diff mbox series

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

Message ID 20190129143511.12311-1-richard.henderson@linaro.org
State Superseded
Headers show
Series target/arm: Enable API, APK bits in SCR, HCR | expand

Commit Message

Richard Henderson Jan. 29, 2019, 2:35 p.m. UTC
These bits become writable with the ARMv8.3-PAuth extension.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/arm/helper.c | 6 ++++++
 1 file changed, 6 insertions(+)

-- 
2.17.2

Comments

Peter Maydell Jan. 31, 2019, 1:49 p.m. UTC | #1
On Tue, 29 Jan 2019 at 14:35, Richard Henderson
<richard.henderson@linaro.org> wrote:
>

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

>

> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

> ---

>  target/arm/helper.c | 6 ++++++

>  1 file changed, 6 insertions(+)




Applied to target-arm.next, thanks.

-- PMM
diff mbox series

Patch

diff --git a/target/arm/helper.c b/target/arm/helper.c
index 70277222da..a1a2ac7d06 100644
--- a/target/arm/helper.c
+++ b/target/arm/helper.c
@@ -1747,6 +1747,9 @@  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;
@@ -4444,6 +4447,9 @@  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;