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-rw-r--r--tools/perf/util/cs-etm-decoder/cs-etm-decoder.h96
1 files changed, 96 insertions, 0 deletions
diff --git a/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h
new file mode 100644
index 000000000..11f3391d0
--- /dev/null
+++ b/tools/perf/util/cs-etm-decoder/cs-etm-decoder.h
@@ -0,0 +1,96 @@
+/*
+ * SPDX-License-Identifier: GPL-2.0
+ *
+ * Copyright(C) 2015-2018 Linaro Limited.
+ *
+ * Author: Tor Jeremiassen <tor@ti.com>
+ * Author: Mathieu Poirier <mathieu.poirier@linaro.org>
+ */
+
+#ifndef INCLUDE__CS_ETM_DECODER_H__
+#define INCLUDE__CS_ETM_DECODER_H__
+
+#include <linux/types.h>
+#include <stdio.h>
+
+struct cs_etm_decoder;
+struct cs_etm_packet;
+struct cs_etm_packet_queue;
+
+struct cs_etm_queue;
+
+typedef u32 (*cs_etm_mem_cb_type)(struct cs_etm_queue *, u8, u64, size_t, u8 *);
+
+struct cs_etmv3_trace_params {
+ u32 reg_ctrl;
+ u32 reg_trc_id;
+ u32 reg_ccer;
+ u32 reg_idr;
+};
+
+struct cs_etmv4_trace_params {
+ u32 reg_idr0;
+ u32 reg_idr1;
+ u32 reg_idr2;
+ u32 reg_idr8;
+ u32 reg_configr;
+ u32 reg_traceidr;
+};
+
+struct cs_etm_trace_params {
+ int protocol;
+ union {
+ struct cs_etmv3_trace_params etmv3;
+ struct cs_etmv4_trace_params etmv4;
+ };
+};
+
+struct cs_etm_decoder_params {
+ int operation;
+ void (*packet_printer)(const char *msg);
+ cs_etm_mem_cb_type mem_acc_cb;
+ u8 formatted;
+ u8 fsyncs;
+ u8 hsyncs;
+ u8 frame_aligned;
+ void *data;
+};
+
+/*
+ * The following enums are indexed starting with 1 to align with the
+ * open source coresight trace decoder library.
+ */
+enum {
+ CS_ETM_PROTO_ETMV3 = 1,
+ CS_ETM_PROTO_ETMV4i,
+ CS_ETM_PROTO_ETMV4d,
+ CS_ETM_PROTO_PTM,
+};
+
+enum cs_etm_decoder_operation {
+ CS_ETM_OPERATION_PRINT = 1,
+ CS_ETM_OPERATION_DECODE,
+ CS_ETM_OPERATION_MAX,
+};
+
+int cs_etm_decoder__process_data_block(struct cs_etm_decoder *decoder,
+ u64 indx, const u8 *buf,
+ size_t len, size_t *consumed);
+
+struct cs_etm_decoder *
+cs_etm_decoder__new(int num_cpu,
+ struct cs_etm_decoder_params *d_params,
+ struct cs_etm_trace_params t_params[]);
+
+void cs_etm_decoder__free(struct cs_etm_decoder *decoder);
+
+int cs_etm_decoder__add_mem_access_cb(struct cs_etm_decoder *decoder,
+ u64 start, u64 end,
+ cs_etm_mem_cb_type cb_func);
+
+int cs_etm_decoder__get_packet(struct cs_etm_packet_queue *packet_queue,
+ struct cs_etm_packet *packet);
+
+int cs_etm_decoder__reset(struct cs_etm_decoder *decoder);
+
+#endif /* INCLUDE__CS_ETM_DECODER_H__ */