/* * gbe/gbe.c * This file is part of the ich9deblob utility from the libreboot project * * Copyright (C) 2014 Steve Shenton <sgsit@libreboot.org> * Leah Rowe <info@minifree.org> * * This program is free software: you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation, either version 3 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ /* * Provide gbe related functions. */ /* structs describing the data from gbe region */ #include "gbe.h" /* * --------------------------------------------------------------------- * Gbe functions: * --------------------------------------------------------------------- */ /* gbe checksum calculation (algorithm based on datasheet) */ uint16_t gbeGetChecksumFrom4kBuffer(uint16_t* gbeWord, uint16_t desiredValue, int gbeRegionBase) { int wordOffset; uint16_t total = 0; for (wordOffset = 0; wordOffset < 0x3F; wordOffset++) total += gbeWord[wordOffset + (gbeRegionBase>>1)]; return desiredValue - total; } /* checksum calculation for 4k gbe struct (algorithm based on datasheet) */ uint16_t gbeGetChecksumFrom4kStruct(struct GBEREGIONRECORD_4K gbeStruct4k, uint16_t desiredValue) { return gbeGetChecksumFrom4kBuffer((uint16_t*)&gbeStruct4k, desiredValue, 0); } /* modify the gbe region extracted from a factory.rom dump */ struct GBEREGIONRECORD_8K deblobbedGbeStructFromFactory(struct GBEREGIONRECORD_8K gbeStruct8k) { unsigned int i; /* * http://www.intel.co.uk/content/dam/doc/application-note/82573-nvm-map-appl-note.pdf * That is a datasheet for a later chipset. Word 40H-53H seems (as per this datasheet) to be for AMT. * Writing over it doesn't seem to cause any harm, since the ME/AMT is already removed in libreboot. */ for(i = 0; i < sizeof(gbeStruct8k.backup.padding); i++) { gbeStruct8k.backup.padding[i] = 0xFF; /* FF is correct. In the struct, this is a char buffer. */ } /* We really only need to do this for words 40h-53h, but let's just nuke the whole lot. It's all 0xFF anyway. */ /* Fix the checksum */ gbeStruct8k.backup.checkSum = gbeGetChecksumFrom4kStruct(gbeStruct8k.backup, GBECHECKSUMTOTAL); /* Main Gbe region on X200 (as shipped by Lenovo) is broken. Fix it by over-writing it with the contents of the backup */ memcpy(&gbeStruct8k.main, &gbeStruct8k.backup, GBEREGIONSIZE_4K); return gbeStruct8k; } /* * --------------------------------------------------------------------- * C code generator (self-writing code) * --------------------------------------------------------------------- */ /* * Generate a C (.h) header file for the C source file made by notCreatedCFileFromGbeStruct4k() * * Output it to a file. */ int notCreatedHFileForGbeCFile(char* outFileName, char* cFileName) { remove(outFileName); /* Remove the old file before continuing */ /* Open the file that will be written to */ FILE* fp = fopen(outFileName, "w+"); /* ------------------------------ */ fprintf(fp, "/* %s: generated C code from ich9deblob */\n", outFileName); fprintf(fp, "/* .h header file for the gbe-generating C code (%s) */\n\n", cFileName); fprintf(fp, "#ifndef ICH9GEN_MKGBE_H\n"); fprintf(fp, "#define ICH9GEN_MKGBE_H\n\n"); fprintf(fp, "#include <stdio.h>\n"); fprintf(fp, "#include <string.h>\n"); fprintf(fp, "#include \"../gbe/gbe.h\"\n\n"); fprintf(fp, "struct GBEREGIONRECORD_4K generatedGbeStruct4k();\n"); fprintf(fp, "struct GBEREGIONRECORD_8K generatedGbeStruct8k();\n\n"); fprintf(fp, "#endif\n"); /* ------------------------------ */ fclose(fp); /* Always close the file when done. */ return 0; } /* * Generate a C source file that initializes