diff mbox series

[v3,36/42] target/arm: Add ARMFault_UnsuppAtomicUpdate

Message ID 20221001162318.153420-37-richard.henderson@linaro.org
State Superseded
Headers show
Series target/arm: Implement FEAT_HAFDBS | expand

Commit Message

Richard Henderson Oct. 1, 2022, 4:23 p.m. UTC 
This fault type is to be used with FEAT_HAFDBS when
the guest enables hw updates, but places the tables
in memory where atomic updates are unsupported.

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
---
 target/arm/internals.h | 4 ++++
 1 file changed, 4 insertions(+)

Comments

Peter Maydell Oct. 7, 2022, 9:36 a.m. UTC | #1 
On Sat, 1 Oct 2022 at 17:47, Richard Henderson
<richard.henderson@linaro.org> wrote:
>
> This fault type is to be used with FEAT_HAFDBS when
> the guest enables hw updates, but places the tables
> in memory where atomic updates are unsupported.
>
> Signed-off-by: Richard Henderson <richard.henderson@linaro.org>
> ---
>  target/arm/internals.h | 4 ++++
>  1 file changed, 4 insertions(+)

Reviewed-by: Peter Maydell <peter.maydell@linaro.org>

thanks
-- PMM
diff mbox series

Patch

diff --git a/target/arm/internals.h b/target/arm/internals.h
index e95b6b1b8f..4a2b1ec31c 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -338,6 +338,7 @@  typedef enum ARMFaultType {
     ARMFault_AsyncExternal,
     ARMFault_Debug,
     ARMFault_TLBConflict,
+    ARMFault_UnsuppAtomicUpdate,
     ARMFault_Lockdown,
     ARMFault_Exclusive,
     ARMFault_ICacheMaint,
@@ -524,6 +525,9 @@  static inline uint32_t arm_fi_to_lfsc(ARMMMUFaultInfo *fi)
     case ARMFault_TLBConflict:
         fsc = 0x30;
         break;
+    case ARMFault_UnsuppAtomicUpdate:
+        fsc = 0x31;
+        break;
     case ARMFault_Lockdown:
         fsc = 0x34;
         break;