[Qemu-devel] [PATCH 05/11] target/hppa: remove PSW I/R/Q bit check

[Sven Schnelle <svens@stackframe.org>]

HP ODE use rfi to set the Q bit, and i don't see anything in the
documentation that this is forbidden. So remove it.

Signed-off-by: Sven Schnelle <svens@stackframe.org>
---
 target/hppa/op_helper.c | 5 -----
 1 file changed, 5 deletions(-)

diff --git a/target/hppa/op_helper.c b/target/hppa/op_helper.c
index a05681d480..a55a5dfc02 100644
--- a/target/hppa/op_helper.c
+++ b/target/hppa/op_helper.c
@@ -678,11 +678,6 @@ target_ureg HELPER(swap_system_mask)(CPUHPPAState *env, target_ureg nsm)
 
 void HELPER(rfi)(CPUHPPAState *env)
 {
-    /* ??? On second reading this condition simply seems
-       to be undefined rather than a diagnosed trap.  */
-    if (env->psw & (PSW_I | PSW_R | PSW_Q)) {
-        helper_excp(env, EXCP_ILL);
-    }
     env->iasq_f = (uint64_t)env->cr[CR_IIASQ] << 32;
     env->iasq_b = (uint64_t)env->cr_back[0] << 32;
     env->iaoq_f = env->cr[CR_IIAOQ];
-- 
2.20.1