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ppc/spapr: Add FWNMI machine check delivery warnings

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Add some messages which explain problems and guest misbehaviour that
may be difficult to diagnose in rare cases of machine checks.

Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
Message-Id: <20200325142906.221248-4-npiggin@gmail.com>
Reviewed-by: Greg Kurz <groug@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Nicholas Piggin 2020-03-26 00:29:05 +10:00 • committed by David Gibson
parent 6c3dd24c05
commit b90b9ecb12
2 changed files with 7 additions and 0 deletions
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3
hw/ppc/spapr_rtas.c
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@ -462,6 +462,9 @@ static void rtas_ibm_nmi_interlock(PowerPCCPU *cpu,
}
if (spapr->fwnmi_machine_check_addr == -1) {
qemu_log_mask(LOG_GUEST_ERROR,
"FWNMI: ibm,nmi-interlock RTAS called with FWNMI not registered.\n");
/* NMI register not called */
rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR);
return;