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spapr: Consolidate cpu init code into a routine 

Factor out bits of sPAPR specific CPU initialization code into
a separate routine so that it can be called from CPU hotplug
path too.

Signed-off-by: Bharata B Rao <bharata@linux.vnet.ibm.com>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
Signed-off-by: Alexander Graf <agraf@suse.de>
This commit is contained in:
Bharata B Rao 2015-07-02 16:23:18 +10:00 committed by Alexander Graf
parent 0da6f3fef9
commit bab99ea098
1 changed files with 29 additions and 25 deletions
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54
hw/ppc/spapr.c
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@ -1408,6 +1408,34 @@ static void spapr_boot_set(void *opaque, const char *boot_device,
machine->boot_order = g_strdup(boot_device); machine->boot_order = g_strdup(boot_device);
} }
static void spapr_cpu_init(sPAPRMachineState *spapr, PowerPCCPU *cpu)
{
CPUPPCState *env = &cpu->env;
/* Set time-base frequency to 512 MHz */
cpu_ppc_tb_init(env, TIMEBASE_FREQ);
/* PAPR always has exception vectors in RAM not ROM. To ensure this,
* MSR[IP] should never be set.
*/
env->msr_mask &= ~(1 << 6);
/* Tell KVM that we're in PAPR mode */
if (kvm_enabled()) {
kvmppc_set_papr(cpu);
}
if (cpu->max_compat) {
if (ppc_set_compat(cpu, cpu->max_compat) < 0) {
exit(1);
}
}
xics_cpu_setup(spapr->icp, cpu);
qemu_register_reset(spapr_cpu_reset, cpu);
}
/* pSeries LPAR / sPAPR hardware init */ /* pSeries LPAR / sPAPR hardware init */
static void ppc_spapr_init(MachineState *machine) static void ppc_spapr_init(MachineState *machine)
{ {
@ -1417,7 +1445,6 @@ static void ppc_spapr_init(MachineState *machine)
const char *kernel_cmdline = machine->kernel_cmdline; const char *kernel_cmdline = machine->kernel_cmdline;
const char *initrd_filename = machine->initrd_filename; const char *initrd_filename = machine->initrd_filename;
PowerPCCPU *cpu; PowerPCCPU *cpu;
CPUPPCState *env;
PCIHostState *phb; PCIHostState *phb;
int i; int i;
MemoryRegion *sysmem = get_system_memory(); MemoryRegion *sysmem = get_system_memory();
@ -1502,30 +1529,7 @@ static void ppc_spapr_init(MachineState *machine)
fprintf(stderr, "Unable to find PowerPC CPU definition\n"); fprintf(stderr, "Unable to find PowerPC CPU definition\n");
exit(1); exit(1);
} }
env = &cpu->env; spapr_cpu_init(spapr, cpu);
/* Set time-base frequency to 512 MHz */
cpu_ppc_tb_init(env, TIMEBASE_FREQ);
/* PAPR always has exception vectors in RAM not ROM. To ensure this,
* MSR[IP] should never be set.
*/
env->msr_mask &= ~(1 << 6);
/* Tell KVM that we're in PAPR mode */
if (kvm_enabled()) {
kvmppc_set_papr(cpu);
}
if (cpu->max_compat) {
if (ppc_set_compat(cpu, cpu->max_compat) < 0) {
exit(1);
}
}
xics_cpu_setup(spapr->icp, cpu);
qemu_register_reset(spapr_cpu_reset, cpu);
} }
if (kvm_enabled()) { if (kvm_enabled()) {