genode/repos/base-hw/src/core/spec/arm_v7/trustzone/kernel/vm_thread.cc

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1.0 KiB
C++

/*
* \brief Kernel backend for thread-syscalls related to VMs
* \author Stefan Kalkowski
* \date 2015-02-23
*/
/*
* Copyright (C) 2015 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.
*/
/* core includes */
#include <kernel/vm.h>
#include <kernel/thread.h>
void Kernel::Thread::_call_new_vm()
{
/* lookup signal context */
auto const context = Signal_context::pool()->object(user_arg_4());
if (!context) {
PWRN("failed to lookup signal context");
user_arg_0(0);
return;
}
/* create virtual machine */
typedef Genode::Cpu_state_modes Cpu_state_modes;
void * const allocator = reinterpret_cast<void *>(user_arg_1());
void * const table = reinterpret_cast<void *>(user_arg_3());
Cpu_state_modes * const state =
reinterpret_cast<Cpu_state_modes *>(user_arg_2());
Vm * const vm = new (allocator) Vm(state, context, table);
/* return kernel name of virtual machine */
user_arg_0(vm->id());
}