diff options
Diffstat (limited to 'hw/ppc/pnv.c')
| -rw-r--r-- | hw/ppc/pnv.c | 26 |
1 files changed, 22 insertions, 4 deletions
diff --git a/hw/ppc/pnv.c b/hw/ppc/pnv.c index fc083173f3..eb54f93986 100644 --- a/hw/ppc/pnv.c +++ b/hw/ppc/pnv.c @@ -887,6 +887,18 @@ static void pnv_init(MachineState *machine) pnv->num_chips = machine->smp.max_cpus / (machine->smp.cores * machine->smp.threads); + + if (machine->smp.threads > 8) { + error_report("Cannot support more than 8 threads/core " + "on a powernv machine"); + exit(1); + } + if (!is_power_of_2(machine->smp.threads)) { + error_report("Cannot support %d threads/core on a powernv" + "machine because it must be a power of 2", + machine->smp.threads); + exit(1); + } /* * TODO: should we decide on how many chips we can create based * on #cores and Venice vs. Murano vs. Naples chip type etc..., @@ -1429,14 +1441,15 @@ static void pnv_chip_power9_instance_init(Object *obj) } static void pnv_chip_quad_realize_one(PnvChip *chip, PnvQuad *eq, - PnvCore *pnv_core) + PnvCore *pnv_core, + const char *type) { char eq_name[32]; int core_id = CPU_CORE(pnv_core)->core_id; snprintf(eq_name, sizeof(eq_name), "eq[%d]", core_id); object_initialize_child_with_props(OBJECT(chip), eq_name, eq, - sizeof(*eq), TYPE_PNV_QUAD, + sizeof(*eq), type, &error_fatal, NULL); object_property_set_int(OBJECT(eq), "quad-id", core_id, &error_fatal); @@ -1454,7 +1467,8 @@ static void pnv_chip_quad_realize(Pnv9Chip *chip9, Error **errp) for (i = 0; i < chip9->nr_quads; i++) { PnvQuad *eq = &chip9->quads[i]; - pnv_chip_quad_realize_one(chip, eq, chip->cores[i * 4]); + pnv_chip_quad_realize_one(chip, eq, chip->cores[i * 4], + PNV_QUAD_TYPE_NAME("power9")); pnv_xscom_add_subregion(chip, PNV9_XSCOM_EQ_BASE(eq->quad_id), &eq->xscom_regs); @@ -1666,10 +1680,14 @@ static void pnv_chip_power10_quad_realize(Pnv10Chip *chip10, Error **errp) for (i = 0; i < chip10->nr_quads; i++) { PnvQuad *eq = &chip10->quads[i]; - pnv_chip_quad_realize_one(chip, eq, chip->cores[i * 4]); + pnv_chip_quad_realize_one(chip, eq, chip->cores[i * 4], + PNV_QUAD_TYPE_NAME("power10")); pnv_xscom_add_subregion(chip, PNV10_XSCOM_EQ_BASE(eq->quad_id), &eq->xscom_regs); + + pnv_xscom_add_subregion(chip, PNV10_XSCOM_QME_BASE(eq->quad_id), + &eq->xscom_qme_regs); } } |