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65 lines
1.6 KiB
Text
65 lines
1.6 KiB
Text
/** GPU Kernels.
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*
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* @file
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* @author Daniel Krebs <github@daniel-krebs.net>
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* @copyright 2017-2018, Institute for Automation of Complex Power Systems, EONERC
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* @license GNU General Public License (version 3)
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*
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* VILLASfpga
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 3 of the License, or
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* any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*********************************************************************************/
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#include <stdio.h>
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#include <villas/gpu.hpp>
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#include "kernels.hpp"
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#include "cuda_runtime.h"
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#include <cuda.h>
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namespace villas {
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namespace gpu {
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__global__ void
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kernel_mailbox(volatile uint32_t *mailbox, volatile uint32_t* counter)
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{
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printf("[gpu] hello!\n");
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printf("[gpu] mailbox: %p\n", mailbox);
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printf("[kernel] started\n");
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while(1) {
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if (*mailbox == 1) {
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*mailbox = 0;
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printf("[gpu] counter = %d\n", *counter);
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break;
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}
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}
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printf("[gpu] quit\n");
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}
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__global__ void
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kernel_memcpy(volatile uint8_t* dst, volatile uint8_t* src, size_t length)
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{
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while(length > 0) {
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*dst++ = *src++;
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length--;
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}
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}
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} // namespace villas
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} // namespace gpu
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