ptos: ps+hal: Add thread control block init

Signed-off-by: Chloe M <chloe@mensia.org>

service/ptos/head/ps/thread.h

@@ -10,6 +10,7 @@
 #define _PS_THREAD_H_ 1
 
 #include <ptapi/status.h>
+#include <hal/tcb.h>
 #include <ptdef.h>
 #include <queue.h>
 
@@ -22,11 +23,15 @@ struct _PROCESS;
  * processes.
  *
  * @Tid:        Thread ID
+ * @Tcb:        Thread control block
+ * @StackBase:  Execution stack base
  * @Parent:     Parent process
  * @ThreadLink: Thread queue link
  */
 typedef struct _THREAD {
     UQUAD Tid;
+    TCB Tcb;
+    UPTR StackBase;
     struct _PROCESS *Parent;
     TAILQ_ENTRY(_THREAD) ThreadLink;
 } THREAD;
@@ -36,8 +41,12 @@ typedef struct _THREAD {
  *
  * @Parent:     Parent of thread to create
  * @Flags:      Optional init flags
+ * @Ip:         Instruction pointer value to start off with
  * @Result:     Result is written here
  */
-PT_STATUS PsCreateThread(struct _PROCESS *Parent, ULONG Flags, THREAD **Result);
+PT_STATUS PsCreateThread(
+    struct _PROCESS *Parent, ULONG Flags,
+    UPTR Ip, THREAD **Result
+);
 
 #endif  /* !_PS_THREAD_H_ */