ExternalVendorCode/genode
1
0
Fork 0
mirror of https://github.com/genodelabs/genode.git synced 2024-12-19 05:37:54 +00:00
Code Issues Actions Packages Projects Releases Wiki Activity

core: simplify initialization

Browse Source 
This patch removes the 'Core_parent' and 'Core_pd_session', and reduces
the 'Core_env'.
This commit is contained in:
Norman Feske 2017-05-11 00:07:54 +02:00 committed by Christian Helmuth
parent a1df4fee44
commit 65225a94b1
29 changed files with 261 additions and 684 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
repos/base-fiasco/src/core/platform.cc
View File

@ -25,7 +25,6 @@
#include <base/internal/globals.h>
/* core includes */
#include <core_parent.h>
#include <platform.h>
#include <platform_thread.h>
#include <platform_pd.h>
@ -485,5 +484,3 @@ void Platform::wait_for_exit()
sleep_forever();
}
void Core_parent::exit(int exit_value) { }

9
repos/base-fiasco/src/lib/base/thread_bootstrap.cc
View File

@ -15,6 +15,9 @@
#include <base/thread.h>
#include <base/env.h>
/* base-internal includes */
#include <base/internal/globals.h>
using namespace Genode;
@ -23,7 +26,6 @@ using namespace Genode;
*****************************/
void prepare_init_main_thread() { }
void prepare_reinit_main_thread() { }
@ -36,6 +38,7 @@ void Thread::_thread_bootstrap() { }
void Thread::_init_platform_thread(size_t, Type type)
{
if (type == NORMAL) { return; }
_thread_cap = Genode::env_deprecated()->parent()->main_thread_cap();
if (type == NORMAL) return;
_thread_cap = main_thread_cap();
}

2
repos/base-foc/src/core/platform.cc
View File

@ -512,5 +512,3 @@ Affinity::Space Platform::affinity_space() const
return Affinity::Space(cpus_online, 1);
}
void Core_parent::exit(int exit_value) { }

3
repos/base-foc/src/lib/base/thread_start.cc
View File

@ -24,6 +24,7 @@
/* base-internal includes */
#include <base/internal/stack.h>
#include <base/internal/cap_map.h>
#include <base/internal/globals.h>
/* Fiasco includes */
namespace Fiasco {
@ -66,7 +67,7 @@ void Thread::_init_platform_thread(size_t weight, Type type)
}
/* adjust values whose computation differs for a main thread */
native_thread().kcap = Fiasco::MAIN_THREAD_CAP;
_thread_cap = env_deprecated()->parent()->main_thread_cap();
_thread_cap = main_thread_cap();
if (!_thread_cap.valid())
throw Cpu_session::Thread_creation_failed();

11
repos/base-hw/src/core/platform.cc
View File

@ -143,17 +143,6 @@ Platform::Platform()
}
/*****************
** Core_parent **
*****************/
void Core_parent::exit(int exit_value)
{
warning(__PRETTY_FUNCTION__, "not implemented");
while (1);
}
/****************************************
** Support for core memory management **
****************************************/

2
repos/base-hw/src/core/spec/arndale/platform_services.cc
View File

@ -18,7 +18,7 @@
/* core includes */
#include <platform.h>
#include <platform_services.h>
#include <core_parent.h> /* for 'Core_service' type */
#include <core_service.h>
#include <map_local.h>
#include <vm_root.h>
#include <platform.h>

2
repos/base-hw/src/core/spec/imx53/trustzone/platform_services.cc
View File

@ -18,7 +18,7 @@
/* Core includes */
#include <platform.h>
#include <platform_services.h>
#include <core_parent.h>
#include <core_service.h>
#include <vm_root.h>
#include <map_local.h>

2
repos/base-hw/src/lib/base/thread_start.cc
View File

@ -63,7 +63,7 @@ void Thread::_init_platform_thread(size_t weight, Type type)
}
/* adjust initial object state in case of a main thread */
native_thread().cap = Hw::_main_thread_cap;
_thread_cap = env_deprecated()->parent()->main_thread_cap();
_thread_cap = main_thread_cap();
}

