aboutsummaryrefslogtreecommitdiff
path: root/target-s390x
diff options
context:
space:
mode:
Diffstat (limited to 'target-s390x')
-rw-r--r--target-s390x/cpu.h11
1 files changed, 11 insertions, 0 deletions
diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index 7cc96e7ca3..d3137be4be 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -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