///////////////////////////////////////////////////////////////////////
// time.c
//
// Written: Jaocb Pease jacob.pease@okstate.edu 7/22/2024
//
// Purpose: Gets and prints the current time.
//
// 
//
// A component of the Wally configurable RISC-V project.
// 
// Copyright (C) 2021-23 Harvey Mudd College & Oklahoma State University
//
// SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
//
// Licensed under the Solderpad Hardware License v 2.1 (the
// “License”); you may not use this file except in compliance with the
// License, or, at your option, the Apache License version 2.0. You
// may obtain a copy of the License at
//
// https://solderpad.org/licenses/SHL-2.1/
//
// Unless required by applicable law or agreed to in writing, any work
// distributed under the License is distributed on an “AS IS” BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
// implied. See the License for the specific language governing
// permissions and limitations under the License.
///////////////////////////////////////////////////////////////////////

#include "time.h"
#include "boot.h"
#include "riscv.h"
#include "uart.h"

float getTime() {
  set_status_fs();
  float numCycles = (float)read_mcycle();
  float ret = numCycles/SYSTEMCLOCK;
  // clear_status_fs();
  return ret;
}

void print_time() {
  print_uart("[");
  set_status_fs();
  print_uart_float(getTime(),5);
  clear_status_fs();
  print_uart("] ");
}