198
repos/base-linux/src/core/include/core_env.h
View File

@ -1,198 +0,0 @@
/*
* \brief Core-specific environment for Linux
* \author Norman Feske
* \author Christian Helmuth
* \date 2006-07-28
*/
/*
* Copyright (C) 2006-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _CORE__INCLUDE__CORE_ENV_H_
#define _CORE__INCLUDE__CORE_ENV_H_
/* Genode includes */
#include <base/service.h>
/* core includes */
#include <platform.h>
#include <core_parent.h>
#include <core_pd_session.h>
#include <ram_session_component.h>
#include <core_pd_session.h>
/* base-internal includes */
#include <base/internal/platform_env.h>
namespace Genode { void init_stack_area(); }
namespace Genode {
/**
* Lock-guarded wrapper for a RAM session
*
* In contrast to regular components, core's RAM session is not
* synchronized via the RPC entrypoint.
*/
class Synced_ram_session : public Ram_session
{
private:
Lock mutable _lock;
Ram_session &_ram_session;
public:
Synced_ram_session(Ram_session &ram_session) : _ram_session(ram_session) { }
/***************************
** RAM-session interface **
***************************/
Ram_dataspace_capability alloc(size_t size, Cache_attribute cached) override
{
Lock::Guard lock_guard(_lock);
return _ram_session.alloc(size, cached);
}
void free(Ram_dataspace_capability ds) override
{
Lock::Guard lock_guard(_lock);
_ram_session.free(ds);
}
size_t dataspace_size(Ram_dataspace_capability ds) const override
{
Lock::Guard lock_guard(_lock);
return _ram_session.dataspace_size(ds);
}
void ref_account(Ram_session_capability session) override
{
Lock::Guard lock_guard(_lock);
_ram_session.ref_account(session);
}
void transfer_quota(Ram_session_capability session, Ram_quota amount) override
{
Lock::Guard lock_guard(_lock);
_ram_session.transfer_quota(session, amount);
}
Ram_quota ram_quota() const override
{
Lock::Guard lock_guard(_lock);
return _ram_session.ram_quota();
}
Ram_quota used_ram() const override
{
Lock::Guard lock_guard(_lock);
return _ram_session.used_ram();
}
};
class Core_env : public Platform_env_base
{
private:
enum { STACK_SIZE = 2048 * sizeof(Genode::addr_t) };
/*
* Initialize the stack area before creating the first thread,
* which happens to be the '_entrypoint'.
*/
bool _init_stack_area() { init_stack_area(); return true; }
bool _stack_area_initialized = _init_stack_area();
Rpc_entrypoint _entrypoint { nullptr, STACK_SIZE, "entrypoint" };
Ram_session_component _ram_session;
Synced_ram_session _synced_ram_session { _ram_session };
/*
* The core-local PD session is provided by a real RPC object
* dispatched by the same entrypoint as the signal-source RPC
* objects. This is needed to allow the 'Pd_session::submit'
* method to issue out-of-order replies to
* 'Signal_source::wait_for_signal' calls.
*/
Core_pd_session_component _pd_session_component { _entrypoint };
Pd_session_client _pd_session_client { _pd_session_component.cap() };
Registry<Service> _services;
Heap _heap { _synced_ram_session, *Platform_env_base::rm_session() };
Core_parent _core_parent { _heap, _services };
typedef String<100> Ram_args;
static Session::Resources _ram_resources()
{
return { Ram_quota { platform()->ram_alloc()->avail() },
Cap_quota { 1000 } };
}
public:
/**
* Constructor
*/
Core_env()
:
Platform_env_base(Ram_session_capability(),
Cpu_session_capability(),
Pd_session_capability()),
_ram_session(_entrypoint,
_ram_resources(),
Session::Label("core"),
Session::Diag{false},
*platform()->ram_alloc(),
*Platform_env_base::rm_session(),
Ram_session_component::any_phys_range())
{
_ram_session.init_ram_account();
}
/**
* Destructor
*/
~Core_env() { parent()->exit(0); }
Rpc_entrypoint *entrypoint() { return &_entrypoint; }
/******************************
** Env_deprecated interface **
******************************/
Parent *parent() override { return &_core_parent; }
Ram_session *ram_session() override { return &_ram_session; }
Ram_session_capability ram_session_cap() override { return _ram_session.cap(); }
Pd_session *pd_session() override { return &_pd_session_client; }
Allocator *heap() override { log(__func__, ": not implemented"); return nullptr; }
Cpu_session_capability cpu_session_cap() override
{
warning(__FILE__, ":", __LINE__, " not implemented");
return Cpu_session_capability();
}
Registry<Service> &services() { return _services; }
};
/**
* Request pointer to static environment of Core
*/
extern Core_env *core_env();
}
#endif /* _CORE__INCLUDE__CORE_ENV_H_ */

