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[v4,17/24] target/arm: Add ARMFault_UnsuppAtomicUpdate

Message ID 20221011031911.2408754-18-richard.henderson@linaro.org
State Superseded
Headers show
Series target/arm: Implement FEAT_HAFDBS | expand

Commit Message

Richard Henderson Oct. 11, 2022, 3:19 a.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.

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

diff --git a/target/arm/internals.h b/target/arm/internals.h
index 76ec7ee8cc..e195d771e0 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;