#!/usr/bin/env python
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#!/usr/bin/env python
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"""A C to Verilog compiler"""
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"""A C to Verilog compiler"""
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__author__ = "Jon Dawson"
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__author__ = "Jon Dawson"
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__copyright__ = "Copyright (C) 2013, Jonathan P Dawson"
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__copyright__ = "Copyright (C) 2013, Jonathan P Dawson"
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__version__ = "0.1"
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__version__ = "0.1"
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import sys
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import sys
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import os
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import os
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from chips.compiler.parser import Parser
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from chips.compiler.parser import Parser
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from chips.compiler.exceptions import C2CHIPError
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from chips.compiler.exceptions import C2CHIPError
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from chips.compiler.optimizer import parallelise
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from chips.compiler.optimizer import parallelise
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from chips.compiler.optimizer import cleanup_functions
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from chips.compiler.optimizer import cleanup_functions
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from chips.compiler.optimizer import cleanup_registers
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from chips.compiler.optimizer import cleanup_registers
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from chips.compiler.tokens import Tokens
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from chips.compiler.tokens import Tokens
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from chips.compiler.verilog_speed import generate_CHIP as generate_CHIP_speed
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from chips.compiler.verilog_speed import generate_CHIP as generate_CHIP_speed
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from chips.compiler.verilog_area import generate_CHIP as generate_CHIP_area
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from chips.compiler.verilog_area import generate_CHIP as generate_CHIP_area
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def comp(input_file, options=[]):
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def comp(input_file, options=[]):
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reuse = "no_reuse" not in options
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reuse = "no_reuse" not in options
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initialize_memory = "no_initialize_memory" not in options
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initialize_memory = "no_initialize_memory" not in options
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try:
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try:
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if "speed" not in options:
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if "speed" not in options:
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#Optimize for area
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#Optimize for area
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parser = Parser(input_file, reuse, initialize_memory)
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parser = Parser(input_file, reuse, initialize_memory)
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process = parser.parse_process()
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process = parser.parse_process()
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name = process.main.name
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name = process.main.name
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instructions = process.generate()
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instructions = process.generate()
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instructions = cleanup_functions(instructions)
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instructions = cleanup_functions(instructions)
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instructions, registers = cleanup_registers(instructions, parser.allocator.all_registers)
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instructions, registers = cleanup_registers(instructions, parser.allocator.all_registers)
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output_file = name + ".v"
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output_file = name + ".v"
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output_file = open(output_file, "w")
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output_file = open(output_file, "w")
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inputs, outputs = generate_CHIP_area(
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inputs, outputs = generate_CHIP_area(
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input_file,
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input_file,
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name,
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name,
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instructions,
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instructions,
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output_file,
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output_file,
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registers,
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registers,
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parser.allocator.memory_size_2,
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parser.allocator.memory_size_2,
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parser.allocator.memory_size_4,
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parser.allocator.memory_size_4,
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initialize_memory,
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initialize_memory,
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parser.allocator.memory_content_2,
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parser.allocator.memory_content_2,
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parser.allocator.memory_content_4)
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parser.allocator.memory_content_4)
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output_file.close()
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output_file.close()
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else:
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else:
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#Optimize for speed
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#Optimize for speed
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parser = Parser(input_file, reuse, initialize_memory)
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parser = Parser(input_file, reuse, initialize_memory)
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process = parser.parse_process()
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process = parser.parse_process()
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name = process.main.name
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name = process.main.name
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instructions = process.generate()
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instructions = process.generate()
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instructions = cleanup_functions(instructions)
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instructions = cleanup_functions(instructions)
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instructions, registers = cleanup_registers(instructions, parser.allocator.all_registers)
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instructions, registers = cleanup_registers(instructions, parser.allocator.all_registers)
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if "no_concurrent" in sys.argv:
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if "no_concurrent" in sys.argv:
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frames = [[i] for i in instructions]
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frames = [[i] for i in instructions]
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else:
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else:
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frames = parallelise(instructions)
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frames = parallelise(instructions)
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output_file = name + ".v"
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output_file = name + ".v"
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output_file = open(output_file, "w")
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output_file = open(output_file, "w")
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inputs, outputs = generate_CHIP_speed(
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inputs, outputs = generate_CHIP_speed(
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input_file,
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input_file,
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name,
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name,
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frames,
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frames,
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output_file,
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output_file,
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registers,
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registers,
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parser.allocator.memory_size_2,
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parser.allocator.memory_size_2,
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parser.allocator.memory_size_4,
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parser.allocator.memory_size_4,
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initialize_memory,
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initialize_memory,
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parser.allocator.memory_content_2,
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parser.allocator.memory_content_2,
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parser.allocator.memory_content_4)
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parser.allocator.memory_content_4)
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output_file.close()
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output_file.close()
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except C2CHIPError as err:
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except C2CHIPError as err:
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print "Error in file:", err.filename, "at line:", err.lineno
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print "Error in file:", err.filename, "at line:", err.lineno
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print err.message
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print err.message
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sys.exit(-1)
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sys.exit(-1)
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return name, inputs, outputs, ""
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return name, inputs, outputs, ""
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