qemu-target-signal-socket.h

/*
 * This file is part of libqbox
 * Copyright (c) 2022-2023 Qualcomm Innovation Center, Inc. All Rights Reserved.
 * Author: GreenSocs 2021
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
 
#ifndef _LIBQBOX_PORTS_TARGET_SIGNAL_SOCKET_H
#define _LIBQBOX_PORTS_TARGET_SIGNAL_SOCKET_H
 
#include <functional>
 
#include <libqemu-cxx/libqemu-cxx.h>
 
#include <ports/target-signal-socket.h>
 
class QemuTargetSignalSocket : public TargetSignalSocket<bool>
{
protected:
    qemu::Gpio m_gpio_in;
 
    void value_changed_cb(const bool& val) { m_gpio_in.set(val); }
 
    void init_with_gpio(qemu::Gpio gpio)
    {
        using namespace std::placeholders;
 
        m_gpio_in = gpio;
 
        auto cb = std::bind(&QemuTargetSignalSocket::value_changed_cb, this, _1);
        register_value_changed_cb(cb);
    }
 
public:
    QemuTargetSignalSocket(const char* name): TargetSignalSocket(name) {}
 
    ~QemuTargetSignalSocket() { register_value_changed_cb(nullptr); }
 
    void init(qemu::Device dev, int gpio_idx)
    {
        qemu::Gpio gpio(dev.get_gpio_in(gpio_idx));
        init_with_gpio(gpio);
    }
 
    void init_named(qemu::Device dev, const char* gpio_name, int gpio_idx)
    {
        qemu::Gpio gpio(dev.get_gpio_in_named(gpio_name, gpio_idx));
        init_with_gpio(gpio);
    }
 
    qemu::Gpio get_gpio() { return m_gpio_in; }
 
    void notify() { m_proxy.notify(); }
};
 
#endif