time.s

.ifndef TIME_S
TIME_S:

        .include "./addresses.s"

        .equ US_PER_SECOND,     1000000

/*
 * Returns:
 *      w0: current time
 */
get_time:
        ldr     x0, =SYS_TIMER_VALUE_ADDRESS
        ldr     w0, [x0]
        ret


/*
 * Params:
 *      w0: previous_time
 * Returns:
 *      w0: elapsed_time
 *      w1: current_time
 */
get_elapsed_time:
        ldr     x1, =SYS_TIMER_VALUE_ADDRESS
        ldr     w1, [x1]
        sub     w0, w1, w0
        ret





.endif