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vm_session: extensions

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- support to create multiple vCPUs
- support to implement Vm_session methods client side within base library
- adjust muen specific virtualbox4 version to compile/link

Issue #3111
This commit is contained in:
Alexander Boettcher 2018-09-26 15:53:18 +02:00 committed by Norman Feske
parent c5786b212b
commit 0c24e1efdc
28 changed files with 403 additions and 157 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

0
repos/base-hw/include/spec/imx53/vm_state.h → repos/base-hw/include/spec/imx53/cpu/vm_state.h
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2
repos/base-hw/src/core/kernel/vm.h
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@ -14,7 +14,7 @@
#ifndef _CORE__KERNEL__VM_H_
#define _CORE__KERNEL__VM_H_
#include <vm_state.h>
#include <cpu/vm_state.h>
/* core includes */
#include <kernel/cpu_context.h>

39
repos/base-hw/src/core/spec/arm_v7/trustzone/vm_session_component.cc
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@ -18,10 +18,9 @@
using namespace Genode;
void Vm_session_component::exception_handler(Signal_context_capability handler)
void Vm_session_component::_exception_handler(Signal_context_capability handler, Vcpu_id)
{
if (!create((void*)_ds.core_local_addr(), Capability_space::capid(handler),
nullptr))
if (!create(_ds_addr, Capability_space::capid(handler), nullptr))
{
warning("Cannot instantiate vm kernel object twice,"
"or invalid signal context?");
@ -29,21 +28,35 @@ void Vm_session_component::exception_handler(Signal_context_capability handler)
}
Vm_session_component::Vm_session_component(Rpc_entrypoint *ds_ep,
size_t ram_quota)
: _ds_ep(ds_ep), _ds(_ds_size(), _alloc_ds(ram_quota), UNCACHED, true, 0),
_ds_cap(static_cap_cast<Dataspace>(_ds_ep->manage(&_ds)))
Vm_session_component::Vm_session_component(Rpc_entrypoint &ds_ep,
Resources resources,
Label const &,
Diag,
Ram_allocator &ram_alloc,
Region_map &region_map)
:
Ram_quota_guard(resources.ram_quota),
Cap_quota_guard(resources.cap_quota),
_ds_ep(&ds_ep),
_constrained_md_ram_alloc(ram_alloc, _ram_quota_guard(), _cap_quota_guard()),
_region_map(region_map)
{
_ds.assign_core_local_addr(core_env().rm_session()->attach(_ds_cap));
_ds_cap = _constrained_md_ram_alloc.alloc(_ds_size(), Genode::Cache_attribute::UNCACHED);
try {
_ds_addr = region_map.attach(_ds_cap);
} catch (...) {
_constrained_md_ram_alloc.free(_ds_cap);
throw;
}
}
Vm_session_component::~Vm_session_component()
{
/* dissolve VM dataspace from service entry point */
_ds_ep->dissolve(&_ds);
/* free region in allocator */
core_env().rm_session()->detach(_ds.core_local_addr());
platform().ram_alloc().free((void*)_ds.phys_addr());
if (_ds_cap.valid()) {
_region_map.detach(_ds_addr);
_constrained_md_ram_alloc.free(_ds_cap);
}
}

