+ void test_memory(uint32_t * ptr) {
+
+ *ptr = 0xEEEEEEEE;
+ for (int i = 0; i < 100; i++) {
+ ptr++;
+ *ptr = 0xEEEEEEEE;
+ }
+
+}
+
+
+void * mm_alloc(size_t size) { // in bytes
+
+ if (size > 512) {
+ uart_puts("SYSERROR: WE CAN'T ALLOCATE THAT MUCH!\n");
+ return NULL;
+ }
+
+ /* check which chunk is free */
+ for (int i = 1; i < CHUNKS; i++) {
+ if (!IS_ALLOC(chunk[i])) {
+ chunk[i] = SET_SIZE(size) | SET_FLAGS(ALLOC);
+ return (void *) PADDR(i);
+ }
+ }
+
+ uart_puts("SYSERROR: OUT OF MEMORY\n");
+ return NULL;
+}
+
+void free(void *ptr) {
+
+ uint32_t index = (uint32_t) I_OFFSET(ptr) / 0x200;