93 lines
2.1 KiB
C++
93 lines
2.1 KiB
C++
/*
|
|
* \brief Support code for the thread API
|
|
* \author Norman Feske
|
|
* \date 2010-01-13
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2010-2013 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.
|
|
*/
|
|
|
|
/* Genode includes */
|
|
#include <rm_session/rm_session.h>
|
|
#include <ram_session/ram_session.h>
|
|
#include <base/printf.h>
|
|
#include <base/thread.h>
|
|
|
|
|
|
/**
|
|
* Region-manager session for allocating thread contexts
|
|
*/
|
|
class Context_area_rm_session : public Genode::Rm_session
|
|
{
|
|
public:
|
|
|
|
/**
|
|
* Attach backing store to thread-context area
|
|
*/
|
|
Local_addr attach(Genode::Dataspace_capability ds_cap,
|
|
Genode::size_t size, Genode::off_t offset,
|
|
bool use_local_addr, Local_addr local_addr, bool)
|
|
{
|
|
PWRN("not implemented");
|
|
return local_addr;
|
|
}
|
|
|
|
void detach(Local_addr local_addr) {
|
|
PWRN("context area detach from 0x%p - not implemented", (void *)local_addr); }
|
|
|
|
Genode::Pager_capability add_client(Genode::Thread_capability) {
|
|
return Genode::Pager_capability(); }
|
|
|
|
void remove_client(Genode::Pager_capability) { }
|
|
|
|
void fault_handler(Genode::Signal_context_capability) { }
|
|
|
|
State state() { return State(); }
|
|
|
|
Genode::Dataspace_capability dataspace() {
|
|
return Genode::Dataspace_capability(); }
|
|
};
|
|
|
|
|
|
class Context_area_ram_session : public Genode::Ram_session
|
|
{
|
|
public:
|
|
|
|
Genode::Ram_dataspace_capability alloc(Genode::size_t size, bool) {
|
|
return Genode::Ram_dataspace_capability(); }
|
|
|
|
void free(Genode::Ram_dataspace_capability) { }
|
|
|
|
int ref_account(Genode::Ram_session_capability) { return 0; }
|
|
|
|
int transfer_quota(Genode::Ram_session_capability, Genode::size_t) { return 0; }
|
|
|
|
Genode::size_t quota() { return 0; }
|
|
|
|
Genode::size_t used() { return 0; }
|
|
};
|
|
|
|
|
|
/**
|
|
* Return single instance of the context-area RM and RAM session
|
|
*/
|
|
namespace Genode {
|
|
|
|
Rm_session *env_context_area_rm_session()
|
|
{
|
|
static Context_area_rm_session inst;
|
|
return &inst;
|
|
}
|
|
|
|
Ram_session *env_context_area_ram_session()
|
|
{
|
|
static Context_area_ram_session inst;
|
|
return &inst;
|
|
}
|
|
}
|
|
|