80 lines
2.2 KiB
C++
80 lines
2.2 KiB
C++
/*
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* \brief VMM example for ARMv8 virtualization
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* \author Stefan Kalkowski
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* \date 2019-07-18
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*/
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/*
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* Copyright (C) 2019 Genode Labs GmbH
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*
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* This file is part of the Genode OS framework, which is distributed
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* under the terms of the GNU Affero General Public License version 3.
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*/
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#ifndef _SRC__SERVER__VMM__VM_H_
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#define _SRC__SERVER__VMM__VM_H_
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#include <board.h>
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#include <ram.h>
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#include <exception.h>
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#include <cpu.h>
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#include <gic.h>
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#include <pl011.h>
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#include <virtio_console.h>
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#include <virtio_net.h>
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#include <base/attached_ram_dataspace.h>
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#include <base/attached_rom_dataspace.h>
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#include <vm_session/connection.h>
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namespace Vmm { class Vm; }
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class Vmm::Vm
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{
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private:
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using Ep = Genode::Entrypoint;
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enum { STACK_SIZE = sizeof(unsigned long) * 2048, };
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Genode::Env & _env;
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Genode::Vm_connection _vm { _env };
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Genode::Attached_rom_dataspace _kernel_rom { _env, "linux" };
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Genode::Attached_rom_dataspace _dtb_rom { _env, "dtb" };
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Genode::Attached_rom_dataspace _initrd_rom { _env, "initrd" };
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Genode::Attached_ram_dataspace _vm_ram { _env.ram(), _env.rm(),
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RAM_SIZE, Genode::CACHED };
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Ram _ram { RAM_START, RAM_SIZE,
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(Genode::addr_t)_vm_ram.local_addr<void>()};
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Genode::Heap _heap { _env.ram(), _env.rm() };
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Mmio_bus _bus;
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Gic _gic;
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Genode::Constructible<Ep> _eps[MAX_CPUS];
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Genode::Constructible<Cpu> _cpus[MAX_CPUS];
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Pl011 _uart;
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Virtio_console _virtio_console;
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Virtio_net _virtio_net;
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void _load_kernel();
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void _load_dtb();
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void _load_initrd();
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public:
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Vm(Genode::Env & env);
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Mmio_bus & bus() { return _bus; }
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Cpu & boot_cpu();
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template <typename F>
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void cpu(unsigned cpu, F func)
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{
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if (cpu >= MAX_CPUS) Genode::error("Cpu number out of bounds ");
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else func(*_cpus[cpu]);
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}
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static unsigned last_cpu() { return MAX_CPUS - 1; }
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};
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#endif /* _SRC__SERVER__VMM__VM_H_ */
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