48
repos/base-hw/src/core/spec/arm_v7/trustzone/vm_session_component.h
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@ -16,12 +16,11 @@
/* Genode includes */
#include <base/allocator.h>
#include <base/rpc_server.h>
#include <base/session_object.h>
#include <vm_session/vm_session.h>
#include <dataspace/capability.h>
/* Core includes */
#include <dataspace_component.h>
#include <object.h>
#include <kernel/vm.h>
@ -29,8 +28,12 @@ namespace Genode {
class Vm_session_component;
}
class Genode::Vm_session_component : public Genode::Rpc_object<Genode::Vm_session>,
private Kernel_object<Kernel::Vm>
class Genode::Vm_session_component
:
private Ram_quota_guard,
private Cap_quota_guard,
public Rpc_object<Vm_session, Vm_session_component>,
private Kernel_object<Kernel::Vm>
{
private:
@ -40,35 +43,41 @@ class Genode::Vm_session_component : public Genode::Rpc_object<Genode::Vm_sessi
Vm_session_component(Vm_session_component const &);
Vm_session_component &operator = (Vm_session_component const &);
Rpc_entrypoint *_ds_ep;
Range_allocator *_ram_alloc = nullptr;
Dataspace_component _ds;
Dataspace_capability _ds_cap;
addr_t _ds_addr = 0;
Rpc_entrypoint *_ds_ep;
Constrained_ram_allocator _constrained_md_ram_alloc;
Region_map &_region_map;
Ram_dataspace_capability _ds_cap { };
Region_map::Local_addr _ds_addr { 0 };
static size_t _ds_size() {
return align_addr(sizeof(Cpu_state_modes),
get_page_size_log2()); }
addr_t _alloc_ds(size_t &ram_quota);
addr_t _alloc_ds();
protected:
Ram_quota_guard &_ram_quota_guard() { return *this; }
Cap_quota_guard &_cap_quota_guard() { return *this; }
public:
Vm_session_component(Rpc_entrypoint *ds_ep,
size_t ram_quota);
using Ram_quota_guard::upgrade;
using Cap_quota_guard::upgrade;
using Rpc_object<Vm_session, Vm_session_component>::cap;
Vm_session_component(Rpc_entrypoint &, Resources, Label const &,
Diag, Ram_allocator &ram, Region_map &);
~Vm_session_component();
using Rpc_object<Vm_session>::cap;
/**************************
** Vm session interface **
**************************/
Dataspace_capability cpu_state(void) { return _ds_cap; }
void exception_handler(Signal_context_capability handler);
void run(void);
void pause(void);
Dataspace_capability _cpu_state(Vcpu_id) { return _ds_cap; }
void _exception_handler(Signal_context_capability handler, Vcpu_id);
void _run(Vcpu_id);
void _pause(Vcpu_id);
void attach(Dataspace_capability, addr_t /* vm_addr */) {
warning("Not implemented for TrustZone case"); }
@ -78,6 +87,7 @@ class Genode::Vm_session_component : public Genode::Rpc_object<Genode::Vm_sessi
void detach(addr_t /* vm_addr */, size_t /* size */) {
warning("Not implemented for TrustZone case"); }
void _create_vcpu(Thread_capability) {}
};
#endif /* _CORE__SPEC__ARM_V7__TRUSTZONE__VM_SESSION_COMPONENT_H_ */

44
repos/base-hw/src/core/spec/arm_v7/virtualization/vm_session_component.cc
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@ -26,9 +26,9 @@ static Core_mem_allocator & cma() {
return static_cast<Core_mem_allocator&>(platform().core_mem_alloc()); }
void Vm_session_component::exception_handler(Signal_context_capability handler)
void Vm_session_component::_exception_handler(Signal_context_capability handler, Vcpu_id)
{
if (!create((void*)_ds.core_local_addr(), Capability_space::capid(handler),
if (!create(_ds_addr, Capability_space::capid(handler),
cma().phys_addr(&_table)))
Genode::warning("Cannot instantiate vm kernel object, invalid signal context?");
}
@ -93,26 +93,40 @@ void * Vm_session_component::_alloc_table()
}
Vm_session_component::Vm_session_component(Rpc_entrypoint *ds_ep,
size_t ram_quota)
: _ds_ep(ds_ep), _ds(_ds_size(), _alloc_ds(ram_quota), UNCACHED, true, 0),
_ds_cap(static_cap_cast<Dataspace>(_ds_ep->manage(&_ds))),
_table(*construct_at<Table>(_alloc_table())),
_table_array(*(new (cma()) Array([this] (void * virt) {
return (addr_t)cma().phys_addr(virt);})))
Vm_session_component::Vm_session_component(Rpc_entrypoint &ds_ep,
Resources resources,
Label const &,
Diag,
Ram_allocator &ram_alloc,
Region_map &region_map)
:
Ram_quota_guard(resources.ram_quota),
Cap_quota_guard(resources.cap_quota),
_ds_ep(&ds_ep),
_constrained_md_ram_alloc(ram_alloc, _ram_quota_guard(), _cap_quota_guard()),
_region_map(region_map),
_table(*construct_at<Table>(_alloc_table())),
_table_array(*(new (cma()) Array([this] (void * virt) {
return (addr_t)cma().phys_addr(virt);})))
{
_ds.assign_core_local_addr(core_env().rm_session()->attach(_ds_cap));
_ds_cap = _constrained_md_ram_alloc.alloc(_ds_size(), Genode::Cache_attribute::UNCACHED);
try {
_ds_addr = region_map.attach(_ds_cap);
} catch (...) {
_constrained_md_ram_alloc.free(_ds_cap);
throw;
}
}
Vm_session_component::~Vm_session_component()
{
/* dissolve VM dataspace from service entry point */
_ds_ep->dissolve(&_ds);
/* free region in allocator */
core_env().rm_session()->detach(_ds.core_local_addr());
platform().ram_alloc().free((void*)_ds.phys_addr());
if (_ds_cap.valid()) {
_region_map.detach(_ds_addr);
_constrained_md_ram_alloc.free(_ds_cap);
}
/* free guest-to-host page tables */
destroy(platform().core_mem_alloc(), &_table);

