Changeset 16bae52 in rtems for c/src/exec/score/cpu/sparc/cpu_asm.s

Timestamp:

08/01/96 15:06:00 (27 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

22b4b2e

Parents:

c65a0cee

Message:

added 3 nops following write to wim since a restore following it is
subject to causing unpredictable window underflow/overflows.

File:

• c/src/exec/score/cpu/sparc/cpu_asm.s (modified) (1 diff)

c/src/exec/score/cpu/sparc/cpu_asm.s

@@ -684 +684 @@
 
         wr      %l4, 0, %wim               ! WIM = new WIM
+        nop                                ! must delay after writing WIM
+        nop
+        nop
         restore                            ! now into the tasks window