file->buffer = prom_claim((void *)LOAD_BUFFER_POS, LOAD_BUFFER_SIZE, 0);
if (file->buffer == (void *)-1) {
prom_printf("Can't claim memory for TFTP download\n");
file->buffer = prom_claim((void *)LOAD_BUFFER_POS, LOAD_BUFFER_SIZE, 0);
if (file->buffer == (void *)-1) {
prom_printf("Can't claim memory for TFTP download\n");