genode/base/src/core/include/rom_session_component.h

74 lines
1.8 KiB
C++

/*
* \brief Core-specific instance of the ROM session interface
* \author Norman Feske
* \date 2006-07-06
*/
/*
* Copyright (C) 2006-2013 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _CORE__INCLUDE__ROM_SESSION_COMPONENT_H_
#define _CORE__INCLUDE__ROM_SESSION_COMPONENT_H_
#include <rom_fs.h>
#include <base/rpc_server.h>
#include <dataspace_component.h>
#include <rom_session/rom_session.h>
namespace Genode {
class Rom_session_component : public Rpc_object<Rom_session>
{
private:
Rom_module *_rom_module;
char _fname[40];
Dataspace_component _ds;
Rpc_entrypoint *_ds_ep;
Rom_dataspace_capability _ds_cap;
Rom_module * _find_rom(Rom_fs *rom_fs, const char *args)
{
/* extract filename from session arguments */
Arg_string::find_arg(args, "filename").string(_fname, sizeof(_fname), "");
/* find ROM module for file name */
return rom_fs->find(_fname);
}
public:
/**
* Constructor
*
* \param rom_fs ROM filesystem
* \param ds_ep entry point to manage the dataspace
* corresponding the rom session
* \param args session-construction arguments, in
* particular the filename
*/
Rom_session_component(Rom_fs *rom_fs,
Rpc_entrypoint *ds_ep,
const char *args);
/**
* Destructor
*/
~Rom_session_component();
/***************************
** Rom session interface **
***************************/
Rom_dataspace_capability dataspace() { return _ds_cap; }
void sigh(Signal_context_capability) { }
};
}
#endif /* _CORE__INCLUDE__ROM_SESSION_COMPONENT_H_ */