28
repos/base-linux/src/core/include/core_region_map.h Normal file
View File

@ -0,0 +1,28 @@
/*
* \brief Core-specific region map for Linux
* \author Norman Feske
* \date 2017-05-10
*/
/*
* Copyright (C) 2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _CORE__INCLUDE__CORE_REGION_MAP_H_
#define _CORE__INCLUDE__CORE_REGION_MAP_H_
/* base-internal includes */
#include <base/internal/region_map_mmap.h>
namespace Genode { class Core_region_map; }
struct Genode::Core_region_map : Region_map_mmap
{
Core_region_map(Rpc_entrypoint &ep) : Region_map_mmap(false) { }
};
#endif /* _CORE__INCLUDE__CORE_REGION_MAP_H_ */

9
repos/base-linux/src/core/platform.cc
View File

@ -128,7 +128,7 @@ void Platform::wait_for_exit()
* '_exit' condition will be set.
*/
if (_do_exit)
return;
break;
/*
* Reflect SIGCHLD as exception signal to the signal context of the CPU
@ -145,12 +145,7 @@ void Platform::wait_for_exit()
Platform_thread::submit_exception(pid);
}
}
}
void Core_parent::exit(int exit_value)
{
lx_exit_group(exit_value);
lx_exit_group(0);
}

3
repos/base-linux/src/lib/base/thread_linux.cc
View File

@ -23,6 +23,7 @@
/* base-internal includes */
#include <base/internal/stack.h>
#include <base/internal/globals.h>
/* Linux syscall bindings */
#include <linux_syscalls.h>
@ -98,7 +99,7 @@ void Thread::_init_platform_thread(size_t weight, Type type)
}
/* adjust initial object state for main threads */
native_thread().futex_counter = main_thread_futex_counter;
_thread_cap = env_deprecated()->parent()->main_thread_cap();
_thread_cap = main_thread_cap();
}

3
repos/base-nova/src/core/platform.cc
View File

@ -21,7 +21,6 @@
/* core includes */
#include <boot_modules.h>
#include <core_parent.h>
#include <platform.h>
#include <nova_util.h>
#include <util.h>
@ -745,5 +744,3 @@ bool Mapped_mem_allocator::_unmap_local(addr_t virt_addr, addr_t phys_addr,
void Platform::wait_for_exit() { sleep_forever(); }
void Core_parent::exit(int exit_value) { }

3
repos/base-nova/src/lib/base/thread_start.cc
View File

@ -25,6 +25,7 @@
/* base-internal includes */
#include <base/internal/stack.h>
#include <base/internal/globals.h>
/* NOVA includes */
#include <nova/syscalls.h>
@ -80,7 +81,7 @@ void Thread::_init_platform_thread(size_t weight, Type type)
/* for main threads the member initialization differs */
if (type == MAIN || type == REINITIALIZED_MAIN) {
_thread_cap = env_deprecated()->parent()->main_thread_cap();
_thread_cap = main_thread_cap();
native_thread().exc_pt_sel = 0;
native_thread().ec_sel = Nova::PT_SEL_MAIN_EC;

