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/*
* sPAPR CPU core device.
*
* Copyright (C) 2016 Bharata B Rao <bharata@linux.vnet.ibm.com>
*
* This work is licensed under the terms of the GNU GPL, version 2 or later.
* See the COPYING file in the top-level directory.
*/
#ifndef HW_SPAPR_CPU_CORE_H
#define HW_SPAPR_CPU_CORE_H
#include "hw/cpu/core.h"
#include "hw/qdev-core.h"
#include "target/ppc/cpu-qom.h"
#include "target/ppc/cpu.h"
#include "qom/object.h"
#define TYPE_SPAPR_CPU_CORE "spapr-cpu-core"
OBJECT_DECLARE_TYPE(SpaprCpuCore, SpaprCpuCoreClass,
SPAPR_CPU_CORE)
#define SPAPR_CPU_CORE_TYPE_NAME(model) model "-" TYPE_SPAPR_CPU_CORE
struct SpaprCpuCore {
/*< private >*/
CPUCore parent_obj;
/*< public >*/
PowerPCCPU **threads;
int node_id;
bool pre_3_0_migration; /* older machine don't know about SpaprCpuState */
};
struct SpaprCpuCoreClass {
DeviceClass parent_class;
const char *cpu_type;
};
const char *spapr_get_cpu_core_type(const char *cpu_type);
void spapr_cpu_set_entry_state(PowerPCCPU *cpu, target_ulong nip,
target_ulong r1, target_ulong r3,
target_ulong r4);
typedef struct SpaprCpuState {
uint64_t vpa_addr;
uint64_t slb_shadow_addr, slb_shadow_size;
uint64_t dtl_addr, dtl_size;
bool prod; /* not migrated, only used to improve dispatch latencies */
struct ICPState *icp;
struct XiveTCTX *tctx;
/* Fields for nested-HV support */
bool in_nested; /* true while the L2 is executing */
CPUPPCState *nested_host_state; /* holds the L1 state while L2 executes */
int64_t nested_tb_offset; /* L1->L2 TB offset */
} SpaprCpuState;
static inline SpaprCpuState *spapr_cpu_state(PowerPCCPU *cpu)
{
return (SpaprCpuState *)cpu->machine_data;
}
#endif
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