op_model_mpcore.h

linux 内核源代码

/**
 * @file op_model_mpcore.c
 * MPCORE Event Monitor Driver
 * @remark Copyright 2004 ARM SMP Development Team
 * @remark Copyright 2000-2004 Deepak Saxena <[e-mail]>
 * @remark Copyright 2000-2004 MontaVista Software Inc
 * @remark Copyright 2004 Dave Jiang <[e-mail]>
 * @remark Copyright 2004 Intel Corporation
 * @remark Copyright 2004 Zwane Mwaikambo <[e-mail]>
 * @remark Copyright 2004 Oprofile Authors
 *
 * @remark Read the file COPYING
 *
 * @author Zwane Mwaikambo
 */
#ifndef OP_MODEL_MPCORE_H
#define OP_MODEL_MPCORE_H

struct eventmonitor {
	unsigned long PMCR;
	unsigned char MCEB[8];
	unsigned long MC[8];
};

/*
 * List of userspace counter numbers: note that the structure is important.
 * The code relies on CPUn's counters being CPU0's counters + 3n
 * and on CPU0's counters starting at 0
 */

#define COUNTER_CPU0_PMN0 0
#define COUNTER_CPU0_PMN1 1
#define COUNTER_CPU0_CCNT 2

#define COUNTER_CPU1_PMN0 3
#define COUNTER_CPU1_PMN1 4
#define COUNTER_CPU1_CCNT 5

#define COUNTER_CPU2_PMN0 6
#define COUNTER_CPU2_PMN1 7
#define COUNTER_CPU2_CCNT 8

#define COUNTER_CPU3_PMN0 9
#define COUNTER_CPU3_PMN1 10
#define COUNTER_CPU3_CCNT 11

#define COUNTER_SCU_MN0 12
#define COUNTER_SCU_MN1 13
#define COUNTER_SCU_MN2 14
#define COUNTER_SCU_MN3 15
#define COUNTER_SCU_MN4 16
#define COUNTER_SCU_MN5 17
#define COUNTER_SCU_MN6 18
#define COUNTER_SCU_MN7 19
#define NUM_SCU_COUNTERS 8

#define SCU_COUNTER(number)	((number) + COUNTER_SCU_MN0)

#define MPCORE_NUM_COUNTERS	SCU_COUNTER(NUM_SCU_COUNTERS)

#endif