4
repos/base-okl4/src/core/platform.cc
View File

@ -25,7 +25,6 @@
/* core includes */
#include <boot_modules.h>
#include <core_parent.h>
#include <platform.h>
#include <platform_thread.h>
#include <platform_pd.h>
@ -219,6 +218,3 @@ void Platform::wait_for_exit()
*/
sleep_forever();
}
void Core_parent::exit(int exit_value) { }

3
repos/base-okl4/src/lib/base/thread_bootstrap.cc
View File

@ -19,6 +19,7 @@
/* base-internal includes */
#include <base/internal/native_thread.h>
#include <base/internal/native_utcb.h>
#include <base/internal/globals.h>
/* OKL4 includes */
namespace Okl4 { extern "C" {
@ -84,5 +85,5 @@ void Genode::Thread::_init_platform_thread(size_t, Type type)
{
if (type == NORMAL) { return; }
native_thread().l4id.raw = main_thread_tid.raw;
_thread_cap = env_deprecated()->parent()->main_thread_cap();
_thread_cap = main_thread_cap();
}

3
repos/base-pistachio/src/core/platform.cc
View File

@ -26,7 +26,6 @@
/* core includes */
#include <boot_modules.h>
#include <core_parent.h>
#include <map_local.h>
#include <platform.h>
#include <platform_thread.h>
@ -660,5 +659,3 @@ void Platform::wait_for_exit()
sleep_forever();
}
void Core_parent::exit(int exit_value) { }

3
repos/base-pistachio/src/lib/base/thread_bootstrap.cc
View File

@ -17,6 +17,7 @@
/* base-internal includes */
#include <base/internal/native_thread.h>
#include <base/internal/globals.h>
/* Pistachio includes */
namespace Pistachio {
@ -52,5 +53,5 @@ void Genode::Thread::_init_platform_thread(size_t, Type type)
{
if (type == NORMAL) { return; }
native_thread().l4id = main_thread_tid;
_thread_cap = env_deprecated()->parent()->main_thread_cap();
_thread_cap = main_thread_cap();
}

3
repos/base-sel4/src/core/platform.cc
View File

@ -18,7 +18,6 @@
/* core includes */
#include <boot_modules.h>
#include <core_parent.h>
#include <platform.h>
#include <map_local.h>
#include <cnode.h>
@ -467,5 +466,3 @@ void Platform::wait_for_exit()
sleep_forever();
}
void Core_parent::exit(int exit_value) { }

2
repos/base/lib/mk/base.inc
View File

@ -1,5 +1,5 @@
SRC_CC += log_console.cc default_log.cc
SRC_CC += env_deprecated.cc stack_area.cc env_reinit.cc
SRC_CC += env_deprecated.cc stack_area.cc env_reinit.cc main_thread_cap.cc
SRC_CC += rpc_cap_alloc.cc
vpath %.cc $(REP_DIR)/src/lib/base

