Fix tasking shim making wrong exeception frame

2024-03-20 11:35:27 -05:00 · 2024-03-20 11:35:27 -05:00 · e8b988f824
commit e8b988f824
parent 1449f2bdb5
1 changed files with 5 additions and 0 deletions
--- a/tasking.68k
+++ b/tasking.68k
@ -110,6 +110,11 @@ tnp_as_copy:
  rts

 tasking_um_switch_shim:
+  move.l (a7)+, a0 ; Get the target PC into a0
+  ; Push a dummy format/vector word
+  move.w #0, -(a7)
+  ; Push the PC
+  move.l a0, -(a7)
  move.w sr, d0 ; Push the SR with the supervisor bit cleared to make a "fake" exception frame
  andi.w #(~$2000), d0
  move.w d0, -(a7)