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jesus |
//
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// Binary and intel/motorola hex to VHDL ROM entity converter
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//
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// Version : 0215
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//
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// Copyright (c) 2001-2002 Daniel Wallner (jesus@opencores.org)
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//
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// All rights reserved
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//
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// Redistribution and use in source and binary forms, with or without
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// modification, are permitted provided that the following conditions are met:
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//
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// Redistributions of source code must retain the above copyright notice,
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// this list of conditions and the following disclaimer.
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//
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// Redistributions in binary form must reproduce the above copyright
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// notice, this list of conditions and the following disclaimer in the
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// documentation and/or other materials provided with the distribution.
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//
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// Neither the name of the author nor the names of other contributors may
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// be used to endorse or promote products derived from this software without
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// specific prior written permission.
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//
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// THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
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// AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
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// THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
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// PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE
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// LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
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// CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
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// SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
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// INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
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// CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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// ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
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// POSSIBILITY OF SUCH DAMAGE.
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//
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// Please report bugs to the author, but before you do so, please
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// make sure that this is not a derivative work and that
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// you have the latest version of this file.
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//
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// The latest version of this file can be found at:
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// http://www.opencores.org/cvsweb.shtml/t51/
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//
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// Limitations :
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// No support for wrapped intel segments
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// Requires stl to compile
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//
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// File history :
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//
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// 0146 : Initial release
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//
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// 0150 : Added binary read
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//
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// 0208 : Changed some errors to warnings
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//
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// 0215 : Added support for synchronous ROM
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//
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#include <stdio.h>
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#include <string>
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#include <vector>
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#include <iostream>
