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[Qemu-devel] [PATCH v1 4/6] s390x/tcg: make stora(g) use the new _real m


From: David Hildenbrand
Subject: [Qemu-devel] [PATCH v1 4/6] s390x/tcg: make stora(g) use the new _real mmu
Date: Tue, 26 Sep 2017 20:33:16 +0200

As we properly handle the return address now, we can drop
potential_page_fault().

Signed-off-by: David Hildenbrand <address@hidden>
---
 target/s390x/mem_helper.c | 8 ++------
 target/s390x/translate.c  | 2 --
 2 files changed, 2 insertions(+), 8 deletions(-)

diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index f8525e05b3..34ffc282bf 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -1985,9 +1985,7 @@ uint64_t HELPER(lurag)(CPUS390XState *env, uint64_t addr)
 /* store using real address */
 void HELPER(stura)(CPUS390XState *env, uint64_t addr, uint64_t v1)
 {
-    CPUState *cs = CPU(s390_env_get_cpu(env));
-
-    stl_phys(cs->as, wrap_address(env, addr), (uint32_t)v1);
+    cpu_stl_real_ra(env, wrap_address(env, addr), (uint32_t)v1, GETPC());
 
     if ((env->psw.mask & PSW_MASK_PER) &&
         (env->cregs[9] & PER_CR9_EVENT_STORE) &&
@@ -2000,9 +1998,7 @@ void HELPER(stura)(CPUS390XState *env, uint64_t addr, 
uint64_t v1)
 
 void HELPER(sturg)(CPUS390XState *env, uint64_t addr, uint64_t v1)
 {
-    CPUState *cs = CPU(s390_env_get_cpu(env));
-
-    stq_phys(cs->as, wrap_address(env, addr), v1);
+    cpu_stq_real_ra(env, wrap_address(env, addr), v1, GETPC());
 
     if ((env->psw.mask & PSW_MASK_PER) &&
         (env->cregs[9] & PER_CR9_EVENT_STORE) &&
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index d0ce14d120..ee93fce482 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -4063,7 +4063,6 @@ static ExitStatus op_stnosm(DisasContext *s, DisasOps *o)
 static ExitStatus op_stura(DisasContext *s, DisasOps *o)
 {
     check_privileged(s);
-    potential_page_fault(s);
     gen_helper_stura(cpu_env, o->in2, o->in1);
     return NO_EXIT;
 }
@@ -4071,7 +4070,6 @@ static ExitStatus op_stura(DisasContext *s, DisasOps *o)
 static ExitStatus op_sturg(DisasContext *s, DisasOps *o)
 {
     check_privileged(s);
-    potential_page_fault(s);
     gen_helper_sturg(cpu_env, o->in2, o->in1);
     return NO_EXIT;
 }
-- 
2.13.5




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