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target-s390: Convert SPKA

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Signed-off-by: Richard Henderson <rth@twiddle.net>
This commit is contained in:
Richard Henderson 2012-08-24 15:55:34 -07:00
parent c4f0a863c3
commit 28d5555667
2 changed files with 10 additions and 12 deletions
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2
target-s390x/insn-data.def
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@ -640,6 +640,8 @@
C(0xb206, SCKC, S, Z, 0, m2_64, 0, 0, sckc, 0)
/* SET CPU TIMER */
C(0xb208, SPT, S, Z, 0, m2_64, 0, 0, spt, 0)
/* SET PSW KEY FROM ADDRESS */
C(0xb20a, SPKA, S, Z, 0, a2, 0, 0, spka, 0)
/* SET SYSTEM MASK */
C(0x8000, SSM, S, Z, 0, m2_8u, 0, 0, ssm, 0)
/* SIGNAL PROCESSOR */

20
target-s390x/translate.c
View File

@ -1033,18 +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 0x0a: /* SPKA D2(B2) [S] */
/* Set PSW Key from Address */
check_privileged(s);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
tmp2 = tcg_temp_new_i64();
tcg_gen_andi_i64(tmp2, psw_mask, ~PSW_MASK_KEY);
tcg_gen_shli_i64(tmp, tmp, PSW_SHIFT_KEY - 4);
tcg_gen_or_i64(psw_mask, tmp2, tmp);
tcg_temp_free_i64(tmp2);
tcg_temp_free_i64(tmp);
break;
case 0x0d: /* PTLB [S] */
/* Purge TLB */
check_privileged(s);
@ -2872,6 +2860,14 @@ static ExitStatus op_sfpc(DisasContext *s, DisasOps *o)
}
#ifndef CONFIG_USER_ONLY
static ExitStatus op_spka(DisasContext *s, DisasOps *o)
{
check_privileged(s);
tcg_gen_shri_i64(o->in2, o->in2, 4);
tcg_gen_deposit_i64(psw_mask, psw_mask, o->in2, PSW_SHIFT_KEY - 4, 4);
return NO_EXIT;
}
static ExitStatus op_ssm(DisasContext *s, DisasOps *o)
{
check_privileged(s);