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/**
* @file op_x86_model.h
* interface to x86 model-specific MSR operations
*
* @remark Copyright 2002 OProfile authors
* @remark Read the file COPYING
*
* @author Graydon Hoare
*/
#ifndef OP_X86_MODEL_H
#define OP_X86_MODEL_H
struct op_saved_msr {
unsigned int high;
unsigned int low;
};
struct op_msr {
unsigned long addr;
struct op_saved_msr saved;
};
struct op_msrs {
struct op_msr * counters;
struct op_msr * controls;
};
struct pt_regs;
/* The model vtable abstracts the differences between
* various x86 CPU model's perfctr support.
*/
struct op_x86_model_spec {
unsigned int const num_counters;
unsigned int const num_controls;
void (*fill_in_addresses)(struct op_msrs * const msrs);
void (*setup_ctrs)(struct op_msrs const * const msrs);
int (*check_ctrs)(struct pt_regs * const regs,
struct op_msrs const * const msrs);
void (*start)(struct op_msrs const * const msrs);
void (*stop)(struct op_msrs const * const msrs);
};
extern struct op_x86_model_spec const op_ppro_spec;
extern struct op_x86_model_spec const op_p4_spec;
extern struct op_x86_model_spec const op_p4_ht2_spec;
extern struct op_x86_model_spec const op_athlon_spec;
#endif /* OP_X86_MODEL_H */
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