sync_decls.h

// Copyright 2023 ETH Zurich and University of Bologna.
// Licensed under the Apache License, Version 2.0, see LICENSE for details.
// SPDX-License-Identifier: Apache-2.0
 
#pragma once
 
#include <stdint.h>
 
typedef struct {
    uint32_t volatile cnt;
    uint32_t volatile iteration;
} snrt_barrier_t;
 
typedef struct {
    volatile uint32_t *barrier_ptr;
    uint32_t size;
    uint32_t is_participant;
} snrt_comm_info_t;
 
typedef snrt_comm_info_t *snrt_comm_t;
 
extern volatile uint32_t _snrt_mutex;
extern volatile snrt_barrier_t _snrt_barrier;
extern volatile uint32_t _reduction_result;
 
inline volatile uint32_t *snrt_mutex();
 
inline void snrt_mutex_acquire(volatile uint32_t *pmtx);
 
inline void snrt_mutex_ttas_acquire(volatile uint32_t *pmtx);
 
inline void snrt_mutex_release(volatile uint32_t *pmtx);
 
inline void snrt_cluster_hw_barrier();
 
inline void snrt_global_barrier(snrt_comm_t comm = NULL);
 
inline uint32_t snrt_global_all_to_all_reduction(uint32_t value);
 
inline void snrt_wait_writeback(uint32_t val);
 
inline void snrt_enable_multicast(uint32_t mask);
 
inline void snrt_disable_multicast();