Implement svcGetDebugThreadParam

nx/include/switch/kernel/svc.h

@@ -131,6 +131,15 @@ typedef enum {
     ProcessState_DebugSuspended=7, ///<Process execution suspended by debugger.
 } ProcessState;
 
+/// Debug Thread Parameters.
+typedef enum {
+    DebugThreadParam_ActualPriority=0,
+    DebugThreadParam_State=1,
+    DebugThreadParam_IdealCore=2,
+    DebugThreadParam_CurrentCore=3,
+    DebugThreadParam_CoreMask=4,
+} DebugThreadParam;
+
 ///@name Memory management
 ///@{
 
@@ -862,6 +871,14 @@ Result svcReadDebugProcessMemory(void* buffer, Handle debug, u64 addr, u64 size)
  */
 Result svcWriteDebugProcessMemory(Handle debug, void* buffer, u64 addr, u64 size);
 
+/**
+ * @brief Gets parameters from a thread in a debugging session.
+ * @return Result code.
+ * @note Syscall number 0x6D.
+ * @warning This is a privileged syscall. Use \ref envIsSyscallHinted to check if it is available.
+ */
+Result svcGetDebugThreadParam(u64* out_64, u32* out_32, Handle debug, u64 threadID, DebugThreadParam param);
+
 ///@}
 
 ///@name Miscellaneous

nx/source/kernel/svc.s

@@ -468,6 +468,15 @@ SVC_BEGIN svcWriteDebugProcessMemory
 	ret
 SVC_END
 
+SVC_BEGIN svcGetDebugThreadParam
+	stp x0, x1, [sp, #-16]!
+	svc 0x6D
+	ldp x3, x4, [sp], #16
+	str x1, [x3]
+	str w2, [x4]
+	ret
+SVC_END
+
 SVC_BEGIN svcGetSystemInfo
 	str x0, [sp, #-16]!
 	svc 0x6F