1 /**
2  * Describes functions for converting CCIX PER log 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 "b64.h"
10 #include "../edk/Cper.h"
11 #include "../cper-utils.h"
12 #include "cper-section-ccix-per.h"
13 
14 //Converts a single CCIX PER log CPER section into JSON IR.
15 json_object* cper_section_ccix_per_to_ir(void* section, EFI_ERROR_SECTION_DESCRIPTOR* descriptor)
16 {
17     EFI_CCIX_PER_LOG_DATA* ccix_error = (EFI_CCIX_PER_LOG_DATA*)section;
18     json_object* section_ir = json_object_new_object();
19 
20     //Length (bytes) for the entire structure.
21     json_object_object_add(section_ir, "length", json_object_new_uint64(ccix_error->Length));
22 
23     //Validation bits.
24     json_object* validation = bitfield_to_ir(ccix_error->ValidBits, 3, CCIX_PER_ERROR_VALID_BITFIELD_NAMES);
25     json_object_object_add(section_ir, "validationBits", validation);
26 
27     //CCIX source/port IDs.
28     json_object_object_add(section_ir, "ccixSourceID", json_object_new_int(ccix_error->CcixSourceId));
29     json_object_object_add(section_ir, "ccixPortID", json_object_new_int(ccix_error->CcixPortId));
30 
31     //CCIX PER Log.
32     //This is formatted as described in Section 7.3.2 of CCIX Base Specification (Rev 1.0).
33     unsigned char* cur_pos = (unsigned char*)(ccix_error + 1);
34     int remaining_length = section - (void*)cur_pos + ccix_error->Length;
35     if (remaining_length > 0)
36     {
37         char* encoded = b64_encode(cur_pos, remaining_length);
38         json_object_object_add(section_ir, "ccixPERLog", json_object_new_string(encoded));
39         free(encoded);
40     }
41 
42     return section_ir;
43 }