genode/repos/base-hw/src/core/spec/arm_v7/vm_session_component.cc

45 lines
974 B
C++

/*
* \brief VM session component for 'base-hw'
* \author Stefan Kalkowski
* \date 2012-10-08
*/
/*
* Copyright (C) 2012-2017 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.
*/
#include <vm_session_component.h>
#include <platform.h>
#include <core_env.h>
using namespace Genode;
addr_t Vm_session_component::_alloc_ds(size_t &ram_quota)
{
addr_t addr;
if (_ds_size() > ram_quota ||
platform().ram_alloc().alloc_aligned(_ds_size(), (void**)&addr,
get_page_size_log2()).error())
throw Insufficient_ram_quota();
ram_quota -= _ds_size();
return addr;
}
void Vm_session_component::run(void)
{
if (Kernel_object<Kernel::Vm>::_cap.valid())
Kernel::run_vm(kernel_object());
}
void Vm_session_component::pause(void)
{
if (Kernel_object<Kernel::Vm>::_cap.valid())
Kernel::pause_vm(kernel_object());
}