@@ -392,6 +392,17 @@ static inline uint8_t get_per_atmid(CPUS390XState *env)
((env->psw.mask & PSW_ASC_ACCREG)? (1 << 2) : 0);
}
+/* Check if an address is within the PER starting address and the PER
+ ending address. The address range might loop. */
+static inline bool get_per_in_range(CPUS390XState *env, uint64_t addr)
+{
+ if (env->cregs[10] <= env->cregs[11]) {
+ return env->cregs[10] <= addr && addr <= env->cregs[11];
+ } else {
+ return env->cregs[10] <= addr || addr <= env->cregs[11];
+ }
+}
+
#ifndef CONFIG_USER_ONLY
/* In several cases of runtime exceptions, we havn't recorded the true
instruction length. Use these codes when raising exceptions in order