157
repos/base/src/core/include/core_env.h
View File

@ -17,89 +17,24 @@
/* Genode includes */
#include <base/env.h>
#include <base/heap.h>
#include <ram_session/client.h>
#include <pd_session/client.h>
#include <rm_session/capability.h>
/* base-internal includes */
#include <base/internal/globals.h>
/* core includes */
#include <platform.h>
#include <core_parent.h>
#include <core_region_map.h>
#include <core_pd_session.h>
#include <ram_session_component.h>
namespace Genode { void init_stack_area(); }
#include <synced_ram_session.h>
#include <assertion.h>
namespace Genode {
/**
* Lock-guarded wrapper for a RAM session
*
* In contrast to normal components, core's RAM session is not
* synchronized by an RPC interface.
*/
class Synced_ram_session : public Ram_session
{
private:
Lock mutable _lock;
Ram_session &_ram_session;
public:
Synced_ram_session(Ram_session &ram_session) : _ram_session(ram_session) { }
/***************************
** RAM-session interface **
***************************/
Ram_dataspace_capability alloc(size_t size, Cache_attribute cached) override
{
Lock::Guard lock_guard(_lock);
return _ram_session.alloc(size, cached);
class Core_env;
extern Core_env *core_env();
}
void free(Ram_dataspace_capability ds) override
{
Lock::Guard lock_guard(_lock);
_ram_session.free(ds);
}
size_t dataspace_size(Ram_dataspace_capability ds) const override
{
Lock::Guard lock_guard(_lock);
return _ram_session.dataspace_size(ds);
}
void ref_account(Ram_session_capability session) override
{
Lock::Guard lock_guard(_lock);
_ram_session.ref_account(session);
}
void transfer_quota(Ram_session_capability session, Ram_quota amount) override
{
Lock::Guard lock_guard(_lock);
_ram_session.transfer_quota(session, amount);
}
Ram_quota ram_quota() const override
{
Lock::Guard lock_guard(_lock);
return _ram_session.ram_quota();
}
Ram_quota used_ram() const override
{
Lock::Guard lock_guard(_lock);
return _ram_session.used_ram();
}
};
class Core_env : public Env_deprecated
class Genode::Core_env : public Env_deprecated
{
private:
@ -117,59 +52,27 @@ namespace Genode {
Ram_session_component _ram_session;
Synced_ram_session _synced_ram_session { _ram_session };
/*
* The core-local PD session is provided by a real RPC object
* dispatched by the same entrypoint as the signal-source RPC
* objects. This is needed to allow the 'Pd_session::submit'
* method to issue out-of-order replies to
* 'Signal_source::wait_for_signal' calls.
*/
Core_pd_session_component _pd_session_component;
Pd_session_client _pd_session_client;
Heap _heap { _synced_ram_session, _region_map };
Registry<Service> _services;
Core_parent _core_parent { _heap, _services };
typedef String<100> Ram_args;
static Session::Resources _ram_resources()
{
return { Ram_quota { platform()->ram_alloc()->avail() },
Cap_quota { platform()->max_caps() } };
}
public:
/**
* Constructor
*/
Core_env()
:
_entrypoint(nullptr, ENTRYPOINT_STACK_SIZE, "entrypoint"),
_region_map(_entrypoint),
_ram_session(_entrypoint,
_ram_resources(),
Session::Resources {
Ram_quota { platform()->ram_alloc()->avail() },
Cap_quota { platform()->max_caps() } },
Session::Label("core"),
Session::Diag{false},
*platform()->ram_alloc(),
_region_map,
Ram_session_component::any_phys_range()),
_pd_session_component(_entrypoint),
_pd_session_client(_pd_session_component.cap()),
_heap(_ram_session, _region_map)
Ram_session_component::any_phys_range())
{
_ram_session.init_ram_account();
}
/**
* Destructor
*/
~Core_env() { parent()->exit(0); }
Rpc_entrypoint *entrypoint() { return &_entrypoint; }
@ -177,43 +80,19 @@ namespace Genode {
** Env_deprecated interface **
******************************/
Parent *parent() override { return &_core_parent; }
Parent *parent() override { return nullptr; }
Ram_session *ram_session() override { return &_synced_ram_session; }
Ram_session_capability ram_session_cap() override { return _ram_session.cap(); }
Region_map *rm_session() override { return &_region_map; }
Pd_session *pd_session() override { return &_pd_session_client; }
Allocator *heap() override { log(__func__, ": not implemented"); return nullptr; }
Cpu_session *cpu_session() override
{
warning(__func__, " not implemented");
return 0;
}
Cpu_session_capability cpu_session_cap() override
{
warning(__FILE__, ":", __LINE__, " not implemented");
return Cpu_session_capability();
}
Pd_session_capability pd_session_cap() override
{
warning(__func__, " not implemented");
return Pd_session_capability();
}
Pd_session *pd_session() override { return nullptr; }
Allocator *heap() override { ASSERT_NEVER_CALLED; }
Cpu_session *cpu_session() override { ASSERT_NEVER_CALLED; }
Cpu_session_capability cpu_session_cap() override { ASSERT_NEVER_CALLED; }
Pd_session_capability pd_session_cap() override { ASSERT_NEVER_CALLED; }
void reinit(Capability<Parent>::Raw) override { }
void reinit_main_thread(Capability<Region_map> &) override { }
Registry<Service> &services() { return _services; }
};
/**
* Request pointer to static environment of Core
*/
extern Core_env *core_env();
}
#endif /* _CORE__INCLUDE__CORE_ENV_H_ */

