54 lines
1.2 KiB
C++
54 lines
1.2 KiB
C++
/*
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* \brief Kernel-specific RM-faulter wake-up mechanism
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* \author Norman Feske
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* \date 2016-04-12
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*/
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/*
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* Copyright (C) 2016-2017 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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/* core includes */
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#include <pager.h>
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/* base-internal includes */
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#include <base/internal/capability_space_tpl.h>
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/* Fiasco includes */
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namespace Fiasco {
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#include <l4/sys/ipc.h>
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#include <l4/sys/syscalls.h>
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#include <l4/sys/kdebug.h>
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}
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using namespace Genode;
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void Pager_object::wake_up()
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{
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using namespace Fiasco;
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/* kernel-defined message header */
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struct {
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l4_fpage_t rcv_fpage { }; /* unused */
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l4_msgdope_t size_dope = L4_IPC_DOPE(0, 0);
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l4_msgdope_t send_dope = L4_IPC_DOPE(0, 0);
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} rcv_header { };
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l4_msgdope_t ipc_result;
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l4_umword_t dummy = 0;
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l4_ipc_call(Capability_space::ipc_cap_data(cap()).dst, L4_IPC_SHORT_MSG,
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0, /* fault address */
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(l4_umword_t)this, /* instruction pointer */
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&rcv_header, &dummy, &dummy, L4_IPC_NEVER, &ipc_result);
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}
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void Pager_object::unresolved_page_fault_occurred()
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{
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state.unresolved_page_fault = true;
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}
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