genode/repos/base/src/lib/base/component.cc
2016-11-08 15:26:32 +01:00

87 lines
1.8 KiB
C++

/*
* \brief Component bootstrap
* \author Norman Feske
* \author Christian Helmuth
* \date 2016-01-13
*/
/*
* Copyright (C) 2016 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.
*/
/* Genode includes */
#include <base/component.h>
#include <base/env.h>
/* base-internal includes */
#include <base/internal/globals.h>
namespace {
struct Env : Genode::Env
{
Genode::Entrypoint &_ep;
Env(Genode::Entrypoint &ep) : _ep(ep) { }
Genode::Parent &parent() override { return *Genode::env()->parent(); }
Genode::Ram_session &ram() override { return *Genode::env()->ram_session(); }
Genode::Cpu_session &cpu() override { return *Genode::env()->cpu_session(); }
Genode::Region_map &rm() override { return *Genode::env()->rm_session(); }
Genode::Pd_session &pd() override { return *Genode::env()->pd_session(); }
Genode::Entrypoint &ep() override { return _ep; }
Genode::Ram_session_capability ram_session_cap() override
{
return Genode::env()->ram_session_cap();
}
Genode::Cpu_session_capability cpu_session_cap() override
{
return Genode::env()->cpu_session_cap();
}
Genode::Pd_session_capability pd_session_cap() override
{
return Genode::env()->pd_session_cap();
}
};
}
namespace Genode {
struct Startup;
extern void bootstrap_component();
}
/*
* We need to execute the constructor of the main entrypoint from a
* class called 'Startup' as 'Startup' is a friend of 'Entrypoint'.
*/
struct Genode::Startup
{
::Env env { ep };
bool const exception_handling = (init_exception_handling(env), true);
/*
* The construction of the main entrypoint does never return.
*/
Entrypoint ep { env };
};
void Genode::bootstrap_component()
{
static Startup startup;
/* never reached */
}