51
repos/base-hw/src/core/spec/arm_v7/virtualization/vm_session_component.h
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@ -16,13 +16,12 @@
/* Genode includes */
#include <base/allocator.h>
#include <base/rpc_server.h>
#include <base/session_object.h>
#include <vm_session/vm_session.h>
#include <dataspace/capability.h>
#include <hw/spec/arm/lpae.h>
/* Core includes */
#include <dataspace_component.h>
#include <object.h>
#include <translation_table.h>
#include <kernel/vm.h>
@ -31,8 +30,12 @@ namespace Genode {
class Vm_session_component;
}
class Genode::Vm_session_component : public Genode::Rpc_object<Genode::Vm_session>,
private Kernel_object<Kernel::Vm>
class Genode::Vm_session_component
:
private Ram_quota_guard,
private Cap_quota_guard,
public Rpc_object<Vm_session, Vm_session_component>,
private Kernel_object<Kernel::Vm>
{
private:
@ -45,42 +48,50 @@ class Genode::Vm_session_component : public Genode::Rpc_object<Genode::Vm_sessio
using Table = Hw::Level_1_stage_2_translation_table;
using Array = Table::Allocator::Array<Kernel::DEFAULT_TRANSLATION_TABLE_MAX>;
Rpc_entrypoint *_ds_ep;
Range_allocator *_ram_alloc = nullptr;
Dataspace_component _ds;
Dataspace_capability _ds_cap;
addr_t _ds_addr = 0;
Table &_table;
Array &_table_array;
Rpc_entrypoint *_ds_ep;
Constrained_ram_allocator _constrained_md_ram_alloc;
Region_map &_region_map;
Ram_dataspace_capability _ds_cap { };
Region_map::Local_addr _ds_addr { 0 };
Table &_table;
Array &_table_array;
static size_t _ds_size() {
return align_addr(sizeof(Cpu_state_modes),
get_page_size_log2()); }
addr_t _alloc_ds(size_t &ram_quota);
addr_t _alloc_ds();
void * _alloc_table();
void _attach(addr_t phys_addr, addr_t vm_addr, size_t size);
protected:
Ram_quota_guard &_ram_quota_guard() { return *this; }
Cap_quota_guard &_cap_quota_guard() { return *this; }
public:
Vm_session_component(Rpc_entrypoint *ds_ep,
size_t ram_quota);
~Vm_session_component();
using Ram_quota_guard::upgrade;
using Cap_quota_guard::upgrade;
using Rpc_object<Vm_session, Vm_session_component>::cap;
using Rpc_object<Vm_session>::cap;
Vm_session_component(Rpc_entrypoint &, Resources, Label const &,
Diag, Ram_allocator &ram, Region_map &);
~Vm_session_component();
/**************************
** Vm session interface **
**************************/
Dataspace_capability cpu_state(void) { return _ds_cap; }
void exception_handler(Signal_context_capability handler);
void run(void);
void pause(void);
Dataspace_capability _cpu_state(Vcpu_id) { return _ds_cap; }
void _exception_handler(Signal_context_capability, Vcpu_id);
void _run(Vcpu_id);
void _pause(Vcpu_id);
void attach(Dataspace_capability ds_cap, addr_t vm_addr);
void attach_pic(addr_t vm_addr);
void detach(addr_t vm_addr, size_t size);
void _create_vcpu(Thread_capability) {}
};
#endif /* _CORE__SPEC__ARM_V7__VIRTUALIZATION__VM_SESSION_COMPONENT_H_ */

10
repos/base-hw/src/core/spec/arm_v7/vm_session_component.cc
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@ -18,26 +18,24 @@
using namespace Genode;
addr_t Vm_session_component::_alloc_ds(size_t &ram_quota)
addr_t Vm_session_component::_alloc_ds()
{
addr_t addr;
if (_ds_size() > ram_quota ||
platform().ram_alloc().alloc_aligned(_ds_size(), (void**)&addr,
if (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)
void Vm_session_component::_run(Vcpu_id)
{
if (Kernel_object<Kernel::Vm>::_cap.valid())
Kernel::run_vm(kernel_object());
}
void Vm_session_component::pause(void)
void Vm_session_component::_pause(Vcpu_id)
{
if (Kernel_object<Kernel::Vm>::_cap.valid())
Kernel::pause_vm(kernel_object());

4
repos/base-hw/src/core/spec/arndale/platform_services.cc
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@ -18,6 +18,7 @@
/* core includes */
#include <platform.h>
#include <platform_services.h>
#include <core_env.h>
#include <core_service.h>
#include <map_local.h>
#include <vm_root.h>
@ -38,6 +39,7 @@ void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Hw::Mm::hypervisor_exception_vector().base, 1,
Hw::PAGE_FLAGS_KERN_TEXT);
static Vm_root vm_root(ep, sh);
static Vm_root vm_root(ep, sh, core_env().ram_allocator(),
core_env().local_rm());
static Core_service<Vm_session_component> vm_service(services, vm_root);
}

