2013-11-18 13:03:12 +01:00
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/*
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* \brief Platform specific services for base-hw (TrustZone)
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* \author Stefan Kalkowski
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* \date 2012-10-26
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*/
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/*
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2017-02-20 13:23:52 +01:00
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* Copyright (C) 2012-2017 Genode Labs GmbH
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2013-11-18 13:03:12 +01:00
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*
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* This file is part of the Genode OS framework, which is distributed
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2017-02-20 13:23:52 +01:00
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* under the terms of the GNU Affero General Public License version 3.
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2013-11-18 13:03:12 +01:00
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*/
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/* Genode includes */
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#include <base/service.h>
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#include <drivers/trustzone.h>
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/* Core includes */
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#include <platform.h>
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#include <platform_services.h>
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2018-09-26 15:53:18 +02:00
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#include <core_env.h>
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2017-05-11 00:07:54 +02:00
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#include <core_service.h>
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2013-11-18 13:03:12 +01:00
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#include <vm_root.h>
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2017-02-21 13:46:59 +01:00
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#include <map_local.h>
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2013-11-18 13:03:12 +01:00
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2017-06-30 12:00:27 +02:00
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extern int monitor_mode_exception_vector;
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2013-11-18 13:03:12 +01:00
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/*
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* Add TrustZone specific vm service
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*/
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2019-04-17 14:16:27 +02:00
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void Genode::platform_add_local_services(Rpc_entrypoint &ep,
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Sliced_heap &sliced_heap,
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Registry<Service> &local_services,
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Trace::Source_registry &trace_sources)
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2013-11-18 13:03:12 +01:00
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{
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2017-02-21 13:46:59 +01:00
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static addr_t const phys_base =
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2017-06-30 12:00:27 +02:00
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Platform::core_phys_addr((addr_t)&monitor_mode_exception_vector);
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map_local(phys_base, Hw::Mm::system_exception_vector().base, 1,
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Hw::PAGE_FLAGS_KERN_TEXT);
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2018-09-26 15:53:18 +02:00
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static Vm_root vm_root(ep, sliced_heap, core_env().ram_allocator(),
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2019-04-17 14:16:27 +02:00
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core_env().local_rm(), trace_sources);
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base/core: use references instead of pointers
This patch replaces the former prominent use of pointers by references
wherever feasible. This has the following benefits:
* The contract between caller and callee becomes more obvious. When
passing a reference, the contract says that the argument cannot be
a null pointer. The caller is responsible to ensure that. Therefore,
the use of reference eliminates the need to add defensive null-pointer
checks at the callee site, which sometimes merely exist to be on the
safe side. The bottom line is that the code becomes easier to follow.
* Reference members must be initialized via an object initializer,
which promotes a programming style that avoids intermediate object-
construction states. Within core, there are still a few pointers
as member variables left though. E.g., caused by the late association
of 'Platform_thread' objects with their 'Platform_pd' objects.
* If no pointers are present as member variables, we don't need to
manually provide declarations of a private copy constructor and
an assignment operator to avoid -Weffc++ errors "class ... has
pointer data members [-Werror=effc++]".
This patch also changes a few system bindings on NOVA and Fiasco.OC,
e.g., the return value of the global 'cap_map' accessor has become a
reference. Hence, the patch touches a few places outside of core.
Fixes #3135
2019-01-24 22:00:01 +01:00
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static Core_service<Vm_session_component> vm_service(local_services, vm_root);
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2013-11-18 13:03:12 +01:00
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}
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