diff options
Diffstat (limited to 'target/arm/op_helper.c')
-rw-r--r-- | target/arm/op_helper.c | 15 |
1 files changed, 15 insertions, 0 deletions
diff --git a/target/arm/op_helper.c b/target/arm/op_helper.c index c4bd668..97c8c9e 100644 --- a/target/arm/op_helper.c +++ b/target/arm/op_helper.c @@ -28,6 +28,21 @@ #define SIGNBIT (uint32_t)0x80000000 #define SIGNBIT64 ((uint64_t)1 << 63) +int exception_target_el(CPUARMState *env) +{ + int target_el = MAX(1, arm_current_el(env)); + + /* + * No such thing as secure EL1 if EL3 is aarch32, + * so update the target EL to EL3 in this case. + */ + if (arm_is_secure(env) && !arm_el_is_aa64(env, 3) && target_el == 1) { + target_el = 3; + } + + return target_el; +} + void raise_exception(CPUARMState *env, uint32_t excp, uint32_t syndrome, uint32_t target_el) { |