4
repos/base-hw/src/core/spec/imx53/trustzone/platform_services.cc
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@ -18,6 +18,7 @@
/* Core includes */
#include <platform.h>
#include <platform_services.h>
#include <core_env.h>
#include <core_service.h>
#include <vm_root.h>
#include <map_local.h>
@ -35,6 +36,7 @@ void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Platform::core_phys_addr((addr_t)&monitor_mode_exception_vector);
map_local(phys_base, Hw::Mm::system_exception_vector().base, 1,
Hw::PAGE_FLAGS_KERN_TEXT);
static Vm_root vm_root(ep, sliced_heap);
static Vm_root vm_root(ep, sliced_heap, core_env().ram_allocator(),
core_env().local_rm());
static Core_service<Vm_session_component> vm_service(local_services, vm_root);
}

0
repos/base-hw/src/core/spec/x86_64/muen/vm_state.h → repos/base-hw/src/core/spec/x86_64/muen/cpu/vm_state.h
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3
repos/base-hw/src/core/spec/x86_64/muen/platform_services.cc
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@ -28,7 +28,8 @@ void Genode::platform_add_local_services(Rpc_entrypoint &ep,
Sliced_heap &sliced_heap,
Registry<Service> &services)
{
static Vm_root vm_root(ep, sliced_heap);
static Vm_root vm_root(ep, sliced_heap, core_env().ram_allocator(),
core_env().local_rm());
static Core_service<Vm_session_component> vm_ls(services, vm_root);
static Io_port_root io_port_root(*core_env().pd_session(),

30
repos/base-hw/src/core/spec/x86_64/muen/vm_session_component.h
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@ -30,8 +30,11 @@ namespace Genode {
}
class Genode::Vm_session_component
: public Genode::Rpc_object<Genode::Vm_session>,
private Kernel_object<Kernel::Vm>
:
private Ram_quota_guard,
private Cap_quota_guard,
public Rpc_object<Vm_session, Vm_session_component>,
private Kernel_object<Kernel::Vm>
{
private:
@ -39,32 +42,40 @@ class Genode::Vm_session_component
public:
Vm_session_component(Rpc_entrypoint*, size_t) : _state() { }
Vm_session_component(Rpc_entrypoint &, Resources resources,
Label const &, Diag, Ram_allocator &, Region_map &)
:
Ram_quota_guard(resources.ram_quota),
Cap_quota_guard(resources.cap_quota),
_state()
{ }
~Vm_session_component() { }
using Genode::Rpc_object<Genode::Vm_session>::cap;
using Ram_quota_guard::upgrade;
using Cap_quota_guard::upgrade;
using Genode::Rpc_object<Genode::Vm_session, Vm_session_component>::cap;
/**************************
** Vm session interface **
**************************/
Dataspace_capability cpu_state(void) { return Dataspace_capability(); }
Dataspace_capability _cpu_state(Vcpu_id) { return Dataspace_capability(); }
void exception_handler(Signal_context_capability handler)
void _exception_handler(Signal_context_capability handler, Vcpu_id)
{
if (!create(&_state, Capability_space::capid(handler), nullptr))
warning("Cannot instantiate vm kernel object, "
"invalid signal context?");
}
void run(void)
void _run(Vcpu_id)
{
if (Kernel_object<Kernel::Vm>::_cap.valid())
Kernel::run_vm(kernel_object());
}
void pause(void)
void _pause(Vcpu_id)
{
if (Kernel_object<Kernel::Vm>::_cap.valid())
Kernel::pause_vm(kernel_object());
@ -73,6 +84,7 @@ class Genode::Vm_session_component
void attach(Dataspace_capability, addr_t) {}
void attach_pic(addr_t) {}
void detach(addr_t, size_t) {}
void _create_vcpu(Thread_capability) {}
};
#endif /* _CORE__SPEC__X86_64__MUEN__VM_SESSION_COMPONENT_H_ */

0
repos/base-hw/include/spec/arndale/vm_state.h → repos/base/include/spec/arndale/cpu/vm_state.h
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15
repos/base/include/vm_session/client.h
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@ -16,9 +16,10 @@
/* Genode includes */
#include <vm_session/capability.h>
#include <vm_session/handler.h>
#include <base/rpc_client.h>
namespace Genode { struct Vm_session_client; }
namespace Genode { struct Vm_session_client; class Allocator; class Vm_state; }
/**
* Client-side VM session interface
@ -36,14 +37,10 @@ struct Genode::Vm_session_client : Rpc_client<Vm_session>
** Vm_session interface **
**************************/
Dataspace_capability cpu_state() {
return call<Rpc_cpu_state>(); }
Dataspace_capability cpu_state(Vcpu_id);
void exception_handler(Signal_context_capability handler) {
call<Rpc_exception_handler>(handler); }
void run() { call<Rpc_run>(); }
void pause() { call<Rpc_pause>(); }
void run(Vcpu_id);
void pause(Vcpu_id);
void attach(Dataspace_capability ds,addr_t vm_addr) {
call<Rpc_attach>(ds, vm_addr); }
@ -53,6 +50,8 @@ struct Genode::Vm_session_client : Rpc_client<Vm_session>
void attach_pic(addr_t vm_addr) {
call<Rpc_attach_pic>(vm_addr); }
Vcpu_id create_vcpu(Allocator &, Env &, Vm_handler_base &);
};
#endif /* _INCLUDE__VM_SESSION__CLIENT_H_ */

