Changeset 80868140 in rtems

Timestamp:

11/29/97 17:51:27 (26 years ago)

Author:

Joel Sherrill <joel.sherrill@…>

Branches:

4.10, 4.11, 4.8, 4.9, 5, master

Children:

1670eede

Parents:

61fc72c

Message:

Patch from Chris Johns to filter out the trace bit on CPU models
which have hardware support for a separate interrupt stack.

File:

• c/src/exec/score/cpu/m68k/cpu_asm.s (modified) (1 diff)

c/src/exec/score/cpu/m68k/cpu_asm.s

@@ -199 +199 @@
         movew   #0,a0@-                  | push format word
         movel   # SYM (_ISR_Dispatch),a0@- | push return addr
-        movew   a0@(6+SR_OFFSET),a0@-    | push thread sr
+        | filter out the trace bit to stop single step debugging breaking
+        movew   a0@(6+SR_OFFSET),d0
+        andw    #0x7FFF,d0
+        movew   d0,a0@-                  | push thread sr
         movec   a0,msp                   | set master stack pointer
 #else
 
-| filter out the trace bit to stop single step debugging breaking
+        | filter out the trace bit to stop single step debugging breaking
         movew   a7@(16+SR_OFFSET),d0
         andw    #0x7FFF,d0