[Qemu-devel] [PULL 03/10] target-s390: Fix STIDP

[Richard Henderson <rth@twiddle.net>]

The implementation had been incomplete, as we did not store the
machine type.  Note that the machine_type member is still unset
during initialization, so this has no effect yet.

Signed-off-by: Richard Henderson <rth@twiddle.net>
---
 target-s390x/cpu.h       | 4 +++-
 target-s390x/translate.c | 6 ++++++
 2 files changed, 9 insertions(+), 1 deletion(-)

diff --git a/target-s390x/cpu.h b/target-s390x/cpu.h
index c123b6f..2e2554c 100644
--- a/target-s390x/cpu.h
+++ b/target-s390x/cpu.h
@@ -133,7 +133,9 @@ typedef struct CPUS390XState {
 
     /* reset does memset(0) up to here */
 
-    int cpu_num;
+    uint32_t cpu_num;
+    uint32_t machine_type;
+
     uint8_t *storage_keys;
 
     uint64_t tod_offset;
diff --git a/target-s390x/translate.c b/target-s390x/translate.c
index 97137c9..0c51917 100644
--- a/target-s390x/translate.c
+++ b/target-s390x/translate.c
@@ -3262,8 +3262,14 @@ static ExitStatus op_stctl(DisasContext *s, DisasOps *o)
 
 static ExitStatus op_stidp(DisasContext *s, DisasOps *o)
 {
+    TCGv_i64 t1 = tcg_temp_new_i64();
+
     check_privileged(s);
     tcg_gen_ld32u_i64(o->out, cpu_env, offsetof(CPUS390XState, cpu_num));
+    tcg_gen_ld32u_i64(t1, cpu_env, offsetof(CPUS390XState, machine_type));
+    tcg_gen_deposit_i64(o->out, o->out, t1, 32, 32);
+    tcg_temp_free_i64(t1);
+
     return NO_EXIT;
 }
 
-- 
2.1.0