/*
* Copyright (c) 2010 University of Tennessee
* Contributed by Vince Weaver <vweaver1@utk.edu>
*
* Permission is hereby granted, free of charge, to any person obtaining a copy
* of this software and associated documentation files (the "Software"), to deal
* in the Software without restriction, including without limitation the rights
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies
* of the Software, and to permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in all
* copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED,
* INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A
* PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT
* HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF
* CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE
* OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* This file is part of libpfm, a performance monitoring support library for
* applications on Linux.
*/
#ifndef __PFMLIB_ARM_PRIV_H__
#define __PFMLIB_ARM_PRIV_H__
/*
* This file contains the definitions used for ARM processors
*/
/*
* event description
*/
typedef struct {
const char *name; /* event name */
const char *desc; /* event description */
unsigned int code; /* event code */
unsigned int modmsk; /* modifiers bitmask */
} arm_entry_t;
typedef union pfm_arm_reg {
unsigned int val; /* complete register value */
struct {
unsigned int sel:8;
unsigned int reserved1:19;
unsigned int excl_hyp:1;
unsigned int reserved2:2;
unsigned int excl_pl1:1;
unsigned int excl_usr:1;
} evtsel;
} pfm_arm_reg_t;
typedef struct {
int implementer;
int architecture;
int part;
} pfm_arm_config_t;
extern pfm_arm_config_t pfm_arm_cfg;
extern int pfm_arm_detect(void *this);
extern int pfm_arm_get_encoding(void *this, pfmlib_event_desc_t *e);
extern int pfm_arm_get_event_first(void *this);
extern int pfm_arm_get_event_next(void *this, int idx);
extern int pfm_arm_event_is_valid(void *this, int pidx);
extern int pfm_arm_validate_table(void *this, FILE *fp);
extern int pfm_arm_get_event_attr_info(void *this, int pidx, int attr_idx, pfmlib_event_attr_info_t *info);
extern int pfm_arm_get_event_info(void *this, int idx, pfm_event_info_t *info);
extern unsigned int pfm_arm_get_event_nattrs(void *this, int pidx);
extern void pfm_arm_perf_validate_pattrs(void *this, pfmlib_event_desc_t *e);
extern int pfm_arm_get_perf_encoding(void *this, pfmlib_event_desc_t *e);
#define ARM_ATTR_K 0 /* pl1 priv level */
#define ARM_ATTR_U 1 /* user priv level */
#define ARM_ATTR_HV 2 /* hypervisor priv level */
#define _ARM_ATTR_K (1 << ARM_ATTR_K)
#define _ARM_ATTR_U (1 << ARM_ATTR_U)
#define _ARM_ATTR_HV (1 << ARM_ATTR_HV)
#define ARM_ATTR_PLM_ALL (_ARM_ATTR_K|_ARM_ATTR_U|_ARM_ATTR_HV)
#define ARMV7_A15_ATTRS (_ARM_ATTR_K|_ARM_ATTR_U|_ARM_ATTR_HV)
#define ARMV7_A15_PLM (PFM_PLM0|PFM_PLM3|PFM_PLMH)
#define ARMV7_A7_ATTRS (_ARM_ATTR_K|_ARM_ATTR_U|_ARM_ATTR_HV)
#define ARMV7_A7_PLM (PFM_PLM0|PFM_PLM3|PFM_PLMH)
#define ARMV8_ATTRS (_ARM_ATTR_K|_ARM_ATTR_U|_ARM_ATTR_HV)
#define ARMV8_PLM (PFM_PLM0|PFM_PLM3|PFM_PLMH)
static inline int
arm_has_plm(void *this, pfmlib_event_desc_t *e)
{
const arm_entry_t *pe = this_pe(this);
return pe[e->event].modmsk & ARM_ATTR_PLM_ALL;
}
#endif /* __PFMLIB_ARM_PRIV_H__ */