Can't use DAIF in usermode (duh), TODO: refactor it's usage in REGS

TUD-OS · Oct 7, 2020 · 9650164 · 9650164
1 parent ca57c0a
commit 9650164
Showing 1 changed file with 0 additions and 2 deletions.
diff --git a/src/libs/thread/isa/aarch64/ThreadSwitch.S b/src/libs/thread/isa/aarch64/ThreadSwitch.S
@@ -13,7 +13,6 @@ BEGIN_FUNC(thread_save)
     stp     x22, x23, [x0, #4 * 8]
     stp     x20, x21, [x0, #2 * 8]
     stp      x1, x19, [x0, #0 * 8]
-    mrs      x1,DAIF
     mrs      x2,NZCV
     stp      x1,  x2, [x0, #14 * 8]
     mov      x0,  #0
@@ -24,7 +23,6 @@ END_FUNC(thread_save)
 # bool thread_resume(m3::Thread::Regs *regs);
 BEGIN_FUNC(thread_resume)
     ldp       x1,  x2, [x0, #14 * 8]
-    msr     DAIF,  x1
     msr     NZCV,  x2
     ldp      x30,  x3, [x0, #12 * 8]
     mov       sp,  x3