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/riscv/cpu.h b/target/riscv/cpu.h
index d9611ea..0ed7031 100644
--- a/target/riscv/cpu.h
+++ b/target/riscv/cpu.h
@@ -210,6 +210,7 @@ typedef struct RISCVCPU {
     /*< private >*/
     CPUState parent_obj;
     /*< public >*/
+    CPUNegativeOffsetState neg;
     CPURISCVState env;
 
     /* Configuration Settings */