diff options
Diffstat (limited to 'hw/ppc/spapr_rtas.c')
| -rw-r--r-- | hw/ppc/spapr_rtas.c | 24 |
1 files changed, 24 insertions, 0 deletions
diff --git a/hw/ppc/spapr_rtas.c b/hw/ppc/spapr_rtas.c index 43e2c684fd..dc058e512b 100644 --- a/hw/ppc/spapr_rtas.c +++ b/hw/ppc/spapr_rtas.c @@ -36,6 +36,7 @@ #include "hw/ppc/spapr.h" #include "hw/ppc/spapr_vio.h" +#include "hw/ppc/ppc.h" #include "qapi-event.h" #include "hw/boards.h" @@ -164,6 +165,27 @@ static void rtas_query_cpu_stopped_state(PowerPCCPU *cpu_, rtas_st(rets, 0, RTAS_OUT_PARAM_ERROR); } +/* + * Set the timebase offset of the CPU to that of first CPU. + * This helps hotplugged CPU to have the correct timebase offset. + */ +static void spapr_cpu_update_tb_offset(PowerPCCPU *cpu) +{ + PowerPCCPU *fcpu = POWERPC_CPU(first_cpu); + + cpu->env.tb_env->tb_offset = fcpu->env.tb_env->tb_offset; +} + +static void spapr_cpu_set_endianness(PowerPCCPU *cpu) +{ + PowerPCCPU *fcpu = POWERPC_CPU(first_cpu); + PowerPCCPUClass *pcc = POWERPC_CPU_GET_CLASS(fcpu); + + if (!pcc->interrupts_big_endian(fcpu)) { + cpu->env.spr[SPR_LPCR] |= LPCR_ILE; + } +} + static void rtas_start_cpu(PowerPCCPU *cpu_, sPAPRMachineState *spapr, uint32_t token, uint32_t nargs, target_ulong args, @@ -200,6 +222,8 @@ static void rtas_start_cpu(PowerPCCPU *cpu_, sPAPRMachineState *spapr, env->nip = start; env->gpr[3] = r3; cs->halted = 0; + spapr_cpu_set_endianness(cpu); + spapr_cpu_update_tb_offset(cpu); qemu_cpu_kick(cs); |