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/trunk/tools/build_opcode_table/opcode_info.txt

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/trunk/tools/build_opcode_table/svg_op_table.py

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/trunk/tools/b51/src/b51_cpu.c

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/trunk/tools/b51/src/b51_mcu.h

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/trunk/tools/b51/src/main.c

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/trunk/tools/b51/src/b51_log.c

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/trunk/tools/b51/src/b51_mcu.c

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/trunk/tools/b51/src/util/ihex.h

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/trunk/tools/b51/src/util/ihex.c

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/trunk/tools/b51/src/b51_log.h

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/trunk/tools/b51/bin/b51.exe Cannot display: file marked as a binary type. svn:mime-type = application/octet-stream

/trunk/tools/b51/bin/b51.exe

trunk/tools/b51/bin/b51.exe Property changes : Added: svn:mime-type ## -0,0 +1 ## +application/octet-stream \ No newline at end of property Index: trunk/tools/build_rom/build.bat =================================================================== --- trunk/tools/build_rom/build.bat (nonexistent) +++ trunk/tools/build_rom/build.bat (revision 4) @@ -0,0 +1 @@ +python src/build_rom.py -f ../../test/cpu_test/bin/tb51_cpu.hex -o ../../vhdl/obj_code_pkg.vhdl \ No newline at end of file Index: trunk/tools/build_rom/src/build_rom.py =================================================================== --- trunk/tools/build_rom/src/build_rom.py (nonexistent) +++ trunk/tools/build_rom/src/build_rom.py (revision 4) @@ -0,0 +1,272 @@ +#!/usr/bin/env python +""" +build_rom.py: Create VHDL package with ROM initialization constant from +Intel-HEX object code file. +""" +__author__ = "Jose A. Ruiz" +__license__ = "LGPL" + + +""" +Please see the usage instructions and the comments for function 'main'. +""" + + +import sys +import getopt + + + +def usage(): + """Print usage instructions""" + print "" + print "usage:" + print "python build_rom.py [arguments]\n" + print "Builds VHDL ROM constant from template and Intel HEX object file.\n" + print "ALL of the following arguments should be given, in any order:" + print "{f|file} Object code file name" + print "{c|constant} Name of target VHDL constant" + print "{p|package} Name of target VHDL package" + print "{n|name} Name of project (used only in comment)" + print "{o|output} Target VHDL file name" + print "" + print "Additionally, any of these arguments can be given:" + print "{v|vhdl} VHDL template" + print " (defaults to templates/obj_code_kg_template.vhdl)" + print "{i|indent} Indentation in VHDL tables (decimal)" + print " (defaults to 4)" + + +def help(): + """Print help message a bit longer than usage message.""" + print "\nPurpose:\n" + print "Reads the code and data binary files and 'slices' them in byte" + print "columns." + print "The data columns are converted to VHDL strings and then inserted" + print "into the vhdl template, in place of tags @code0@ .. @code3@ and " + print "@data0@ .. @data3@. Column 0 is LSB and column3 is MSB.\n" + print "Tags like @data31@ and @data20@ etc. can be used to initialize" + print "memories in 16-bit buses, also split in byte columns.