45 lines
1.2 KiB
C++
45 lines
1.2 KiB
C++
// SPDX-FileCopyrightText: 2024 Filip Leonarski, Paul Scherrer Institute <filip.leonarski@psi.ch>
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// SPDX-License-Identifier: CERN-OHL-S-2.0
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#include "hls_jfjoch.h"
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void timer_host(STREAM_512 &data_in, STREAM_512 &data_out,
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volatile uint64_t &stalls,
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volatile uint64_t &beats) {
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#pragma HLS INTERFACE register both axis port=data_in
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#pragma HLS INTERFACE register both axis port=data_out
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#pragma HLS INTERFACE register ap_vld port=stalls
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#pragma HLS INTERFACE register ap_vld port=beats
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#pragma HLS INTERFACE ap_ctrl_none port=return
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packet_512_t packet_in;
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{
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#pragma HLS PROTOCOL fixed
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data_in >> packet_in;
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ap_wait();
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data_out << packet_in;
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ap_wait();
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}
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beats = 0;
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uint64_t stalls_internal = 0;
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stalls = 0;
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uint64_t beats_internal = 0;
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data_in >> packet_in;
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while (!packet_in.user) {
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#pragma HLS PIPELINE II=1
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if (data_out.full()) {
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if (stalls_internal < UINT64_MAX)
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stalls_internal++;
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} else {
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data_out << packet_in;
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data_in >> packet_in;
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beats_internal++;
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}
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beats = beats_internal;
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stalls = stalls_internal;
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}
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data_out << packet_in;
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}
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