[Qemu-devel] [PULL 20/69] target/s390x: Use unwind data for helper_unpk

[Richard Henderson]

Reviewed-by: Thomas Huth <address@hidden>
Reviewed-by: Aurelien Jarno <address@hidden>
Signed-off-by: Richard Henderson <address@hidden>
---
 target/s390x/mem_helper.c | 9 +++++----
 target/s390x/translate.c  | 1 -
 2 files changed, 5 insertions(+), 5 deletions(-)

diff --git a/target/s390x/mem_helper.c b/target/s390x/mem_helper.c
index d4ee364..0701e10 100644
--- a/target/s390x/mem_helper.c
+++ b/target/s390x/mem_helper.c
@@ -679,6 +679,7 @@ uint64_t HELPER(cksm)(CPUS390XState *env, uint64_t r1,
 void HELPER(unpk)(CPUS390XState *env, uint32_t len, uint64_t dest,
                   uint64_t src)
 {
+    uintptr_t ra = GETPC();
     int len_dest = len >> 4;
     int len_src = len & 0xf;
     uint8_t b;
@@ -688,8 +689,8 @@ void HELPER(unpk)(CPUS390XState *env, uint32_t len, 
uint64_t dest,
     src += len_src;
 
     /* last byte is special, it only flips the nibbles */
-    b = cpu_ldub_data(env, src);
-    cpu_stb_data(env, dest, (b << 4) | (b >> 4));
+    b = cpu_ldub_data_ra(env, src, ra);
+    cpu_stb_data_ra(env, dest, (b << 4) | (b >> 4), ra);
     src--;
     len_src--;
 
@@ -699,7 +700,7 @@ void HELPER(unpk)(CPUS390XState *env, uint32_t len, 
uint64_t dest,
         uint8_t cur_byte = 0;
 
         if (len_src > 0) {
-            cur_byte = cpu_ldub_data(env, src);
+            cur_byte = cpu_ldub_data_ra(env, src, ra);
         }
 
         len_dest--;
@@ -718,7 +719,7 @@ void HELPER(unpk)(CPUS390XState *env, uint32_t len, 
uint64_t dest,
         /* zone bits */
         cur_byte |= 0xf0;
 
-        cpu_stb_data(env, dest, cur_byte);
+        cpu_stb_data_ra(env, dest, cur_byte, ra);
     }
 }
 
diff --git a/target/s390x/translate.c b/target/s390x/translate.c
index 76910bc..4978f19 100644
--- a/target/s390x/translate.c
+++ b/target/s390x/translate.c
@@ -4094,7 +4094,6 @@ static ExitStatus op_trt(DisasContext *s, DisasOps *o)
 static ExitStatus op_unpk(DisasContext *s, DisasOps *o)
 {
     TCGv_i32 l = tcg_const_i32(get_field(s->fields, l1));
-    potential_page_fault(s);
     gen_helper_unpk(cpu_env, l, o->addr1, o->in2);
     tcg_temp_free_i32(l);
     return NO_EXIT;
-- 
2.9.4