[PATCH 1/2] target/arm: SCR_EL3 bits 4,5 are always res0

[Richard Henderson]

These bits do not depend on whether or not el1 supports aa32.

Signed-off-by: Richard Henderson <richard.hender...@linaro.org>
---
 target/arm/helper.c | 7 ++-----
 1 file changed, 2 insertions(+), 5 deletions(-)

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 40da63913c..c262b00c3c 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -1752,11 +1752,8 @@ static void scr_write(CPUARMState *env, const 
ARMCPRegInfo *ri, uint64_t value)
     ARMCPU *cpu = env_archcpu(env);
 
     if (ri->state == ARM_CP_STATE_AA64) {
-        if (arm_feature(env, ARM_FEATURE_AARCH64) &&
-            !cpu_isar_feature(aa64_aa32_el1, cpu)) {
-                value |= SCR_FW | SCR_AW;   /* these two bits are RES1.  */
-        }
-        valid_mask &= ~SCR_NET;
+        value |= SCR_FW | SCR_AW;      /* RES1 */
+        valid_mask &= ~SCR_NET;        /* RES0 */
 
         if (cpu_isar_feature(aa64_ras, cpu)) {
             valid_mask |= SCR_TERR;
-- 
2.34.1