diff options
Diffstat (limited to 'resources/utilities/ich9deblob/ich9deblob.c')
| -rw-r--r-- | resources/utilities/ich9deblob/ich9deblob.c | 61 |
1 files changed, 59 insertions, 2 deletions
diff --git a/resources/utilities/ich9deblob/ich9deblob.c b/resources/utilities/ich9deblob/ich9deblob.c index 22c5787..216c8d0 100644 --- a/resources/utilities/ich9deblob/ich9deblob.c +++ b/resources/utilities/ich9deblob/ich9deblob.c @@ -63,6 +63,7 @@ struct DESCRIPTORREGIONRECORD deblobbedFromFactory(struct DESCRIPTORREGIONRECORD int structSizesIncorrect(struct DESCRIPTORREGIONRECORD descriptorDummy, struct GBEREGIONRECORD_8K gbe8kDummy); int systemIsBigEndian(); int structBitfieldWrongOrder(); +int structMembersWrongOrder(); int main(int argc, char *argv[]) { @@ -79,6 +80,7 @@ int main(int argc, char *argv[]) if (structSizesIncorrect(factoryDescriptorStruct, factoryGbeStruct8k)) return 1; if (systemIsBigEndian()) return 1; if (structBitfieldWrongOrder()) return 1; + if (structMembersWrongOrder()) return 1; // ----------------------------------------------------------------------------------------------- @@ -295,6 +297,61 @@ int systemIsBigEndian() { return 0; } +// fail if members are presented in the wrong order +int structMembersWrongOrder() { + struct DESCRIPTORREGIONRECORD descriptorDummy; + + // 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 + + unsigned char *meVsccTablePtr = (unsigned char*)&descriptorDummy.meVsccTable; + + 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: "); + int i; + for (i = 0; i < 28; i++) { + printf("%02x ", *(meVsccTablePtr + i)); + } + printf("\n"); + + 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("Incorrect order.\n"); + return 1; + } + printf("Correct order.\n"); + return 0; +} + // fail if bit fields are presented in the wrong order int structBitfieldWrongOrder() { struct DESCRIPTORREGIONRECORD descriptorDummy; @@ -316,12 +373,12 @@ int structBitfieldWrongOrder() { unsigned char *flMap0Ptr = (unsigned char*)&descriptorDummy.flMaps.flMap0; - printf("Bitfield order check (descriptorDummy.flMaps.flMaps0):"); + printf("\nBitfield order check (descriptorDummy.flMaps.flMaps0) with junk/dummy data:"); printf("\nShould be: a2 e2 d2 e5 "); printf("\nAnd it is: "); int i; for (i = 0; i < 4; i++) { - printf("%x ", *(flMap0Ptr + i)); + printf("%02x ", *(flMap0Ptr + i)); } printf("\n"); |