genode/base-nova/include/cpu_session/client.h
2012-11-23 12:20:22 +01:00

94 lines
2.6 KiB
C++

/*
* \brief Client-side cpu session NOVA extension
* \author Alexander Boettcher
* \date 2012-07-27
*/
/*
* Copyright (C) 2012-2012 Genode Labs GmbH
*
* This file is part of the Genode OS framework, which is distributed
* under the terms of the GNU General Public License version 2.
*/
#ifndef _INCLUDE__CPU_SESSION__CLIENT_H_
#define _INCLUDE__CPU_SESSION__CLIENT_H_
#include <base/rpc_client.h>
#include <base/thread.h>
#include <cpu_session/capability.h>
#include <nova_cpu_session/nova_cpu_session.h>
namespace Genode {
struct Cpu_session_client : Rpc_client<Nova_cpu_session>
{
explicit Cpu_session_client(Cpu_session_capability session)
: Rpc_client<Nova_cpu_session>(static_cap_cast<Nova_cpu_session>(session)) { }
Thread_capability create_thread(Name const &name, addr_t utcb = 0) {
return call<Rpc_create_thread>(name, utcb); }
Ram_dataspace_capability utcb(Thread_capability thread) {
return call<Rpc_utcb>(thread); }
void kill_thread(Thread_capability thread) {
call<Rpc_kill_thread>(thread); }
int set_pager(Thread_capability thread, Pager_capability pager) {
return call<Rpc_set_pager>(thread, pager); }
int start(Thread_capability thread, addr_t ip, addr_t sp) {
return call<Rpc_start>(thread, ip, sp); }
void pause(Thread_capability thread)
{
Native_capability block = call<Rpc_pause_sync>(thread);
if (!block.valid())
return;
Nova::sm_ctrl(block.local_name(), Nova::SEMAPHORE_DOWN);
Nova::revoke(Nova::Obj_crd(block.local_name(), 0));
cap_selector_allocator()->free(block.local_name(), 0);
}
void resume(Thread_capability thread) {
call<Rpc_resume>(thread); }
void cancel_blocking(Thread_capability thread) {
call<Rpc_cancel_blocking>(thread); }
Thread_state state(Thread_capability thread) {
return call<Rpc_get_state>(thread); }
void state(Thread_capability thread, Thread_state const &state) {
call<Rpc_set_state>(thread, state); }
void exception_handler(Thread_capability thread, Signal_context_capability handler) {
call<Rpc_exception_handler>(thread, handler); }
void single_step(Thread_capability thread, bool enable) {
call<Rpc_single_step>(thread, enable); }
Native_capability native_cap(Thread_capability cap) {
return call<Rpc_native_cap>(cap); }
unsigned num_cpus() const {
return call<Rpc_num_cpus>(); }
void affinity(Thread_capability thread, unsigned cpu) {
call<Rpc_affinity>(thread, cpu); }
private:
Native_capability pause_sync(Thread_capability target) {
return Native_capability::invalid_cap(); }
};
}
#endif /* _INCLUDE__CPU_SESSION__CLIENT_H_ */