66 lines
1.6 KiB
C++
66 lines
1.6 KiB
C++
/*
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* \brief RAM root interface
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* \author Norman Feske
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* \date 2006-05-30
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*/
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/*
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* Copyright (C) 2006-2013 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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#ifndef _CORE__INCLUDE__RAM_ROOT_H_
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#define _CORE__INCLUDE__RAM_ROOT_H_
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#include <root/component.h>
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#include "ram_session_component.h"
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namespace Genode {
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class Ram_root : public Root_component<Ram_session_component>
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{
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private:
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Range_allocator *_ram_alloc;
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Rpc_entrypoint *_ds_ep;
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protected:
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Ram_session_component *_create_session(const char *args)
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{
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return new (md_alloc())
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Ram_session_component(_ds_ep, ep(), _ram_alloc,
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md_alloc(), args);
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}
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void _upgrade_session(Ram_session_component *ram, const char *args)
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{
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size_t ram_quota = Arg_string::find_arg(args, "ram_quota").ulong_value(0);
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ram->upgrade_ram_quota(ram_quota);
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}
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public:
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/**
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* Constructor
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*
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* \param session_ep entry point for managing ram session objects
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* \param ds_ep entry point for managing dataspaces
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* \param ram_alloc pool of memory to be assigned to ram sessions
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* \param md_alloc meta-data allocator to be used by root component
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*/
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Ram_root(Rpc_entrypoint *session_ep,
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Rpc_entrypoint *ds_ep,
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Range_allocator *ram_alloc,
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Allocator *md_alloc)
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:
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Root_component<Ram_session_component>(session_ep, md_alloc),
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_ram_alloc(ram_alloc), _ds_ep(ds_ep) { }
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};
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}
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#endif /* _CORE__INCLUDE__RAM_ROOT_H_ */
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