target/arm64: kvm debug set target_el when passing exception to guest

When we are debugging the guest all exceptions come our way but might
be for the guest's own debug exceptions. We use the ->do_interrupt()
infrastructure to inject the exception into the guest. However, we are
missing a full setup of the exception structure, causing an assert
later down the line.

Signed-off-by: Alex Bennée <alex.bennee@linaro.org>
Reviewed-by: Peter Maydell <peter.maydell@linaro.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>
Message-id: 20181109152119.9242-4-alex.bennee@linaro.org
Signed-off-by: Peter Maydell <peter.maydell@linaro.org>

diff --git a/target/arm/kvm64.c b/target/arm/kvm64.c
index c39150e..46fbe6d 100644 (file)
--- a/target/arm/kvm64.c
+++ b/target/arm/kvm64.c
@@ -1000,6 +1000,7 @@ bool kvm_arm_handle_debug(CPUState *cs, struct kvm_debug_exit_arch *debug_exit)
     cs->exception_index = EXCP_BKPT;
     env->exception.syndrome = debug_exit->hsr;
     env->exception.vaddress = debug_exit->far;
+    env->exception.target_el = 1;
     qemu_mutex_lock_iothread();
     cc->do_interrupt(cs);
     qemu_mutex_unlock_iothread();