| Lawrence Tang | 02c801a | 2022-07-18 14:43:52 +0100 | [diff] [blame] | 1 | /** |
| 2 | * Functions for generating psuedo-random CPER generic processor sections. |
| 3 | * |
| 4 | * Author: Lawrence.Tang@arm.com |
| 5 | **/ |
| 6 | |
| 7 | #include <stdlib.h> |
| 8 | #include "../../edk/BaseTypes.h" |
| 9 | #include "../gen-utils.h" |
| Lawrence Tang | 67cbed6 | 2022-07-18 16:44:51 +0100 | [diff] [blame^] | 10 | #include "gen-sections.h" |
| Lawrence Tang | 02c801a | 2022-07-18 14:43:52 +0100 | [diff] [blame] | 11 | |
| 12 | //Generates a single psuedo-random generic processor section, saving the resulting address to the given |
| 13 | //location. Returns the size of the newly created section. |
| 14 | size_t generate_section_generic(void** location) |
| 15 | { |
| 16 | //Create random bytes. |
| 17 | size_t size = generate_random_section(location, 192); |
| 18 | |
| 19 | //Set reserved locations to zero. |
| 20 | UINT8* start_byte = (UINT8*)*location; |
| 21 | *((UINT64*)start_byte) &= 0xFFF; |
| 22 | *(start_byte + 12) &= 0b111; |
| 23 | *((UINT16*)(start_byte + 14)) = 0x0; |
| 24 | |
| 25 | return size; |
| 26 | } |