the same data from a given * 4KiB Gbe data structure. * * It will simply copy the 4KiB struct at the end to make a full 8KiB struct. * So just pass a working 4KiB Gbe struct here and you're good to go. * * Output it to a file. */ int notCreatedCFileFromGbeStruct4k(struct GBEREGIONRECORD_4K gbeStruct4k, char* outFileName, char* headerFileName) { int i; int paddingSize; int paddingIdentical; remove(outFileName); /* Remove the old file before continuing */ /* Open the file that will be written to */ FILE* fp = fopen(outFileName, "w+"); /* ------------------------------ */ fprintf(fp, "/* %s: generated C code from ich9deblob */\n", outFileName); fprintf(fp, "/* .c source file for the gbe-generating C code */\n\n"); fprintf(fp, "#include \"%s\"\n\n", headerFileName); fprintf(fp, "/* Generate a 4KiB Gbe struct, with default values. */\n"); fprintf(fp, "/* Read ../gbe/gbe.h for an explanation of the default values used here */\n\n"); fprintf(fp, "struct GBEREGIONRECORD_4K generatedGbeStruct4k()\n"); fprintf(fp, "{\n"); fprintf(fp, " int i;\n"); fprintf(fp, " struct GBEREGIONRECORD_4K gbeStruct4k;\n"); fprintf(fp, "\n"); /* Words 00h to 02h: MAC Address */ fprintf(fp, " /* MAC address (words 00h to 02h) */\n"); fprintf(fp, " /* see ../gbe/gbe.c */\n"); for (i = 0; i < 6; i++) { fprintf(fp, " gbeStruct4k.macAddress[%d] = 0x%02x;\n", i, gbeStruct4k.macAddress[i]); } fprintf(fp, "\n"); /* Word 03h (Reserved) */ fprintf(fp, " /* Word 03h (Reserved) */\n"); fprintf(fp, " gbeStruct4k.reservedWord03h.reserved1_0 = 0x%02x;\n", gbeStruct4k.reservedWord03h.reserved1_0); fprintf(fp, " gbeStruct4k.reservedWord03h.reserved1_1 = 0x%01x;\n", gbeStruct4k.reservedWord03h.reserved1_1); fprintf(fp, " gbeStruct4k.reservedWord03h.ibaLom = 0x%01x;\n", gbeStruct4k.reservedWord03h.ibaLom); fprintf(fp, " gbeStruct4k.reservedWord03h.reserved2 = 0x%01x;\n", gbeStruct4k.reservedWord03h.reserved2); fprintf(fp, "\n"); /* Word 04h (Reserved) */ fprintf(fp, " /* Word 04h (Reserved) */\n"); fprintf(fp, " gbeStruct4k.reservedWord04h = 0x%04x;\n", gbeStruct4k.reservedWord04h); fprintf(fp, "\n"); /* Word 05h (Image Version Information) */ fprintf(fp, " /* Word 05h (Image Version Information) */\n"); fprintf(fp, " gbeStruct4k.imageVersionInformation = 0x%04x;\n", gbeStruct4k.imageVersionInformation); fprintf(fp, "\n"); /* Words 06h and 07h (Reserved) */ fprintf(fp, " /* Words 06h and 07h (Reserved) */\n"); for (i = 0; i < 2; i++) { fprintf(fp, " gbeStruct4k.reservedWords06h07h[%d] = 0x%04x;\n", i, gbeStruct4k.reservedWords06h07h[i]); } fprintf(fp, "\n"); /* Words 08h and 09h (PBA Low and PBA High) */ fprintf(fp, " /* Word 08h and 09h (PBA Low and PBA High) */\n"); fprintf(fp, " gbeStruct4k.pbaLow = 0x%04x;\n", gbeStruct4k.pbaLow); fprintf(fp, " gbeStruct4k.pbaHigh = 0x%04x;\n", gbeStruct4k.pbaHigh); fprintf(fp, "\n"); /* Word 0Ah (PCI Initialization Control Word) */ fprintf(fp, " /* Word 0Ah (PCI Initialization Control Word) */\n"); fprintf(fp, " gbeStruct4k.pciInitializationControlWord.loadVendorDeviceId = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.loadVendorDeviceId); fprintf(fp, " gbeStruct4k.pciInitializationControlWord.loadSubsystemId = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.loadSubsystemId); fprintf(fp, " gbeStruct4k.pciInitializationControlWord.reserved1 = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.reserved1); fprintf(fp, " gbeStruct4k.pciInitializationControlWord.reserved2 = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.reserved2); fprintf(fp, " gbeStruct4k.pciInitializationControlWord.pmEnable = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.pmEnable); fprintf(fp, " gbeStruct4k.pciInitializationControlWord.auxPwr = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.auxPwr); fprintf(fp, " gbeStruct4k.pciInitializationControlWord.reserved3 = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.reserved3); fprintf(fp, " gbeStruct4k.pciInitializationControlWord.reserved4 = 0x%01x;\n", gbeStruct4k.pciInitializationControlWord.reserved4); fprintf(fp, "\n"); /* Word 0Bh (Subsystem ID) */ fprintf(fp, " /* Word 0Bh (Subsystem ID) */\n"); fprintf(fp, " gbeStruct4k.subsystemId = 0x%04x;\n", gbeStruct4k.subsystemId); fprintf(fp, "\n"); /* Word 0Ch (Subsystem Vendor ID) */ fprintf(fp, " /* Word 0Ch (Subsystem Vendor ID) */\n"); fprintf(fp, " gbeStruct4k.subsystemVendorId = 0x%04x;\n", gbeStruct4k.subsystemVendorId); fprintf(fp, "\n"); /* Word 0Dh (Device ID) */ fprintf(fp, " /* Word 0Dh (Device ID) */\n"); fprintf(fp, " gbeStruct4k.deviceId = 0x%04x;\n", gbeStruct4k.deviceId); fprintf(fp, "\n"); /* Word 0Eh (Vendor ID) */ fprintf(fp, " /* Word 0Eh (Vendor ID) */\n"); fprintf(fp, " gbeStruct4k.vendorId = 0x%04x;\n", gbeStruct4k.vendorId); fprintf(fp, "\n"); /* Word 0Fh (Device Revision ID) */ fprintf(fp, " /* Word 0Fh (Device Revision ID) */\n"); fprintf(fp, " gbeStruct4k.deviceRevId = 0x%04x;\n", gbeStruct4k.deviceRevId); fprintf(fp, "\n"); /* Word 10h (LAN Power Consumption) */ fprintf(fp, " /* Word 10h (LAN Power Consumption) */\n"); fprintf(fp, " gbeStruct4k.lanPowerConsumption.lanD3Power = 0x%02x;\n", gbeStruct4k.lanPowerConsumption.lanD3Power); fprintf(fp, " gbeStruct4k.lanPowerConsumption.reserved = 0x%01x;\n", gbeStruct4k.lanPowerConsumption.reserved); fprintf(fp, " gbeStruct4k.lanPowerConsumption.lanD0Power = 0x%02x;\n", gbeStruct4k.lanPowerConsumption.lanD0Power); fprintf(fp, "\n"); /* Words 11h and 12h (Reserved) */ fprintf(fp, " /* Words 11h and 12h (Reserved) */\n"); for (i = 0; i < 2; i++) { fprintf(fp, " gbeStruct4k.reservedWords11h12h[%d] = 0x%04x;\n", i, gbeStruct4k.reservedWords11h12h[i]); } fprintf(fp, "\n"); /* Word 13h (Shared Initialization Control Word) */ fprintf(fp, " /* Word 13h (Shared Initialization Control Word) */\n"); fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.reserved1 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved1); fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.forceDuplex = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.forceDuplex); fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.forceSpeedEnable = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.forceSpeedEnable); fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.reserved2_0 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved2_0); fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.reserved2_1 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved2_1); fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.phyPowerDownEnable = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.phyPowerDownEnable); fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.reserved3 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved3); fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.reserved4 = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.reserved4); fprintf(fp, " gbeStruct4k.sharedInitializationControlWord.sign = 0x%01x;\n", gbeStruct4k.sharedInitializationControlWord.sign); fprintf(fp, "\n"); /* Word 14h (Extended Configuration Control Word 1) */ fprintf(fp, " /* Word 14h (Extended Configuration Control Word 1) */\n"); fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord1.extendedConfigurationPointer = 0x%03x;\n", gbeStruct4k.extendedConfigurationControlWord1.extendedConfigurationPointer); fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord1.oemWriteEnable = 0x%01x;\n", gbeStruct4k.extendedConfigurationControlWord1.oemWriteEnable); fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord1.reserved1 = 0x%01x;\n", gbeStruct4k.extendedConfigurationControlWord1.reserved1); fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord1.reserved2 = 0x%01x;\n", gbeStruct4k.extendedConfigurationControlWord1.reserved2); fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord1.reserved3 = 0x%01x;\n", gbeStruct4k.extendedConfigurationControlWord1.reserved3); fprintf(fp, "\n"); /* Word 15h (Extended Configuration Control Word 2) */ fprintf(fp, " /* Word 15h (Extended Configuration Control Word 2) */\n"); fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord2.reserved = 0x%02x;\n", gbeStruct4k.extendedConfigurationControlWord2.reserved); fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord2.extendedPhyLength = 0x%02x;\n", gbeStruct4k.extendedConfigurationControlWord2.extendedPhyLength); fprintf(fp, "\n"); /* Word 16h (Extended Configuration Control Word 3) */ fprintf(fp, " /* Word 16h (Extended Configuration Control Word 3) */\n"); fprintf(fp, " gbeStruct4k.extendedConfigurationControlWord3 = 0x%04x;\n", gbeStruct4k.extendedConfigurationControlWord3); fprintf(fp, "\n"); /* Word 17h (LED 1 Configuration and Power Management) */ fprintf(fp, " /* Word 17h (LED 1 Configuration and Power Management) */\n"); fprintf(fp, " gbeStruct4k.ledCtl1.led1Mode = 0x%01x;\n", gbeStruct4k.ledCtl1.led1Mode); fprintf(fp, " gbeStruct4k.ledCtl1.reserved1 = 0x%01x;\n", gbeStruct4k.ledCtl1.reserved1); fprintf(fp, " gbeStruct4k.ledCtl1.led1BlinkMode = 0x%01x;\n", gbeStruct4k.ledCtl1.led1BlinkMode); fprintf(fp, " gbeStruct4k.ledCtl1.led1Invert = 0x%01x;\n", gbeStruct4k.ledCtl1.led1Invert); fprintf(fp, " gbeStruct4k.ledCtl1.led1Blink = 0x%01x;\n", gbeStruct4k.ledCtl1.led1Blink); fprintf(fp, " gbeStruct4k.ledCtl1.reserved2 = 0x%01x;\n", gbeStruct4k.ledCtl1.reserved2); fprintf(fp, " gbeStruct4k.ledCtl1.lpluEnable = 0x%01x;\n", gbeStruct4k.ledCtl1.lpluEnable); fprintf(fp, " gbeStruct4k.ledCtl1.lpluEnableNonD0a = 0x%01x;\n", gbeStruct4k.ledCtl1.lpluEnableNonD0a); fprintf(fp, " gbeStruct4k.ledCtl1.gbeDisableNonD0a = 0x%01x;\n", gbeStruct4k.ledCtl1.gbeDisableNonD0a); fprintf(fp, " gbeStruct4k.ledCtl1.reserved3 = 0x%01x;\n", gbeStruct4k.ledCtl1.reserved3); fprintf(fp, " gbeStruct4k.ledCtl1.gbeDisable = 0x%01x;\n", gbeStruct4k.ledCtl1.gbeDisable); fprintf(fp, " gbeStruct4k.ledCtl1.reserved4 = 0x%01x;\n", gbeStruct4k.ledCtl1.reserved4); fprintf(fp, "\n"); /* Word 18h (LED 0 and 2 Configuration Defaults) */ fprintf(fp, " /* Word 18h (LED 0 and 2 Configuration Defaults) */\n"); fprintf(fp, " gbeStruct4k.ledCtl02.led0Mode = 0x%01x;\n", gbeStruct4k.ledCtl02.led0Mode); fprintf(fp, " gbeStruct4k.ledCtl02.reserved1 = 0x%01x;\n", gbeStruct4k.ledCtl02.reserved1); fprintf(fp, " gbeStruct4k.ledCtl02.led0BlinkMode = 0x%01x;\n", gbeStruct4k.ledCtl02.led0BlinkMode); fprintf(fp, " gbeStruct4k.ledCtl02.led0Invert = 0x%01x;\n", gbeStruct4k.ledCtl02.led0Invert); fprintf(fp, " gbeStruct4k.ledCtl02.led0Blink = 0x%01x;\n", gbeStruct4k.ledCtl02.led0Blink); fprintf(fp, " gbeStruct4k.ledCtl02.led2Mode = 0x%01x;\n", gbeStruct4k.ledCtl02.led2Mode); fprintf(fp, " gbeStruct4k.ledCtl02.reserved2 = 0x%01x;\n", gbeStruct4k.ledCtl02.reserved2); fprintf(fp, " gbeStruct4k.ledCtl02.led2BlinkMode = 0x%01x;\n", gbeStruct4k.ledCtl02.led2BlinkMode); fprintf(fp, " gbeStruct4k.ledCtl02.led2Invert = 0x%01x;\n", gbeStruct4k.ledCtl02.led2Invert); fprintf(fp, " gbeStruct4k.ledCtl02.led2Blink = 0x%01x;\n", gbeStruct4k.ledCtl02.led2Blink); fprintf(fp, "\n"); /* Word 19h (Reserved) */ fprintf(fp, " /* Word 19h (Reserved) */\n"); fprintf(fp, " gbeStruct4k.reservedWord19h = 0x%04x;\n", gbeStruct4k.reservedWord19h); fprintf(fp, "\n"); /* Word 1Ah (Reserved) */ fprintf(fp, " /* Word 1Ah (Reserved) */\n"); fprintf(fp, " gbeStruct4k.reservedWord1Ah = 0x%04x;\n", gbeStruct4k.reservedWord1Ah); fprintf(fp, "\n"); /* Word 1Bh (Reserved) */ fprintf(fp, " /* Word 1Bh (Reserved) */\n"); fprintf(fp, " gbeStruct4k.reservedWord1Bh = 0x%04x;\n", gbeStruct4k.reservedWord1Bh); fprintf(fp, "\n"); /* Word 1Ch (Reserved) */ fprintf(fp, " /* Word 1Ch (Reserved) */\n"); fprintf(fp, " gbeStruct4k.reservedWord1Ch = 0x%04x;\n", gbeStruct4k.reservedWord1Ch); fprintf(fp, "\n"); /* Word 1Dh (Reserved) */ fprintf(fp, " /* Word 1Dh (Reserved) */\n"); fprintf(fp, " gbeStruct4k.reservedWord1Dh = 0x%04x;\n", gbeStruct4k.reservedWord1Dh); fprintf(fp, "\n"); /* Word 1Eh (Device ID for Intel 82567LM gigabit ethernet controller) */ fprintf(fp, " /* Word 1Eh (Device ID for Intel 82567LM gigabit ethernet controller) */\n"); fprintf(fp, " gbeStruct4k._82567lmDeviceId = 0x%04x;\n", gbeStruct4k._82567lmDeviceId); fprintf(fp, "\n"); /* Word 1Fh (Device ID for Intel 82567LF gigabit ethernet controller) */ fprintf(fp, " /* Word 1Fh (Device ID for Intel 82567LF gigabit ethernet controller) */\n"); fprintf(fp, " gbeStruct4k._82567lfDeviceId = 0x%04x;\n", gbeStruct4k._82567lfDeviceId); fprintf(fp, "\n"); /* Word 20h (Reserved) */ fprintf(fp, " /* Word 20h (Reserved) */\n"); fprintf(fp, " gbeStruct4k.reservedWord20h = 0x%04x;\n", gbeStruct4k.reservedWord20h); fprintf(fp, "\n"); /* Word 21h (Device ID for Intel 82567V gigabit ethernet controller) */ fprintf(fp, " /* Word 21h (Device ID for Intel 82567V gigabit ethernet controller) */\n"); fprintf(fp, " gbeStruct4k._82567vDeviceId = 0x%04x;\n", gbeStruct4k._82567vDeviceId); fprintf(fp, "\n"); /* Word 22h (Reserved) */ fprintf(fp, " /* Word 22h (Reserved) */\n"); fprintf(fp, " gbeStruct4k.reservedWord22h = 0x%04x;\n", gbeStruct4k.reservedWord22h); fprintf(fp, "\n"); /* Word 23h (Reserved) */ fprintf(fp, " /* Word 23h (Reserved) */\n"); fprintf(fp, " gbeStruct4k.reservedWord23h = 0x%04x;\n", gbeStruct4k.reservedWord23h); fprintf(fp, "\n"); /* Words 24h to 2Fh (Reserved) */ fprintf(fp, " /* Words 24h to 2Fh (Reserved) */\n"); for (i = 0; i < 12; i++) { fprintf(fp, " gbeStruct4k.reservedWords24to2Fh[%d] = 0x%04x;\n", i, gbeStruct4k.reservedWords24to2Fh[i]); } fprintf(fp, "\n"); /* Words 30h to 3Eh (PXE Software Region) */ fprintf(fp, " /* Words 30h to 3Eh (PXE Software Region) */\n"); fprintf(fp, " /* Boot Agent Main Setup Options (Word 30h) */\n"); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.protocolSelect = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.protocolSelect); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved1 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved1); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.defaultBootSelection = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.defaultBootSelection); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved2 