14
repos/base/include/vm_session/connection.h
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@ -14,6 +14,7 @@
#ifndef _INCLUDE__VM_SESSION__CONNECTION_H_
#define _INCLUDE__VM_SESSION__CONNECTION_H_
#include <util/retry.h>
#include <vm_session/client.h>
#include <cpu_session/cpu_session.h>
#include <base/connection.h>
@ -65,6 +66,19 @@ struct Genode::Vm_connection : Connection<Vm_session>, Vm_session_client
Connection<Vm_session>(_session(*env_deprecated()->parent(), label, priority, affinity)),
Vm_session_client(cap())
{ }
template <typename FUNC>
auto with_upgrade(FUNC func) -> decltype(func())
{
return Genode::retry<Genode::Out_of_ram>(
[&] () {
return Genode::retry<Genode::Out_of_caps>(
[&] () { return func(); },
[&] () { this->upgrade_caps(2); });
},
[&] () { this->upgrade_ram(4096); }
);
}
};
#endif /* _INCLUDE__VM_SESSION__CONNECTION_H_ */

103
repos/base/include/vm_session/handler.h Normal file
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@ -0,0 +1,103 @@
/*
* \brief Client-side VM session exception handler
* \author Alexander Boettcher
* \date 2018-09-29
*/
/*
* Copyright (C) 2018 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 _INCLUDE__VM_SESSION__HANDLER_H_
#define _INCLUDE__VM_SESSION__HANDLER_H_
#include <base/signal.h>
namespace Genode {
class Vm_state;
class Vm_handler_base;
template <typename, typename> class Vm_handler;
}
class Genode::Vm_handler_base : public Signal_dispatcher_base
{
friend class Vm_session_client;
protected:
Rpc_entrypoint &_rpc_ep;
Signal_context_capability _cap {};
Genode::Semaphore _done { 0 };
public:
virtual bool config_vm_event(Genode::Vm_state &, unsigned) = 0;
Vm_handler_base(Rpc_entrypoint &rpc)
: _rpc_ep(rpc) { }
};
template <typename T, typename EP = Genode::Entrypoint>
class Genode::Vm_handler : public Vm_handler_base
{
private:
EP &_ep;
T &_obj;
void (T::*_member) ();
void (T::*_config) (Genode::Vm_state &, unsigned const);
/*
* Noncopyable
*/
Vm_handler(Vm_handler const &);
Vm_handler &operator = (Vm_handler const &);
public:
/**
* Constructor
*
* \param obj,member object and method to call when
* the vm exception occurs
*/
Vm_handler(EP &ep, T &obj, void (T::*member)(),
void (T::*config)(Genode::Vm_state&, unsigned) = nullptr)
:
Vm_handler_base(ep.rpc_ep()),
_ep(ep),
_obj(obj),
_member(member),
_config(config)
{
_cap = ep.manage(*this);
}
~Vm_handler() { _ep.dissolve(*this); }
/**
* Interface of Signal_dispatcher_base
*/
void dispatch(unsigned) override
{
(_obj.*_member)();
_done.up();
}
bool config_vm_event(Genode::Vm_state &state,
unsigned const vm_event) override
{
if (!_config)
return false;
(_obj.*_config)(state, vm_event);
return true;
}
operator Capability<Signal_context>() const { return _cap; }
};
#endif /* _INCLUDE__VM_SESSION__HANDLER_H_ */

