72 lines
1.6 KiB
C++
72 lines
1.6 KiB
C++
/*
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* \brief IO_PORT root interface
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* \author Christian Helmuth
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* \date 2007-04-17
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*/
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/*
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* Copyright (C) 2007-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _CORE__INCLUDE__IO_PORT_ROOT_H_
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#define _CORE__INCLUDE__IO_PORT_ROOT_H_
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#include <root/component.h>
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#include "io_port_session_component.h"
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namespace Genode {
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struct Io_port_handler
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{
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private:
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enum { STACK_SIZE = 4096 };
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Rpc_entrypoint _ep;
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public:
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Io_port_handler(Pd_session &pd_session) :
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_ep(&pd_session, STACK_SIZE, "ioport")
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{ }
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Rpc_entrypoint &entrypoint() { return _ep; }
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};
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class Io_port_root : private Io_port_handler,
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public Root_component<Io_port_session_component>
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{
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private:
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Range_allocator &_io_port_alloc; /* I/O port allocator */
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protected:
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Io_port_session_component *_create_session(const char *args) override {
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return new (md_alloc()) Io_port_session_component(_io_port_alloc, args); }
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public:
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/**
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* Constructor
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*
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* \param cap_session capability allocator
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* \param io_port_alloc platform IO_PORT allocator
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* \param md_alloc meta-data allocator to be used by root component
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*/
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Io_port_root(Pd_session &pd_session,
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Range_allocator &io_port_alloc,
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Allocator &md_alloc)
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:
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Io_port_handler(pd_session),
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Root_component<Io_port_session_component>(&entrypoint(), &md_alloc),
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_io_port_alloc(io_port_alloc) { }
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};
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}
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#endif /* _CORE__INCLUDE__IO_PORT_ROOT_H_ */
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