}
			return nil, dmTime, errUnsupportedDisk
		}
		return nil, dmTime, err
	}
	defer f.Close()

	// Get size for precise allocation.
	stat, err := f.Stat()
	if err != nil {
		buf, err = io.ReadAll(f)
		return buf, dmTime, osErrToFileErr(err)
	}
	if stat.IsDir() {
		return nil, dmTime, errFileNotFound
	}

	// Read into appropriate buffer.

	CSRRW	X10, CYCLE, X5				// f31205c0
	CSRRW	$2, TIME, X5				// f35211c0
	CSRRWI	$2, TIME, X5				// f35211c0

	// 8.1: Base Counters and Timers (Zicntr)
	RDCYCLE		X5				// f32200c0
	RDTIME		X5				// f32210c0
	RDINSTRET	X5				// f32220c0

	// 12.3: Integer Conditional Operations (Zicond)
	CZEROEQZ	X5, X6, X7			// b353530e
	CZEROEQZ	X5, X7				// b3d3530e
	CZERONEZ	X5, X6, X7			// b373530e