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s390x/tcg: indicate value of TODPR in STCKE 

We were not yet using the value of the TOD Programmable Register.

Reviewed-by: Thomas Huth <thuth@redhat.com>
Signed-off-by: David Hildenbrand <david@redhat.com>
Message-Id: <20171208160207.26494-5-david@redhat.com>
Signed-off-by: Cornelia Huck <cohuck@redhat.com>
master
David Hildenbrand 2017-12-08 17:01:57 +01:00 committed by Cornelia Huck
parent 257a119ee3
commit a63b7cbf88
1 changed files with 5 additions and 0 deletions
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5
target/s390x/translate.c
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@ -3897,7 +3897,10 @@ static ExitStatus op_stcke(DisasContext *s, DisasOps *o)
{
TCGv_i64 c1 = tcg_temp_new_i64();
TCGv_i64 c2 = tcg_temp_new_i64();
TCGv_i64 todpr = tcg_temp_new_i64();
gen_helper_stck(c1, cpu_env);
/* 16 bit value store in an uint32_t (only valid bits set) */
tcg_gen_ld32u_i64(todpr, cpu_env, offsetof(CPUS390XState, todpr));
/* Shift the 64-bit value into its place as a zero-extended
104-bit value. Note that "bit positions 64-103 are always
non-zero so that they compare differently to STCK"; we set
@ -3905,11 +3908,13 @@ static ExitStatus op_stcke(DisasContext *s, DisasOps *o)
tcg_gen_shli_i64(c2, c1, 56);
tcg_gen_shri_i64(c1, c1, 8);
tcg_gen_ori_i64(c2, c2, 0x10000);
tcg_gen_or_i64(c2, c2, todpr);
tcg_gen_qemu_st64(c1, o->in2, get_mem_index(s));
tcg_gen_addi_i64(o->in2, o->in2, 8);
tcg_gen_qemu_st64(c2, o->in2, get_mem_index(s));
tcg_temp_free_i64(c1);
tcg_temp_free_i64(c2);
tcg_temp_free_i64(todpr);
/* ??? We don't implement clock states. */
gen_op_movi_cc(s, 0);
return NO_EXIT;