c709e8eacd
Rather than use a copy of CPUPPCState to store the host state while the environment has been switched to the L2, use a new struct for this purpose. Have helper functions to save and load this host state. Reviewed-by: Harsh Prateek Bora <harshpb@linux.ibm.com> Signed-off-by: Nicholas Piggin <npiggin@gmail.com> Signed-off-by: Cédric Le Goater <clg@kaod.org>
65 lines
1.7 KiB
C
65 lines
1.7 KiB
C
/*
|
|
* 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);
|
|
|
|
struct nested_ppc_state;
|
|
|
|
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 */
|
|
struct nested_ppc_state *nested_host_state; /* holds the L1 state while L2 executes */
|
|
} SpaprCpuState;
|
|
|
|
static inline SpaprCpuState *spapr_cpu_state(PowerPCCPU *cpu)
|
|
{
|
|
return (SpaprCpuState *)cpu->machine_data;
|
|
}
|
|
|
|
#endif
|