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using namespace std;
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#if !(defined(max)) && _MSC_VER
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// VC fix
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#define max __max
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#endif
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class MemBlock
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{
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public:
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unsigned long m_startAddress;
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vector<unsigned char> m_bytes;
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};
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class File
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{
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public:
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explicit File(const char *fileName, const char *mode)
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{
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m_file = fopen(fileName, mode);
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if (m_file != NULL)
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{
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return;
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}
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string errorStr = "Error opening ";
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errorStr += fileName;
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errorStr += "\n";
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throw errorStr;
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}
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~File()
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{
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fclose(m_file);
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}
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// Read binary file
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void ReadBin(unsigned long limit)
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{
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m_top = 0;
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m_chunks.push_back(MemBlock());
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m_chunks.back().m_startAddress = 0;
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cerr << "Reading binary file\n";
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int tmp = fgetc(m_file);
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while (!feof(m_file))
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{
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m_chunks.back().m_bytes.push_back(tmp);
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if (m_chunks.back().m_bytes.size() > limit + 1)
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{
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m_chunks.back().m_bytes.pop_back();
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m_top = m_chunks.back().m_bytes.size() - 1;
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cerr << "Ignoring data above address space!\n";
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cerr << " Limit: " << limit << "\n";
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return;
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}
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tmp = fgetc(m_file);
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}
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m_top = m_chunks.back().m_bytes.size() - 1;
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if (!m_chunks.back().m_bytes.size())
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{
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cerr << "No data!\n";
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m_chunks.pop_back();
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}
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}
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// Read hex file
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void ReadHex(unsigned long limit)
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{
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char szLine[1024];
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bool formatDetected = false;
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bool intel;
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bool endSeen = false;
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bool linear = true; // Only used for intel hex
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unsigned long addressBase = 0; // Only used for intel hex
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unsigned long dataRecords = 0; // Only used for s-record
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while (!feof(m_file))
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{
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if (fgets(szLine, 1024, m_file) == 0)
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{
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if (ferror(m_file))