39
repos/base/include/vm_session/vm_session.h
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@ -26,6 +26,8 @@ struct Genode::Vm_session : Session
{
static const char *service_name() { return "VM"; }
struct Vcpu_id { unsigned id; };
enum { CAP_QUOTA = 3 };
class Invalid_dataspace : Exception { };
@ -35,26 +37,6 @@ struct Genode::Vm_session : Session
*/
virtual ~Vm_session() { }
/**
* Get dataspace of the CPU state of the VM
*/
virtual Dataspace_capability cpu_state(void) = 0;
/**
* Register signal handler for exceptions of the Vm
*/
virtual void exception_handler(Signal_context_capability handler) = 0;
/**
* (Re-)Start execution of the VM
*/
virtual void run(void) {}
/**
* Stop execution of the VM
*/
virtual void pause(void) {}
/**
* Attach dataspace to the guest-physical memory address space
*
@ -82,24 +64,27 @@ struct Genode::Vm_session : Session
*/
virtual void attach_pic(addr_t vm_addr) = 0;
/*********************
** RPC declaration **
*********************/
GENODE_RPC(Rpc_cpu_state, Dataspace_capability, cpu_state);
GENODE_RPC(Rpc_exception_handler, void, exception_handler,
Signal_context_capability);
GENODE_RPC(Rpc_run, void, run);
GENODE_RPC(Rpc_pause, void, pause);
GENODE_RPC(Rpc_cpu_state, Dataspace_capability, _cpu_state, Vcpu_id);
GENODE_RPC(Rpc_exception_handler, void, _exception_handler,
Signal_context_capability, Vcpu_id);
GENODE_RPC(Rpc_run, void, _run, Vcpu_id);
GENODE_RPC(Rpc_pause, void, _pause, Vcpu_id);
GENODE_RPC_THROW(Rpc_attach, void, attach,
GENODE_TYPE_LIST(Invalid_dataspace),
Dataspace_capability, addr_t);
GENODE_RPC(Rpc_detach, void, detach, addr_t, size_t);
GENODE_RPC(Rpc_attach_pic, void, attach_pic, addr_t);
GENODE_RPC_THROW(Rpc_create_vcpu, void, _create_vcpu,
GENODE_TYPE_LIST(Out_of_ram, Out_of_caps),
Thread_capability);
GENODE_RPC_INTERFACE(Rpc_cpu_state, Rpc_exception_handler,
Rpc_run, Rpc_pause, Rpc_attach, Rpc_detach,
Rpc_attach_pic);
Rpc_attach_pic, Rpc_create_vcpu);
};
#endif /* _INCLUDE__VM_SESSION__VM_SESSION_H_ */

1
repos/base/lib/mk/base-common.inc
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@ -30,6 +30,7 @@ SRC_CC += stack_allocator.cc
SRC_CC += trace.cc
SRC_CC += root_proxy.cc
SRC_CC += env_session_id_space.cc
SRC_CC += vm_session.cc
INC_DIR += $(REP_DIR)/src/include $(BASE_DIR)/src/include

4
repos/base/lib/symbols/ld
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@ -171,6 +171,10 @@ _ZN6Genode17Rm_session_client6createEm T
_ZN6Genode17Rm_session_client7destroyENS_10CapabilityINS_10Region_mapEEE T
_ZN6Genode17Rm_session_clientC1ENS_10CapabilityINS_10Rm_sessionEEE T
_ZN6Genode17Rm_session_clientC2ENS_10CapabilityINS_10Rm_sessionEEE T
_ZN6Genode17Vm_session_client11create_vcpuERNS_9AllocatorERNS_3EnvERNS_15Vm_handler_baseE T
_ZN6Genode17Vm_session_client3runENS_10Vm_session7Vcpu_idE T
_ZN6Genode17Vm_session_client5pauseENS_10Vm_session7Vcpu_idE T
_ZN6Genode17Vm_session_client9cpu_stateENS_10Vm_session7Vcpu_idE T
_ZN6Genode18Allocator_avl_base10_add_blockEPNS0_5BlockEmmb T
_ZN6Genode18Allocator_avl_base10alloc_addrEmm T
_ZN6Genode18Allocator_avl_base12remove_rangeEmm T

30
repos/base/src/core/include/vm_root.h
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@ -25,12 +25,27 @@ namespace Genode { class Vm_root; }
class Genode::Vm_root : public Root_component<Vm_session_component>
{
private:
Ram_allocator &_ram_allocator;
Region_map &_local_rm;
protected:
Vm_session_component *_create_session(const char *args)
{
size_t ram_quota = Arg_string::find_arg(args, "ram_quota").ulong_value(0);
return new (md_alloc()) Vm_session_component(ep(), ram_quota);
return new (md_alloc())
Vm_session_component(*ep(),
session_resources_from_args(args),
session_label_from_args(args),
session_diag_from_args(args),
_ram_allocator, _local_rm);
}
void _upgrade_session(Vm_session_component *vm, const char *args)
{
vm->upgrade(ram_quota_from_args(args));
vm->upgrade(cap_quota_from_args(args));
}
public:
@ -41,9 +56,14 @@ class Genode::Vm_root : public Root_component<Vm_session_component>
* \param session_ep entrypoint managing vm_session components
* \param md_alloc meta-data allocator to be used by root component
*/
Vm_root(Rpc_entrypoint &session_ep,
Allocator &md_alloc)
: Root_component<Vm_session_component>(&session_ep, &md_alloc) { }
Vm_root(Rpc_entrypoint &session_ep,
Allocator &md_alloc,
Ram_allocator &ram_alloc,
Region_map &local_rm)
: Root_component<Vm_session_component>(&session_ep, &md_alloc),
_ram_allocator(ram_alloc),
_local_rm(local_rm)
{ }
};
#endif /* _CORE__INCLUDE__VM_ROOT_H_ */

