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/* SPDX-License-Identifier: GPL-2.0-or-later */
/***************************************************************************
* Copyright (C) 2018 by Square, Inc. *
* Steven Stallion <stallion@squareup.com> *
***************************************************************************/
#ifndef OPENOCD_TARGET_ESIRISC_TRACE_H
#define OPENOCD_TARGET_ESIRISC_TRACE_H
#include <helper/command.h>
#include <helper/types.h>
#include <target/target.h>
enum esirisc_trace_delay {
ESIRISC_TRACE_DELAY_NONE,
ESIRISC_TRACE_DELAY_START,
ESIRISC_TRACE_DELAY_STOP,
ESIRISC_TRACE_DELAY_BOTH,
};
enum esirisc_trace_format {
ESIRISC_TRACE_FORMAT_FULL,
ESIRISC_TRACE_FORMAT_BRANCH,
ESIRISC_TRACE_FORMAT_ICACHE,
};
enum esirisc_trace_id {
ESIRISC_TRACE_ID_EXECUTE,
ESIRISC_TRACE_ID_STALL,
ESIRISC_TRACE_ID_BRANCH,
ESIRISC_TRACE_ID_EXTENDED,
};
enum esirisc_trace_ext_id {
ESIRISC_TRACE_EXT_ID_EXCEPTION = 1,
ESIRISC_TRACE_EXT_ID_ERET,
ESIRISC_TRACE_EXT_ID_STOP,
ESIRISC_TRACE_EXT_ID_WAIT,
ESIRISC_TRACE_EXT_ID_MULTICYCLE,
ESIRISC_TRACE_EXT_ID_COUNT,
ESIRISC_TRACE_EXT_ID_PC,
ESIRISC_TRACE_EXT_ID_INDIRECT,
ESIRISC_TRACE_EXT_ID_END,
ESIRISC_TRACE_EXT_ID_END_PC,
};
enum esirisc_trace_trigger {
ESIRISC_TRACE_TRIGGER_NONE,
ESIRISC_TRACE_TRIGGER_PC,
ESIRISC_TRACE_TRIGGER_LOAD,
ESIRISC_TRACE_TRIGGER_STORE,
ESIRISC_TRACE_TRIGGER_EXCEPTION,
ESIRISC_TRACE_TRIGGER_ERET,
ESIRISC_TRACE_TRIGGER_WAIT,
ESIRISC_TRACE_TRIGGER_STOP,
ESIRISC_TRACE_TRIGGER_HIGH,
ESIRISC_TRACE_TRIGGER_LOW,
};
struct esirisc_trace {
target_addr_t buffer_start;
target_addr_t buffer_end;
bool buffer_wrap;
bool flow_control;
enum esirisc_trace_format format;
int pc_bits;
enum esirisc_trace_trigger start_trigger;
uint32_t start_data;
uint32_t start_mask;
enum esirisc_trace_trigger stop_trigger;
uint32_t stop_data;
uint32_t stop_mask;
enum esirisc_trace_delay delay;
uint32_t delay_cycles;
};
extern const struct command_registration esirisc_trace_command_handlers[];
static inline uint32_t esirisc_trace_buffer_size(struct esirisc_trace *trace_info)
{
return trace_info->buffer_end - trace_info->buffer_start;
}
static inline bool esirisc_trace_is_fifo(struct esirisc_trace *trace_info)
{
return trace_info->buffer_start == trace_info->buffer_end;
}
#endif /* OPENOCD_TARGET_ESIRISC_TRACE_H */