135 строки
2.9 KiB
C
135 строки
2.9 KiB
C
/*
|
|
* Copyright (C) 2004 Anton Blanchard <anton@au.ibm.com>, IBM
|
|
*
|
|
* Based on alpha version.
|
|
*
|
|
* This program is free software; you can redistribute it and/or
|
|
* modify it under the terms of the GNU General Public License
|
|
* as published by the Free Software Foundation; either version
|
|
* 2 of the License, or (at your option) any later version.
|
|
*/
|
|
|
|
#ifndef _ASM_POWERPC_OPROFILE_IMPL_H
|
|
#define _ASM_POWERPC_OPROFILE_IMPL_H
|
|
#ifdef __KERNEL__
|
|
|
|
#define OP_MAX_COUNTER 8
|
|
|
|
/* Per-counter configuration as set via oprofilefs. */
|
|
struct op_counter_config {
|
|
unsigned long enabled;
|
|
unsigned long event;
|
|
unsigned long count;
|
|
/* Classic doesn't support per-counter user/kernel selection */
|
|
unsigned long kernel;
|
|
unsigned long user;
|
|
unsigned long unit_mask;
|
|
};
|
|
|
|
/* System-wide configuration as set via oprofilefs. */
|
|
struct op_system_config {
|
|
#ifdef CONFIG_PPC64
|
|
unsigned long mmcr0;
|
|
unsigned long mmcr1;
|
|
unsigned long mmcra;
|
|
#endif
|
|
unsigned long enable_kernel;
|
|
unsigned long enable_user;
|
|
};
|
|
|
|
/* Per-arch configuration */
|
|
struct op_powerpc_model {
|
|
int (*reg_setup) (struct op_counter_config *,
|
|
struct op_system_config *,
|
|
int num_counters);
|
|
int (*cpu_setup) (struct op_counter_config *);
|
|
int (*start) (struct op_counter_config *);
|
|
int (*global_start) (struct op_counter_config *);
|
|
void (*stop) (void);
|
|
void (*global_stop) (void);
|
|
int (*sync_start)(void);
|
|
int (*sync_stop)(void);
|
|
void (*handle_interrupt) (struct pt_regs *,
|
|
struct op_counter_config *);
|
|
int num_counters;
|
|
};
|
|
|
|
extern struct op_powerpc_model op_model_fsl_emb;
|
|
extern struct op_powerpc_model op_model_rs64;
|
|
extern struct op_powerpc_model op_model_power4;
|
|
extern struct op_powerpc_model op_model_7450;
|
|
extern struct op_powerpc_model op_model_cell;
|
|
extern struct op_powerpc_model op_model_pa6t;
|
|
|
|
|
|
/* All the classic PPC parts use these */
|
|
static inline unsigned int classic_ctr_read(unsigned int i)
|
|
{
|
|
switch(i) {
|
|
case 0:
|
|
return mfspr(SPRN_PMC1);
|
|
case 1:
|
|
return mfspr(SPRN_PMC2);
|
|
case 2:
|
|
return mfspr(SPRN_PMC3);
|
|
case 3:
|
|
return mfspr(SPRN_PMC4);
|
|
case 4:
|
|
return mfspr(SPRN_PMC5);
|
|
case 5:
|
|
return mfspr(SPRN_PMC6);
|
|
|
|
/* No PPC32 chip has more than 6 so far */
|
|
#ifdef CONFIG_PPC64
|
|
case 6:
|
|
return mfspr(SPRN_PMC7);
|
|
case 7:
|
|
return mfspr(SPRN_PMC8);
|
|
#endif
|
|
default:
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
static inline void classic_ctr_write(unsigned int i, unsigned int val)
|
|
{
|
|
switch(i) {
|
|
case 0:
|
|
mtspr(SPRN_PMC1, val);
|
|
break;
|
|
case 1:
|
|
mtspr(SPRN_PMC2, val);
|
|
break;
|
|
case 2:
|
|
mtspr(SPRN_PMC3, val);
|
|
break;
|
|
case 3:
|
|
mtspr(SPRN_PMC4, val);
|
|
break;
|
|
case 4:
|
|
mtspr(SPRN_PMC5, val);
|
|
break;
|
|
case 5:
|
|
mtspr(SPRN_PMC6, val);
|
|
break;
|
|
|
|
/* No PPC32 chip has more than 6, yet */
|
|
#ifdef CONFIG_PPC64
|
|
case 6:
|
|
mtspr(SPRN_PMC7, val);
|
|
break;
|
|
case 7:
|
|
mtspr(SPRN_PMC8, val);
|
|
break;
|
|
#endif
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
|
|
extern void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth);
|
|
|
|
#endif /* __KERNEL__ */
|
|
#endif /* _ASM_POWERPC_OPROFILE_IMPL_H */
|