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{
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throw "Error reading input!\n";
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}
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continue;
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}
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if (szLine[strlen(szLine) - 1] == 0xA || szLine[strlen(szLine) - 1] == 0xD)
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{
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szLine[strlen(szLine) - 1] = 0;
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}
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if (szLine[strlen(szLine) - 1] == 0xA || szLine[strlen(szLine) - 1] == 0xD)
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{
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szLine[strlen(szLine) - 1] = 0;
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}
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if (strlen(szLine) == 1023)
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{
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throw "Hex file lines to long!\n";
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}
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// Ignore blank lines
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if (szLine[0] == '\n')
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{
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continue;
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}
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// Detect format and warn if garbage lines are found
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if (!formatDetected)
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{
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if (szLine[0] != ':' && szLine[0] != 'S')
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{
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cerr << "Ignoring garbage line!\n";
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continue;
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}
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if (szLine[0] == 'S')
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{
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intel = false;
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cerr << "Detected S-Record\n";
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}
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else
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{
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intel = true;
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cerr << "Detected intel hex file\n";
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}
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formatDetected = true;
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}
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else if ((intel && szLine[0] != ':') ||
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(!intel && szLine[0] != 'S'))
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{
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cerr << "Ignoring garbage line!\n";
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continue;
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}
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if (endSeen)
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{
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throw "Hex line after end of file record!\n";
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}
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if (intel)
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{
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unsigned long dataBytes;
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unsigned long startAddress;
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unsigned long type;
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if (sscanf(&szLine[1], "%2lx%4lx%2lx", &dataBytes, &startAddress, &type) != 3)
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{
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throw "Hex line beginning corrupt!\n";
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}
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// Check line length
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if (szLine[11 + dataBytes * 2] != '\n' && szLine[11 + dataBytes * 2] != 0)
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{
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| 220 |
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throw "Hex line length incorrect!\n";
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}
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// Check line checksum
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| 223 |
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unsigned char checkSum = 0;
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| 224 |
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unsigned long tmp;
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| 225 |
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for (unsigned int i = 0; i <= dataBytes + 4; ++i)
