simulation.h

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/*
 * Copyright (c) 2014 The University of Manchester
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     https://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * 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.
 */
 
#ifndef _SIMULATION_H_
#define _SIMULATION_H_
 
#include <stdbool.h>
#include "common-typedefs.h"
#include <spin1_api.h>
 
#define MAX_DMA_CALLBACK_TAG 16
 
struct simulation_config {
    uint32_t application_magic_number;
    uint32_t timer_period;
    uint32_t control_sdp_port;
    uint32_t num_timing_detail_words;
};
 
struct simulation_provenance {
    uint32_t transmission_event_overflow;
    uint32_t callback_queue_overloads;
    uint32_t dma_queue_overloads;
    uint32_t user_queue_overloads;
    uint32_t timer_tic_has_overrun;
    uint32_t max_num_timer_tic_overrun;
    uint32_t provenance_data_elements[];
};
 
typedef enum simulation_commands {
    CMD_STOP = 6,
    CMD_RUNTIME = 7,
    PROVENANCE_DATA_GATHERING = 8,
    IOBUF_CLEAR = 9
} simulation_commands;
 
typedef void (*prov_callback_t)(address_t);
 
typedef void (*resume_callback_t)(void);
 
typedef void (*exit_callback_t)(void);
 
typedef resume_callback_t start_callback_t;
 
bool simulation_initialise(
        address_t address, uint32_t expected_application_magic_number,
        uint32_t* timer_period, uint32_t *simulation_ticks_pointer,
        uint32_t *infinite_run_pointer, uint32_t *time_pointer,
        int sdp_packet_callback_priority, int dma_transfer_complete_priority);
 
static inline bool simulation_steps_initialise(
        address_t address, uint32_t expected_application_magic_number,
        uint32_t *simulation_steps_pointer, uint32_t *infinite_steps_pointer,
        uint32_t *step_pointer, int sdp_packet_callback_priority,
        int dma_transfer_complete_priority) {
    // Use the normal simulation initialise, passing in matching parameters
    uint32_t unused_timer_period;
    return simulation_initialise(address, expected_application_magic_number,
        &unused_timer_period, simulation_steps_pointer, infinite_steps_pointer,
        step_pointer, sdp_packet_callback_priority,
        dma_transfer_complete_priority);
}
 
void simulation_set_provenance_data_address(address_t provenance_data_address);
 
void simulation_set_provenance_function(
        prov_callback_t provenance_function, address_t provenance_data_address);
 
void simulation_set_exit_function(exit_callback_t exit_function);
 
void simulation_set_start_function(start_callback_t start_function);
 
void simulation_handle_pause_resume(resume_callback_t callback);
 
void simulation_exit(void);
 
void simulation_run(void);
 
void simulation_ready_to_read(void);
 
bool simulation_sdp_callback_on(
        uint sdp_port, callback_t sdp_callback);
 
void simulation_sdp_callback_off(uint sdp_port);
 
bool simulation_dma_transfer_done_callback_on(uint tag, callback_t callback);
 
void simulation_dma_transfer_done_callback_off(uint tag);
 
void simulation_set_uses_timer(bool sim_uses_timer);
 
void simulation_set_sync_steps(uint32_t n_steps);
 
bool simulation_is_finished(void);
 
#endif // _SIMULATION_H_