diff options
| -rw-r--r-- | hw/ppc/spapr_cpu_core.c | 2 | ||||
| -rw-r--r-- | hw/ppc/spapr_rtas.c | 6 |
2 files changed, 7 insertions, 1 deletions
diff --git a/hw/ppc/spapr_cpu_core.c b/hw/ppc/spapr_cpu_core.c index f04e06cdf6..5621fb9a3d 100644 --- a/hw/ppc/spapr_cpu_core.c +++ b/hw/ppc/spapr_cpu_core.c @@ -58,9 +58,11 @@ static void spapr_cpu_reset(void *opaque) * * Disable Power-saving mode Exit Cause exceptions for the CPU, so * we don't get spurious wakups before an RTAS start-cpu call. + * For the same reason, set PSSCR_EC. */ lpcr &= ~(LPCR_VPM0 | LPCR_VPM1 | LPCR_ISL | LPCR_KBV | pcc->lpcr_pm); lpcr |= LPCR_LPES0 | LPCR_LPES1; + env->spr[SPR_PSSCR] |= PSSCR_EC; /* Set RMLS to the max (ie, 16G) */ lpcr &= ~LPCR_RMLS; diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index ee24212765..5bc1a93271 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -177,6 +177,7 @@ static void rtas_start_cpu(PowerPCCPU *callcpu, SpaprMachineState *spapr, } else { lpcr &= ~(LPCR_UPRT | LPCR_GTSE | LPCR_HR); } + env->spr[SPR_PSSCR] &= ~PSSCR_EC; } ppc_store_lpcr(newcpu, lpcr); @@ -205,8 +206,11 @@ static void rtas_stop_self(PowerPCCPU *cpu, SpaprMachineState *spapr, /* Disable Power-saving mode Exit Cause exceptions for the CPU. * This could deliver an interrupt on a dying CPU and crash the - * guest */ + * guest. + * For the same reason, set PSSCR_EC. + */ ppc_store_lpcr(cpu, env->spr[SPR_LPCR] & ~pcc->lpcr_pm); + env->spr[SPR_PSSCR] |= PSSCR_EC; cs->halted = 1; kvmppc_set_reg_ppc_online(cpu, 0); qemu_cpu_kick(cs); |