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{
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| 227 |
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if (sscanf(&szLine[1 + i * 2], "%2lx", &tmp) != 1)
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| 228 |
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{
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| 229 |
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throw "Hex line data corrupt!\n";
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| 230 |
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}
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| 231 |
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checkSum += tmp;
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}
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| 233 |
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if (checkSum != 0)
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{
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| 235 |
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throw "Hex line checksum error!\n";
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}
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| 237 |
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| 238 |
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switch (type)
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{
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| 240 |
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case 0:
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| 241 |
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// Data record
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| 242 |
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if (!linear)
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{
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| 244 |
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// Segmented
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| 245 |
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unsigned long test = startAddress;
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test += dataBytes;
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if (test > 0xffff)
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| 248 |
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{
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| 249 |
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throw "Can't handle wrapped segments!\n";
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| 250 |
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}
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| 251 |
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}
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| 252 |
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if (!m_chunks.size() ||
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| 253 |
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m_chunks.back().m_startAddress + m_chunks.back().m_bytes.size() !=
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| 254 |
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addressBase + startAddress)
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| 255 |
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{
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| 256 |
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m_chunks.push_back(MemBlock());
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| 257 |
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m_chunks.back().m_startAddress = addressBase + startAddress;
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| 258 |
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}
|
| 259 |
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{
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| 260 |
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unsigned char i = 0;
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| 261 |
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for (i = 0; i < dataBytes; ++i)
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| 262 |
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{
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| 263 |
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sscanf(&szLine[9 + i * 2], "%2lx", &tmp);
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| 264 |
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if (addressBase + startAddress + i > limit)
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| 265 |
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{
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| 266 |
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cerr << "Ignoring data above address space!\n";
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| 267 |
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cerr << "Data address: " << addressBase + startAddress + i;
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| 268 |
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cerr << " Limit: " << limit << "\n";
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| 269 |
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if (!m_chunks.back().m_bytes.size())