98
repos/base/src/core/include/core_parent.h
View File

@ -1,98 +0,0 @@
/*
* \brief Core-specific parent client implementation
* \author Norman Feske
* \author Christian Helmuth
* \date 2006-07-20
*/
/*
* Copyright (C) 2006-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _CORE__INCLUDE__CORE_PARENT_H_
#define _CORE__INCLUDE__CORE_PARENT_H_
#include <parent/parent.h>
#include <base/service.h>
#include <base/allocator.h>
namespace Genode {
template <typename> struct Core_service;
struct Core_parent;
}
template <typename SESSION>
struct Genode::Core_service : Local_service<SESSION>, Registry<Service>::Element
{
Core_service(Registry<Service> &registry,
typename Local_service<SESSION>::Factory &factory)
:
Local_service<SESSION>(factory),
Registry<Service>::Element(registry, *this)
{ }
};
/**
* Core has no parent. But most of Genode's library code could work seamlessly
* inside core if it had one. Core_parent fills this gap.
*/
class Genode::Core_parent : public Parent
{
private:
Id_space<Client> _id_space;
Allocator &_alloc;
Registry<Service> &_services;
public:
/**
* Constructor
*
* \alloc allocator to be used for allocating core-local
* 'Session_state' objects
*/
Core_parent(Allocator &alloc, Registry<Service> &services)
: _alloc(alloc), _services(services) { }
void exit(int) override;
void announce(Service_name const &) override { }
void session_sigh(Signal_context_capability) override { }
Session_capability session(Client::Id, Service_name const &, Session_args const &,
Affinity const &) override;
Session_capability session_cap(Client::Id) override { return Session_capability(); }
Upgrade_result upgrade(Client::Id, Upgrade_args const &) override {
throw Out_of_ram(); }
Close_result close(Client::Id) override { return CLOSE_DONE; }
void session_response(Server::Id, Session_response) override { }
void deliver_session_cap(Server::Id,
Session_capability) override { }
Thread_capability main_thread_cap() const override { return Thread_capability(); }
void resource_avail_sigh(Signal_context_capability) override { }
void resource_request(Resource_args const &) override { }
void yield_sigh(Signal_context_capability) override { }
Resource_args yield_request() override { return Resource_args(); }
void yield_response() override { }
};
#endif /* _CORE__INCLUDE__CORE_PARENT_H_ */

