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Patch queue for s390 - 2014-11-05

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Two simple bug fixes to enable slightly newer guest kernels
 and preliminary -M s390-ccw support for TCG (virtio doesn't work yet!)
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Merge remote-tracking branch 'remotes/agraf/tags/signed-s390-for-upstream' into staging

Patch queue for s390 - 2014-11-05

Two simple bug fixes to enable slightly newer guest kernels
and preliminary -M s390-ccw support for TCG (virtio doesn't work yet!)

# gpg: Signature made Wed 05 Nov 2014 11:01:55 GMT using RSA key ID 03FEDC60
# gpg: Good signature from "Alexander Graf <agraf@suse.de>"
# gpg:                 aka "Alexander Graf <alex@csgraf.de>"

* remotes/agraf/tags/signed-s390-for-upstream:
  s390x: Implement SAM{24,31,64}
  s390x: Fix sclp console input

Signed-off-by: Peter Maydell <peter.maydell@linaro.org>
This commit is contained in:
Peter Maydell 2014-11-05 14:14:47 +00:00
commit 3752ac8932
3 changed files with 15 additions and 5 deletions
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6
target-s390x/insn-data.def
View File

@ -744,9 +744,9 @@
/* SERVICE CALL LOGICAL PROCESSOR (PV hypercall) */
C(0xb220, SERVC, RRE, Z, r1_o, r2_o, 0, 0, servc, 0)
/* SET ADDRESSING MODE */
/* 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)
D(0x010c, SAM24, E, Z, 0, 0, 0, 0, sam, 0, 0)
D(0x010d, SAM31, E, Z, 0, 0, 0, 0, sam, 0, 1)
D(0x010e, SAM64, E, Z, 0, 0, 0, 0, sam, 0, 3)
/* SET ADDRESS SPACE CONTROL FAST */
C(0xb279, SACF, S, Z, 0, a2, 0, 0, sacf, 0)
/* SET CLOCK */

2
target-s390x/interrupt.c
View File

@ -22,9 +22,7 @@ void s390_sclp_extint(uint32_t parm)
kvm_s390_service_interrupt(parm);
} else {
S390CPU *dummy_cpu = s390_cpu_addr2state(0);
CPUS390XState *env = &dummy_cpu->env;
env->psw.addr += 4;
cpu_inject_ext(dummy_cpu, EXT_SERVICE, parm, 0);
}
}

12
target-s390x/translate.c
View File

@ -2925,6 +2925,18 @@ static ExitStatus op_sacf(DisasContext *s, DisasOps *o)
/* Addressing mode has changed, so end the block. */
return EXIT_PC_STALE;
}
static ExitStatus op_sam(DisasContext *s, DisasOps *o)
{
int sam = s->insn->data;
TCGv_i64 tsam = tcg_const_i64(sam);
/* Overwrite PSW_MASK_64 and PSW_MASK_32 */
tcg_gen_deposit_i64(psw_mask, psw_mask, tsam, 31, 2);
tcg_temp_free_i64(tsam);
return EXIT_PC_STALE;
}
#endif
static ExitStatus op_sar(DisasContext *s, DisasOps *o)