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ppc/pnv: Add big-core machine property 

Big-core implementation is complete, so expose it as a machine
property that may be set with big-core=on option on powernv9 and
powernv10 machines.

Reviewed-by: Cédric Le Goater <clg@redhat.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
This commit is contained in:
Nicholas Piggin 2024-06-18 12:45:34 +10:00
parent 78be321894
commit b1beb69231
1 changed files with 45 additions and 16 deletions
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61
hw/ppc/pnv.c
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@ -2581,6 +2581,34 @@ static int pnv10_xive_match_nvt(XiveFabric *xfb, uint8_t format,
return total_count;
}
static bool pnv_machine_get_big_core(Object *obj, Error **errp)
{
PnvMachineState *pnv = PNV_MACHINE(obj);
return pnv->big_core;
}
static void pnv_machine_set_big_core(Object *obj, bool value, Error **errp)
{
PnvMachineState *pnv = PNV_MACHINE(obj);
pnv->big_core = value;
}
static bool pnv_machine_get_hb(Object *obj, Error **errp)
{
PnvMachineState *pnv = PNV_MACHINE(obj);
return !!pnv->fw_load_addr;
}
static void pnv_machine_set_hb(Object *obj, bool value, Error **errp)
{
PnvMachineState *pnv = PNV_MACHINE(obj);
if (value) {
pnv->fw_load_addr = 0x8000000;
}
}
static void pnv_machine_power8_class_init(ObjectClass *oc, void *data)
{
MachineClass *mc = MACHINE_CLASS(oc);
@ -2632,6 +2660,12 @@ static void pnv_machine_power9_class_init(ObjectClass *oc, void *data)
pmc->dt_power_mgt = pnv_dt_power_mgt;
machine_class_allow_dynamic_sysbus_dev(mc, TYPE_PNV_PHB);
object_class_property_add_bool(oc, "big-core",
pnv_machine_get_big_core,
pnv_machine_set_big_core);
object_class_property_set_description(oc, "big-core",
"Use big-core (aka fused-core) mode");
}
static void pnv_machine_p10_common_class_init(ObjectClass *oc, void *data)
@ -2668,6 +2702,17 @@ static void pnv_machine_power10_class_init(ObjectClass *oc, void *data)
pnv_machine_p10_common_class_init(oc, data);
mc->desc = "IBM PowerNV (Non-Virtualized) POWER10";
/*
* This is the parent of POWER10 Rainier class, so properies go here
* rather than common init (which would add them to both parent and
* child which is invalid).
*/
object_class_property_add_bool(oc, "big-core",
pnv_machine_get_big_core,
pnv_machine_set_big_core);
object_class_property_set_description(oc, "big-core",
"Use big-core (aka fused-core) mode");
}
static void pnv_machine_p10_rainier_class_init(ObjectClass *oc, void *data)
@ -2680,22 +2725,6 @@ static void pnv_machine_p10_rainier_class_init(ObjectClass *oc, void *data)
pmc->i2c_init = pnv_rainier_i2c_init;
}
static bool pnv_machine_get_hb(Object *obj, Error **errp)
{
PnvMachineState *pnv = PNV_MACHINE(obj);
return !!pnv->fw_load_addr;
}
static void pnv_machine_set_hb(Object *obj, bool value, Error **errp)
{
PnvMachineState *pnv = PNV_MACHINE(obj);
if (value) {
pnv->fw_load_addr = 0x8000000;
}
}
static void pnv_cpu_do_nmi_on_cpu(CPUState *cs, run_on_cpu_data arg)
{
CPUPPCState *env = cpu_env(cs);