118
repos/base/src/core/include/core_pd_session.h
View File

@ -1,118 +0,0 @@
/*
* \brief Core-specific pseudo PD session
* \author Norman Feske
* \date 2016-01-13
*/
/*
* Copyright (C) 2015-2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _CORE__INCLUDE__CORE_PD_SESSION_H_
#define _CORE__INCLUDE__CORE_PD_SESSION_H_
/* Genode includes */
#include <base/rpc_server.h>
#include <base/allocator.h>
#include <pd_session/pd_session.h>
/* core includes */
#include <assertion.h>
#include <signal_source_component.h>
namespace Genode { class Core_pd_session_component; }
class Genode::Core_pd_session_component : public Rpc_object<Pd_session>
{
private:
Rpc_entrypoint &_ep;
public:
/**
* Constructor
*/
Core_pd_session_component(Rpc_entrypoint &ep) : _ep(ep)
{
ep.manage(this);
}
void assign_parent(Capability<Parent> parent) override
{
ASSERT_NEVER_CALLED;
}
bool assign_pci(addr_t pci_config_memory_address, uint16_t) override
{
ASSERT_NEVER_CALLED;
}
Signal_source_capability alloc_signal_source() override
{
/*
* Even though core does not receive any signals, this function is
* called by the base-common initialization code on base-hw. We
* can savely return an invalid capability as it is never used.
*/
return Signal_source_capability();
}
void free_signal_source(Signal_source_capability cap) override
{
ASSERT_NEVER_CALLED;
}
Capability<Signal_context>
alloc_context(Signal_source_capability source, unsigned long imprint) override
{
ASSERT_NEVER_CALLED;
}
void free_context(Capability<Signal_context> cap) override
{
ASSERT_NEVER_CALLED;
}
void submit(Capability<Signal_context> cap, unsigned cnt = 1) override
{
_ep.apply(cap, [&] (Signal_context_component *context) {
if (!context) {
warning("invalid signal-context capability");
return;
}
context->source()->submit(context, cnt);
});
}
Native_capability alloc_rpc_cap(Native_capability) override
{
ASSERT_NEVER_CALLED;
}
void free_rpc_cap(Native_capability) override
{
ASSERT_NEVER_CALLED;
}
Capability<Region_map> address_space() override { ASSERT_NEVER_CALLED; }
Capability<Region_map> stack_area() override { ASSERT_NEVER_CALLED; }
Capability<Region_map> linker_area() override { ASSERT_NEVER_CALLED; }
void ref_account(Capability<Pd_session>) override { ASSERT_NEVER_CALLED; }
void transfer_quota(Capability<Pd_session>, Cap_quota) override {
ASSERT_NEVER_CALLED; }
Cap_quota cap_quota() const { ASSERT_NEVER_CALLED; }
Cap_quota used_caps() const { ASSERT_NEVER_CALLED; }
Capability<Native_pd> native_pd() override { ASSERT_NEVER_CALLED; }
};
#endif /* _CORE__INCLUDE__CORE_PD_SESSION_H_ */

33
repos/base/src/core/include/core_service.h Normal file
View File

@ -0,0 +1,33 @@
/*
* \brief Implementation of the 'Service' interface for core services
* \author Norman Feske
* \date 2017-05-11
*/
/*
* Copyright (C) 2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _CORE__INCLUDE__CORE_SERVICE_H_
#define _CORE__INCLUDE__CORE_SERVICE_H_
#include <base/service.h>
namespace Genode { template <typename> struct Core_service; }
template <typename SESSION>
struct Genode::Core_service : Local_service<SESSION>, Registry<Service>::Element
{
Core_service(Registry<Service> &registry,
typename Local_service<SESSION>::Factory &factory)
:
Local_service<SESSION>(factory),
Registry<Service>::Element(registry, *this)
{ }
};
#endif /* _CORE__INCLUDE__CORE_SERVICE_H_ */

2
repos/base/src/core/include/platform_services.h
View File

@ -14,7 +14,7 @@
#ifndef _CORE__INCLUDE__PLATFORM_SERVICES_H_
#define _CORE__INCLUDE__PLATFORM_SERVICES_H_
#include <base/service.h>
#include <core_service.h>
namespace Genode {

