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c69de4e0da
Change traced-id values for ETMs. Remove comptability check for minor version as the majority of ETMv4.0 driver code is compatible with ETMv4.2. Add change to display upto 32 number of proccessors available for tracing. Change-Id: I340ebf203d53717f2d497e406d24acb146226556 Signed-off-by: Satyajit Desai <sadesai@codeaurora.org> Signed-off-by: Rama Aparna Mallavarapu <aparnam@codeaurora.org>
46 lines
1.4 KiB
C
46 lines
1.4 KiB
C
/*
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* Copyright(C) 2015 Linaro Limited. All rights reserved.
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* Author: Mathieu Poirier <mathieu.poirier@linaro.org>
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms of the GNU General Public License version 2 as published by
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* the Free Software Foundation.
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*
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* This program is distributed in the hope that it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License along with
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* this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#ifndef _LINUX_CORESIGHT_PMU_H
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#define _LINUX_CORESIGHT_PMU_H
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#define CORESIGHT_ETM_PMU_NAME "cs_etm"
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#define CORESIGHT_ETM_PMU_SEED 0x01
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/* ETMv3.5/PTM's ETMCR config bit */
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#define ETM_OPT_CYCACC 12
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#define ETM_OPT_TS 28
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#define ETM_OPT_RETSTK 29
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/* ETMv4 CONFIGR programming bits for the ETM OPTs */
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#define ETM4_CFG_BIT_CYCACC 4
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#define ETM4_CFG_BIT_TS 11
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#define ETM4_CFG_BIT_RETSTK 12
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static inline int coresight_get_trace_id(int cpu)
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{
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/*
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* A trace ID of value 0 is invalid, so let's start at some
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* random value that fits in 7 bits and go from there. Since
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* the common convention is to have data trace IDs be I(N) + 1,
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* set instruction trace IDs as a function of the CPU number.
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*/
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return (CORESIGHT_ETM_PMU_SEED + cpu);
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}
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#endif
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