1*de9707f9SLawrence Tang /** 2*de9707f9SLawrence Tang * Functions for generating psuedo-random CPER platform memory 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 platform memory 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_memory(void** location) 15*de9707f9SLawrence Tang { 16*de9707f9SLawrence Tang //Create random bytes. 17*de9707f9SLawrence Tang int size = 80; 18*de9707f9SLawrence Tang UINT8* bytes = generate_random_bytes(size); 19*de9707f9SLawrence Tang 20*de9707f9SLawrence Tang //Set reserved areas to zero. 21*de9707f9SLawrence Tang UINT64* validation = (UINT64*)bytes; 22*de9707f9SLawrence Tang *validation &= 0x2FFFFF; //Validation 22-63 23*de9707f9SLawrence Tang *(bytes + 73) &= ~0b11100; //Extended bits 2-4 24*de9707f9SLawrence Tang 25*de9707f9SLawrence Tang //Fix values that could be above range. 26*de9707f9SLawrence Tang *(bytes + 72) = rand() % 16; //Memory error type 27*de9707f9SLawrence Tang 28*de9707f9SLawrence Tang //Fix error status. 29*de9707f9SLawrence Tang create_valid_error_section(bytes + 8); 30*de9707f9SLawrence Tang 31*de9707f9SLawrence Tang //Set return values, exit. 32*de9707f9SLawrence Tang *location = bytes; 33*de9707f9SLawrence Tang return size; 34*de9707f9SLawrence Tang } 35*de9707f9SLawrence Tang 36*de9707f9SLawrence Tang //Generates a single psuedo-random memory 2 error section, saving the resulting address to the given 37*de9707f9SLawrence Tang //location. Returns the size of the newly created section. 38*de9707f9SLawrence Tang size_t generate_section_memory2(void** location) 39*de9707f9SLawrence Tang { 40*de9707f9SLawrence Tang //Create random bytes. 41*de9707f9SLawrence Tang int size = 96; 42*de9707f9SLawrence Tang UINT8* bytes = generate_random_bytes(size); 43*de9707f9SLawrence Tang 44*de9707f9SLawrence Tang //Set reserved areas to zero. 45*de9707f9SLawrence Tang UINT64* validation = (UINT64*)bytes; 46*de9707f9SLawrence Tang *validation &= 0x2FFFFF; //Validation 22-63 47*de9707f9SLawrence Tang *(bytes + 63) = 0; //Reserved byte 63 48*de9707f9SLawrence Tang 49*de9707f9SLawrence Tang //Fix values that could be above range. 50*de9707f9SLawrence Tang *(bytes + 61) = rand() % 16; //Memory error type 51*de9707f9SLawrence Tang *(bytes + 62) = rand() % 2; //Status 52*de9707f9SLawrence Tang 53*de9707f9SLawrence Tang //Fix error status. 54*de9707f9SLawrence Tang create_valid_error_section(bytes + 8); 55*de9707f9SLawrence Tang 56*de9707f9SLawrence Tang //Set return values, exit. 57*de9707f9SLawrence Tang *location = bytes; 58*de9707f9SLawrence Tang return size; 59*de9707f9SLawrence Tang }