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authorRichard Henderson <richard.henderson@linaro.org>2019-02-01 14:55:46 +0000
committerPeter Maydell <peter.maydell@linaro.org>2019-02-01 14:55:46 +0000
commitef682cdb4aded5c65a018e175482e875de66059d (patch)
tree7b591ddf81543290be2220ede86dc876df3d000c /target/arm/helper.c
parent4e7beb0cc0f3fb05f1c055113debaa0c7d34fc89 (diff)
downloadfocaccia-qemu-ef682cdb4aded5c65a018e175482e875de66059d.tar.gz
focaccia-qemu-ef682cdb4aded5c65a018e175482e875de66059d.zip
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>
Diffstat (limited to 'target/arm/helper.c')
-rw-r--r--target/arm/helper.c6
1 files changed, 6 insertions, 0 deletions
diff --git a/target/arm/helper.c b/target/arm/helper.c
index e6f69180ba..d070879894 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -1859,6 +1859,9 @@ static void scr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value)
     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 @@ static void hcr_write(CPUARMState *env, const ARMCPRegInfo *ri, uint64_t value)
     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;