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-rw-r--r--target/arm/internals.h7
1 files changed, 6 insertions, 1 deletions
diff --git a/target/arm/internals.h b/target/arm/internals.h
index 6ca0e95746..9b354eea7e 100644
--- a/target/arm/internals.h
+++ b/target/arm/internals.h
@@ -1149,8 +1149,13 @@ bool pmsav8_mpu_lookup(CPUARMState *env, uint32_t address,
/* Cacheability and shareability attributes for a memory access */
typedef struct ARMCacheAttrs {
- unsigned int attrs:8; /* as in the MAIR register encoding */
+ /*
+ * If is_s2_format is true, attrs is the S2 descriptor bits [5:2]
+ * Otherwise, attrs is the same as the MAIR_EL1 8-bit format
+ */
+ unsigned int attrs:8;
unsigned int shareability:2; /* as in the SH field of the VMSAv8-64 PTEs */
+ bool is_s2_format:1;
} ARMCacheAttrs;
bool get_phys_addr(CPUARMState *env, target_ulong address,