92 lines
3.0 KiB
C
Executable File
92 lines
3.0 KiB
C
Executable File
/* This file contains functions that are hidden from the user. These are
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* protocol specific functions used to read and write TRAX registers
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* and the trace memory
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*/
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/*
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* Copyright (c) 2012-2013 Tensilica Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining
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* a copy of this software and associated documentation files (the
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* "Software"), to deal in the Software without restriction, including
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* without limitation the rights to use, copy, modify, merge, publish,
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* distribute, sublicense, and/or sell copies of the Software, and to
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* permit persons to whom the Software is furnished to do so, subject to
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* the following conditions:
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*
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* The above copyright notice and this permission notice shall be included
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* in all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
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* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
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* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
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* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
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* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
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* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
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* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
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*/
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#ifndef _TRAX_PROTO_H
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#define _TRAX_PROTO_H
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#ifdef __cplusplus
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extern "C" {
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#endif
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/* Function to read register
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*
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* regno : The register number to be read (not ERI addressed)
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* data : Location where the read value is kept
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*
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* returns : 0 if successful, -1 if unsuccessful
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*/
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int trax_read_register_eri (int regno, unsigned *data);
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/* Function to write a value into a register
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*
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* regno : The register number to be written (not ERI addressed)
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* value : The value to be written at that register location
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*
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* returns : 0 if successful, -1 if unsuccessful
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*/
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int trax_write_register_eri (int regno, unsigned value);
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/* Function to read memory
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*
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* address : Address of the TraceRAM memory, each location has a word
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* len : Amount of memory in bytes, to be read
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* data : buffer in which the read memory is stored
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* final_address: Next address to be read in the following call to this
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* function (trace save mechanism)
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*
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* returns : 0 if successful, -1 if unsuccessful
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*/
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int trax_read_memory_eri (unsigned address, int len, int *data,
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unsigned *final_address);
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/* Function to write a value to the memory address
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*
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* address : Address of the TraceRAM memory
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* value : The value to be written inside that location
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*
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* returns : 0 if successful, -1 if unsuccessful
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*/
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int trax_write_memory_eri (int address, unsigned value);
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/* Function to write to a subfield of the register.
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* Called by set and show parameter functions.
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*
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* regno : Register number
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* regmask : Mask in order to toggle appropriate bits
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* value : Value to be written in the masked location
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*
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* returns : 0 if successful, -1 if unsuccessful
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*/
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int trax_write_register_field_eri (int regno, unsigned regmask,
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unsigned value);
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#ifdef __cplusplus
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}
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#endif
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#endif
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