Release 4.14 arch/powerpc/include/asm/oprofile_impl.h

/*
 * 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;
#ifdef CONFIG_OPROFILE_CELL
	/* Register for oprofile user tool to check cell kernel profiling
         * support.
         */
	
unsigned long cell_support;
#endif
#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_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;
	}
}

Contributors
Person
Tokens
Prop
Commits
CommitProp
Andrew Morton
93
93.00%
1
33.33%
Andy Fleming
6
6.00%
1
33.33%
Olof Johansson
1
1.00%
1
33.33%
Total
100
100.00%
3
100.00%



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;
	}
}


Contributors
Person
Tokens
Prop
Commits
CommitProp
Andrew Morton
110
94.02%
1
33.33%
Andy Fleming
6
5.13%
1
33.33%
Olof Johansson
1
0.85%
1
33.33%
Total
117
100.00%
3
100.00%

extern void op_powerpc_backtrace(struct pt_regs * const regs, unsigned int depth);

#endif /* __KERNEL__ */
#endif /* _ASM_POWERPC_OPROFILE_IMPL_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Andrew Morton
323
70.07%
1
6.25%
Andy Fleming
27
5.86%
3
18.75%
Maynard Johnson
24
5.21%
1
6.25%
Bob Nelson
22
4.77%
1
6.25%
Anton Blanchard
16
3.47%
2
12.50%
Brian Rogan
15
3.25%
1
6.25%
Stephen Rothwell
11
2.39%
2
12.50%
Carl E. Love
9
1.95%
1
6.25%
Olof Johansson
7
1.52%
2
12.50%
Arnd Bergmann
6
1.30%
1
6.25%
Masanari Iida
1
0.22%
1
6.25%
Total
461
100.00%
16
100.00%
Directory: arch/powerpc/include/asm

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