1de9707f9SLawrence Tang /**
2efe17e2cSLawrence Tang  * Functions for generating pseudo-random CPER firmware error sections.
3de9707f9SLawrence Tang  *
4de9707f9SLawrence Tang  * Author: Lawrence.Tang@arm.com
5de9707f9SLawrence Tang  **/
6de9707f9SLawrence Tang 
7de9707f9SLawrence Tang #include <stdlib.h>
8de9707f9SLawrence Tang #include "../../edk/BaseTypes.h"
9de9707f9SLawrence Tang #include "../gen-utils.h"
108f977457SLawrence Tang #include "gen-section.h"
11de9707f9SLawrence Tang 
12efe17e2cSLawrence Tang //Generates a single pseudo-random firmware error section, saving the resulting address to the given
13de9707f9SLawrence Tang //location. Returns the size of the newly created section.
generate_section_firmware(void ** location)14de9707f9SLawrence Tang size_t generate_section_firmware(void **location)
15de9707f9SLawrence Tang {
16de9707f9SLawrence Tang 	//Create random bytes.
17de9707f9SLawrence Tang 	int size = 32;
18de9707f9SLawrence Tang 	UINT8 *bytes = generate_random_bytes(size);
19de9707f9SLawrence Tang 
20de9707f9SLawrence Tang 	//Set reserved areas to zero.
21*f8fc7052SJohn Chung 	for (int i = 0; i < 6; i++) {
220a4b3f2dSLawrence Tang 		*(bytes + 2 + i) = 0; //Reserved bytes 2-7.
23*f8fc7052SJohn Chung 	}
24de9707f9SLawrence Tang 
25de9707f9SLawrence Tang 	//Set expected values.
26de9707f9SLawrence Tang 	*(bytes + 1) = 2;    //Revision, referenced version of spec is 2.
27de9707f9SLawrence Tang 	UINT64 *record_id = (UINT64 *)(bytes + 8);
28de9707f9SLawrence Tang 	*record_id = 0;	     //Record ID, should be forced to NULL.
29de9707f9SLawrence Tang 	*bytes = rand() % 3; //Record type.
30de9707f9SLawrence Tang 
31de9707f9SLawrence Tang 	//Set return values, exit.
32de9707f9SLawrence Tang 	*location = bytes;
33de9707f9SLawrence Tang 	return size;
34de9707f9SLawrence Tang }
35