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/*
* 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 INCLUDE__UTIL_PERF_CS_ETM_H__
#define INCLUDE__UTIL_PERF_CS_ETM_H__
/* Versionning header in case things need tro change in the future. That way
* decoding of old snapshot is still possible.
*/
enum {
/* Starting with 0x0 */
CS_HEADER_VERSION_0,
/* PMU->type (32 bit), total # of CPUs (32 bit) */
CS_PMU_TYPE_CPUS,
CS_ETM_SNAPSHOT,
CS_HEADER_VERSION_0_MAX,
};
/* Beginning of header common to both ETMv3 and V4 */
enum {
CS_ETM_MAGIC,
CS_ETM_CPU,
};
/* ETMv3/PTM metadata */
enum {
/* Dynamic, configurable parameters */
CS_ETM_ETMCR = CS_ETM_CPU + 1,
CS_ETM_ETMTRACEIDR,
/* RO, taken from sysFS */
CS_ETM_ETMCCER,
CS_ETM_ETMIDR,
CS_ETM_PRIV_MAX,
};
/* ETMv4 metadata */
enum {
/* Dynamic, configurable parameters */
CS_ETMV4_TRCCONFIGR = CS_ETM_CPU + 1,
CS_ETMV4_TRCTRACEIDR,
/* RO, taken from sysFS */
CS_ETMV4_TRCIDR0,
CS_ETMV4_TRCIDR1,
CS_ETMV4_TRCIDR2,
CS_ETMV4_TRCIDR8,
CS_ETMV4_TRCAUTHSTATUS,
CS_ETMV4_PRIV_MAX,
};
#define KiB(x) ((x) * 1024)
#define MiB(x) ((x) * 1024 * 1024)
#define CS_ETM_HEADER_SIZE (CS_HEADER_VERSION_0_MAX * sizeof(u64))
static const u64 __perf_cs_etmv3_magic = 0x3030303030303030ULL;
static const u64 __perf_cs_etmv4_magic = 0x4040404040404040ULL;
#define CS_ETMV3_PRIV_SIZE (CS_ETM_PRIV_MAX * sizeof(u64))
#define CS_ETMV4_PRIV_SIZE (CS_ETMV4_PRIV_MAX * sizeof(u64))
#endif
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