HelenOS sources

MPU_CM_SIZE        74 uspace/drv/platform/amdm37x/amdm37x.c 	    MPU_CM_SIZE, (void **)&device->cm.mpu);
MPU_CM_SIZE       107 uspace/drv/platform/amdm37x/amdm37x.c 		pio_trace_enable(device->cm.mpu, MPU_CM_SIZE, log_message, (void *)MPU_CM_BASE_ADDRESS);
HelenOS homepage, sources at GitHub