ptos/amd64: context: Assign NextTcb before usage

Signed-off-by: Chloe M. <chloe@mensia.org>
2026-07-15 20:48:08 +00:00
parent e65a6dc799
commit e00249b958
1 changed files with 1 additions and 1 deletions
@@ -59,6 +59,7 @@ HalContextSwitch(TRAP_FRAME *Frame)
    HalMmuWriteVas(&NextParent->Vas);

    /* Update the task state segment with kstack */
+    NextTcb = &NextThread->Tcb;
    if (ISSET(NextParent->Flags, PS_USER)) {
        KStackTop = NextTcb->KStackBase + NextTcb->KStackLength;
        Tss = Mcb->Tss;
@@ -68,7 +69,6 @@ HalContextSwitch(TRAP_FRAME *Frame)

    /* Context switch here */
    Kpcr->CurrentThread = NextThread;
-    NextTcb = &NextThread->Tcb;
    RtlMemCpy(Frame, &NextTcb->FrameSnapshot, sizeof(*Frame));
    HalPrimeThreadTimer(SCHED_MIN_QUANTUM);
 }