commit ef682cdb4aded5c65a018e175482e875de66059d
author Richard Henderson <richard.henderson@linaro.org> Fri Feb 01 14:55:46 2019 +0000
committer Peter Maydell <peter.maydell@linaro.org> Fri Feb 01 14:55:46 2019 +0000
tree 7b591ddf81543290be2220ede86dc876df3d000c
parent 4e7beb0cc0f3fb05f1c055113debaa0c7d34fc89

target/arm: Enable API, APK bits in SCR, HCR

These bits become writable with the ARMv8.3-PAuth extension.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20190129143511.12311-1-richard.henderson@linaro.org
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

target/arm/helper.c

diff --git a/target/arm/helper.c b/target/arm/helper.c
index e6f6918..d070879 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -1859,6 +1859,9 @@
     if (cpu_isar_feature(aa64_lor, cpu)) {
         valid_mask |= SCR_TLOR;
     }
+    if (cpu_isar_feature(aa64_pauth, cpu)) {
+        valid_mask |= SCR_API | SCR_APK;
+    }
 
     /* Clear all-context RES0 bits.  */
     value &= valid_mask;
@@ -4558,6 +4561,9 @@
     if (cpu_isar_feature(aa64_lor, cpu)) {
         valid_mask |= HCR_TLOR;
     }
+    if (cpu_isar_feature(aa64_pauth, cpu)) {
+        valid_mask |= HCR_API | HCR_APK;
+    }
 
     /* Clear RES0 bits.  */
     value &= valid_mask;