diff options
Diffstat (limited to 'firmware/lib/cgptlib/cgptlib_internal.c')
| -rw-r--r-- | firmware/lib/cgptlib/cgptlib_internal.c | 27 |
1 files changed, 27 insertions, 0 deletions
diff --git a/firmware/lib/cgptlib/cgptlib_internal.c b/firmware/lib/cgptlib/cgptlib_internal.c index d51ce33b..dca1ce25 100644 --- a/firmware/lib/cgptlib/cgptlib_internal.c +++ b/firmware/lib/cgptlib/cgptlib_internal.c @@ -373,6 +373,27 @@ void GetCurrentKernelUniqueGuid(GptData *gpt, void *dest) Memcpy(dest, &e->unique, sizeof(Guid)); } +void GptModified(GptData *gpt) { + GptHeader *header = (GptHeader *)gpt->primary_header; + + /* Update the CRCs */ + header->entries_crc32 = Crc32(gpt->primary_entries, + header->size_of_entry * + header->number_of_entries); + header->header_crc32 = HeaderCrc(header); + gpt->modified |= GPT_MODIFIED_HEADER1 | GPT_MODIFIED_ENTRIES1; + + /* + * Use the repair function to update the other copy of the GPT. This + * is a tad inefficient, but is much faster than the disk I/O to update + * the GPT on disk so it doesn't matter. + */ + gpt->valid_headers = MASK_PRIMARY; + gpt->valid_entries = MASK_PRIMARY; + GptRepair(gpt); +} + + const char *GptErrorText(int error_code) { switch(error_code) { @@ -412,6 +433,12 @@ const char *GptErrorText(int error_code) case GPT_ERROR_DUP_GUID: return "Duplicated GUID"; + case GPT_ERROR_INVALID_FLASH_GEOMETRY: + return "Invalid flash geometry"; + + case GPT_ERROR_NO_SUCH_ENTRY: + return "No entry found"; + default: break; }; |