h07h[1] = 0xffff;
+
+ /* Word 08h and 09h (PBA Low and PBA High) */
+ gbeStruct4k.pbaLow = 0x1008;
+ gbeStruct4k.pbaHigh = 0xffff;
+
+ /* Word 0Ah (PCI Initialization Control Word) */
+ gbeStruct4k.pciInitializationControlWord.loadVendorDeviceId = 0x1;
+ gbeStruct4k.pciInitializationControlWord.loadSubsystemId = 0x1;
+ gbeStruct4k.pciInitializationControlWord.reserved1 = 0x0;
+ gbeStruct4k.pciInitializationControlWord.reserved2 = 0x0;
+ gbeStruct4k.pciInitializationControlWord.pmEnable = 0x1;
+ gbeStruct4k.pciInitializationControlWord.auxPwr = 0x1;
+ gbeStruct4k.pciInitializationControlWord.reserved3 = 0x0;
+ gbeStruct4k.pciInitializationControlWord.reserved4 = 0x1;
+
+ /* Word 0Bh (Subsystem ID) */
+ gbeStruct4k.subsystemId = 0x20ee;
+
+ /* Word 0Ch (Subsystem Vendor ID) */
+ gbeStruct4k.subsystemVendorId = 0x17aa;
+
+ /* Word 0Dh (Device ID) */
+ gbeStruct4k.deviceId = 0x10f5;
+
+ /* Word 0Eh (Vendor ID) */
+ gbeStruct4k.vendorId = 0x8086;
+
+ /* Word 0Fh (Device Revision ID) */
+ gbeStruct4k.deviceRevId = 0x0000;
+
+ /* Word 10h (LAN Power Consumption) */
+ gbeStruct4k.lanPowerConsumption.lanD3Power = 0x01;
+ gbeStruct4k.lanPowerConsumption.reserved = 0x0;
+ gbeStruct4k.lanPowerConsumption.lanD0Power = 0x0d;
+
+ /* Words 11h and 12h (Reserved) */
+ gbeStruct4k.reservedWords11h12h[0] = 0x0000;
+ gbeStruct4k.reservedWords11h12h[1] = 0x0000;
+
+ /* Word 13h (Shared Initialization Control Word) */
+ gbeStruct4k.sharedInitializationControlWord.reserved1 = 0x5;
+ gbeStruct4k.sharedInitializationControlWord.forceDuplex = 0x0;
+ gbeStruct4k.sharedInitializationControlWord.forceSpeedEnable = 0x0;
+ gbeStruct4k.sharedInitializationControlWord.reserved2_0 = 0x0;
+ gbeStruct4k.sharedInitializationControlWord.reserved2_1 = 0x0;
+ gbeStruct4k.sharedInitializationControlWord.phyPowerDownEnable = 0x1;
+ gbeStruct4k.sharedInitializationControlWord.reserved3 = 0x1;
+ gbeStruct4k.sharedInitializationControlWord.reserved4 = 0x0;
+ gbeStruct4k.sharedInitializationControlWord.sign = 0x2;
+
+ /* Word 14h (Extended Configuration Control Word 1) */
+ gbeStruct4k.extendedConfigurationControlWord1.extendedConfigurationPointer = 0x020;
+ gbeStruct4k.extendedConfigurationControlWord1.oemWriteEnable = 0x1;
+ gbeStruct4k.extendedConfigurationControlWord1.reserved1 = 0x1;
+ gbeStruct4k.extendedConfigurationControlWord1.reserved2 = 0x0;
+ gbeStruct4k.extendedConfigurationControlWord1.reserved3 = 0x0;
+
+ /* Word 15h (Extended Configuration Control Word 2) */
+ gbeStruct4k.extendedConfigurationControlWord2.reserved = 0x00;
+ gbeStruct4k.extendedConfigurationControlWord2.extendedPhyLength = 0x0a;
+
+ /* Word 16h (Extended Configuration Control Word 3) */
+ gbeStruct4k.extendedConfigurationControlWord3 = 0x0000;
+
+ /* Word 17h (LED 1 Configuration and Power Management) */
+ gbeStruct4k.ledCtl1.led1Mode = 0xb;
+ gbeStruct4k.ledCtl1.reserved1 = 0x0;
+ gbeStruct4k.ledCtl1.led1BlinkMode = 0x0;
+ gbeStruct4k.ledCtl1.led1Invert = 0x0;
+ gbeStruct4k.ledCtl1.led1Blink = 0x1;
+ gbeStruct4k.ledCtl1.reserved2 = 0x1;
+ gbeStruct4k.ledCtl1.lpluEnable = 0x0;
+ gbeStruct4k.ledCtl1.lpluEnableNonD0a = 0x1;
+ gbeStruct4k.ledCtl1.gbeDisableNonD0a = 0x1;
+ gbeStruct4k.ledCtl1.reserved3 = 0x0;
+ gbeStruct4k.ledCtl1.gbeDisable = 0x0;
+ gbeStruct4k.ledCtl1.reserved4 = 0x1;
+
+ /* Word 18h (LED 0 and 2 Configuration Defaults) */
+ gbeStruct4k.ledCtl02.led0Mode = 0x2;
+ gbeStruct4k.ledCtl02.reserved1 = 0x0;
+ gbeStruct4k.ledCtl02.led0BlinkMode = 0x0;
+ gbeStruct4k.ledCtl02.led0Invert = 0x0;
+ gbeStruct4k.ledCtl02.led0Blink = 0x0;
+ gbeStruct4k.ledCtl02.led2Mode = 0x6;
+ gbeStruct4k.ledCtl02.reserved2 = 0x0;
+ gbeStruct4k.ledCtl02.led2BlinkMode = 0x0;
+ gbeStruct4k.ledCtl02.led2Invert = 0x0;
+ gbeStruct4k.ledCtl02.led2Blink = 0x0;
+
+ /* Word 19h (Reserved) */
+ gbeStruct4k.reservedWord19h = 0x2b40;
+
+ /* Word 1Ah (Reserved) */
+ gbeStruct4k.reservedWord1Ah = 0x0043;
+
+ /* Word 1Bh (Reserved) */