41
repos/base/src/lib/base/vm_session.cc Normal file
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@ -0,0 +1,41 @@
/*
* \brief Client-side VM session interface
* \author Alexander Boettcher
* \date 2018-08-27
*/
/*
* Copyright (C) 2018 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/client.h>
using namespace Genode;
Vm_session::Vcpu_id
Vm_session_client::create_vcpu(Allocator &, Env &, Vm_handler_base &handler)
{
Vcpu_id vcpu_id { 0 };
call<Rpc_create_vcpu>(Thread_capability());
call<Rpc_exception_handler>(handler._cap, vcpu_id);
return vcpu_id;
}
void Vm_session_client::run(Vcpu_id const vcpu_id)
{
call<Rpc_run>(vcpu_id);
}
void Vm_session_client::pause(Vcpu_id const vcpu_id)
{
call<Rpc_pause>(vcpu_id);
}
Dataspace_capability Vm_session_client::cpu_state(Vcpu_id const vcpu_id)
{
return call<Rpc_cpu_state>(vcpu_id);
}

4
repos/os/src/server/tz_vmm/include/mmu.h
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@ -14,8 +14,10 @@
#ifndef _SRC__SERVER__VMM__INCLUDE__MMU_H_
#define _SRC__SERVER__VMM__INCLUDE__MMU_H_
/* base includes */
#include <cpu/vm_state.h>
/* local includes */
#include <vm_state.h>
#include <ram.h>
class Mmu

17
repos/os/src/server/tz_vmm/include/vm_base.h
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@ -20,9 +20,9 @@
#include <rom_session/connection.h>
#include <vm_session/connection.h>
#include <util/noncopyable.h>
#include <cpu/vm_state.h>
/* local includes */
#include <vm_state.h>
#include <ram.h>
namespace Genode
@ -70,8 +70,8 @@ class Genode::Vm_base : Noncopyable, Interface
Board_revision const _board;
Ram const _ram;
Vm_connection _vm { _env };
Vm_state &_state { *(Vm_state*)_env.rm()
.attach(_vm.cpu_state()) };
Vm_session::Vcpu_id _vcpu_id;
Vm_state &_state { *(Vm_state*)_env.rm().attach(_vm.cpu_state(_vcpu_id)) };
void _load_kernel();
@ -90,13 +90,12 @@ class Genode::Vm_base : Noncopyable, Interface
size_t ram_size,
off_t kernel_off,
Machine_type machine,
Board_revision board);
Board_revision board,
Allocator &alloc,
Vm_handler_base &handler);
void exception_handler(Signal_context_capability handler) {
_vm.exception_handler(handler); }
void run() { _vm.run(); }
void pause() { _vm.pause(); }
void run() { _vm.run(_vcpu_id); }
void pause() { _vm.pause(_vcpu_id); }
void start();
void dump();

6
repos/os/src/server/tz_vmm/spec/imx53/main.cc
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@ -44,7 +44,7 @@ class Main
Vm::Kernel_name const _kernel_name { "linux" };
Vm::Command_line const _cmd_line { "console=ttymxc0,115200" };
Attached_rom_dataspace _config { _env, "config" };
Signal_handler<Main> _exception_handler { _env.ep(), *this,
Vm_handler<Main> _exception_handler { _env.ep(), *this,
&Main::_handle_exception };
Heap _heap { &_env.ram(), &_env.rm() };
@ -52,7 +52,8 @@ class Main
Trustzone::NONSECURE_RAM_BASE,
Trustzone::NONSECURE_RAM_SIZE,
KERNEL_OFFSET, Machine_type(MACHINE_QSB),
Board_revision(BOARD_QSB) };
Board_revision(BOARD_QSB),
_heap, _exception_handler };
M4if _m4if { _env, Imx53::M4IF_BASE, Imx53::M4IF_SIZE };
Serial_driver _serial { _env.ram() };
Block_driver _block { _env.ep(), _config.xml(), _heap, _vm };
@ -106,7 +107,6 @@ class Main
log("Start virtual machine ...");
_m4if.set_region0(Trustzone::SECURE_RAM_BASE,
Trustzone::SECURE_RAM_SIZE);
_vm.exception_handler(_exception_handler);
_vm.start();
_vm.run();
}

8
repos/os/src/server/tz_vmm/spec/imx53_qsb/vm.h
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@ -46,8 +46,12 @@ class Genode::Vm : public Vm_base
size_t ram_sz,
off_t kernel_off,
Machine_type mach,
Board_revision board)
: Vm_base(env, kernel, cmdl, ram, ram_sz, kernel_off, mach, board) { }
Board_revision board,
Allocator &alloc,
Vm_handler_base &handler)
: Vm_base(env, kernel, cmdl, ram, ram_sz, kernel_off, mach, board,
alloc, handler)
{ }
void on_vmm_exit() { }
void on_vmm_entry() { };

