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target-s390: Convert SACF 

Signed-off-by: Richard Henderson <rth@twiddle.net>
master
Richard Henderson 2012-08-27 10:17:16 -07:00
parent 39a5003c89
commit 14244b21a0
2 changed files with 10 additions and 13 deletions
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2
target-s390x/insn-data.def
View File

@ -643,6 +643,8 @@
/* We only do 64-bit, so accept this as a no-op.
Let SAM24 and SAM31 signal illegal instruction. */
C(0x010e, SAM64, E, Z, 0, 0, 0, 0, 0, 0)
/* SET ADDRESS SPACE CONTROL FAST */
C(0xb279, SACF, S, Z, 0, a2, 0, 0, sacf, 0)
/* SET CLOCK */
/* ??? Not implemented - is it necessary? */
C(0xb204, SCK, S, Z, 0, 0, 0, 0, 0, 0)

21
target-s390x/translate.c
View File

@ -1033,19 +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 0x79: /* SACF D2(B2) [S] */
/* Set Address Space Control Fast */
check_privileged(s);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
tmp = get_address(s, 0, b2, d2);
potential_page_fault(s);
gen_helper_sacf(cpu_env, tmp);
tcg_temp_free_i64(tmp);
/* addressing mode has changed, so end the block */
s->pc = s->next_pc;
update_psw_addr(s);
s->is_jmp = DISAS_JUMP;
break;
case 0x7d: /* STSI D2,(B2) [S] */
check_privileged(s);
decode_rs(s, insn, &r1, &r3, &b2, &d2);
@ -2681,6 +2668,14 @@ static ExitStatus op_rrbe(DisasContext *s, DisasOps *o)
set_cc_static(s);
return NO_EXIT;
}
static ExitStatus op_sacf(DisasContext *s, DisasOps *o)
{
check_privileged(s);
gen_helper_sacf(cpu_env, o->in2);
/* Addressing mode has changed, so end the block. */
return EXIT_PC_STALE;
}
#endif
static ExitStatus op_sar(DisasContext *s, DisasOps *o)