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[PULL,06/11] target/hppa: remove PSW I/R/Q bit check

Message ID 20190312161904.31130-7-richard.henderson@linaro.org
State Accepted
Commit b06c0618c08c96d045c99b1bc21b6ce8fbee9581
Headers show
Series target/hppa patch queue | expand

Commit Message

Richard Henderson March 12, 2019, 4:18 p.m. UTC 
From: 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>

Message-Id: <20190311191602.25796-6-svens@stackframe.org>
Reviewed-by: Richard Henderson <richard.henderson@linaro.org>

Signed-off-by: Richard Henderson <richard.henderson@linaro.org>

---
 target/hppa/op_helper.c | 5 -----
 1 file changed, 5 deletions(-)

-- 
2.17.2
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Patch

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];