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved2); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.promptTime = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.promptTime); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.displaySetupMessage = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.displaySetupMessage); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved3 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved3); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceSpeed = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceSpeed); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceFullDuplex = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.forceFullDuplex); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved4 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.reserved4); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.efiPresence = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.efiPresence); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.pxePresence = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentMainSetupOptions.pxePresence); fprintf(fp, " /* Boot Agent Configuration Customization Options (Word 31h) */\n"); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableSetupMenu = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableSetupMenu); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableTitleMessage = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableTitleMessage); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableProtocolSelect = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableProtocolSelect); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableBootSelection = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableBootSelection); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableLegacyWakeupSupport = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableLegacyWakeupSupport); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableFlashUpdate = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.disableFlashUpdate); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved1 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved1); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.ibaBootOrderSetupMode = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.ibaBootOrderSetupMode); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved2 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.reserved2); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.signature = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions31h.signature); fprintf(fp, " /* Boot Agent Configuration Customization Options (Word 32h) */\n"); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.buildNumber = 0x%02x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.buildNumber); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.minorVersionNumber = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.minorVersionNumber); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.majorVersionNumber = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.bootAgentConfigurationCustomizationOptions32h.majorVersionNumber); fprintf(fp, " /* IBA Capabilities (Word 33h) */\n"); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.baseCodePresent = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.baseCodePresent); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.undiCapabilityPresent = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.undiCapabilityPresent); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved1 