From 04e0f8776c26930d7dc8015e53914b11bf1929c1 Mon Sep 17 00:00:00 2001 From: Fernando Sahmkow Date: Thu, 27 Feb 2020 19:12:41 -0400 Subject: General: Add better safety for JIT use. --- src/core/cpu_manager.cpp | 25 +++++++++++++++++++------ 1 file changed, 19 insertions(+), 6 deletions(-) (limited to 'src/core/cpu_manager.cpp') diff --git a/src/core/cpu_manager.cpp b/src/core/cpu_manager.cpp index 904aacd97..9a261968a 100644 --- a/src/core/cpu_manager.cpp +++ b/src/core/cpu_manager.cpp @@ -46,6 +46,11 @@ void CpuManager::GuestThreadFunction(void* cpu_manager_) { cpu_manager->RunGuestThread(); } +void CpuManager::GuestRewindFunction(void* cpu_manager_) { + CpuManager* cpu_manager = static_cast(cpu_manager_); + cpu_manager->RunGuestLoop(); +} + void CpuManager::IdleThreadFunction(void* cpu_manager_) { CpuManager* cpu_manager = static_cast(cpu_manager_); cpu_manager->RunIdleThread(); @@ -78,14 +83,22 @@ void CpuManager::RunGuestThread() { auto& sched = kernel.CurrentScheduler(); sched.OnThreadStart(); } + RunGuestLoop(); +} + +void CpuManager::RunGuestLoop() { + auto& kernel = system.Kernel(); + auto* thread = kernel.CurrentScheduler().GetCurrentThread(); + auto host_context = thread->GetHostContext(); + host_context->SetRewindPoint(std::function(GuestRewindFunction), this); + host_context.reset(); while (true) { - auto* physical_core = &kernel.CurrentPhysicalCore(); - while (!physical_core->IsInterrupted()) { - physical_core->Run(); - physical_core = &kernel.CurrentPhysicalCore(); + auto& physical_core = kernel.CurrentPhysicalCore(); + while (!physical_core.IsInterrupted()) { + physical_core.Run(); } - physical_core->ClearExclusive(); - auto& scheduler = physical_core->Scheduler(); + physical_core.ClearExclusive(); + auto& scheduler = physical_core.Scheduler(); scheduler.TryDoContextSwitch(); } } -- cgit v1.2.3