From bbb98bd490db9e5d5eb016562f1290f9e34f05e2 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?=C3=87a=C4=9Fatay=20G=C3=BC=C3=A7l=C3=BC?=
 <33038942+defektu@users.noreply.github.com>
Date: Mon, 5 Oct 2026 02:04:41 +0300
Subject: [PATCH] hle: add BluetoothHid, DeviceService and Usbd stubs (#1031)

---
 src/libs/libBluetoothHid.cpp  | 42 +++++++++++++++++++++++++++++++++
 src/libs/libDeviceService.cpp | 36 ++++++++++++++++++++++++++++
 src/libs/libUsbd.cpp          | 44 +++++++++++++++++++++++++++++++++++
 src/libs/libs.cpp             |  6 +++++
 4 files changed, 128 insertions(+)
 create mode 100644 src/libs/libBluetoothHid.cpp
 create mode 100644 src/libs/libDeviceService.cpp
 create mode 100644 src/libs/libUsbd.cpp

diff --git a/src/libs/libBluetoothHid.cpp b/src/libs/libBluetoothHid.cpp
new file mode 100644
index 00000000..0c352f10
--- /dev/null
+++ b/src/libs/libBluetoothHid.cpp
@@ -0,0 +1,42 @@
+#include "common/abi.h"
+#include "common/logging/log.h"
+#include "libs/errno.h"
+#include "libs/libs.h"
+#include "loader/symbolDatabase.h"
+
+namespace Libs {
+
+LIB_VERSION("BluetoothHid", 1, "BluetoothHid", 1, 1);
+
+namespace BluetoothHid {
+
+static int KYTY_SYSV_ABI BluetoothHidInit() {
+	PRINT_NAME();
+
+	return OK;
+}
+
+static int KYTY_SYSV_ABI BluetoothHidRegisterDevice() {
+	PRINT_NAME();
+
+	return OK;
+}
+
+// Callback signature is unverified; the stub never invokes it.
+static int KYTY_SYSV_ABI BluetoothHidRegisterCallback(uint64_t callback_func) {
+	PRINT_NAME();
+
+	LOGF("\t callback_func = 0x%016" PRIx64 "\n", callback_func);
+
+	return OK;
+}
+
+} // namespace BluetoothHid
+
+LIB_DEFINE(InitBluetoothHid_1) {
+	LIB_FUNC("tul3-GzejQc", BluetoothHid::BluetoothHidInit);
+	LIB_FUNC("4FUZ+c52d2k", BluetoothHid::BluetoothHidRegisterDevice);
+	LIB_FUNC("4Ypfo9RIwfM", BluetoothHid::BluetoothHidRegisterCallback);
+}
+
+} // namespace Libs
diff --git a/src/libs/libDeviceService.cpp b/src/libs/libDeviceService.cpp
new file mode 100644
index 00000000..8d5165f3
--- /dev/null
+++ b/src/libs/libDeviceService.cpp
@@ -0,0 +1,36 @@
+#include "common/abi.h"
+#include "common/logging/log.h"
+#include "libs/errno.h"
+#include "libs/libs.h"
+#include "loader/symbolDatabase.h"
+
+namespace Libs {
+
+LIB_VERSION("DeviceService", 1, "Mbus", 1, 1);
+
+namespace DeviceService {
+
+static int KYTY_SYSV_ABI DeviceServiceInitialize() {
+	PRINT_NAME();
+
+	return OK;
+}
+
+static int KYTY_SYSV_ABI DeviceServiceQueryDeviceInfo(uint32_t device_handle, void* out_info) {
+	PRINT_NAME();
+
+	LOGF("\t device_handle = 0x%08" PRIx32 "\n"
+	     "\t out_info      = 0x%016" PRIx64 "\n",
+	     device_handle, reinterpret_cast<uint64_t>(out_info));
+
+	return OK;
+}
+
+} // namespace DeviceService
+
+LIB_DEFINE(InitDeviceService_1) {
+	LIB_FUNC("84fDxStrG44", DeviceService::DeviceServiceInitialize);
+	LIB_FUNC("UNMEa+5lrUA", DeviceService::DeviceServiceQueryDeviceInfo);
+}
+
+} // namespace Libs
diff --git a/src/libs/libUsbd.cpp b/src/libs/libUsbd.cpp
new file mode 100644
index 00000000..171145cf
--- /dev/null
+++ b/src/libs/libUsbd.cpp
@@ -0,0 +1,44 @@
+#include "common/abi.h"
+#include "common/threads.h"
+#include "libs/errno.h"
+#include "libs/libs.h"
+#include "loader/symbolDatabase.h"
+
+namespace Libs {
+
+LIB_VERSION("Usbd", 1, "Usbd", 1, 1);
+
+namespace Usbd {
+
+constexpr uint32_t POLL_INTERVAL_MS = 16;
+
+static int KYTY_SYSV_ABI UsbdInit() {
+	PRINT_NAME();
+
+	return OK;
+}
+
+static int KYTY_SYSV_ABI UsbdExit() {
+	PRINT_NAME();
+
+	return OK;
+}
+
+static int KYTY_SYSV_ABI UsbdHandleEventsTimeout() {
+	PRINT_NAME();
+
+	// Avoid a busy loop while USB events are unimplemented.
+	Common::Thread::SleepMicro(POLL_INTERVAL_MS * 1000);
+
+	return OK;
+}
+
+} // namespace Usbd
+
+LIB_DEFINE(InitUsbd_1) {
+	LIB_FUNC("TOhg7P6kTH4", Usbd::UsbdInit);
+	LIB_FUNC("Fq6+0Fm55xU", Usbd::UsbdExit);
+	LIB_FUNC("+wU6CGuZcWk", Usbd::UsbdHandleEventsTimeout);
+}
+
+} // namespace Libs
diff --git a/src/libs/libs.cpp b/src/libs/libs.cpp
index 02804db3..c366dadb 100644
--- a/src/libs/libs.cpp
+++ b/src/libs/libs.cpp
@@ -79,8 +79,10 @@ LIB_DEFINE(InitVideoOutVrrStatus_1);
 
 LIB_DEFINE(InitAppContent_1);
 LIB_DEFINE(InitAudio_1);
+LIB_DEFINE(InitBluetoothHid_1);
 LIB_DEFINE(InitConvertKeycode_1);
 LIB_DEFINE(InitDbgAddressSanitizer_1);
+LIB_DEFINE(InitDeviceService_1);
 LIB_DEFINE(InitDialog_1);
 LIB_DEFINE(InitFont_1);
 LIB_DEFINE(InitFontFt_1);
@@ -99,6 +101,7 @@ LIB_DEFINE(InitShare_1);
 LIB_DEFINE(InitSysmodule_1);
 LIB_DEFINE(InitSystemService_1);
 LIB_DEFINE(InitTextToSpeech2_1);
+LIB_DEFINE(InitUsbd_1);
 LIB_DEFINE(InitUserService_1);
 LIB_DEFINE(InitWebBrowserDialog_1);
 
@@ -120,6 +123,9 @@ void InitAll(Loader::SymbolDatabase* s) {
 	InitFont_1(s);
 	InitFontFt_1(s);
 	InitAgcDriver_1(s);
+	InitBluetoothHid_1(s);
+	InitDeviceService_1(s);
+	InitUsbd_1(s);
 	InitHmd2_1(s);
 	InitLibKernel_1(s);
 	LibMouse::InitMouse_1(s);