+ gbeStruct4k.reservedWord1Bh = 0x0000;
+
+ /* Word 1Ch (Reserved) */
+ gbeStruct4k.reservedWord1Ch = 0x10f5;
+
+ /* Word 1Dh (Reserved) */
+ gbeStruct4k.reservedWord1Dh = 0xbaad;
+
+ /* Word 1Eh (Device ID for Intel 82567LM gigabit ethernet controller) */
+ gbeStruct4k._82567lmDeviceId = 0x10f5;
+
+ /* Word 1Fh (Device ID for Intel 82567LF gigabit ethernet controller) */
+ gbeStruct4k._82567lfDeviceId = 0x10bf;
+
+ /* Word 20h (Reserved) */
+ gbeStruct4k.reservedWord20h = 0xbaad;
+
+ /* Word 21h (Device ID for Intel 82567V gigabit ethernet controller) */
+ gbeStruct4k._82567vDeviceId = 0x10cb;
+
+ /* Word 22h (Reserved) */
+ gbeStruct4k.reservedWord22h = 0xbaad;
+
+ /* Word 23h (Reserved) */
+ gbeStruct4k.reservedWord23h = 0xbaad;
+
+ /* Words 24h to 2Fh (Reserved) */
+ gbeStruct4k.reservedWords24to2Fh[0] = 0x0000;
+ gbeStruct4k.reservedWords24to2Fh[1] = 0x0000;
+ gbeStruct4k.reservedWords24to2Fh[2] = 0x0000;
+ gbeStruct4k.reservedWords24to2Fh[3] = 0x0000;
+ gbeStruct4k.reservedWords24to2Fh[4] = 0x0000;
+ gbeStruct4k.reservedWords24to2Fh[5] = 0x0000;
+ gbeStruct4k.reservedWords24to2Fh[6] = 0x0000;
+ gbeStruct4k.reservedWords24to2Fh[7] = 0x0000;
+ gbeStruct4k.reservedWords24to2Fh[8] = 0x0000;
+ gbeStruct4k.reservedWords24to2Fh[9] = 0x0000;
+ gbeStruct4k.reservedWords24to2Fh[10] = 0x0000;
+ gbeStruct4k.reservedWords24to2Fh[11] = 0x0000;
+
+ /* Words 30h to 3Eh (PXE Software Region) */
+ /* Boot Agent Main Setup Options (Word 30h) */
+ gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.protocolSelect = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved1 = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.defaultBootSelection = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved2 = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.promptTime = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.displaySetupMessage = 0x1;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved3 = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceSpeed = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceFullDuplex = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved4 = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.efiPresence = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.pxePresence = 0x0;
+ /* Boot Agent Configuration Customization Options (Word 31h) */
+ gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableSetupMenu = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableTitleMessage = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableProtocolSelect = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableBootSelection = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableLegacyWakeupSupport = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableFlashUpdate = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved1 = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.ibaBootOrderSetupMode = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved2 = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.signature = 0x1;
+ /* Boot Agent Configuration Customization Options (Word 32h) */
+ gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.buildNumber = 0x18;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.minorVersionNumber = 0x3;
+ gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.majorVersionNumber = 0x1;
+ /* IBA Capabilities (Word 33h) */
+ gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.baseCodePresent = 0x1;
+ gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.undiCapabilityPresent = 0x1;
+ gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved1 = 0x1;
+ gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.efiUndiCapabilityPresent = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_0 = 0x0;
+ gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_1 = 0x00;
+ gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.signature = 0x1;
+ /* Padding (Words 34h to 3Eh) */
+ gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[0] = 0xffff;
+ gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[1] = 0xffff;
+ gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[2] = 0xffff;
+ gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[3] = 0xffff;
+ gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[4] = 0xffff;
+ gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[5] = 0xffff;
+ gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[6] = 0xffff;
+ gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[7] = 0xffff;
+ gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[8] = 0xffff;
+ gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[9] = 0xffff;
+ gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[10] = 0xffff;
+
+ /* Word 3Fh (Checksum) */
+ gbeStruct4k.checkSum = gbeGetChecksumFrom4kStruct(gbeStruct4k, GBECHECKSUMTOTAL);
+
+ /* The rest of Gbe (word 40h or byte 80h onwards) is just padding (0xFF) */
+ for (i = 0; i < 3968; i++) {
+ gbeStruct4k.padding[i] = 0xFF;
+ }
+
+ return gbeStruct4k;
+}
+
+struct GBEREGIONRECORD_8K generatedGbeStruct8k()
+{
+ struct GBEREGIONRECORD_8K gbeStruct8k;
+ gbeStruct8k.main = generatedGbeStruct4k();
+ memcpy(&gbeStruct8k.backup, &gbeStruct8k.main, GBEREGIONSIZE_4K);
+ return gbeStruct8k;
+}
+
diff --git a/src/ich9gen/mkgbe.h b/src/ich9gen/mkgbe.h
new file mode 100644
index 0000000..1697417
--- /dev/null
+++ b/src/ich9gen/mkgbe.h
@@ -0,0 +1,29 @@
+/*
+ * Copyright (C) 2014 Leah Rowe <info@minifree.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ICH9GEN_MKGBE_H
+#define ICH9GEN_MKGBE_H
+
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+#include "../gbe/gbe.h"
+
+struct GBEREGIONRECORD_4K generatedGbeStruct4k();
+struct GBEREGIONRECORD_8K generatedGbeStruct8k();
+
+#endif
diff --git a/src/ich9show.c b/src/ich9show.c
new file mode 100644
index 0000000..4d71dad
--- /dev/null
+++ b/src/ich9show.c
@@ -0,0 +1,152 @@
+/*
+ * ich9show.c
+ * Just a little hack by Leah to show the ICH9 region read/write status
+ *
+ * Purpose: disable and remove the ME from ich9m/gm45 systems in coreboot.
+ *
+ * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
+ * Copyright (C) 2014,2015,2019 Leah Rowe <info@minifree.org>
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+/* Initially based on proof of concept by Steve Shenton. */
+/* Original utility can be found at https://gitorious.org/ich9descriptortool */
+
+/*
+ * Read a factory.rom dump (ich9m/gm45 systems) and
+ * modify the flash descriptor to remove all regions except descriptor,
+ * Gbe and BIOS. Set BIOS region to full size of the ROM image (after
+ * the flash descriptor and gbe). Basically, deblob the descriptor.
+ *
+ * This will will generate a concatenated descriptor+gbe dump suitable
+ * for use in libreboot. Currently tested: ThinkPad X200 (coreboot/libreboot)
+ */
+
+/*
+ * 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
+ *
+ * Info about Gbe region (read whole datasheet):
+ * http://www.intel.co.uk/content/dam/doc/application-note/i-o-controller-hub-9m-82567lf-lm-v-nvm-map-appl-note.pdf
+ * https://web.archive.org/web/20150912070329/https://communities.intel.com/community/wired/blog/2010/10/14/how-to-basic-eeprom-checksums
+ */
+
+#include "ich9show.h"
+
+int main(int argc, char *argv[])
+{
+ if(argc!=2) {
+ printf("Incorrect number of arguments. Please specify *one* ROM path.\n");
+ return 1;
+ } /* TODO: Make ich9show support dumping stats of multiple ROM images */
+
+ struct DESCRIPTORREGIONRECORD descriptorStruct;
+ uint8_t* descriptorBuffer = (uint8_t*)&descriptorStruct;
+
+ struct GBEREGIONRECORD_8K gbeStruct8k;
+ uint8_t* gbeBuffer8k = (uint8_t*)&gbeStruct8k;
+ uint32_t gbeRegionStart;
+
+ char* romFilename = argv[1];
+
+ unsigned int bufferLength;
+ unsigned int romSize;
+
+ /*
+ * ------------------------------------------------------------------
+ * Compatibility checks. This version of ich9deblob is not yet portable.