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| 270 |
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{
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| 271 |
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m_chunks.pop_back();
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| 272 |
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}
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| 273 |
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continue;
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| 274 |
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}
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| 275 |
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m_chunks.back().m_bytes.push_back(tmp);
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| 276 |
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}
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| 277 |
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}
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| 278 |
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break;
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| 279 |
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| 280 |
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case 1:
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| 281 |
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// End-of-file record
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| 282 |
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if (dataBytes != 0)
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| 283 |
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{
|
| 284 |
|
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cerr << "Warning: End of file record not zero length!\n";
|
| 285 |
|
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}
|
| 286 |
|
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if (startAddress != 0)
|
| 287 |
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{
|
| 288 |
|
|
cerr << "Warning: End of file record address not zero!\n";
|
| 289 |
|
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}
|
| 290 |
|
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endSeen = true;
|
| 291 |
|
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break;
|
| 292 |
|
|
|
| 293 |
|
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case 2:
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| 294 |
|
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// Extended segment address record
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| 295 |
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if (dataBytes != 2)
|
| 296 |
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{
|
| 297 |
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throw "Length field must be 2 in extended segment address record!\n";
|
| 298 |
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}
|
| 299 |
|
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if (startAddress != 0)
|
| 300 |
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{
|
| 301 |
|
|
throw "Address field must be zero in extended segment address record!\n";
|
| 302 |
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}
|
| 303 |
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sscanf(&szLine[9], "%4lx", &startAddress);
|
| 304 |
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addressBase = startAddress << 4;
|
| 305 |
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linear = false;
|
| 306 |
|
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break;
|
| 307 |
|
|
|
| 308 |
|
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case 3:
|
| 309 |
|
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// Start segment address record
|
| 310 |
|
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if (dataBytes != 4)
|
| 311 |
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{
|
| 312 |
|
|
cerr << "Warning: Length field must be 4 in start segment address record!\n";
|
| 313 |
|
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}
|
| 314 |
|
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if (startAddress != 0)
|
| 315 |
|
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{
|
| 316 |
|
|
cerr << "Warning: Address field must be zero in start segment address record!\n";
|
| 317 |
|
|
}
|
| 318 |
|
|
if (dataBytes == 4)
|
| 319 |
|
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{
|
| 320 |
|
|
unsigned long ssa;
|
| 321 |
|
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char ssaStr[16];
|
| 322 |
|
|
sscanf(&szLine[9], "%8lx", &ssa);
|
| 323 |
|
|
sprintf(ssaStr, "%08X\n", ssa);
|
| 324 |
|
|
cerr << "Segment start address (CS/IP): ";
|
| 325 |
|
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cerr << ssaStr;
|
| 326 |
|
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}
|
| 327 |
|
|
break;
|
| 328 |
|
|
|
| 329 |
|
|
case 4:
|
| 330 |
|
|
// Extended linear address record
|
| 331 |
|
|
if (dataBytes != 2)
|
| 332 |
|
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{
|
| 333 |
|
|
throw "Length field must be 2 in extended linear address record!\n";
|
| 334 |
|
|
}
|
| 335 |
|
|
if (startAddress != 0)
|
| 336 |
|
|
{
|
| 337 |
|
|
throw "Address field must be zero in extended linear address record!\n";