78
repos/base/src/core/include/synced_ram_session.h Normal file
View File

@ -0,0 +1,78 @@
/*
* \brief Synchronized wrapper for the 'Ram_session' interface
* \author Norman Feske
* \date 2017-05-11
*/
/*
* Copyright (C) 2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
#ifndef _CORE__INCLUDE__SYNCED_RAM_SESSION_H_
#define _CORE__INCLUDE__SYNCED_RAM_SESSION_H_
/* Genode includes */
#include <ram_session/ram_session.h>
#include <base/lock.h>
namespace Genode { class Synced_ram_session; }
class Genode::Synced_ram_session : public Ram_session
{
private:
Lock mutable _lock;
Ram_session &_ram_session;
public:
Synced_ram_session(Ram_session &ram_session) : _ram_session(ram_session) { }
Ram_dataspace_capability alloc(size_t size, Cache_attribute cached) override
{
Lock::Guard lock_guard(_lock);
return _ram_session.alloc(size, cached);
}
void free(Ram_dataspace_capability ds) override
{
Lock::Guard lock_guard(_lock);
_ram_session.free(ds);
}
size_t dataspace_size(Ram_dataspace_capability ds) const override
{
Lock::Guard lock_guard(_lock);
return _ram_session.dataspace_size(ds);
}
void ref_account(Ram_session_capability session) override
{
Lock::Guard lock_guard(_lock);
_ram_session.ref_account(session);
}
void transfer_quota(Ram_session_capability session, Ram_quota amount) override
{
Lock::Guard lock_guard(_lock);
_ram_session.transfer_quota(session, amount);
}
Ram_quota ram_quota() const override
{
Lock::Guard lock_guard(_lock);
return _ram_session.ram_quota();
}
Ram_quota used_ram() const override
{
Lock::Guard lock_guard(_lock);
return _ram_session.used_ram();
}
};
#endif /* _CORE__INCLUDE__SYNCED_RAM_SESSION_H_ */

34
repos/base/src/core/main.cc
View File

@ -28,6 +28,7 @@
/* core includes */
#include <platform.h>
#include <core_env.h>
#include <core_service.h>
#include <signal_transmitter.h>
#include <ram_root.h>
#include <rom_root.h>
@ -89,36 +90,7 @@ Platform *Genode::platform_specific()
Platform_generic *Genode::platform() { return platform_specific(); }
/*************************
** Core parent support **
*************************/
Session_capability Core_parent::session(Parent::Client::Id id,
Parent::Service_name const &name,
Parent::Session_args const &args,
Affinity const &affinity)
{
Session_capability cap;
_services.for_each([&] (Service &service) {
if ((service.name() != name.string()) || cap.valid())
return;
Session_state &session = *new (_alloc)
Session_state(service, _id_space, id, label_from_args(args.string()),
args.string(), affinity);
service.initiate_request(session);
cap = session.cap;
});
if (!cap.valid())
error("unexpected core-parent ", name.string(), " session request");
return cap;
}
Thread_capability Genode::main_thread_cap() { return Thread_capability(); }
/****************
@ -277,7 +249,7 @@ int main()
*/
Rpc_entrypoint *e = core_env()->entrypoint();
Registry<Service> &services = core_env()->services();
static Registry<Service> services;
static Ram_allocator &core_ram_alloc = *core_env()->ram_session();
static Region_map &local_rm = *core_env()->rm_session();

3
repos/base/src/include/base/internal/globals.h
View File

@ -26,6 +26,9 @@ namespace Genode {
extern Region_map *env_stack_area_region_map;
extern Ram_session *env_stack_area_ram_session;
Thread_capability main_thread_cap();
void init_stack_area();
void init_exception_handling(Env &);
void init_signal_transmitter(Env &);
void init_cxx_heap(Env &);

24
repos/base/src/lib/base/main_thread_cap.cc Normal file
View File

@ -0,0 +1,24 @@
/*
* \brief Access to the component's initial thread capability
* \author Norman Feske
* \date 2017-05-10
*/
/*
* Copyright (C) 2017 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU Affero General Public License version 3.
*/
/* Genode includes */
#include <deprecated/env.h>
/* base-internal includes */
#include <base/internal/globals.h>
#include <base/internal/parent_cap.h>
Genode::Thread_capability Genode::main_thread_cap()
{
return Genode::env_deprecated()->parent()->main_thread_cap();
}