target-arm: Implement ARMv8 MVFR registers

For ARMv8 there are two changes to the MVFR media feature registers:
 * there is a new MVFR2 which is accessible from 32 bit code
 * 64 bit code accesses these via the usual sysreg instructions
   rather than with a floating-point specific instruction

Implement this.

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Peter Crosthwaite <peter.crosthwaite@xilinx.com>

1 files changed, 1 insertions, 0 deletions

diff --git a/target-arm/cpu-qom.h b/target-arm/cpu-qom.h
index afdee9d683..2b6b3708f8 100644
--- a/target-arm/cpu-qom.h
+++ b/target-arm/cpu-qom.h
@@ -116,6 +116,7 @@ typedef struct ARMCPU {
     uint32_t reset_fpsid;
     uint32_t mvfr0;
     uint32_t mvfr1;
+    uint32_t mvfr2;
     uint32_t ctr;
     uint32_t reset_sctlr;
     uint32_t id_pfr0;