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ppc/pnv: add a PnvCore object

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This is largy inspired by sPAPRCPUCore with some simplification, no
hotplug for instance. A set of PnvCore objects is added to the PnvChip
and the device tree is populated looping on these cores.

Real HW cpu ids are now generated depending on the chip cpu model, the
chip id and a core mask. The id is propagated to the CPU object, using
properties, to set the SPR_PIR (Processor Identification Register)

Signed-off-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: David Gibson <david@gibson.dropbear.id.au>
This commit is contained in:
Cédric Le Goater 2016-10-22 11:46:39 +02:00 • committed by David Gibson
parent 631adaff31
commit d2fd9612ee
5 changed files with 421 additions and 2 deletions
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2
include/hw/ppc/pnv.h
View file

@ -47,6 +47,7 @@ typedef struct PnvChip {
uint32_t nr_cores;
uint64_t cores_mask;
void *cores;
} PnvChip;
typedef struct PnvChipClass {
@ -103,5 +104,6 @@ typedef struct PnvMachineState {
} PnvMachineState;
#define PNV_FDT_ADDR 0x01000000
#define PNV_TIMEBASE_FREQ 512000000ULL
#endif /* _PPC_PNV_H */

48
include/hw/ppc/pnv_core.h Normal file
View file

@ -0,0 +1,48 @@
/*
* QEMU PowerPC PowerNV CPU Core model
*
* Copyright (c) 2016, IBM Corporation.
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public License
* as published by the Free Software Foundation; either version 2 of
* the License, or (at your option) any later version.
*
* This library is distributed in the hope that it will be useful, but
* WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, see <http://www.gnu.org/licenses/>.
*/
#ifndef _PPC_PNV_CORE_H
#define _PPC_PNV_CORE_H
#include "hw/cpu/core.h"
#define TYPE_PNV_CORE "powernv-cpu-core"
#define PNV_CORE(obj) \
OBJECT_CHECK(PnvCore, (obj), TYPE_PNV_CORE)
#define PNV_CORE_CLASS(klass) \
OBJECT_CLASS_CHECK(PnvCoreClass, (klass), TYPE_PNV_CORE)
#define PNV_CORE_GET_CLASS(obj) \
OBJECT_GET_CLASS(PnvCoreClass, (obj), TYPE_PNV_CORE)
typedef struct PnvCore {
/*< private >*/
CPUCore parent_obj;
/*< public >*/
void *threads;
uint32_t pir;
} PnvCore;
typedef struct PnvCoreClass {
DeviceClass parent_class;
ObjectClass *cpu_oc;
} PnvCoreClass;
extern char *pnv_core_typename(const char *model);
#endif /* _PPC_PNV_CORE_H */