From ff3c7c068b926399513bf7328c22e224ab0b53d6 Mon Sep 17 00:00:00 2001
From: bunnei <bunneidev@gmail.com>
Date: Sun, 31 Jan 2021 01:38:57 -0800
Subject: hle: kernel: Reimplement KReadableEvent and KWritableEvent.

---
 src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp |  8 ++++----
 src/core/hle/service/nvdrv/nvdrv.cpp               | 10 ++++++----
 src/core/hle/service/nvdrv/nvdrv.h                 |  8 ++++++--
 3 files changed, 16 insertions(+), 10 deletions(-)

(limited to 'src/core/hle/service/nvdrv')

diff --git a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
index 695e2fb10..f6129ef10 100644
--- a/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
+++ b/src/core/hle/service/nvdrv/devices/nvhost_ctrl.cpp
@@ -8,7 +8,7 @@
 #include "common/assert.h"
 #include "common/logging/log.h"
 #include "core/core.h"
-#include "core/hle/kernel/k_readable_event.h"
+#include "core/hle/kernel/k_event.h"
 #include "core/hle/kernel/k_writable_event.h"
 #include "core/hle/service/nvdrv/devices/nvhost_ctrl.h"
 #include "video_core/gpu.h"
@@ -103,14 +103,14 @@ NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector
     // This is mostly to take into account unimplemented features. As synced
     // gpu is always synced.
     if (!gpu.IsAsync()) {
-        event.event.writable->Signal();
+        event.event->GetWritableEvent()->Signal();
         return NvResult::Success;
     }
     auto lock = gpu.LockSync();
     const u32 current_syncpoint_value = event.fence.value;
     const s32 diff = current_syncpoint_value - params.threshold;
     if (diff >= 0) {
-        event.event.writable->Signal();
+        event.event->GetWritableEvent()->Signal();
         params.value = current_syncpoint_value;
         std::memcpy(output.data(), &params, sizeof(params));
         return NvResult::Success;
@@ -137,7 +137,7 @@ NvResult nvhost_ctrl::IocCtrlEventWait(const std::vector<u8>& input, std::vector
             params.value = ((params.syncpt_id & 0xfff) << 16) | 0x10000000;
         }
         params.value |= event_id;
-        event.event.writable->Clear();
+        event.event->GetWritableEvent()->Clear();
         gpu.RegisterSyncptInterrupt(params.syncpt_id, target_value);
         std::memcpy(output.data(), &params, sizeof(params));
         return NvResult::Timeout;
diff --git a/src/core/hle/service/nvdrv/nvdrv.cpp b/src/core/hle/service/nvdrv/nvdrv.cpp
index b6c4c85e0..abba80112 100644
--- a/src/core/hle/service/nvdrv/nvdrv.cpp
+++ b/src/core/hle/service/nvdrv/nvdrv.cpp
@@ -7,6 +7,7 @@
 #include <fmt/format.h>
 #include "core/core.h"
 #include "core/hle/ipc_helpers.h"
+#include "core/hle/kernel/k_event.h"
 #include "core/hle/kernel/k_readable_event.h"
 #include "core/hle/kernel/k_writable_event.h"
 #include "core/hle/service/nvdrv/devices/nvdevice.h"
@@ -42,7 +43,8 @@ Module::Module(Core::System& system) : syncpoint_manager{system.GPU()} {
     auto& kernel = system.Kernel();
     for (u32 i = 0; i < MaxNvEvents; i++) {
         std::string event_label = fmt::format("NVDRV::NvEvent_{}", i);
-        events_interface.events[i] = {Kernel::KWritableEvent::CreateEventPair(kernel, event_label)};
+        events_interface.events[i] = {Kernel::KEvent::Create(kernel, std::move(event_label))};
+        events_interface.events[i].event->Initialize();
         events_interface.status[i] = EventState::Free;
         events_interface.registered[i] = false;
     }
@@ -166,17 +168,17 @@ void Module::SignalSyncpt(const u32 syncpoint_id, const u32 value) {
         if (events_interface.assigned_syncpt[i] == syncpoint_id &&
             events_interface.assigned_value[i] == value) {
             events_interface.LiberateEvent(i);
-            events_interface.events[i].event.writable->Signal();
+            events_interface.events[i].event->GetWritableEvent()->Signal();
         }
     }
 }
 
 std::shared_ptr<Kernel::KReadableEvent> Module::GetEvent(const u32 event_id) const {
-    return events_interface.events[event_id].event.readable;
+    return events_interface.events[event_id].event->GetReadableEvent();
 }
 
 std::shared_ptr<Kernel::KWritableEvent> Module::GetEventWriteable(const u32 event_id) const {
-    return events_interface.events[event_id].event.writable;
+    return events_interface.events[event_id].event->GetWritableEvent();
 }
 
 } // namespace Service::Nvidia
diff --git a/src/core/hle/service/nvdrv/nvdrv.h b/src/core/hle/service/nvdrv/nvdrv.h
index 0d638e521..53719aadd 100644
--- a/src/core/hle/service/nvdrv/nvdrv.h
+++ b/src/core/hle/service/nvdrv/nvdrv.h
@@ -7,8 +7,8 @@
 #include <memory>
 #include <unordered_map>
 #include <vector>
+
 #include "common/common_types.h"
-#include "core/hle/kernel/k_writable_event.h"
 #include "core/hle/service/nvdrv/nvdata.h"
 #include "core/hle/service/nvdrv/syncpoint_manager.h"
 #include "core/hle/service/service.h"
@@ -17,6 +17,10 @@ namespace Core {
 class System;
 }
 
+namespace Kernel {
+class KEvent;
+}
+
 namespace Service::NVFlinger {
 class NVFlinger;
 }
@@ -31,7 +35,7 @@ class nvdevice;
 
 /// Represents an Nvidia event
 struct NvEvent {
-    Kernel::EventPair event;
+    std::shared_ptr<Kernel::KEvent> event;
     Fence fence{};
 };
 
-- 
cgit v1.2.3