genode/repos/os/src/server/vmm/vm.h

80 lines
2.2 KiB
C++

/*
* \brief VMM example for ARMv8 virtualization
* \author Stefan Kalkowski
* \date 2019-07-18
*/
/*
* Copyright (C) 2019 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.
*/
#ifndef _SRC__SERVER__VMM__VM_H_
#define _SRC__SERVER__VMM__VM_H_
#include <board.h>
#include <ram.h>
#include <exception.h>
#include <cpu.h>
#include <gic.h>
#include <pl011.h>
#include <virtio_console.h>
#include <virtio_net.h>
#include <base/attached_ram_dataspace.h>
#include <base/attached_rom_dataspace.h>
#include <vm_session/connection.h>
namespace Vmm { class Vm; }
class Vmm::Vm
{
private:
using Ep = Genode::Entrypoint;
enum { STACK_SIZE = sizeof(unsigned long) * 2048, };
Genode::Env & _env;
Genode::Vm_connection _vm { _env };
Genode::Attached_rom_dataspace _kernel_rom { _env, "linux" };
Genode::Attached_rom_dataspace _dtb_rom { _env, "dtb" };
Genode::Attached_rom_dataspace _initrd_rom { _env, "initrd" };
Genode::Attached_ram_dataspace _vm_ram { _env.ram(), _env.rm(),
RAM_SIZE, Genode::CACHED };
Ram _ram { RAM_START, RAM_SIZE,
(Genode::addr_t)_vm_ram.local_addr<void>()};
Genode::Heap _heap { _env.ram(), _env.rm() };
Mmio_bus _bus;
Gic _gic;
Genode::Constructible<Ep> _eps[MAX_CPUS];
Genode::Constructible<Cpu> _cpus[MAX_CPUS];
Pl011 _uart;
Virtio_console _virtio_console;
Virtio_net _virtio_net;
void _load_kernel();
void _load_dtb();
void _load_initrd();
public:
Vm(Genode::Env & env);
Mmio_bus & bus() { return _bus; }
Cpu & boot_cpu();
template <typename F>
void cpu(unsigned cpu, F func)
{
if (cpu >= MAX_CPUS) Genode::error("Cpu number out of bounds ");
else func(*_cpus[cpu]);
}
static unsigned last_cpu() { return MAX_CPUS - 1; }
};
#endif /* _SRC__SERVER__VMM__VM_H_ */