1de9707f9SLawrence Tang /** 2efe17e2cSLawrence Tang * Functions for generating pseudo-random CPER platform memory 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 platform memory error section, saving the resulting address to the given 13de9707f9SLawrence Tang //location. Returns the size of the newly created section. 14de9707f9SLawrence Tang size_t generate_section_memory(void **location) 15de9707f9SLawrence Tang { 16de9707f9SLawrence Tang //Create random bytes. 17de9707f9SLawrence Tang int size = 80; 18de9707f9SLawrence Tang UINT8 *bytes = generate_random_bytes(size); 19de9707f9SLawrence Tang 20de9707f9SLawrence Tang //Set reserved areas to zero. 21de9707f9SLawrence Tang UINT64 *validation = (UINT64 *)bytes; 22de9707f9SLawrence Tang *validation &= 0x2FFFFF; //Validation 22-63 23*f8fc7052SJohn Chung *(bytes + 73) &= ~0x1C; //Extended bits 2-4 24de9707f9SLawrence Tang 25de9707f9SLawrence Tang //Fix values that could be above range. 26de9707f9SLawrence Tang *(bytes + 72) = rand() % 16; //Memory error type 27de9707f9SLawrence Tang 28de9707f9SLawrence Tang //Fix error status. 29de9707f9SLawrence Tang create_valid_error_section(bytes + 8); 30de9707f9SLawrence Tang 31de9707f9SLawrence Tang //Set return values, exit. 32de9707f9SLawrence Tang *location = bytes; 33de9707f9SLawrence Tang return size; 34de9707f9SLawrence Tang } 35de9707f9SLawrence Tang 36efe17e2cSLawrence Tang //Generates a single pseudo-random memory 2 error section, saving the resulting address to the given 37de9707f9SLawrence Tang //location. Returns the size of the newly created section. 38de9707f9SLawrence Tang size_t generate_section_memory2(void **location) 39de9707f9SLawrence Tang { 40de9707f9SLawrence Tang //Create random bytes. 41de9707f9SLawrence Tang int size = 96; 42de9707f9SLawrence Tang UINT8 *bytes = generate_random_bytes(size); 43de9707f9SLawrence Tang 44de9707f9SLawrence Tang //Set reserved areas to zero. 45de9707f9SLawrence Tang UINT64 *validation = (UINT64 *)bytes; 46de9707f9SLawrence Tang *validation &= 0x2FFFFF; //Validation 22-63 47de9707f9SLawrence Tang *(bytes + 63) = 0; //Reserved byte 63 48de9707f9SLawrence Tang 49de9707f9SLawrence Tang //Fix values that could be above range. 50de9707f9SLawrence Tang *(bytes + 61) = rand() % 16; //Memory error type 51de9707f9SLawrence Tang *(bytes + 62) = rand() % 2; //Status 52de9707f9SLawrence Tang 53de9707f9SLawrence Tang //Fix error status. 54de9707f9SLawrence Tang create_valid_error_section(bytes + 8); 55de9707f9SLawrence Tang 56de9707f9SLawrence Tang //Set return values, exit. 57de9707f9SLawrence Tang *location = bytes; 58de9707f9SLawrence Tang return size; 59de9707f9SLawrence Tang } 60