diff options
Diffstat (limited to 'resources/utilities/ich9deblob/gbe/gbe.h')
| -rw-r--r-- | resources/utilities/ich9deblob/gbe/gbe.h | 9 |
1 files changed, 8 insertions, 1 deletions
diff --git a/resources/utilities/ich9deblob/gbe/gbe.h b/resources/utilities/ich9deblob/gbe/gbe.h index 17d6a93..27ad4d7 100644 --- a/resources/utilities/ich9deblob/gbe/gbe.h +++ b/resources/utilities/ich9deblob/gbe/gbe.h @@ -43,6 +43,13 @@ */ #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 @@ -59,7 +66,7 @@ struct GBEREGIONRECORD_4K { unsigned char macAddress[6]; /* 0x03 words, or 0x06 bytes */ unsigned char otherStuff[120]; /* 0x3c words, or 0x7E bytes */ - unsigned short checkSum; /* when added to the sum of all words above, this should be 0xBABA */ + unsigned short checkSum; /* when added to the sum of all words above, this should match GBECHECKSUMTOTAL */ unsigned char padding1[3968]; }; |