diff options
| author | Aurelien Jarno <aurelien@aurel32.net> | 2015-06-13 00:45:55 +0200 |
|---|---|---|
| committer | Alexander Graf <agraf@suse.de> | 2015-06-17 12:40:52 +0200 |
| commit | d453d103831c966e7920f146eb3416e43b588f89 (patch) | |
| tree | bc1dc4fc0205f23ba9c986a41b6ddeda079fd8d1 | |
| parent | a8f931a931f8866abdb2f836d0fb6fb7d2606645 (diff) | |
target-s390x: add get_per_in_range function
This function checks if an address is in between the PER starting
address and the PER ending address, taking care of a possible
address range loop.
Signed-off-by: Aurelien Jarno <aurelien@aurel32.net>
Signed-off-by: Alexander Graf <agraf@suse.de>
| -rw-r--r-- | target-s390x/cpu.h | 11 |
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 |