cpu: Introduce CPUNegativeOffsetState

Nothing in there so far, but all of the plumbing done
within the target ArchCPU state.

Reviewed-by: Alistair Francis <alistair.francis@wdc.com>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

1 files changed, 1 insertions, 0 deletions

diff --git a/target/m68k/cpu.h b/target/m68k/cpu.h
index 4006663494..d92263b750 100644
--- a/target/m68k/cpu.h
+++ b/target/m68k/cpu.h
@@ -160,6 +160,7 @@ struct M68kCPU {
     CPUState parent_obj;
     /*< public >*/
 
+    CPUNegativeOffsetState neg;
     CPUM68KState env;
 };