8
repos/os/src/server/tz_vmm/spec/usb_armory/vm.h
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@ -50,8 +50,12 @@ class Genode::Vm : public Vm_base
size_t ram_sz,
off_t kernel_off,
Machine_type mach,
Board_revision board)
: Vm_base(env, kernel, cmdl, ram, ram_sz, kernel_off, mach, board) { }
Board_revision board,
Allocator &alloc,
Vm_handler_base &handler)
: Vm_base(env, kernel, cmdl, ram, ram_sz, kernel_off, mach, board,
alloc, handler)
{ }
void on_vmm_exit() { _led.write(true); }
void on_vmm_entry();

7
repos/os/src/server/tz_vmm/vm_base.cc
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@ -38,10 +38,13 @@ Vm_base::Vm_base(Env &env,
size_t ram_size,
off_t kernel_off,
Machine_type machine,
Board_revision board)
Board_revision board,
Allocator &alloc,
Vm_handler_base &handler)
:
_env(env), _kernel(kernel), _cmdline(cmdline), _kernel_off(kernel_off),
_machine(machine), _board(board), _ram(env, ram_base, ram_size)
_machine(machine), _board(board), _ram(env, ram_base, ram_size),
_vcpu_id(_vm.create_vcpu(alloc, env, handler))
{
_state.irq_injection = 0;
}

28
repos/os/src/server/vmm/main.cc
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@ -16,6 +16,7 @@
#include <base/attached_rom_dataspace.h>
#include <base/component.h>
#include <base/exception.h>
#include <base/heap.h>
#include <base/log.h>
#include <cpu/cpu_state.h>
#include <drivers/defs/exynos5.h>
@ -26,7 +27,7 @@
#include <util/mmio.h>
#include <vm_session/connection.h>
#include <vm_state.h>
#include <cpu/vm_state.h>
#include <board.h>
@ -119,11 +120,13 @@ class Vm {
DTB_OFFSET = 64 * 1024 * 1024,
};
Genode::Vm_connection _vm_con;
Genode::Vm_connection _vm;
Genode::Attached_rom_dataspace _kernel_rom;
Genode::Attached_rom_dataspace _dtb_rom;
Genode::Attached_ram_dataspace _vm_ram;
Ram _ram;
Genode::Heap _heap;
Genode::Vm_session::Vcpu_id _vcpu_id;
State & _state;
bool _active = true;
@ -170,20 +173,21 @@ class Vm {
Vm(const char *kernel, const char *dtb, Genode::size_t const ram_size,
Genode::Signal_context_capability sig_cap, Genode::Env & env)
: _vm_con(env),
Genode::Vm_handler_base &handler, Genode::Env & env)
: _vm(env),
_kernel_rom(env, kernel),
_dtb_rom(env, dtb),
_vm_ram(env.ram(), env.rm(), ram_size, Genode::UNCACHED),
_ram(RAM_ADDRESS, ram_size, (Genode::addr_t)_vm_ram.local_addr<void>()),
_state(*((State*)env.rm().attach(_vm_con.cpu_state())))
_heap(env.ram(), env.rm()),
_vcpu_id(_vm.create_vcpu(_heap, env, handler)),
_state(*((State*)env.rm().attach(_vm.cpu_state(_vcpu_id))))
{
Genode::log("ram is at ",
Genode::Hex(Genode::Dataspace_client(_vm_ram.cap()).phys_addr()));
_vm_con.exception_handler(sig_cap);
_vm_con.attach(_vm_ram.cap(), RAM_ADDRESS);
_vm_con.attach_pic(0x2C002000);
_vm.attach(_vm_ram.cap(), RAM_ADDRESS);
_vm.attach_pic(0x2C002000);
}
void start()
@ -209,8 +213,8 @@ class Vm {
Genode::log("ready to run");
}
void run() { if (_active) _vm_con.run(); }
void pause() { _vm_con.pause(); }
void run() { if (_active) _vm.run(_vcpu_id); }
void pause() { _vm.pause(_vcpu_id); }
void wait_for_interrupt() { _active = false; }
void interrupt() { _active = true; }
bool active() { return _active; }
@ -265,9 +269,9 @@ class Vmm
private:
template <typename T>
struct Signal_handler : Genode::Signal_handler<Signal_handler<T>>
struct Signal_handler : Genode::Vm_handler<Signal_handler<T>>
{
using Base = Genode::Signal_handler<Signal_handler<T>>;
using Base = Genode::Vm_handler<Signal_handler<T>>;
Vmm & vmm;
T & obj;