qemu/include/hw/ppc/pnv_core.h
Caleb Schlossin 9940412ae4 ppc/pnv: Improve pervasive topology calculation for big-core
Big (SMT8) cores have a complicated function to map the core, thread ID
to pervasive topology (PIR). Fix this for power8, power9, and power10.

Reviewed-by: Cédric Le Goater <clg@kaod.org>
Signed-off-by: Caleb Schlossin <calebs@linux.vnet.ibm.com>
Signed-off-by: Nicholas Piggin <npiggin@gmail.com>
2024-03-13 02:47:04 +10:00

90 lines
2.2 KiB
C

/*
* 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 2.1 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"
#include "target/ppc/cpu.h"
#include "hw/ppc/pnv.h"
#include "qom/object.h"
#define TYPE_PNV_CORE "powernv-cpu-core"
OBJECT_DECLARE_TYPE(PnvCore, PnvCoreClass,
PNV_CORE)
struct PnvCore {
/*< private >*/
CPUCore parent_obj;
/*< public >*/
PowerPCCPU **threads;
uint32_t pir;
uint32_t hwid;
uint64_t hrmor;
PnvChip *chip;
MemoryRegion xscom_regs;
};
struct PnvCoreClass {
DeviceClass parent_class;
const MemoryRegionOps *xscom_ops;
uint64_t xscom_size;
};
#define PNV_CORE_TYPE_SUFFIX "-" TYPE_PNV_CORE
#define PNV_CORE_TYPE_NAME(cpu_model) cpu_model PNV_CORE_TYPE_SUFFIX
typedef struct PnvCPUState {
Object *intc;
} PnvCPUState;
static inline PnvCPUState *pnv_cpu_state(PowerPCCPU *cpu)
{
return (PnvCPUState *)cpu->machine_data;
}
struct PnvQuadClass {
DeviceClass parent_class;
const MemoryRegionOps *xscom_ops;
uint64_t xscom_size;
const MemoryRegionOps *xscom_qme_ops;
uint64_t xscom_qme_size;
};
#define TYPE_PNV_QUAD "powernv-cpu-quad"
#define PNV_QUAD_TYPE_SUFFIX "-" TYPE_PNV_QUAD
#define PNV_QUAD_TYPE_NAME(cpu_model) cpu_model PNV_QUAD_TYPE_SUFFIX
OBJECT_DECLARE_TYPE(PnvQuad, PnvQuadClass, PNV_QUAD)
struct PnvQuad {
DeviceState parent_obj;
uint32_t quad_id;
MemoryRegion xscom_regs;
MemoryRegion xscom_qme_regs;
};
#endif /* PPC_PNV_CORE_H */