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 <libcper/Cper.h> 10 #include <libcper/cper-utils.h> 11 #include <libcper/sections/cper-section-firmware.h> 12 #include <libcper/log.h> 13 14 //Converts a single firmware CPER section into JSON IR. 15 json_object *cper_section_firmware_to_ir(const UINT8 *section, UINT32 size) 16 { 17 if (size < sizeof(EFI_FIRMWARE_ERROR_DATA)) { 18 return NULL; 19 } 20 21 EFI_FIRMWARE_ERROR_DATA *firmware_error = 22 (EFI_FIRMWARE_ERROR_DATA *)section; 23 json_object *section_ir = json_object_new_object(); 24 25 //Record type. 26 json_object *record_type = integer_to_readable_pair( 27 firmware_error->ErrorType, 3, FIRMWARE_ERROR_RECORD_TYPES_KEYS, 28 FIRMWARE_ERROR_RECORD_TYPES_VALUES, "Unknown (Reserved)"); 29 json_object_object_add(section_ir, "errorRecordType", record_type); 30 31 //Revision, record identifier. 32 json_object_object_add(section_ir, "revision", 33 json_object_new_int(firmware_error->Revision)); 34 json_object_object_add( 35 section_ir, "recordID", 36 json_object_new_uint64(firmware_error->RecordId)); 37 38 //Record GUID. 39 add_guid(section_ir, "recordIDGUID", &firmware_error->RecordIdGuid); 40 41 return section_ir; 42 } 43 44 //Converts a single firmware CPER-JSON section into CPER binary, outputting to the given stream. 45 void ir_section_firmware_to_cper(json_object *section, FILE *out) 46 { 47 EFI_FIRMWARE_ERROR_DATA *section_cper = 48 (EFI_FIRMWARE_ERROR_DATA *)calloc( 49 1, sizeof(EFI_FIRMWARE_ERROR_DATA)); 50 51 //Record fields. 52 section_cper->ErrorType = readable_pair_to_integer( 53 json_object_object_get(section, "errorRecordType")); 54 section_cper->Revision = json_object_get_int( 55 json_object_object_get(section, "revision")); 56 section_cper->RecordId = json_object_get_uint64( 57 json_object_object_get(section, "recordID")); 58 string_to_guid(§ion_cper->RecordIdGuid, 59 json_object_get_string(json_object_object_get( 60 section, "recordIDGUID"))); 61 62 //Write to stream, free resources. 63 fwrite(section_cper, sizeof(EFI_FIRMWARE_ERROR_DATA), 1, out); 64 fflush(out); 65 free(section_cper); 66 } 67