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Add ept translation hints

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This commit is contained in:
momo5502
2022-04-17 10:19:00 +02:00
parent 77785486ae
commit 30daca5444
7 changed files with 174 additions and 46 deletions
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12
src/driver/hypervisor.cpp
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@ -159,12 +159,12 @@ bool hypervisor::is_enabled() const
return is_hypervisor_present();
}
bool hypervisor::install_ept_hook(const void* destination, const void* source, const size_t length)
bool hypervisor::install_ept_hook(const void* destination, const void* source, const size_t length, vmx::ept_translation_hint* translation_hint)
{
volatile long failures = 0;
thread::dispatch_on_all_cores([&]()
{
if (!this->try_install_ept_hook_on_core(destination, source, length))
if (!this->try_install_ept_hook_on_core(destination, source, length, translation_hint))
{
InterlockedIncrement(&failures);
}
@ -1005,11 +1005,11 @@ void hypervisor::free_vm_states()
this->vm_state_count_ = 0;
}
bool hypervisor::try_install_ept_hook_on_core(const void* destination, const void* source, const size_t length)
bool hypervisor::try_install_ept_hook_on_core(const void* destination, const void* source, const size_t length, vmx::ept_translation_hint* translation_hint)
{
try
{
this->install_ept_hook_on_core(destination, source, length);
this->install_ept_hook_on_core(destination, source, length, translation_hint);
return true;
}
catch (std::exception& e)
@ -1024,7 +1024,7 @@ bool hypervisor::try_install_ept_hook_on_core(const void* destination, const voi
}
}
void hypervisor::install_ept_hook_on_core(const void* destination, const void* source, const size_t length)
void hypervisor::install_ept_hook_on_core(const void* destination, const void* source, const size_t length, vmx::ept_translation_hint* translation_hint)
{
auto* vm_state = this->get_current_vm_state();
if (!vm_state)
@ -1032,7 +1032,7 @@ void hypervisor::install_ept_hook_on_core(const void* destination, const void* s
throw std::runtime_error("No vm state available");
}
vm_state->ept.install_hook(destination, source, length);
vm_state->ept.install_hook(destination, source, length, translation_hint);
if (this->is_enabled())
{