|
| 338 |
|
|
}
|
| 339 |
|
|
sscanf(&szLine[9], "%4lx", &startAddress);
|
| 340 |
|
|
addressBase = ((unsigned long)startAddress) << 16;
|
| 341 |
|
|
linear = true;
|
| 342 |
|
|
break;
|
| 343 |
|
|
|
| 344 |
|
|
case 5:
|
| 345 |
|
|
// Start linear address record
|
| 346 |
|
|
if (dataBytes != 4)
|
| 347 |
|
|
{
|
| 348 |
|
|
cerr << "Warning: Length field must be 4 in start linear address record!\n";
|
| 349 |
|
|
}
|
| 350 |
|
|
if (startAddress != 0)
|
| 351 |
|
|
{
|
| 352 |
|
|
cerr << "Warning: Address field must be zero in start linear address record!\n";
|
| 353 |
|
|
}
|
| 354 |
|
|
if (dataBytes == 4)
|
| 355 |
|
|
{
|
| 356 |
|
|
unsigned long lsa;
|
| 357 |
|
|
char lsaStr[16];
|
| 358 |
|
|
sscanf(&szLine[9], "%8lx", &lsa);
|
| 359 |
|
|
sprintf(lsaStr, "%08X\n", lsa);
|
| 360 |
|
|
cerr << "Linear start address: ";
|
| 361 |
|
|
cerr << lsaStr;
|
| 362 |
|
|
}
|
| 363 |
|
|
break;
|
| 364 |
|
|
|
| 365 |
|
|
default:
|
| 366 |
|
|
cerr << "Waring: Unknown record found!\n";
|
| 367 |
|
|
}
|
| 368 |
|
|
}
|
| 369 |
|
|
else
|
| 370 |
|
|
{
|
| 371 |
|
|
// S-record
|
| 372 |
|
|
unsigned long count;
|
| 373 |
|
|
char type;
|
| 374 |
|
|
if (sscanf(&szLine[1], "%c%2lx", &type, &count) != 2)
|
| 375 |
|
|
{
|
| 376 |
|
|
throw "Hex line beginning corrupt!\n";
|
| 377 |
|
|
}
|
| 378 |
|
|
// Check line length
|
| 379 |
|
|
if (szLine[4 + count * 2] != '\n' && szLine[4 + count * 2] != 0)
|
| 380 |
|
|
{
|
| 381 |
|
|
throw "Hex line length incorrect!\n";
|
| 382 |
|
|
}
|
| 383 |
|
|
// Check line checksum
|
| 384 |
|
|
unsigned char checkSum = 0;
|
| 385 |
|
|
unsigned long tmp;
|
| 386 |
|
|
for (unsigned int i = 0; i < count + 1; ++i)
|
| 387 |
|
|
{
|
| 388 |
|
|
if (sscanf(&szLine[2 + i * 2], "%2lx", &tmp) != 1)
|
| 389 |
|
|
{
|
| 390 |
|
|
throw "Hex line data corrupt!\n";
|
| 391 |
|
|
}
|
| 392 |
|
|
checkSum += tmp;
|
| 393 |
|
|
}
|
| 394 |
|
|
if (checkSum != 255)
|
| 395 |
|
|
{
|
| 396 |
|
|
throw "Hex line checksum error!\n";
|
| 397 |
|
|
}
|
| 398 |
|
|
|
| 399 |
|
|
switch (type)
|
| 400 |
|
|
{
|
| 401 |
|
|
case '0':
|
| 402 |
|
|
// Header record
|
| 403 |
|
|
{
|
| 404 |
|
|
char header[256];
|
| 405 |
|
|
unsigned char i = 0;
|
| 406 |
|
|
for (i = 0; i + 3 < count; ++i)
|
| 407 |
|
|
{
|
| 408 |
|
|
sscanf(&szLine[8 + i * 2], "%2lx", &tmp);
|
| 409 |
|
|
header[i] = tmp;
|
| 410 |
|
|
}
|
| 411 |
|
|
header[i] = 0;
|
| 412 |
|
|
if (i > 0)
|
| 413 |
|
|
{
|
| 414 |
|
|
cerr << "Module name: " << header << "\n";
|
| 415 |
|
|
}
|
| 416 |
|
|
}
|
| 417 |
|
|
break;
|
| 418 |
|
|
|
| 419 |
|
|
case '1':
|
| 420 |
|
|
case '2':
|
| 421 |
|
|
case '3':
|
| 422 |
|
|
// Data record
|
| 423 |
|
|
{
|
| 424 |
|
|
dataRecords++;
|
| 425 |
|
|
unsigned long startAddress;
|
| 426 |
|
|
if (type == '1')
|
| 427 |
|
|
{
|
| 428 |
|
|
sscanf(&szLine[4], "%4lx", &startAddress);
|
| 429 |
|
|
}
|
| 430 |
|
|
else if (type == '2')
|
| 431 |
|
|
{
|
| 432 |
|
|
sscanf(&szLine[4], "%6lx", &startAddress);
|
| 433 |
|
|
}
|
| 434 |
|
|
else
|
| 435 |
|
|
{
|
| 436 |
|
|
sscanf(&szLine[4], "%8lx", &startAddress);
|
| 437 |
|
|
}
|
| 438 |
|
|
|
| 439 |
|
|
if (!m_chunks.size() ||
|
| 440 |
|
|
m_chunks.back().m_startAddress + m_chunks.back().m_bytes.size() !=
|
| 441 |
|
|
startAddress)
|
| 442 |
|
|
{
|
| 443 |
|
|
m_chunks.push_back(MemBlock());
|
| 444 |
|
|
m_chunks.back().m_startAddress = startAddress;
|
| 445 |
|
|
}
|
| 446 |
|
|
unsigned char i = 0;
|
| 447 |
|
|
for (i = (type - '1'); i + 3 < count; ++i)
|
| 448 |
|
|
{
|
| 449 |
|
|
sscanf(&szLine[8 + i * 2], "%2lx", &tmp);
|
| 450 |
|
|
if (startAddress + i > limit)
|
| 451 |
|
|
{
|
| 452 |
|
|
cerr << "Ignoring data above address space!\n";
|
| 453 |
|
|
cerr << "Data address: " << startAddress + i;
|
| 454 |
|
|
cerr << " Limit: " << limit << "\n";
|
| 455 |
|
|
if (!m_chunks.back().m_bytes.size())
|
| 456 |
|
|
{
|
| 457 |
|
|
m_chunks.pop_back();
|
| 458 |
|
|
}
|
| 459 |
|
|
continue;
|
| 460 |
|
|
}
|
| 461 |
|
|
m_chunks.back().m_bytes.push_back(tmp);
|
| 462 |
|
|
}
|
| 463 |
|
|
}
|
| 464 |
|
|
break;
|
| 465 |
|
|
|
| 466 |
|
|
case '5':
|
| 467 |
|
|
// Count record
|
| 468 |
|
|
{
|
| 469 |
|
|
unsigned long address;
|
| 470 |
|
|
sscanf(&szLine[4], "%4lx", &address);
|
| 471 |
|
|
if (address != dataRecords)
|
| 472 |
|
|
{
|
| 473 |
|
|
throw "Wrong number of data records!\n";
|
| 474 |
|
|
}
|
| 475 |
|
|
}
|
| 476 |
|
|
break;
|
| 477 |
|
|
|
| 478 |
|
|
case '7':
|
| 479 |
|
|
case '8':
|
| 480 |
|
|
case '9':
|
| 481 |
|
|
// Start address record
|
| 482 |
|
|
cerr << "Ignoring start address record!\n";
|
| 483 |
|
|
break;
|
| 484 |
|
|
|
| 485 |
|
|
default:
|
| 486 |
|
|
cerr << "Unknown record found!\n";
|
| 487 |
|
|
}
|
| 488 |
|
|
}
|
| 489 |
|
|
}
|
| 490 |
|
|
if (intel && !endSeen)
|
| 491 |
|
|
{
|
| 492 |
|
|
cerr << "No end of file record!\n";
|
| 493 |
|
|
}
|
| 494 |
|
|
if (!m_chunks.size())
|
| 495 |
|
|
{
|
| 496 |
|
|
throw "No data in file!\n";
|
| 497 |
|
|
}
|
| 498 |
|
|
vector<MemBlock>::iterator vi;
|
| 499 |
|
|
m_top = 0;
|
| 500 |
|
|
for (vi = m_chunks.begin(); vi < m_chunks.end(); vi++)
|
| 501 |
|
|
{
|
| 502 |
|
|
m_top = max(m_top, vi->m_startAddress + vi->m_bytes.size() - 1);
|
| 503 |
|
|
}
|
| 504 |
|
|
}
|
| 505 |
|
|
|
| 506 |
|
|
// Rather inefficient this one, fix sometime