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved1); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.efiUndiCapabilityPresent = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.efiUndiCapabilityPresent); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_0 = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_0); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_1 = 0x%02x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.reserved2_1); fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.signature = 0x%01x;\n", gbeStruct4k.pxeSoftwareRegion.ibaCapabilities.signature); fprintf(fp, " /* Padding (Words 34h to 3Eh) */\n"); for (i = 0; i < 11; i++) { fprintf(fp, " gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[%d] = 0x%04x;\n", i, gbeStruct4k.pxeSoftwareRegion.paddingWords34hTo3Eh[i]); } fprintf(fp, "\n"); /* Word 3Fh (Checksum) */ fprintf(fp, " /* Word 3Fh (Checksum) */\n"); fprintf(fp, " gbeStruct4k.checkSum = 0x%04x;\n", gbeStruct4k.checkSum); fprintf(fp, "\n"); /* The rest of Gbe is just padding */ paddingSize = sizeof(gbeStruct4k.padding); paddingIdentical = 1; /* Assume that it's all 0xFF, then try to disprove it */ for (i = 0; i < paddingSize; i++) { /* check whether contents differ */ if (gbeStruct4k.padding[i] != 0xFF) { paddingIdentical = 0; break; } } if (!paddingIdentical) { fprintf(fp, " /* The rest of Gbe (word 40h or byte 80h onwards) is just padding */\n"); for (i = 0; i < paddingSize; i++) { /* contents are not all 0xFF, just spit them all out one by one */ fprintf(fp, " gbeStruct4k.padding[%d] = 0x%02x;\n", i, gbeStruct4k.padding[i]); } } else { /* contents are all 0xFF. Generate a small for loop that sets them all to 0xFF */ fprintf(fp, " /* The rest of Gbe (word 40h or byte 80h onwards) is just padding (0xFF) */\n"); fprintf(fp, " for (i = 0; i < %d; i++) {\n", paddingSize); fprintf(fp, " gbeStruct4k.padding[i] = 0xFF;\n"); fprintf(fp, " }\n"); } fprintf(fp, "\n"); fprintf(fp, " return gbeStruct4k;\n"); fprintf(fp, "}\n\n"); fprintf(fp, "struct GBEREGIONRECORD_8K generatedGbeStruct8k()\n"); fprintf(fp, "{\n"); fprintf(fp, " struct GBEREGIONRECORD_8K gbeStruct8k;\n"); fprintf(fp, " gbeStruct8k.main = generatedGbeStruct4k();\n"); fprintf(fp, " memcpy(&gbeStruct8k.backup, &gbeStruct8k.main, GBEREGIONSIZE_4K);\n"); fprintf(fp, " return gbeStruct8k;\n"); fprintf(fp, "}\n\n"); /* ------------------------------ */ fclose(fp); /* Always close the file when done. */ return 0; } /* * --------------------------------------------------------------------- * Debugging functions: * --------------------------------------------------------------------- */ /* * show debugging info: show calculated (correct) gbe checksum and what * is actually stored, in a 4K gbe struct. Only for a single region. */ void printGbeChecksumDataFromStruct4k(struct GBEREGIONRECORD_4K gbeStruct4k, char* romName, char* regionName) { printf( "%s Gbe (%s): calculated Gbe checksum: 0x%hx and actual GBe checksum: 0x%hx\n", romName, regionName, gbeGetChecksumFrom4kStruct(gbeStruct4k, GBECHECKSUMTOTAL), gbeStruct4k.checkSum ); return; } /* * show debugging info: show calculated (correct) gbe checksum and what * is actually stored, in a 8K gbe struct. Do so for main and backup regions. */ void printGbeChecksumDataFromStruct8k(struct GBEREGIONRECORD_8K gbeStruct8k, char* romName) { printGbeChecksumDataFromStruct4k(gbeStruct8k.main, romName, "main"); printGbeChecksumDataFromStruct4k(gbeStruct8k.backup, romName, "backup"); return; }