45f85cd29d
git-svn-id: http://www.cdkersey.com/harp/harptool@126 0246edb2-e076-4747-b392-db732a341fa2
65 lines
1.6 KiB
C++
65 lines
1.6 KiB
C++
// bin2mif -- Convert binary file to Memory Initialization File used by some
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// FPGA toolchains.
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#include <iostream>
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#include <iomanip>
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#include <fstream>
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#include <cstdlib>
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#include <stack>
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int main(int argc, char** argv) {
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using namespace std;
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if (argc != 5) {
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cerr << "Usage:\n " << argv[0] << ' ' << "<word size(bytes)>"
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<< " <mem size(bytes)> <in file> <out file>\n";;
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return 1;
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}
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ifstream in(argv[3]);
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ofstream out(argv[4]);
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if (!in) {
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cerr << "Failed to open input file \"" << argv[3] << "\"\n";
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return 1;
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}
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if (!out) {
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cerr << "Failed to open output file \"" << argv[4] << "\"\n";
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return 1;
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}
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unsigned word(atol(argv[1])), mem_sz(atol(argv[2])/word);
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out << "DEPTH = " << mem_sz << ";\n"
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<< "WIDTH = " << word*8 << ";\n"
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<< "ADDRESS_RADIX = HEX;\n"
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<< "DATA_RADIX = HEX;\n"
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<< "CONTENT\n"
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<< "BEGIN\n";
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// HARP is little endian, so no matter what the endianness of the machine on
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// which this utility runs, this swapping of the byte order when constructing
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// hex values is necessary.
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for (unsigned j = 0; j < mem_sz; ++j) {
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stack<unsigned char> bytes;
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out << setw(4) << setfill('0') << hex << j << " : ";
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for (unsigned i = 0; i < word; ++i) {
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bytes.push(in.get());
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if (in.eof()) { bytes.pop(); while(i++ < word) bytes.push(0); }
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}
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for (unsigned i = 0; i < word; ++i) {
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out << hex << setw(2) << setfill('0') << unsigned(bytes.top());
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bytes.pop();
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}
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out << ";\n";
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if (in.eof()) break;
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}
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out << "END;\n";
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return 0;
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}
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