#include #include #include void pmm_randomise_memory(void) { print("pmm: Randomising memory contents..."); for (size_t i = 0; i < memmap_entries; i++) { if (memmap[i].type != MEMMAP_USABLE) continue; uint8_t *ptr = (void *)(uintptr_t)memmap[i].base; size_t len = memmap[i].length; for (size_t j = 0;;) { uint32_t random = rand32(); uint8_t *rnd_data = (void *)&random; if (j >= len) break; ptr[j++] = rnd_data[0]; if (j >= len) break; ptr[j++] = rnd_data[1]; if (j >= len) break; ptr[j++] = rnd_data[2]; if (j >= len) break; ptr[j++] = rnd_data[3]; } } print("\n"); }