mirror of
https://github.com/genodelabs/genode.git
synced 2025-05-21 01:37:42 +00:00
57 lines
1.6 KiB
C++
57 lines
1.6 KiB
C++
/*
|
|
* \brief Helper classes to make raw Nova IPC calls which can't be expressed
|
|
* via the Genode base RPC abstractions
|
|
* \author Alexander Boettcher
|
|
*
|
|
*/
|
|
|
|
/*
|
|
* Copyright (C) 2016-2017 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 <base/thread.h>
|
|
|
|
/* test specific includes */
|
|
#include "server.h"
|
|
|
|
using namespace Test;
|
|
|
|
long Test::cap_void_manual(Genode::Native_capability dst,
|
|
Genode::Native_capability arg1,
|
|
Genode::addr_t &local_reply)
|
|
{
|
|
if (!arg1.valid())
|
|
return Genode::Rpc_exception_code::INVALID_OBJECT;
|
|
|
|
Genode::Thread * myself = Genode::Thread::myself();
|
|
Nova::Utcb *utcb = reinterpret_cast<Nova::Utcb *>(myself->utcb());
|
|
|
|
/* save original receive window */
|
|
Nova::Crd orig_crd = utcb->crd_rcv;
|
|
|
|
/* don't open receive window */
|
|
utcb->crd_rcv = Nova::Obj_crd();
|
|
/* not used on base-nova */
|
|
utcb->msg()[0] = 0;
|
|
/* method number of RPC interface to be called on server side */
|
|
utcb->msg()[1] = 0;
|
|
utcb->set_msg_word(2);
|
|
|
|
Nova::Crd crd = Genode::Capability_space::crd(arg1);
|
|
if (!utcb->append_item(crd, 0, false, false, false))
|
|
return Genode::Rpc_exception_code::INVALID_OBJECT;
|
|
|
|
Genode::uint8_t res = Nova::call(dst.local_name());
|
|
|
|
/* restore original receive window */
|
|
utcb->crd_rcv = orig_crd;
|
|
|
|
local_reply = utcb->msg()[1];
|
|
return (res == Nova::NOVA_OK && utcb->msg_words() == 3 && utcb->msg()[2])
|
|
? utcb->msg()[0] : Genode::Rpc_exception_code::INVALID_OBJECT;
|
|
}
|