target-s390: Convert STCKE

Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2012-08-27 10:11:36 -07:00
parent 3d596f4912
commit 39a5003c89
4 changed files with 24 additions and 24 deletions

View file

@ -1033,15 +1033,6 @@ static void disas_b2(CPUS390XState *env, DisasContext *s, int op,
LOG_DISAS("disas_b2: op 0x%x r1 %d r2 %d\n", op, r1, r2);
switch (op) {
case 0x78: /* STCKE D2(B2) [S] */
/* Store Clock Extended */
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
potential_page_fault(s);
gen_helper_stcke(cc_op, cpu_env, tmp);
set_cc_static(s);
tcg_temp_free_i64(tmp);
break;
case 0x79: /* SACF D2(B2) [S] */
/* Set Address Space Control Fast */
check_privileged(s);
@ -2828,6 +2819,28 @@ static ExitStatus op_stck(DisasContext *s, DisasOps *o)
return NO_EXIT;
}
static ExitStatus op_stcke(DisasContext *s, DisasOps *o)
{
TCGv_i64 c1 = tcg_temp_new_i64();
TCGv_i64 c2 = tcg_temp_new_i64();
gen_helper_stck(c1, cpu_env);
/* 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
the least significant bit to 1. */
tcg_gen_shli_i64(c2, c1, 56);
tcg_gen_shri_i64(c1, c1, 8);
tcg_gen_ori_i64(c2, c2, 0x10000);
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);
/* ??? We don't implement clock states. */
gen_op_movi_cc(s, 0);
return NO_EXIT;
}
static ExitStatus op_sckc(DisasContext *s, DisasOps *o)
{
check_privileged(s);