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b49e588c1c
This patch replaces the former 'Pd_session::bind_thread' function by a PD-capability argument of the 'Cpu_session::create_thread' function, and removes the ancient thread-start protocol via 'Rm_session::add_client' and 'Cpu_session::set_pager'. Threads are now bound to PDs at their creation time and implicitly paged according to the address space of the PD. Note the API change: This patch changes the signature of the 'Child' and 'Process' constructors. There is a new 'address_space' argument, which represents the region map representing the child's address space. It is supplied separately to the PD session capability (which principally can be invoked to obtain the PD's address space) to allow the population of the address space without relying on an 'Pd_session::address_space' RPC call. Furthermore, a new (optional) env_pd argument allows the explicit overriding of the PD capability handed out to the child as part of its environment. It can be used to intercept the interaction of the child with its PD session at core. This is used by Noux. Issue #1938
93 lines
2.9 KiB
C++
93 lines
2.9 KiB
C++
/*
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* \brief Client-side cpu session interface
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* \author Christian Helmuth
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* \date 2006-07-12
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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 _INCLUDE__CPU_SESSION__CLIENT_H_
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#define _INCLUDE__CPU_SESSION__CLIENT_H_
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#include <cpu_session/capability.h>
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#include <base/rpc_client.h>
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namespace Genode { struct Cpu_session_client; }
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struct Genode::Cpu_session_client : Rpc_client<Cpu_session>
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{
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explicit Cpu_session_client(Cpu_session_capability session)
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: Rpc_client<Cpu_session>(session) { }
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Thread_capability
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create_thread(Capability<Pd_session> pd, size_t quota, Name const &name,
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Affinity::Location affinity, addr_t utcb = 0) override {
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return call<Rpc_create_thread>(pd, quota, name, affinity, utcb); }
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Ram_dataspace_capability utcb(Thread_capability thread) override {
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return call<Rpc_utcb>(thread); }
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void kill_thread(Thread_capability thread) override {
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call<Rpc_kill_thread>(thread); }
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int start(Thread_capability thread, addr_t ip, addr_t sp) override {
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return call<Rpc_start>(thread, ip, sp); }
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void pause(Thread_capability thread) override {
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call<Rpc_pause>(thread); }
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void resume(Thread_capability thread) override {
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call<Rpc_resume>(thread); }
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void cancel_blocking(Thread_capability thread) override {
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call<Rpc_cancel_blocking>(thread); }
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Thread_state state(Thread_capability thread) override {
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return call<Rpc_get_state>(thread); }
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void state(Thread_capability thread, Thread_state const &state) override {
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call<Rpc_set_state>(thread, state); }
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void exception_handler(Thread_capability thread, Signal_context_capability handler) override {
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call<Rpc_exception_handler>(thread, handler); }
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void single_step(Thread_capability thread, bool enable) override {
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call<Rpc_single_step>(thread, enable); }
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Affinity::Space affinity_space() const override {
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return call<Rpc_affinity_space>(); }
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void affinity(Thread_capability thread, Affinity::Location location) override {
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call<Rpc_affinity>(thread, location); }
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Dataspace_capability trace_control() override {
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return call<Rpc_trace_control>(); }
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unsigned trace_control_index(Thread_capability thread) override {
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return call<Rpc_trace_control_index>(thread); }
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Dataspace_capability trace_buffer(Thread_capability thread) override {
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return call<Rpc_trace_buffer>(thread); }
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Dataspace_capability trace_policy(Thread_capability thread) override {
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return call<Rpc_trace_policy>(thread); }
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int ref_account(Cpu_session_capability session) override {
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return call<Rpc_ref_account>(session); }
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int transfer_quota(Cpu_session_capability session, size_t amount) override {
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return call<Rpc_transfer_quota>(session, amount); }
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Quota quota() override { return call<Rpc_quota>(); }
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Capability<Native_cpu> native_cpu() override { return call<Rpc_native_cpu>(); }
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};
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#endif /* _INCLUDE__CPU_SESSION__CLIENT_H_ */
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