46 lines
957 B
C++
46 lines
957 B
C++
/*
|
|
* \brief Kernel-specific RM-faulter wake-up mechanism
|
|
* \author Norman Feske
|
|
* \date 2016-04-12
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2016-2017 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.
|
|
*/
|
|
|
|
/* core includes */
|
|
#include <pager.h>
|
|
|
|
/* base-internal includes */
|
|
#include <base/internal/cap_map.h>
|
|
|
|
/* Fiasco.OC includes */
|
|
namespace Fiasco {
|
|
#include <l4/sys/ipc.h>
|
|
}
|
|
|
|
using namespace Genode;
|
|
|
|
|
|
void Pager_object::wake_up()
|
|
{
|
|
using namespace Fiasco;
|
|
|
|
/*
|
|
* Issue IPC to pager, transmitting the pager-object pointer as 'IP'.
|
|
*/
|
|
l4_utcb_mr()->mr[0] = 0; /* fault address */
|
|
l4_utcb_mr()->mr[1] = (l4_umword_t)this; /* instruction pointer */
|
|
|
|
l4_ipc_call(cap().data()->kcap(), l4_utcb(), l4_msgtag(0, 2, 0, 0), L4_IPC_NEVER);
|
|
}
|
|
|
|
|
|
void Pager_object::unresolved_page_fault_occurred()
|
|
{
|
|
state.unresolved_page_fault = true;
|
|
}
|