106 lines
3.1 KiB
C++
106 lines
3.1 KiB
C++
/*
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* \brief Core-specific environment
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* \author Norman Feske
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* \author Christian Helmuth
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* \date 2006-07-28
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*/
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/*
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* Copyright (C) 2006-2017 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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#ifndef _CORE__INCLUDE__CORE_ENV_H_
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#define _CORE__INCLUDE__CORE_ENV_H_
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/* Genode includes */
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#include <base/env.h>
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#include <deprecated/env.h>
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/* base-internal includes */
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#include <base/internal/globals.h>
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/* core includes */
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#include <platform.h>
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#include <core_region_map.h>
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#include <pd_session_component.h>
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#include <synced_ram_allocator.h>
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#include <assertion.h>
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namespace Genode {
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class Core_env;
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extern Core_env &core_env();
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}
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class Genode::Core_env : public Env_deprecated, Noncopyable
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{
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private:
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enum { ENTRYPOINT_STACK_SIZE = 20 * 1024 };
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/*
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* Initialize the stack area before creating the first thread,
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* which happens to be the '_entrypoint'.
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*/
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bool _init_stack_area() { init_stack_area(); return true; }
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bool _stack_area_initialized = _init_stack_area();
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Rpc_entrypoint _entrypoint;
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Core_region_map _region_map;
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Pd_session_component _pd_session;
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Synced_ram_allocator _synced_ram_allocator { _pd_session };
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public:
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Core_env()
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:
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_entrypoint(nullptr, ENTRYPOINT_STACK_SIZE, "entrypoint"),
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_region_map(_entrypoint),
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_pd_session(_entrypoint,
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_entrypoint,
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Session::Resources {
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Ram_quota { platform().ram_alloc().avail() },
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Cap_quota { platform().max_caps() } },
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Session::Label("core"),
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Session::Diag{false},
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platform().ram_alloc(),
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Ram_dataspace_factory::any_phys_range(),
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Ram_dataspace_factory::Virt_range { platform().vm_start(),
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platform().vm_size() },
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_region_map,
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*((Pager_entrypoint *)nullptr),
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"" /* args to native PD */,
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platform_specific().core_mem_alloc())
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{
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_pd_session.init_cap_and_ram_accounts();
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}
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~Core_env() { parent()->exit(0); }
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Rpc_entrypoint &entrypoint() { return _entrypoint; }
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Ram_allocator &ram_allocator() { return _synced_ram_allocator; }
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Region_map &local_rm() { return _region_map; }
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Rpc_entrypoint &signal_ep();
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/******************************
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** Env_deprecated interface **
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******************************/
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Parent *parent() override { return nullptr; }
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Region_map *rm_session() override { return &_region_map; }
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Pd_session *pd_session() override { return &_pd_session; }
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Cpu_session *cpu_session() override { ASSERT_NEVER_CALLED; }
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Cpu_session_capability cpu_session_cap() override { ASSERT_NEVER_CALLED; }
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Pd_session_capability pd_session_cap() override { return _pd_session.cap(); }
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void reinit(Capability<Parent>::Raw) override { }
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void reinit_main_thread(Capability<Region_map> &) override { }
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};
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#endif /* _CORE__INCLUDE__CORE_ENV_H_ */
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