1*de9707f9SLawrence Tang /** 2*de9707f9SLawrence Tang * Functions for generating psuedo-random CPER firmware error sections. 3*de9707f9SLawrence Tang * 4*de9707f9SLawrence Tang * Author: Lawrence.Tang@arm.com 5*de9707f9SLawrence Tang **/ 6*de9707f9SLawrence Tang 7*de9707f9SLawrence Tang #include <stdlib.h> 8*de9707f9SLawrence Tang #include "../../edk/BaseTypes.h" 9*de9707f9SLawrence Tang #include "../gen-utils.h" 10*de9707f9SLawrence Tang #include "gen-sections.h" 11*de9707f9SLawrence Tang 12*de9707f9SLawrence Tang //Generates a single psuedo-random firmware error section, saving the resulting address to the given 13*de9707f9SLawrence Tang //location. Returns the size of the newly created section. 14*de9707f9SLawrence Tang size_t generate_section_firmware(void** location) 15*de9707f9SLawrence Tang { 16*de9707f9SLawrence Tang //Create random bytes. 17*de9707f9SLawrence Tang int size = 32; 18*de9707f9SLawrence Tang UINT8* bytes = generate_random_bytes(size); 19*de9707f9SLawrence Tang 20*de9707f9SLawrence Tang //Set reserved areas to zero. 21*de9707f9SLawrence Tang for (int i=0; i<7; i++) 22*de9707f9SLawrence Tang *(bytes + 2 + i) = 0; //Reserved bytes 2-9. 23*de9707f9SLawrence Tang 24*de9707f9SLawrence Tang //Set expected values. 25*de9707f9SLawrence Tang *(bytes + 1) = 2; //Revision, referenced version of spec is 2. 26*de9707f9SLawrence Tang UINT64* record_id = (UINT64*)(bytes + 8); 27*de9707f9SLawrence Tang *record_id = 0; //Record ID, should be forced to NULL. 28*de9707f9SLawrence Tang *bytes = rand() % 3; //Record type. 29*de9707f9SLawrence Tang 30*de9707f9SLawrence Tang //Set return values, exit. 31*de9707f9SLawrence Tang *location = bytes; 32*de9707f9SLawrence Tang return size; 33*de9707f9SLawrence Tang }