1 /** 2 * Functions for generating pseudo-random CPER NVIDIA error sections. 3 * 4 **/ 5 6 #include <stdlib.h> 7 #include <string.h> 8 #include <stdio.h> 9 #include "../../edk/BaseTypes.h" 10 #include "../gen-utils.h" 11 #include "gen-section.h" 12 13 //Generates a single pseudo-random NVIDIA error section, saving the resulting address to the given 14 //location. Returns the size of the newly created section. 15 size_t generate_section_nvidia(void **location) 16 { 17 const char *signatures[] = { 18 "DCC-ECC", "DCC-COH", "HSS-BUSY", "HSS-IDLE", 19 "CLink", "C2C", "C2C-IP-FAIL", "L0 RESET", 20 "L1 RESET", "L2 RESET", "PCIe", "PCIe-DPC", 21 "SOCHUB", "CCPLEXSCF", "CMET-NULL", "CMET-SHA256", 22 "CMET-FULL", "DRAM-CHANNELS", "PAGES-RETIRED", "CCPLEXGIC", 23 "MCF", "GPU-STATUS", "GPU-CONTNMT", "SMMU", 24 }; 25 26 init_random(); 27 28 //Create random bytes. 29 size_t size = sizeof(EFI_NVIDIA_ERROR_DATA); 30 UINT8 *section = generate_random_bytes(size); 31 32 //Reserved byte. 33 EFI_NVIDIA_ERROR_DATA *nvidia_error = (EFI_NVIDIA_ERROR_DATA *)section; 34 nvidia_error->Reserved = 0; 35 36 //Signature. 37 int idx_random = rand() % (sizeof(signatures) / sizeof(signatures[0])); 38 strncpy(nvidia_error->Signature, signatures[idx_random], 39 sizeof(nvidia_error->Signature) - 1); 40 nvidia_error->Signature[sizeof(nvidia_error->Signature) - 1] = '\0'; 41 42 //Set return values, exit. 43 *location = section; 44 return size; 45 } 46