1 /** 2 * Describes functions for converting firmware CPER sections from binary and JSON format 3 * into an intermediate format. 4 * 5 * Author: Lawrence.Tang@arm.com 6 **/ 7 #include <stdio.h> 8 #include <json.h> 9 #include "../edk/Cper.h" 10 #include "../cper-utils.h" 11 #include "cper-section-firmware.h" 12 13 //Converts a single firmware CPER section into JSON IR. 14 json_object *cper_section_firmware_to_ir(void *section) 15 { 16 EFI_FIRMWARE_ERROR_DATA *firmware_error = 17 (EFI_FIRMWARE_ERROR_DATA *)section; 18 json_object *section_ir = json_object_new_object(); 19 20 //Record type. 21 json_object *record_type = integer_to_readable_pair( 22 firmware_error->ErrorType, 3, FIRMWARE_ERROR_RECORD_TYPES_KEYS, 23 FIRMWARE_ERROR_RECORD_TYPES_VALUES, "Unknown (Reserved)"); 24 json_object_object_add(section_ir, "errorRecordType", record_type); 25 26 //Revision, record identifier. 27 json_object_object_add(section_ir, "revision", 28 json_object_new_int(firmware_error->Revision)); 29 json_object_object_add( 30 section_ir, "recordID", 31 json_object_new_uint64(firmware_error->RecordId)); 32 33 //Record GUID. 34 char record_id_guid[GUID_STRING_LENGTH]; 35 guid_to_string(record_id_guid, &firmware_error->RecordIdGuid); 36 json_object_object_add(section_ir, "recordIDGUID", 37 json_object_new_string(record_id_guid)); 38 39 return section_ir; 40 } 41 42 //Converts a single firmware CPER-JSON section into CPER binary, outputting to the given stream. 43 void ir_section_firmware_to_cper(json_object *section, FILE *out) 44 { 45 EFI_FIRMWARE_ERROR_DATA *section_cper = 46 (EFI_FIRMWARE_ERROR_DATA *)calloc( 47 1, sizeof(EFI_FIRMWARE_ERROR_DATA)); 48 49 //Record fields. 50 section_cper->ErrorType = readable_pair_to_integer( 51 json_object_object_get(section, "errorRecordType")); 52 section_cper->Revision = json_object_get_int( 53 json_object_object_get(section, "revision")); 54 section_cper->RecordId = json_object_get_uint64( 55 json_object_object_get(section, "recordID")); 56 string_to_guid(§ion_cper->RecordIdGuid, 57 json_object_get_string(json_object_object_get( 58 section, "recordIDGUID"))); 59 60 //Write to stream, free resources. 61 fwrite(section_cper, sizeof(EFI_FIRMWARE_ERROR_DATA), 1, out); 62 fflush(out); 63 free(section_cper); 64 } 65