+ * ------------------------------------------------------------------
+ */
+
+ if (systemOrCompilerIncompatible(descriptorStruct, gbeStruct8k)) return 1;
+ /* If true, fail with error message */
+
+ /*
+ * ------------------------------------------------------------------
+ * Extract the descriptor and gbe regions from the factory.rom dump
+ * ------------------------------------------------------------------
+ */
+ FILE* fp = NULL;
+ fp = fopen(romFilename, "rb");
+ if (NULL == fp)
+ {
+ printf("\nerror: could not open %s\n", romFilename);
+ fclose(fp);
+ return 1;
+ }
+ printf("\n%s opened successfully\n", romFilename);
+
+ /*
+ * Get the descriptor region dump from the the given ROM
+ * (goes in factoryDescriptorBuffer variable)
+ */
+ bufferLength = fread(descriptorBuffer, 1, DESCRIPTORREGIONSIZE, fp);
+ if (DESCRIPTORREGIONSIZE != bufferLength) //
+ {
+ printf("\nerror: could not read descriptor from %s (%i) bytes read\n", romFilename, bufferLength);
+ fclose(fp);
+ return 1;
+ }
+ printf("\ndescriptor region read successfully\n");
+
+ if(!validDescriptor(descriptorStruct)) {
+ printf("Invalid input: incorrect signature in the given descriptor.");
+ fclose(fp);
+ return 1;
+ }
+
+ if (descriptorDefinesGbeRegion(descriptorStruct))
+ {
+ gbeRegionStart = descriptorStruct.regionSection.flReg3.BASE << FLREGIONBITSHIFT;
+
+ /*
+ * Set offset so that we can read the data from
+ * the gbe region
+ */
+ fseek(fp, gbeRegionStart, SEEK_SET);
+ /* Read the gbe data from the given ROM and put it in factoryGbeBuffer8k */
+ bufferLength = fread(gbeBuffer8k, 1, GBEREGIONSIZE_8K, fp);
+ if (GBEREGIONSIZE_8K != bufferLength)
+ {
+ printf("\nerror: could not read GBe region from %s (%i) bytes read\n", romFilename, bufferLength);
+ fclose(fp);
+ return 1;
+ }
+ printf("\ngbe (8KiB) region read successfully\n");
+ }
+
+ fseek(fp, 0L, SEEK_END);
+ romSize = ftell(fp);
+ printf("\n%s size: [%i] bytes\n", romFilename, romSize);
+
+ fclose(fp);
+
+ showDescriptorData(descriptorStruct);
+
+ if (descriptorDefinesGbeRegion(descriptorStruct))
+ {
+ printf("\nMain GbE region:\n\n");
+ showGbeData(gbeStruct8k.main);
+ printf("\n");
+
+ printf("\nBackup GbE region:\n\n");
+ showGbeData(gbeStruct8k.backup);
+ printf("\n");
+ }
+
+ return 0;
+}
diff --git a/src/ich9show.h b/src/ich9show.h
new file mode 100644
index 0000000..eb73369
--- /dev/null
+++ b/src/ich9show.h
@@ -0,0 +1,39 @@
+/*
+ * ich9show.c
+ * Just a little hack by Leah to show the ICH9 region read/write status
+ *
+ * Purpose: header file for ich9deblob.c
+ *
+ * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org>
+ * Copyright (C) 2015,2019 Leah Rowe <info@minifree.org>
+
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see <http://www.gnu.org/licenses/>.
+ */
+
+#ifndef ICH9SHOW_H
+#define ICH9SHOW_H
+
+#include <stdio.h>
+#include <string.h>
+#include <stdint.h>
+
+#include "common/descriptor_gbe.h" /* common descriptor/gbe functions used by ich9deblob */
+#include "common/x86compatibility.h" /* system/compiler compatibility checks. This code is not portable. */
+#include "descriptor/descriptor.h" /* structs describing what's in the descriptor region */
+#include "gbe/gbe.h" /* structs describing what's in the gbe region */
+
+int main();
+
+#endif
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