|
| 507 |
|
|
bool GetByte(const unsigned long address, unsigned char &chr)
|
| 508 |
|
|
{
|
| 509 |
|
|
vector<MemBlock>::iterator vi;
|
| 510 |
|
|
|
| 511 |
|
|
for (vi = m_chunks.begin(); vi < m_chunks.end(); vi++)
|
| 512 |
|
|
{
|
| 513 |
|
|
if (vi->m_startAddress + vi->m_bytes.size() > address && vi->m_startAddress <= address)
|
| 514 |
|
|
{
|
| 515 |
|
|
break;
|
| 516 |
|
|
}
|
| 517 |
|
|
}
|
| 518 |
|
|
if (vi == m_chunks.end())
|
| 519 |
|
|
{
|
| 520 |
|
|
return false;
|
| 521 |
|
|
}
|
| 522 |
|
|
chr = vi->m_bytes[address - vi->m_startAddress];
|
| 523 |
|
|
return true;
|
| 524 |
|
|
}
|
| 525 |
|
|
|
| 526 |
|
|
bool BitString(const unsigned long address, const unsigned char bits, const bool lEndian, string &str)
|
| 527 |
|
|
{
|
| 528 |
|
|
bool ok = false;
|
| 529 |
|
|
long i;
|
| 530 |
|
|
unsigned char chr;
|
| 531 |
|
|
unsigned long data = 0;
|
| 532 |
|
|
unsigned long tmp;
|
| 533 |
|
|
|
| 534 |
|
|
if (lEndian)
|
| 535 |
|
|
{
|
| 536 |
|
|
for (i = 0; i < (bits + 7) / 8; ++i)
|
| 537 |
|
|
{
|
| 538 |
|
|
ok |= GetByte(address + i, chr);
|
| 539 |
|
|
tmp = chr;
|
| 540 |
|
|
data |= tmp << (8 * i);
|
| 541 |
|
|
}
|
| 542 |
|
|
}
|
| 543 |
|
|
else
|
| 544 |
|
|
{
|
| 545 |
|
|
for (i = 0; i < (bits + 7) / 8; ++i)
|
| 546 |
|
|
{
|
| 547 |
|
|
ok |= GetByte(address + i, chr);
|
| 548 |
|
|
tmp = chr;
|
| 549 |
|
|
data |= tmp << (8 * ((bits + 7) / 8 - i - 1));
|
| 550 |
|
|
}
|
| 551 |
|
|
}
|
| 552 |
|
|
|
| 553 |
|
|
if (!ok)
|
| 554 |
|
|
{
|
| 555 |
|
|
return false;
|
| 556 |
|
|
}
|
| 557 |
|
|
|
| 558 |
|
|
unsigned long mask = 1;
|
| 559 |
|
|
|
| 560 |
|
|
str = "";
|
| 561 |
|
|
for (i = 0; i < bits; i++)
|
| 562 |
|
|
{
|
| 563 |
|
|
if (data & mask)
|
| 564 |
|
|
{
|
| 565 |
|
|
str.insert(0,"1");
|
| 566 |
|
|
}
|
| 567 |
|
|
else
|
| 568 |
|
|
{
|
| 569 |
|
|
str.insert(0,"0");
|
| 570 |
|
|
}
|
| 571 |
|
|
mask <<= 1;
|
| 572 |
|
|
}
|
| 573 |
|
|
return true;
|
| 574 |
|
|
}
|
| 575 |
|
|
|
| 576 |
|
|
FILE *Handle() { return m_file; };
|
| 577 |
|
|
vector<MemBlock> m_chunks;
|
| 578 |
|
|
unsigned long m_top;
|
| 579 |
|
|
private:
|
| 580 |
|
|
FILE *m_file;
|
| 581 |
|
|
};
|
| 582 |
|
|
|
| 583 |
|
|
|
| 584 |
|
|
int main (int argc, char *argv[])
|
| 585 |
|
|
{
|
| 586 |
|
|
cerr << "Hex to VHDL ROM converter by Daniel Wallner. Version 0215\n";
|
| 587 |
|
|
|
| 588 |
|
|
try
|
| 589 |
|
|
{
|
| 590 |
|
|
unsigned long aWidth;
|
| 591 |
|
|
unsigned long dWidth;
|
| 592 |
|
|
char endian;
|
| 593 |
|
|
char O = 0;
|
| 594 |
|
|
|
| 595 |
|
|
if (!(argc == 4 || argc == 5))
|
| 596 |
|
|
{
|
| 597 |
|
|
cerr << "\nUsage: hex2rom [-b] <input file> <entity name> <format>\n";
|
| 598 |
|
|
cerr << "\nIf the -b option is specified the file is read as a binary file\n";
|
| 599 |
|
|
cerr << "Hex input files must be intel hex or motorola s-record\n";
|
| 600 |
|
|
cerr << "\nThe format string has the format AEDO where:\n";
|
| 601 |
|
|
cerr << " A = Address bits\n";
|
| 602 |
|
|
cerr << " E = Endianness, l or b\n";
|
| 603 |
|
|
cerr << " D = Data bits\n";
|
| 604 |
|
|
cerr << " O = ROM type: (one optional character)\n";
|
| 605 |
|
|
cerr << " z for tri-state output\n";
|
| 606 |
|
|
cerr << " a for array ROM \n";
|
| 607 |
|
|
cerr << " s for synchronous ROM \n";
|
| 608 |
|
|
cerr << "\nExample:\n";
|
| 609 |
|
|
cerr << " hex2rom test.hex Test_ROM 18b16z\n\n";
|
| 610 |
|
|
return -1;
|
| 611 |
|
|
}
|
| 612 |
|
|
|
| 613 |
|
|
string inFileName;
|
| 614 |
|
|
string outFileName;
|
| 615 |
|
|
|
| 616 |
|
|
unsigned long bytes;
|
| 617 |
|
|
|
| 618 |
|
|
if (argc == 4)
|
| 619 |
|
|
{
|
| 620 |
|
|
int result;
|
| 621 |
|
|
result = sscanf(argv[3], "%lu%c%lu%c", &aWidth, &endian, &dWidth, &O);
|
| 622 |
|
|
if (result < 3)
|
| 623 |
|
|
{
|
| 624 |
|
|
throw "Error in output format argument!\n";
|
| 625 |
|
|
}
|
| 626 |
|
|
|
| 627 |
|
|
if (aWidth > 32 || (endian != 'l' && endian != 'b') || dWidth > 32 || (result > 3 && O != 'z' && O != 'a' && O != 's'))
|
| 628 |
|
|
{
|
| 629 |
|
|
throw "Error in output format argument!\n";
|
| 630 |
|
|
}
|
| 631 |
|
|
inFileName = argv[1];
|
| 632 |
|
|
outFileName = argv[2];
|
| 633 |
|
|
}
|
| 634 |
|
|
else
|
| 635 |
|
|
{
|
| 636 |
|
|
if (strcmp(argv[1], "-b"))
|
| 637 |
|
|
{
|
| 638 |
|
|
throw "Error in arguments!\n";
|
| 639 |
|
|
}
|
| 640 |
|
|
|
| 641 |
|
|
int result;
|
| 642 |
|
|
result = sscanf(argv[4], "%lu%c%lu%c", &aWidth, &endian, &dWidth, &O);
|
| 643 |
|
|
if (result < 3)
|
| 644 |
|
|
{
|
| 645 |
|
|
throw "Error in output format argument!\n";
|
| 646 |
|
|
}
|
| 647 |
|
|
|
| 648 |
|
|
if (aWidth > 32 || (endian != 'l' && endian != 'b') || dWidth > 32 || (result > 3 && O != 'z' && O != 'a' && O != 's'))
|
| 649 |
|
|
{
|
| 650 |
|
|
throw "Error in output format argument!\n";
|
| 651 |
|
|
}
|
| 652 |
|
|
inFileName = argv[2];
|
| 653 |
|
|
outFileName = argv[3];
|
| 654 |
|
|
}
|
| 655 |
|
|
|
| 656 |
|
|
bytes = (dWidth + 7) / 8;
|
| 657 |
|
|
|
| 658 |
|
|
File inFile(inFileName.c_str(), "rb");
|
| 659 |
|
|
|
| 660 |
|
|
if (argc == 4)
|
| 661 |
|
|
{
|
| 662 |
|
|
inFile.ReadHex((1UL << aWidth) * bytes - 1);
|
| 663 |
|
|
}
|
| 664 |
|
|
else
|
| 665 |
|
|
{
|
| 666 |
|
|
inFile.ReadBin((1UL << aWidth) * bytes - 1);
|
| 667 |
|
|
}
|
| 668 |
|
|
|
| 669 |
|
|
