mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/stable/linux.git
synced 2024-08-23 09:19:51 +00:00
![Mike Leach](/assets/img/avatar_default.png)
The value passed into the perf.data file for the CONFIGR register in ETMv4 was incorrectly being set to the command line options/ETMv3 value. Adds bit definitions and function to remap this value to the correct ETMv4 CONFIGR bit values for all selected options. Signed-off-by: Mike Leach <mike.leach@linaro.org> Signed-off-by: Greg Kroah-Hartman <gregkh@linuxfoundation.org>
45 lines
1.4 KiB
C
45 lines
1.4 KiB
C
/*
|
|
* Copyright(C) 2015 Linaro Limited. All rights reserved.
|
|
* Author: Mathieu Poirier <mathieu.poirier@linaro.org>
|
|
*
|
|
* 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.
|
|
*
|
|
* This program is distributed in the hope that it will be useful, but WITHOUT
|
|
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
|
|
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
|
|
* more details.
|
|
*
|
|
* You should have received a copy of the GNU General Public License along with
|
|
* this program. If not, see <http://www.gnu.org/licenses/>.
|
|
*/
|
|
|
|
#ifndef _LINUX_CORESIGHT_PMU_H
|
|
#define _LINUX_CORESIGHT_PMU_H
|
|
|
|
#define CORESIGHT_ETM_PMU_NAME "cs_etm"
|
|
#define CORESIGHT_ETM_PMU_SEED 0x10
|
|
|
|
/* ETMv3.5/PTM's ETMCR config bit */
|
|
#define ETM_OPT_CYCACC 12
|
|
#define ETM_OPT_TS 28
|
|
#define ETM_OPT_RETSTK 29
|
|
|
|
/* ETMv4 CONFIGR programming bits for the ETM OPTs */
|
|
#define ETM4_CFG_BIT_CYCACC 4
|
|
#define ETM4_CFG_BIT_TS 11
|
|
#define ETM4_CFG_BIT_RETSTK 12
|
|
|
|
static inline int coresight_get_trace_id(int cpu)
|
|
{
|
|
/*
|
|
* A trace ID of value 0 is invalid, so let's start at some
|
|
* random value that fits in 7 bits and go from there. Since
|
|
* the common convention is to have data trace IDs be I(N) + 1,
|
|
* set instruction trace IDs as a function of the CPU number.
|
|
*/
|
|
return (CORESIGHT_ETM_PMU_SEED + (cpu * 2));
|
|
}
|
|
|
|
#endif
|