1f0f95574SLawrence Tang /** 2f0f95574SLawrence Tang * Describes functions for parsing JSON IR CPER data into binary CPER format. 3f0f95574SLawrence Tang * 4f0f95574SLawrence Tang * Author: Lawrence.Tang@arm.com 5f0f95574SLawrence Tang **/ 6f0f95574SLawrence Tang 7f0f95574SLawrence Tang #include <stdio.h> 8f0f95574SLawrence Tang #include "json.h" 9*b44314c7SLawrence Tang #include "edk/Cper.h" 10f0f95574SLawrence Tang #include "cper-parse.h" 11*b44314c7SLawrence Tang #include "cper-utils.h" 12*b44314c7SLawrence Tang 13*b44314c7SLawrence Tang //Private pre-declarations. 14*b44314c7SLawrence Tang void ir_header_to_cper(json_object* header_ir, EFI_COMMON_ERROR_RECORD_HEADER* header); 15f0f95574SLawrence Tang 16f0f95574SLawrence Tang //Converts the given JSON IR CPER representation into CPER binary format, piped to the provided file stream. 17*b44314c7SLawrence Tang //This function performs no validation of the IR against the CPER-JSON specification. For this, call 18*b44314c7SLawrence Tang //validate_schema() from json-schema.h before attempting to call this function. 19f0f95574SLawrence Tang void ir_to_cper(json_object* ir, FILE* out) 20f0f95574SLawrence Tang { 21*b44314c7SLawrence Tang //Create the CPER header. 22*b44314c7SLawrence Tang EFI_COMMON_ERROR_RECORD_HEADER* header = (EFI_COMMON_ERROR_RECORD_HEADER*)calloc(1, sizeof(EFI_COMMON_ERROR_RECORD_HEADER)); 23*b44314c7SLawrence Tang ir_header_to_cper(json_object_object_get(ir, "header"), header); 24*b44314c7SLawrence Tang fwrite(header, sizeof(EFI_COMMON_ERROR_RECORD_HEADER), 1, out); 25*b44314c7SLawrence Tang 26f0f95574SLawrence Tang //... 27*b44314c7SLawrence Tang 28*b44314c7SLawrence Tang //Free all resources. 29*b44314c7SLawrence Tang fflush(out); 30*b44314c7SLawrence Tang free(header); 31*b44314c7SLawrence Tang } 32*b44314c7SLawrence Tang 33*b44314c7SLawrence Tang //Converts a CPER-JSON IR header to a CPER header structure. 34*b44314c7SLawrence Tang void ir_header_to_cper(json_object* header_ir, EFI_COMMON_ERROR_RECORD_HEADER* header) 35*b44314c7SLawrence Tang { 36*b44314c7SLawrence Tang header->SignatureStart = 0x52455043; //CPER 37*b44314c7SLawrence Tang printf("beginning write.\n"); 38*b44314c7SLawrence Tang 39*b44314c7SLawrence Tang //Revision. 40*b44314c7SLawrence Tang json_object* revision = json_object_object_get(header_ir, "revision"); 41*b44314c7SLawrence Tang int minor = json_object_get_int(json_object_object_get(revision, "minor")); 42*b44314c7SLawrence Tang int major = json_object_get_int(json_object_object_get(revision, "major")); 43*b44314c7SLawrence Tang header->Revision = minor + (major << 8); 44*b44314c7SLawrence Tang 45*b44314c7SLawrence Tang header->SignatureEnd = 0xFFFFFFFF; 46*b44314c7SLawrence Tang 47*b44314c7SLawrence Tang //Section count. 48*b44314c7SLawrence Tang int section_count = json_object_get_int(json_object_object_get(header_ir, "sectionCount")); 49*b44314c7SLawrence Tang header->SectionCount = (UINT16)section_count; 50*b44314c7SLawrence Tang 51*b44314c7SLawrence Tang //Error severity. 52*b44314c7SLawrence Tang json_object* severity = json_object_object_get(header_ir, "severity"); 53*b44314c7SLawrence Tang header->ErrorSeverity = (UINT32)json_object_get_uint64(json_object_object_get(severity, "code")); 54*b44314c7SLawrence Tang 55*b44314c7SLawrence Tang //Validation bits. 56*b44314c7SLawrence Tang header->ValidationBits = ir_to_bitfield(json_object_object_get(header_ir, "validationBits"), 57*b44314c7SLawrence Tang 3, CPER_HEADER_VALID_BITFIELD_NAMES); 58*b44314c7SLawrence Tang 59*b44314c7SLawrence Tang //Record length. 60*b44314c7SLawrence Tang header->RecordLength = (UINT32)json_object_get_uint64(json_object_object_get(header_ir, "recordLength")); 61*b44314c7SLawrence Tang 62*b44314c7SLawrence Tang //Timestamp, if present. 63*b44314c7SLawrence Tang printf("timestamp write.\n"); 64*b44314c7SLawrence Tang json_object* timestamp = json_object_object_get(header_ir, "timestamp"); 65*b44314c7SLawrence Tang if (timestamp != NULL) 66*b44314c7SLawrence Tang { 67*b44314c7SLawrence Tang string_to_timestamp(&header->TimeStamp, json_object_get_string(timestamp)); 68*b44314c7SLawrence Tang header->TimeStamp.Flag = json_object_get_boolean(json_object_object_get(header_ir, "timestampIsPrecise")); 69*b44314c7SLawrence Tang } 70*b44314c7SLawrence Tang 71*b44314c7SLawrence Tang //Various GUIDs. 72*b44314c7SLawrence Tang printf("guid write.\n"); 73*b44314c7SLawrence Tang json_object* platform_id = json_object_object_get(header_ir, "platformID"); 74*b44314c7SLawrence Tang json_object* partition_id = json_object_object_get(header_ir, "partitionID"); 75*b44314c7SLawrence Tang if (platform_id != NULL) 76*b44314c7SLawrence Tang string_to_guid(&header->PlatformID, json_object_get_string(platform_id)); 77*b44314c7SLawrence Tang if (partition_id != NULL) 78*b44314c7SLawrence Tang string_to_guid(&header->PartitionID, json_object_get_string(partition_id)); 79*b44314c7SLawrence Tang string_to_guid(&header->CreatorID, json_object_get_string(json_object_object_get(header_ir, "creatorID"))); 80*b44314c7SLawrence Tang 81*b44314c7SLawrence Tang //Notification type. 82*b44314c7SLawrence Tang printf("notif type write.\n"); 83*b44314c7SLawrence Tang json_object* notification_type = json_object_object_get(header_ir, "notificationType"); 84*b44314c7SLawrence Tang string_to_guid(&header->NotificationType, json_object_get_string(json_object_object_get(notification_type, "guid"))); 85*b44314c7SLawrence Tang 86*b44314c7SLawrence Tang //Record ID, persistence info. 87*b44314c7SLawrence Tang header->RecordID = json_object_get_uint64(json_object_object_get(header_ir, "recordID")); 88*b44314c7SLawrence Tang header->PersistenceInfo = json_object_get_uint64(json_object_object_get(header_ir, "persistenceInfo")); 89*b44314c7SLawrence Tang 90*b44314c7SLawrence Tang //Flags. 91*b44314c7SLawrence Tang printf("flag write.\n"); 92*b44314c7SLawrence Tang json_object* flags = json_object_object_get(header_ir, "flags"); 93*b44314c7SLawrence Tang header->Flags = (UINT32)json_object_get_uint64(json_object_object_get(flags, "value")); 94f0f95574SLawrence Tang }