\n" + print "Template tags are replaced as follows:" + print "@obj_pkg_name@ : Name of package in target vhdl file." + print "@const_name@ : Name of constant (VHDL table)." + print "@obj_size@ : Total size of code table in bytes." + print "@project@ : Project name." + print "@xcode_size@ : Size of XCODE memory." + print "@xdata_size@ : Size of XDATA memory." + +def parse_hex_line(line): + """Parse code line in HEX object file.""" + line = line.strip() + slen = int(line[1:3],16) + sloc = int(line[3:7],16) + stype = line[7:9] + sdata = line[9:len(line)-2] + schk = int(line[len(line)-2:],16) + + csum = slen + int(sloc / 256) + (sloc % 256) + int(stype,16) + bytes = [0, ] * slen + for i in range(slen): + sbyte = int(sdata[i*2:i*2+2],16) + bytes[i] = sbyte; + csum = csum + sbyte + + csum = ~csum + csum = csum + 1 + csum = csum % 256 + if csum != schk: + return (None, None) + + return (sloc, bytes) + + +def read_ihex_file(ihex_filename): + """ + Read Intel HEX file into a 64KB array. + The file is assumed not to have any object code outside the 64K boundary. + Return the 64K array plus the size and bounds of the read data. + """ + + # CODE array, initialized to 64K of zeros... + xcode = [0, ] * 65536 + # ...and code boundaries, initialized out of range. + bottom = 100000 + top = -1 + (xcode, top, bottom) + + # Read the whole file to a list of lines... + fin = open(ihex_filename, "r") + ihex_lines = fin.readlines() + fin.close() + + # ...and parse the lines one by one. + total_bytes = 0 + for line in ihex_lines: + (address, bytes) = parse_hex_line(line) + if address == None: + print "Checksum error!" + sys.exit(1) + total_bytes = total_bytes + len(bytes) + for i in range(len(bytes)): + xcode[address + i] = bytes[i] + + if address < bottom: + bottom = address + + if (address + len(bytes)) > top: + top = (address + len(bytes)) + + print "Read %d bytes from file '%s'" % (total_bytes, ihex_filename) + print "Code range %04xh to %04xh" % (bottom, top) + return (xcode, total_bytes, bottom, top) + + +def build_vhdl_code(params, xcode, obj_size): + """ + Read VHDL template file and replace all the tags with the values given in + the command line parameters. + Return the new file contents as a string. + """ + + # The resulting VHDL text will be stored here. + vhdl_code = "" + + + # Open file and read it into a list of lines. + fin = open(params['template'], "r") + lines = fin.readlines() + fin.close() + + # Now process the template lines one by one. + for line in lines: + line = line.strip() + + if line.rfind("@obj_bytes@") >= 0: + # insert object code as list of byte literals. + obj_str = " " + for i in range(obj_size): + if i != (obj_size-1): + sbyte = "X\"%02x\", " % xcode[i] + else: + sbyte = "X\"%02x\" " % xcode[i] + obj_str = obj_str + sbyte + if (i % 8) == 7: + obj_str = obj_str + "\n " + + line = line.replace("@obj_bytes@",obj_str) + + elif line.rfind("@obj_size@") >= 0: + # Insert object code size (not necessarily equal to xcode_size) + line = line.replace("@obj_size@","%d" % (obj_size-1)) + + elif line.rfind("@xcode_size@") >= 0: + # Insert XCODE memory + line = line.replace("@xcode_size@","%d" % (params['xcode_size'])) + + elif line.rfind("@xdata_size@") >= 0: + # Insert XDATA memory + line = line.replace("@xdata_size@","%d" % (params['xdata_size'])) + + elif line.rfind("@obj_pkg_name@") >= 0: + # Insert package name: hardwired + line = line.replace("@obj_pkg_name@",params['package']) + + elif line.rfind("@project_name@") >= 0: + # Insert project name + line = line.replace("@project_name@",params['project']) + + + vhdl_code = vhdl_code + line + "\n" + + return vhdl_code + + +def main(argv): + """Main body of the program.""" + + # Parse command line parameters using GetOpt + try: + opts, args = getopt.getopt(argv, "hf:n:p:c:o:i:v:", + ["help", "file=", "name=", "package=", "constant=", + "output=", "indent=", "vhdl=", "xcode=", "xdata=" ]) + except getopt.GetoptError, err: + print "" + print err + usage() + sys.exit(2) + + # Command line parameters, initialized to their default values + params = {'project': '', + 'package': 'obj_code_pkg', + 'indent': 4, + 'constant': 'obj_code', + 'target': 'obj_code_pkg.vhdl', + 'hex': '', + 'xcode_size': 2048, + 'xdata_size': 0, + 'template': "./templates/obj_code_pkg_template.vhdl" + } + + + # Parse coommand line