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.
cper_section_firmware_to_ir(void * section)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.
ir_section_firmware_to_cper(json_object * section,FILE * out)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