genode/repos/base/src/core/include/io_mem_root.h

64 lines
1.7 KiB
C++

/*
* \brief IO_MEM root interface
* \author Christian Helmuth
* \date 2006-08-01
*/
/*
* Copyright (C) 2006-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _CORE__INCLUDE__IO_MEM_ROOT_H_
#define _CORE__INCLUDE__IO_MEM_ROOT_H_
#include <root/component.h>
#include "io_mem_session_component.h"
namespace Genode {
class Io_mem_root : public Root_component<Io_mem_session_component>
{
private:
Range_allocator &_io_mem_alloc; /* MMIO region allocator */
Range_allocator &_ram_alloc; /* RAM allocator */
Rpc_entrypoint &_ds_ep; /* entry point for managing io_mem dataspaces */
protected:
Io_mem_session_component *_create_session(const char *args) override
{
return new (md_alloc())
Io_mem_session_component(_io_mem_alloc, _ram_alloc,
_ds_ep, args);
}
public:
/**
* Constructor
*
* \param session_ep entry point for managing io_mem session objects
* \param ds_ep entry point for managing dataspaces
* \param io_mem_alloc platform IO_MEM allocator
* \param ram_alloc platform RAM allocator
* \param md_alloc meta-data allocator to be used by root component
*/
Io_mem_root(Rpc_entrypoint &session_ep,
Rpc_entrypoint &ds_ep,
Range_allocator &io_mem_alloc,
Range_allocator &ram_alloc,
Allocator &md_alloc)
:
Root_component<Io_mem_session_component>(&session_ep, &md_alloc),
_io_mem_alloc(io_mem_alloc), _ram_alloc(ram_alloc), _ds_ep(ds_ep) { }
};
}
#endif /* _CORE__INCLUDE__IO_MEM_ROOT_H_ */