parameters + for opt, arg in opts: + if opt in ("-h", "--help"): + usage() + help() + exit(1) + if opt in ("-v", "--vhdl"): + params['template'] = arg + elif opt in ("-o", "--output"): + params['target'] = arg + elif opt in ("-c", "--constant"): + params['constant'] = arg + elif opt in ("-f", "--file"): + params['hex'] = arg + elif opt in ("-p", "--package"): + params['package'] = arg + elif opt in ("-n", "--name"): + params['project'] = arg + elif opt in ("-i", "--indent"): + params['indent'] = int(arg) + elif opt in ("--xcode"): + params['xcode_size'] = int(arg) + elif opt in ("--xdata"): + params['xdata_size'] = int(arg) + + # Ok, now + if params['hex']: + (xcode, total_bytes, bottom, top) = read_ihex_file(params['hex']); + else: + print "Object HEX file name missing."; + usage() + return 1 + + + # Make sure the object code fits the implemented XCODE space. + # If it doesn't, print a warning and let the user deal with it. + # Assuming that XCODE starts at address zero -- that's how the core works. + if params['xcode_size'] < top: + print "\nWARNING: Object code does not fit XCODE space!\n" + + + # Build the package source... + vhdl_code = build_vhdl_code(params, xcode, top); + + # ...and write it to the target file. + fout = None + try: + fout = open(params['target'], "w") + fout.write(vhdl_code) + fout.close() + print "VHDL code table written to %s" % params['target'] + except: + print "Trouble opening %s for output" % params['target'] + finally: + if fout: fout.close() + + +if __name__ == "__main__": + main(sys.argv[1:]) + sys.exit(0) + + \ No newline at end of file Index: trunk/tools/build_rom/templates/obj_code_pkg_template.vhdl =================================================================== --- trunk/tools/build_rom/templates/obj_code_pkg_template.vhdl (nonexistent) +++ trunk/tools/build_rom/templates/obj_code_pkg_template.vhdl (revision 4) @@ -0,0 +1,48 @@ +-------------------------------------------------------------------------------- +-- obj_code_pkg.vhdl -- Application object code in vhdl constant string format. +-------------------------------------------------------------------------------- +-- Written by build_rom.py for project '@project_name@'. +-------------------------------------------------------------------------------- +-- Copyright (C) 2012 Jose A. Ruiz +-- +-- This source file may be used and distributed without +-- restriction provided that this copyright statement is not +-- removed from the file and that any derivative work contains +-- the original copyright notice and the associated disclaimer. +-- +-- This source file is free software; you can redistribute it +-- and/or modify it under the terms of the GNU Lesser General +-- Public License as published by the Free Software Foundation; +-- either version 2.1 of the License, or (at your option) any +-- later version. +-- +-- This source is distributed in the hope that it will be +-- useful, but WITHOUT ANY WARRANTY; without even the implied +-- warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR +-- PURPOSE. See the GNU Lesser General Public License for more +-- details. +-- +-- You should have received a copy of the GNU Lesser General +-- Public License along with this source; if not, download it +-- from http://www.opencores.org/lgpl.shtml +-------------------------------------------------------------------------------- + +library ieee; +use ieee.std_logic_1164.all; +use ieee.numeric_std.all; +use work.light52_pkg.all; + +package @obj_pkg_name@ is + +-- Size of XCODE memory in bytes. +constant XCODE_SIZE : natural := @xcode_size@; +-- Size of XDATA memory in bytes. +constant XDATA_SIZE : natural := @xdata_size@; + +-- Object code initialization constant. +constant object_code : t_obj_code(0 to @obj_size@) := ( + @obj_bytes@ + ); + + +end package @obj_pkg_name@;

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