kern: fix minor assembly bugs, avoid unnecessary function call in KScheduler hotloop

2021-10-28 19:16:23 -07:00
parent 92321ccbc8
commit d1f3c4904b
6 changed files with 20 additions and 16 deletions
--- a/mesosphere/kernel/source/arch/arm64/kern_k_scheduler_asm.s
+++ b/mesosphere/kernel/source/arch/arm64/kern_k_scheduler_asm.s
@@ -183,9 +183,7 @@ _ZN3ams4kern10KScheduler12ScheduleImplEv:

    /* Get the highest priority thread's context, and save it. */
    /* ams::kern::KThread::GetContextForSchedulerLoop() */
-    mov    x0, x21
-    bl     _ZN3ams4kern7KThread26GetContextForSchedulerLoopEv
-    mov    x22, x0
+    add    x22, x21, #(THREAD_THREAD_CONTEXT)

    /* Prepare to try to acquire the context lock. */
    add    x1, x22, #(THREAD_CONTEXT_LOCKED)