genode/repos/base/include/rom_session/connection.h
2015-03-04 17:32:20 +01:00

61 lines
1.4 KiB
C++

/*
* \brief Connection to ROM file service
* \author Norman Feske
* \date 2008-08-22
*/
/*
* Copyright (C) 2008-2013 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 _INCLUDE__ROM_SESSION__CONNECTION_H_
#define _INCLUDE__ROM_SESSION__CONNECTION_H_
#include <rom_session/client.h>
#include <base/connection.h>
#include <base/printf.h>
namespace Genode {
class Rom_connection : public Connection<Rom_session>,
public Rom_session_client
{
public:
class Rom_connection_failed : public Parent::Exception { };
private:
Rom_session_capability _create_session(const char *module_name, const char *label)
{
try {
return session("ram_quota=4K, filename=\"%s\", label=\"%s\"",
module_name, label ? label: module_name); }
catch (...) {
PERR("Could not open ROM session for module \"%s\"", module_name);
throw Rom_connection_failed();
}
}
public:
/**
* Constructor
*
* \param filename name of ROM file
* \param label initial session label
*
* \throw Rom_connection_failed
*/
Rom_connection(const char *filename, const char *label = 0) :
Connection<Rom_session>(_create_session(filename, label)),
Rom_session_client(cap())
{ }
};
}
#endif /* _INCLUDE__ROM_SESSION__CONNECTION_H_ */