HID: Implemented HID_User::GetIPCHandles service function.

src/core/hle/service/hid.cpp

@@ -5,6 +5,8 @@
 #include "common/log.h"
 
 #include "core/hle/hle.h"
+#include "core/hle/kernel/event.h"
+#include "core/hle/kernel/shared_memory.h"
 #include "core/hle/service/hid.h"
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
@@ -12,18 +14,50 @@
 
 namespace HID_User {
 
+Handle g_shared_mem = 0; ///< Handle to shared memory region designated to HID_User service
+
+/**
+ * HID_User::GetIPCHandles service function
+ *  Inputs:
+ *      None
+ *  Outputs:
+ *      1 : Result of function, 0 on success, otherwise error code
+ *      2 : Unused
+ *      3 : Handle to HID_User shared memory
+ *      4 : Event signaled by HID_User
+ *      5 : Event signaled by HID_User
+ *      6 : Event signaled by HID_User
+ *      7 : Gyroscope event
+ *      8 : Event signaled by HID_User
+ */
+void GetIPCHandles(Service::Interface* self) {
+    u32* cmd_buff = Service::GetCommandBuffer();
+
+    cmd_buff[1] = 0; // No error
+    cmd_buff[3] = g_shared_mem;
+    cmd_buff[4] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventA");
+    cmd_buff[5] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventB");
+    cmd_buff[6] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventC");
+    cmd_buff[7] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventGyroscope");
+    cmd_buff[8] = Kernel::CreateEvent(RESETTYPE_ONESHOT, "HID_User:EventD");
+
+    DEBUG_LOG(KERNEL, "called");
+}
+
 const Interface::FunctionInfo FunctionTable[] = {
-    {0x000A0000, nullptr, "GetIPCHandles"},
-    {0x00110000, nullptr, "EnableAccelerometer"},
-    {0x00130000, nullptr, "EnableGyroscopeLow"},
-    {0x00150000, nullptr, "GetGyroscopeLowRawToDpsCoefficient"},
-    {0x00160000, nullptr, "GetGyroscopeLowCalibrateParam"},
+    {0x000A0000, GetIPCHandles, "GetIPCHandles"},
+    {0x00110000, nullptr,       "EnableAccelerometer"},
+    {0x00130000, nullptr,       "EnableGyroscopeLow"},
+    {0x00150000, nullptr,       "GetGyroscopeLowRawToDpsCoefficient"},
+    {0x00160000, nullptr,       "GetGyroscopeLowCalibrateParam"},
 };
 
 ////////////////////////////////////////////////////////////////////////////////////////////////////
 // Interface class
 
 Interface::Interface() {
+    g_shared_mem = Kernel::CreateSharedMemory("HID_User:SharedMem"); // Create shared memory object
+
     Register(FunctionTable, ARRAY_SIZE(FunctionTable));
 }