diff options
| -rw-r--r-- | hw/isa/lpc_ich9.c | 10 | ||||
| -rw-r--r-- | include/hw/i386/ich9.h | 3 |
2 files changed, 12 insertions, 1 deletions
diff --git a/hw/isa/lpc_ich9.c b/hw/isa/lpc_ich9.c index 376b7801a4..ced6f803a4 100644 --- a/hw/isa/lpc_ich9.c +++ b/hw/isa/lpc_ich9.c @@ -437,7 +437,15 @@ static void ich9_apm_ctrl_changed(uint32_t val, void *arg) /* SMI_EN = PMBASE + 30. SMI control and enable register */ if (lpc->pm.smi_en & ICH9_PMIO_SMI_EN_APMC_EN) { - cpu_interrupt(current_cpu, CPU_INTERRUPT_SMI); + if (lpc->smi_negotiated_features & + (UINT64_C(1) << ICH9_LPC_SMI_F_BROADCAST_BIT)) { + CPUState *cs; + CPU_FOREACH(cs) { + cpu_interrupt(cs, CPU_INTERRUPT_SMI); + } + } else { + cpu_interrupt(current_cpu, CPU_INTERRUPT_SMI); + } } } diff --git a/include/hw/i386/ich9.h b/include/hw/i386/ich9.h index da11187271..18dcca7ebc 100644 --- a/include/hw/i386/ich9.h +++ b/include/hw/i386/ich9.h @@ -250,4 +250,7 @@ Object *ich9_lpc_find(void); #define ICH9_SMB_HST_D1 0x06 #define ICH9_SMB_HOST_BLOCK_DB 0x07 +/* bit positions used in fw_cfg SMI feature negotiation */ +#define ICH9_LPC_SMI_F_BROADCAST_BIT 0 + #endif /* HW_ICH9_H */ |