diff options
| -rw-r--r-- | hw/ppc/spapr.c | 2 | ||||
| -rw-r--r-- | hw/ppc/spapr_rtas.c | 14 | ||||
| -rw-r--r-- | include/hw/ppc/spapr.h | 3 |
3 files changed, 17 insertions, 2 deletions
diff --git a/hw/ppc/spapr.c b/hw/ppc/spapr.c index 822dea8118..d22bf54baf 100644 --- a/hw/ppc/spapr.c +++ b/hw/ppc/spapr.c @@ -1688,6 +1688,7 @@ static void spapr_machine_reset(MachineState *machine) spapr->cas_reboot = false; + spapr->fwnmi_system_reset_addr = -1; spapr->fwnmi_machine_check_addr = -1; spapr->fwnmi_machine_check_interlock = -1; @@ -2007,6 +2008,7 @@ static const VMStateDescription vmstate_spapr_fwnmi = { .needed = spapr_fwnmi_needed, .pre_save = spapr_fwnmi_pre_save, .fields = (VMStateField[]) { + VMSTATE_UINT64(fwnmi_system_reset_addr, SpaprMachineState), VMSTATE_UINT64(fwnmi_machine_check_addr, SpaprMachineState), VMSTATE_INT32(fwnmi_machine_check_interlock, SpaprMachineState), VMSTATE_END_OF_LIST() diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index 0b8c481593..521e6b0b72 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -414,6 +414,7 @@ static void rtas_ibm_nmi_register(PowerPCCPU *cpu, uint32_t nret, target_ulong rets) { hwaddr rtas_addr; + target_ulong sreset_addr, mce_addr; if (spapr_get_cap(spapr, SPAPR_CAP_FWNMI) == SPAPR_CAP_OFF) { rtas_st(rets, 0, RTAS_OUT_NOT_SUPPORTED); @@ -426,7 +427,18 @@ static void rtas_ibm_nmi_register(PowerPCCPU *cpu, return; } - spapr->fwnmi_machine_check_addr = rtas_ld(args, 1); + sreset_addr = rtas_ld(args, 0); + mce_addr = rtas_ld(args, 1); + + /* PAPR requires these are in the first 32M of memory and within RMA */ + if (sreset_addr >= 32 * MiB || sreset_addr >= spapr->rma_size || + mce_addr >= 32 * MiB || mce_addr >= spapr->rma_size) { + rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); + return; + } + + spapr->fwnmi_system_reset_addr = sreset_addr; + spapr->fwnmi_machine_check_addr = mce_addr; rtas_st(rets, 0, RTAS_OUT_SUCCESS); } diff --git a/include/hw/ppc/spapr.h b/include/hw/ppc/spapr.h index 64b83402cb..42d64a0368 100644 --- a/include/hw/ppc/spapr.h +++ b/include/hw/ppc/spapr.h @@ -194,9 +194,10 @@ struct SpaprMachineState { /* State related to FWNMI option */ - /* Machine Check Notification Routine address + /* System Reset and Machine Check Notification Routine addresses * registered by "ibm,nmi-register" RTAS call. */ + target_ulong fwnmi_system_reset_addr; target_ulong fwnmi_machine_check_addr; /* Machine Check FWNMI synchronization, fwnmi_machine_check_interlock is |