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94 lines
2.6 KiB
C++
94 lines
2.6 KiB
C++
/*
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* \brief Client-side cpu session NOVA extension
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* \author Alexander Boettcher
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* \date 2012-07-27
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*/
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/*
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* Copyright (C) 2012-2012 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 <base/rpc_client.h>
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#include <base/thread.h>
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#include <cpu_session/capability.h>
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#include <nova_cpu_session/nova_cpu_session.h>
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namespace Genode {
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struct Cpu_session_client : Rpc_client<Nova_cpu_session>
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{
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explicit Cpu_session_client(Cpu_session_capability session)
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: Rpc_client<Nova_cpu_session>(static_cap_cast<Nova_cpu_session>(session)) { }
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Thread_capability create_thread(Name const &name, addr_t utcb = 0) {
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return call<Rpc_create_thread>(name, utcb); }
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Ram_dataspace_capability utcb(Thread_capability thread) {
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return call<Rpc_utcb>(thread); }
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void kill_thread(Thread_capability thread) {
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call<Rpc_kill_thread>(thread); }
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int set_pager(Thread_capability thread, Pager_capability pager) {
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return call<Rpc_set_pager>(thread, pager); }
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int start(Thread_capability thread, addr_t ip, addr_t sp) {
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return call<Rpc_start>(thread, ip, sp); }
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void pause(Thread_capability thread)
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{
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Native_capability block = call<Rpc_pause_sync>(thread);
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if (!block.valid())
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return;
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Nova::sm_ctrl(block.local_name(), Nova::SEMAPHORE_DOWN);
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Nova::revoke(Nova::Obj_crd(block.local_name(), 0));
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cap_selector_allocator()->free(block.local_name(), 0);
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}
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void resume(Thread_capability thread) {
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call<Rpc_resume>(thread); }
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void cancel_blocking(Thread_capability thread) {
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call<Rpc_cancel_blocking>(thread); }
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Thread_state state(Thread_capability thread) {
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return call<Rpc_get_state>(thread); }
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void state(Thread_capability thread, Thread_state const &state) {
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call<Rpc_set_state>(thread, state); }
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void exception_handler(Thread_capability thread, Signal_context_capability handler) {
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call<Rpc_exception_handler>(thread, handler); }
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void single_step(Thread_capability thread, bool enable) {
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call<Rpc_single_step>(thread, enable); }
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Native_capability native_cap(Thread_capability cap) {
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return call<Rpc_native_cap>(cap); }
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unsigned num_cpus() const {
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return call<Rpc_num_cpus>(); }
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void affinity(Thread_capability thread, unsigned cpu) {
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call<Rpc_affinity>(thread, cpu); }
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private:
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Native_capability pause_sync(Thread_capability target) {
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return Native_capability::invalid_cap(); }
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};
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}
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#endif /* _INCLUDE__CPU_SESSION__CLIENT_H_ */
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