66 lines
1.4 KiB
C++
66 lines
1.4 KiB
C++
/*
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* \brief Component-local stack area
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* \author Norman Feske
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* \date 2010-01-19
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*/
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/*
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* Copyright (C) 2010-2013 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 General Public License version 2.
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*/
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/* Genode includes */
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#include <rm_session/connection.h>
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/* base-internal includes */
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#include <base/internal/platform_env_common.h>
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using namespace Genode;
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struct Expanding_rm_connection : Connection<Rm_session>, Expanding_rm_session_client
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{
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/**
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* Constructor
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*
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* \param start start of the managed VM-region
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* \param size size of the VM-region to manage
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*/
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Expanding_rm_connection(addr_t start = ~0UL, size_t size = 0) :
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Connection<Rm_session>(
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session("ram_quota=64K, start=0x%p, size=0x%zx",
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start, size)),
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Expanding_rm_session_client(cap()) { }
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};
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struct Stack_area_rm_session : Expanding_rm_connection
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{
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Stack_area_rm_session()
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: Expanding_rm_connection(0, Native_config::stack_area_virtual_size())
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{
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addr_t local_base = Native_config::stack_area_virtual_base();
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size_t size = Native_config::stack_area_virtual_size();
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env()->rm_session()->attach_at(dataspace(), local_base, size);
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}
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};
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namespace Genode {
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Rm_session *env_stack_area_rm_session()
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{
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static Stack_area_rm_session inst;
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return &inst;
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}
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Ram_session *env_stack_area_ram_session()
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{
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return env()->ram_session();
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}
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}
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