87 lines
3.1 KiB
C
87 lines
3.1 KiB
C
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//*****************************************************************************
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// +--+
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// | ++----+
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// +-++ |
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// | |
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// +-+--+ |
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// | +--+--+
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// +----+ Copyright (c) 2013 Code Red Technologies Ltd.
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//
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// mtb.c
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//
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// Optionally defines an array to be used as a buffer for Micro Trace
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// Buffer (MTB) instruction trace on Cortex-M0+ parts
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//
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// Version : 130502
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//
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// Software License Agreement
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//
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// The software is owned by Code Red Technologies and/or its suppliers, and is
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// protected under applicable copyright laws. All rights are reserved. Any
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// use in violation of the foregoing restrictions may subject the user to criminal
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// sanctions under applicable laws, as well as to civil liability for the breach
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// of the terms and conditions of this license.
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//
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// THIS SOFTWARE IS PROVIDED "AS IS". NO WARRANTIES, WHETHER EXPRESS, IMPLIED
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// OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
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// MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE.
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// USE OF THIS SOFTWARE FOR COMMERCIAL DEVELOPMENT AND/OR EDUCATION IS SUBJECT
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// TO A CURRENT END USER LICENSE AGREEMENT (COMMERCIAL OR EDUCATIONAL) WITH
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// CODE RED TECHNOLOGIES LTD.
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//
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//*****************************************************************************
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/*******************************************************************
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* Symbols controlling behavior of this code...
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*
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* __MTB_DISABLE
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* If this symbol is defined, then the buffer array for the MTB
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* will not be created.
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*
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* __MTB_BUFFER_SIZE
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* Symbol specifying the sizer of the buffer array for the MTB.
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* This must be a power of 2 in size, and fit into the available
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* RAM. The MTB buffer will also be aligned to its 'size'
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* boundary and be placed at the start of a RAM bank (which
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* should ensure minimal or zero padding due to alignment).
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*
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* __MTB_RAM_BANK
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* Allows MTB Buffer to be placed into specific RAM bank. When
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* this is not defined, the "default" (first if there are
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* several) RAM bank is used.
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*******************************************************************/
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// Ignore with none Code Red tools
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#if defined (__CODE_RED)
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// Allow MTB to be removed by setting a define (via command line)
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#if !defined (__MTB_DISABLE)
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// Allow for MTB buffer size being set by define set via command line
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// Otherwise provide small default buffer
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#if !defined (__MTB_BUFFER_SIZE)
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#define __MTB_BUFFER_SIZE 128
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#endif
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// Check that buffer size requested is >0 bytes in size
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#if (__MTB_BUFFER_SIZE > 0)
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// Pull in MTB related macros
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#include <cr_mtb_buffer.h>
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// Check if MYTB buffer is to be placed in specific RAM bank
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#if defined(__MTB_RAM_BANK)
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// Place MTB buffer into explicit bank of RAM
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__CR_MTB_BUFFER_EXT(__MTB_BUFFER_SIZE,__MTB_RAM_BANK);
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#else
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// Place MTB buffer into 'default' bank of RAM
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__CR_MTB_BUFFER(__MTB_BUFFER_SIZE);
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#endif // defined(__MTB_RAM_BANK)
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#endif // (__MTB_BUFFER_SIZE > 0)
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#endif // !defined (__MTB_DISABLE)
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#endif // defined (__CODE_RED)
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