mirror of
https://github.com/adulau/aha.git
synced 2024-12-30 20:56:23 +00:00
d7ac4e28cc
Add Oprofile kernel support for ARMv7. Tested on OMAP3430 and OMAP3530 chipsets (Cortex-A8). Signed-off-by: Jean Pihet <jpihet@mvista.com> Signed-off-by: Russell King <rmk+kernel@arm.linux.org.uk>
103 lines
2.6 KiB
C
103 lines
2.6 KiB
C
/**
|
|
* op_model_v7.h
|
|
* ARM v7 (Cortex A8) Event Monitor Driver
|
|
*
|
|
* Copyright 2008 Jean Pihet <jpihet@mvista.com>
|
|
* Copyright 2004 ARM SMP Development Team
|
|
* Copyright 2000-2004 Deepak Saxena <dsaxena@mvista.com>
|
|
* Copyright 2000-2004 MontaVista Software Inc
|
|
* Copyright 2004 Dave Jiang <dave.jiang@intel.com>
|
|
* Copyright 2004 Intel Corporation
|
|
* Copyright 2004 Zwane Mwaikambo <zwane@arm.linux.org.uk>
|
|
* Copyright 2004 Oprofile Authors
|
|
*
|
|
* Read the file COPYING
|
|
*
|
|
* This program is free software; you can redistribute it and/or modify
|
|
* it under the terms of the GNU General Public License version 2 as
|
|
* published by the Free Software Foundation.
|
|
*/
|
|
#ifndef OP_MODEL_V7_H
|
|
#define OP_MODEL_V7_H
|
|
|
|
/*
|
|
* Per-CPU PMNC: config reg
|
|
*/
|
|
#define PMNC_E (1 << 0) /* Enable all counters */
|
|
#define PMNC_P (1 << 1) /* Reset all counters */
|
|
#define PMNC_C (1 << 2) /* Cycle counter reset */
|
|
#define PMNC_D (1 << 3) /* CCNT counts every 64th cpu cycle */
|
|
#define PMNC_X (1 << 4) /* Export to ETM */
|
|
#define PMNC_DP (1 << 5) /* Disable CCNT if non-invasive debug*/
|
|
#define PMNC_MASK 0x3f /* Mask for writable bits */
|
|
|
|
/*
|
|
* Available counters
|
|
*/
|
|
#define CCNT 0
|
|
#define CNT0 1
|
|
#define CNT1 2
|
|
#define CNT2 3
|
|
#define CNT3 4
|
|
#define CNTMAX 5
|
|
|
|
#define CPU_COUNTER(cpu, counter) ((cpu) * CNTMAX + (counter))
|
|
|
|
/*
|
|
* CNTENS: counters enable reg
|
|
*/
|
|
#define CNTENS_P0 (1 << 0)
|
|
#define CNTENS_P1 (1 << 1)
|
|
#define CNTENS_P2 (1 << 2)
|
|
#define CNTENS_P3 (1 << 3)
|
|
#define CNTENS_C (1 << 31)
|
|
#define CNTENS_MASK 0x8000000f /* Mask for writable bits */
|
|
|
|
/*
|
|
* CNTENC: counters disable reg
|
|
*/
|
|
#define CNTENC_P0 (1 << 0)
|
|
#define CNTENC_P1 (1 << 1)
|
|
#define CNTENC_P2 (1 << 2)
|
|
#define CNTENC_P3 (1 << 3)
|
|
#define CNTENC_C (1 << 31)
|
|
#define CNTENC_MASK 0x8000000f /* Mask for writable bits */
|
|
|
|
/*
|
|
* INTENS: counters overflow interrupt enable reg
|
|
*/
|
|
#define INTENS_P0 (1 << 0)
|
|
#define INTENS_P1 (1 << 1)
|
|
#define INTENS_P2 (1 << 2)
|
|
#define INTENS_P3 (1 << 3)
|
|
#define INTENS_C (1 << 31)
|
|
#define INTENS_MASK 0x8000000f /* Mask for writable bits */
|
|
|
|
/*
|
|
* EVTSEL: Event selection reg
|
|
*/
|
|
#define EVTSEL_MASK 0x7f /* Mask for writable bits */
|
|
|
|
/*
|
|
* SELECT: Counter selection reg
|
|
*/
|
|
#define SELECT_MASK 0x1f /* Mask for writable bits */
|
|
|
|
/*
|
|
* FLAG: counters overflow flag status reg
|
|
*/
|
|
#define FLAG_P0 (1 << 0)
|
|
#define FLAG_P1 (1 << 1)
|
|
#define FLAG_P2 (1 << 2)
|
|
#define FLAG_P3 (1 << 3)
|
|
#define FLAG_C (1 << 31)
|
|
#define FLAG_MASK 0x8000000f /* Mask for writable bits */
|
|
|
|
|
|
int armv7_setup_pmu(void);
|
|
int armv7_start_pmu(void);
|
|
int armv7_stop_pmu(void);
|
|
int armv7_request_interrupts(int *, int);
|
|
void armv7_release_interrupts(int *, int);
|
|
|
|
#endif
|