diff options
Diffstat (limited to 'resources/utilities/ich9deblob/ich9deblob.c')
| -rw-r--r-- | resources/utilities/ich9deblob/ich9deblob.c | 16 |
1 files changed, 8 insertions, 8 deletions
diff --git a/resources/utilities/ich9deblob/ich9deblob.c b/resources/utilities/ich9deblob/ich9deblob.c index 1563b7b..e0ebf45 100644 --- a/resources/utilities/ich9deblob/ich9deblob.c +++ b/resources/utilities/ich9deblob/ich9deblob.c @@ -59,7 +59,7 @@ unsigned short gbeGetChecksumFrom4kStruct(struct GBEREGIONRECORD_4K gbeStruct4k, unsigned short desiredValue); unsigned short gbeGetChecksumFrom8kBuffer(char* buffer, unsigned short desiredValue, char isBackup); // for GBe region (checksum calculation) unsigned short gbeGetRegionWordFrom8kBuffer(int i, char* buffer); // used for getting each word needed to calculate said checksum -struct DESCRIPTORREGIONRECORD deblobbedDescriptorStructFromFactory(struct DESCRIPTORREGIONRECORD factoryDescriptorStruct, unsigned int factoryRomSize, unsigned int factoryGbeRegionLocation); +struct DESCRIPTORREGIONRECORD deblobbedDescriptorStructFromFactory(struct DESCRIPTORREGIONRECORD factoryDescriptorStruct, unsigned int factoryRomSize, unsigned int factoryGbeRegionStart); int structSizesIncorrect(struct DESCRIPTORREGIONRECORD descriptorDummy, struct GBEREGIONRECORD_8K gbe8kDummy); int systemIsBigEndian(); int structBitfieldWrongOrder(); @@ -85,7 +85,7 @@ int main(int argc, char *argv[]) // Used to store the location of the Gbe // region inside the factory.rom image. - unsigned int factoryGbeRegionLocation; + unsigned int factoryGbeRegionStart; // names of the files that this utility will handle char* factoryRomFilename = "factory.rom"; // user-supplied factory.bin dump (original firmware) @@ -141,13 +141,13 @@ int main(int argc, char *argv[]) // get original GBe region location // (it will be moved to the beginning of the flash, after the descriptor region) - // note for example, factoryGbeRegionLocation is set to <<FLREGIONBITSHIFT of actual address (in C). this is how the addresses + // note for example, factoryGbeRegionStart is set to <<FLREGIONBITSHIFT of actual address (in C). this is how the addresses // are stored in the descriptor. - factoryGbeRegionLocation = factoryDescriptorStruct.regionSection.flReg3.BASE << FLREGIONBITSHIFT; + factoryGbeRegionStart = factoryDescriptorStruct.regionSection.flReg3.BASE << FLREGIONBITSHIFT; // Set offset so that we can read the data from // the gbe region - fseek(fileStream, factoryGbeRegionLocation, SEEK_SET); + fseek(fileStream, factoryGbeRegionStart, SEEK_SET); // Read the gbe data from the factory.rom and put it in factoryGbeBuffer8k bufferLength = fread(factoryGbeBuffer8k, sizeof(char), GBEREGIONSIZE, fileStream); if (GBEREGIONSIZE != bufferLength) @@ -181,7 +181,7 @@ int main(int argc, char *argv[]) // Disable the ME and Platform regions. Put Gbe at the beginning (after descriptor). // Also, extend the BIOS region to fill the ROM image (after descriptor+gbe). - deblobbedDescriptorStruct = deblobbedDescriptorStructFromFactory(factoryDescriptorStruct, factoryRomSize, factoryGbeRegionLocation); + deblobbedDescriptorStruct = deblobbedDescriptorStructFromFactory(factoryDescriptorStruct, factoryRomSize, factoryGbeRegionStart); // ---------------------------------------------------------------------------------------------------------------- @@ -388,7 +388,7 @@ struct GBEREGIONRECORD_8K deblobbedGbeStructFromFactory(struct GBEREGIONRECORD_8 // Modify the flash descriptor, to remove the ME/AMT, and disable all other regions // Only Flash Descriptor, Gbe and BIOS regions (BIOS region fills factoryRomSize-12k) are left. // Tested on ThinkPad X200 and X200S. X200T and other GM45 targets may also work. -struct DESCRIPTORREGIONRECORD deblobbedDescriptorStructFromFactory(struct DESCRIPTORREGIONRECORD factoryDescriptorStruct, unsigned int factoryRomSize, unsigned int factoryGbeRegionLocation) +struct DESCRIPTORREGIONRECORD deblobbedDescriptorStructFromFactory(struct DESCRIPTORREGIONRECORD factoryDescriptorStruct, unsigned int factoryRomSize, unsigned int factoryGbeRegionStart) { struct DESCRIPTORREGIONRECORD deblobbedDescriptorStruct; memcpy(&deblobbedDescriptorStruct, &factoryDescriptorStruct, DESCRIPTORREGIONSIZE); @@ -452,7 +452,7 @@ struct DESCRIPTORREGIONRECORD deblobbedDescriptorStructFromFactory(struct DESCRI printf("\nOriginal (factory.rom) Descriptor start block: %08x ; Descriptor end block: %08x\n", factoryDescriptorStruct.regionSection.flReg0.BASE << FLREGIONBITSHIFT, factoryDescriptorStruct.regionSection.flReg0.LIMIT << FLREGIONBITSHIFT); printf("Original (factory.rom) BIOS start block: %08x ; BIOS end block: %08x\n", factoryDescriptorStruct.regionSection.flReg1.BASE << FLREGIONBITSHIFT, factoryDescriptorStruct.regionSection.flReg1.LIMIT << FLREGIONBITSHIFT); printf("Original (factory.rom) ME start block: %08x ; ME end block: %08x\n", factoryDescriptorStruct.regionSection.flReg2.BASE << FLREGIONBITSHIFT, factoryDescriptorStruct.regionSection.flReg2.LIMIT << FLREGIONBITSHIFT); - printf("Original (factory.rom) GBe start block: %08x ; GBe end block: %08x\n", factoryGbeRegionLocation, factoryDescriptorStruct.regionSection.flReg3.LIMIT << FLREGIONBITSHIFT); + printf("Original (factory.rom) GBe start block: %08x ; GBe end block: %08x\n", factoryGbeRegionStart, factoryDescriptorStruct.regionSection.flReg3.LIMIT << FLREGIONBITSHIFT); printf("\nRelocated (libreboot.rom) Descriptor start block: %08x ; Descriptor end block: %08x\n", deblobbedDescriptorStruct.regionSection.flReg0.BASE << FLREGIONBITSHIFT, deblobbedDescriptorStruct.regionSection.flReg0.LIMIT << FLREGIONBITSHIFT); printf("Relocated (libreboot.rom) BIOS start block: %08x ; BIOS end block: %08x\n", deblobbedDescriptorStruct.regionSection.flReg1.BASE << FLREGIONBITSHIFT, deblobbedDescriptorStruct.regionSection.flReg1.LIMIT << FLREGIONBITSHIFT); |