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50 lines
1.4 KiB
C
50 lines
1.4 KiB
C
///////////////////////////////////////////////////////////////////////
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// time.c
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//
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// Written: Jaocb Pease jacob.pease@okstate.edu 7/22/2024
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//
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// Purpose: Gets and prints the current time.
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//
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//
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//
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// A component of the Wally configurable RISC-V project.
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//
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// Copyright (C) 2021-23 Harvey Mudd College & Oklahoma State University
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//
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// SPDX-License-Identifier: Apache-2.0 WITH SHL-2.1
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//
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// Licensed under the Solderpad Hardware License v 2.1 (the
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// “License”); you may not use this file except in compliance with the
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// License, or, at your option, the Apache License version 2.0. You
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// may obtain a copy of the License at
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//
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// https://solderpad.org/licenses/SHL-2.1/
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//
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// Unless required by applicable law or agreed to in writing, any work
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// distributed under the License is distributed on an “AS IS” BASIS,
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// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or
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// implied. See the License for the specific language governing
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// permissions and limitations under the License.
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///////////////////////////////////////////////////////////////////////
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#include "time.h"
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#include "boot.h"
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#include "riscv.h"
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#include "uart.h"
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float getTime() {
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set_status_fs();
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float numCycles = (float)read_mcycle();
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float ret = numCycles/SYSTEMCLOCK;
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// clear_status_fs();
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return ret;
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}
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void print_time() {
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print_uart("[");
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set_status_fs();
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print_uart_float(getTime(),5);
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clear_status_fs();
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print_uart("] ");
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}
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