string outFileNameWE = outFileName + ".vhd";
|
| 670 |
|
|
File outFile(outFileNameWE.c_str(), "wt");
|
| 671 |
|
|
|
| 672 |
|
|
string line;
|
| 673 |
|
|
|
| 674 |
|
|
unsigned long words = 1;
|
| 675 |
|
|
unsigned long i = inFile.m_top;
|
| 676 |
|
|
i /= bytes;
|
| 677 |
|
|
|
| 678 |
|
|
while (i != 0)
|
| 679 |
|
|
{
|
| 680 |
|
|
i >>= 1;
|
| 681 |
|
|
words <<= 1;
|
| 682 |
|
|
}
|
| 683 |
|
|
|
| 684 |
|
|
fprintf(outFile.Handle(), "-- This file was generated with hex2rom written by Daniel Wallner\n");
|
| 685 |
|
|
fprintf(outFile.Handle(), "\nlibrary IEEE;");
|
| 686 |
|
|
fprintf(outFile.Handle(), "\nuse IEEE.std_logic_1164.all;");
|
| 687 |
|
|
fprintf(outFile.Handle(), "\nuse IEEE.numeric_std.all;");
|
| 688 |
|
|
fprintf(outFile.Handle(), "\n\nentity %s is", outFileName.c_str());
|
| 689 |
|
|
fprintf(outFile.Handle(), "\n\tport(");
|
| 690 |
|
|
if (O == 'z')
|
| 691 |
|
|
{
|
| 692 |
|
|
fprintf(outFile.Handle(), "\n\t\tCE_n\t: in std_logic;", dWidth - 1);
|
| 693 |
|
|
fprintf(outFile.Handle(), "\n\t\tOE_n\t: in std_logic;", dWidth - 1);
|
| 694 |
|
|
}
|
| 695 |
|
|
if (O == 's')
|
| 696 |
|
|
{
|
| 697 |
|
|
fprintf(outFile.Handle(), "\n\t\tClk\t: in std_logic;", dWidth - 1);
|
| 698 |
|
|
}
|
| 699 |
|
|
fprintf(outFile.Handle(), "\n\t\tA\t: in std_logic_vector(%d downto 0);", aWidth - 1);
|
| 700 |
|
|
fprintf(outFile.Handle(), "\n\t\tD\t: out std_logic_vector(%d downto 0)", dWidth - 1);
|
| 701 |
|
|
fprintf(outFile.Handle(), "\n\t);");
|
| 702 |
|
|
fprintf(outFile.Handle(), "\nend %s;", outFileName.c_str());
|
| 703 |
|
|
fprintf(outFile.Handle(), "\n\narchitecture rtl of %s is", outFileName.c_str());
|
| 704 |
|
|
if (!O)
|
| 705 |
|
|
{
|
| 706 |
|
|
fprintf(outFile.Handle(), "\nbegin");
|
| 707 |
|
|
fprintf(outFile.Handle(), "\n\tprocess (A)");
|
| 708 |
|
|
fprintf(outFile.Handle(), "\n\tbegin");
|
| 709 |
|
|
fprintf(outFile.Handle(), "\n\t\tcase to_integer(unsigned(A)) is");
|
| 710 |
|
|
}
|
| 711 |
|
|
else if (O == 's')
|
| 712 |
|
|
{
|
| 713 |
|
|
fprintf(outFile.Handle(), "\n\tsignal A_r : std_logic_vector(%d downto 0);", aWidth - 1);
|
| 714 |
|
|
fprintf(outFile.Handle(), "\nbegin");
|
| 715 |
|
|
fprintf(outFile.Handle(), "\n\tprocess (Clk)");
|
| 716 |
|
|
fprintf(outFile.Handle(), "\n\tbegin");
|
| 717 |
|
|
fprintf(outFile.Handle(), "\n\t\tif Clk'event and Clk = '1' then");
|
| 718 |
|
|
fprintf(outFile.Handle(), "\n\t\t\tA_r <= A;");
|
| 719 |
|
|
fprintf(outFile.Handle(), "\n\t\tend if;");
|
| 720 |
|
|
fprintf(outFile.Handle(), "\n\tend process;");
|
| 721 |
|
|
fprintf(outFile.Handle(), "\n\tprocess (A_r)");
|
| 722 |
|
|
fprintf(outFile.Handle(), "\n\tbegin");
|
| 723 |
|
|
fprintf(outFile.Handle(), "\n\t\tcase to_integer(unsigned(A_r)) is");
|
| 724 |
|
|
}
|
| 725 |
|
|
else
|
| 726 |
|
|
{
|
| 727 |
|
|
fprintf(outFile.Handle(), "\n\tsubtype ROM_WORD is std_logic_vector(%d downto 0);", dWidth - 1);
|
| 728 |
|
|
fprintf(outFile.Handle(), "\n\ttype ROM_TABLE is array(0 to %d) of ROM_WORD;", words - 1);
|
| 729 |
|
|
fprintf(outFile.Handle(), "\n\tconstant ROM: ROM_TABLE := ROM_TABLE'(");
|
| 730 |
|
|
}
|
| 731 |
|
|
|
| 732 |
|
|
string str;
|
| 733 |
|
|
string strDC;
|
| 734 |
|
|
for (i = 0; i < dWidth; i++)
|
| 735 |
|
|
{
|
| 736 |
|
|
strDC.insert(0, "-");
|
| 737 |
|
|
}
|
| 738 |
|
|
for (i = 0; i < words; i++)
|
| 739 |
|
|
{
|
| 740 |
|
|
if (!inFile.BitString(i * bytes, dWidth, endian == 'l', str))
|
| 741 |
|
|
{
|
| 742 |
|
|
str = strDC;
|
| 743 |
|
|
}
|
| 744 |
|
|
if (!O || O == 's')
|
| 745 |
|
|
{
|
| 746 |
|
|
if (inFile.m_top / bytes >= i)
|
| 747 |
|
|
{
|
| 748 |
|
|
fprintf(outFile.Handle(),
|
| 749 |
|
|
"\n\t\twhen %06d => D <= \"%s\";",i, str.c_str());
|
| 750 |
|
|
fprintf(outFile.Handle(), "\t-- 0x%04X", i * bytes);
|
| 751 |
|
|
}
|
| 752 |
|
|
}
|
| 753 |
|
|
else
|
| 754 |
|
|
{
|
| 755 |
|
|
fprintf(outFile.Handle(), "\n\t\tROM_WORD'(\"%s", str.c_str());
|
| 756 |
|
|
if (i != words - 1)
|
| 757 |
|
|
{
|
| 758 |
|
|
fprintf(outFile.Handle(), "\"),");
|
| 759 |
|
|
}
|
| 760 |
|
|
else
|
| 761 |
|
|
{
|
| 762 |
|
|
fprintf(outFile.Handle(), "\"));");
|
| 763 |
|
|
}
|
| 764 |
|
|
fprintf(outFile.Handle(), "\t-- 0x%04X", i * bytes);
|
| 765 |
|
|
}
|
| 766 |
|
|
}
|
| 767 |
|
|
|
| 768 |
|
|
if (!O || O == 's')
|
| 769 |
|
|
{
|
| 770 |
|
|
fprintf(outFile.Handle(), "\n\t\twhen others => D <= \"%s\";", strDC.c_str());
|
| 771 |
|
|
fprintf(outFile.Handle(), "\n\t\tend case;");
|
| 772 |
|
|
fprintf(outFile.Handle(), "\n\tend process;");
|
| 773 |
|
|
}
|
| 774 |
|
|
else
|
| 775 |
|
|
{
|
| 776 |
|
|
fprintf(outFile.Handle(), "\nbegin");
|
| 777 |
|
|
if (O == 'z')
|
| 778 |
|
|
{
|
| 779 |
|
|
fprintf(outFile.Handle(), "\n\tD <= ROM(to_integer(unsigned(A))) when CE_n = '0' and OE_n = '0' else (others => 'Z');");
|
| 780 |
|
|
}
|
| 781 |
|
|
else
|
| 782 |
|
|
{
|
| 783 |
|
|
fprintf(outFile.Handle(), "\n\tD <= ROM(to_integer(unsigned(A)));");
|
| 784 |
|
|
}
|
| 785 |
|
|
}
|
| 786 |
|
|
fprintf(outFile.Handle(), "\nend;\n");
|
| 787 |
|
|
|
| 788 |
|
|
return 0;
|
| 789 |
|
|
}
|
| 790 |
|
|
catch (string error)
|
| 791 |
|
|
{
|
| 792 |
|
|
cerr << "Fatal: " << error;
|
| 793 |
|
|
}
|
| 794 |
|
|
catch (const char *error)
|
| 795 |
|
|
{
|
| 796 |
|
|
cerr << "Fatal: " << error;
|
| 797 |
|
|
}
|
| 798 |
|
|
return -1;
|
| 799 |
|
|
}
|
