| 1 |
2 |
jondawson |
#!/usr/bin/env python
|
| 2 |
|
|
"""A C to Verilog compiler"""
|
| 3 |
|
|
|
| 4 |
|
|
__author__ = "Jon Dawson"
|
| 5 |
|
|
__copyright__ = "Copyright (C) 2013, Jonathan P Dawson"
|
| 6 |
|
|
__version__ = "0.1"
|
| 7 |
|
|
|
| 8 |
|
|
import sys
|
| 9 |
|
|
import os
|
| 10 |
|
|
|
| 11 |
|
|
from chips.compiler.parser import Parser
|
| 12 |
|
|
from chips.compiler.exceptions import C2CHIPError
|
| 13 |
|
|
from chips.compiler.optimizer import parallelise
|
| 14 |
|
|
from chips.compiler.optimizer import cleanup_functions
|
| 15 |
|
|
from chips.compiler.optimizer import cleanup_registers
|
| 16 |
|
|
from chips.compiler.tokens import Tokens
|
| 17 |
|
|
from chips.compiler.verilog_speed import generate_CHIP as generate_CHIP_speed
|
| 18 |
|
|
from chips.compiler.verilog_area import generate_CHIP as generate_CHIP_area
|
| 19 |
|
|
|
| 20 |
|
|
def comp(input_file, options=[]):
|
| 21 |
|
|
|
| 22 |
|
|
reuse = "no_reuse" not in options
|
| 23 |
|
|
initialize_memory = "no_initialize_memory" not in options
|
| 24 |
|
|
|
| 25 |
|
|
try:
|
| 26 |
|
|
if "speed" not in options:
|
| 27 |
|
|
|
| 28 |
|
|
#Optimize for area
|
| 29 |
|
|
parser = Parser(input_file, reuse, initialize_memory)
|
| 30 |
|
|
process = parser.parse_process()
|
| 31 |
|
|
name = process.main.name
|
| 32 |
|
|
instructions = process.generate()
|
| 33 |
|
|
instructions = cleanup_functions(instructions)
|
| 34 |
|
|
instructions, registers = cleanup_registers(instructions, parser.allocator.all_registers)
|
| 35 |
|
|
output_file = name + ".v"
|
| 36 |
|
|
output_file = open(output_file, "w")
|
| 37 |
|
|
inputs, outputs = generate_CHIP_area(
|
| 38 |
|
|
input_file,
|
| 39 |
|
|
name,
|
| 40 |
|
|
instructions,
|
| 41 |
|
|
output_file,
|
| 42 |
|
|
registers,
|
| 43 |
|
|
parser.allocator.memory_size_2,
|
| 44 |
|
|
parser.allocator.memory_size_4,
|
| 45 |
|
|
initialize_memory,
|
| 46 |
|
|
parser.allocator.memory_content_2,
|
| 47 |
|
|
parser.allocator.memory_content_4)
|
| 48 |
|
|
output_file.close()
|
| 49 |
|
|
|
| 50 |
|
|
else:
|
| 51 |
|
|
|
| 52 |
|
|
#Optimize for speed
|
| 53 |
|
|
parser = Parser(input_file, reuse, initialize_memory)
|
| 54 |
|
|
process = parser.parse_process()
|
| 55 |
|
|
name = process.main.name
|
| 56 |
|
|
instructions = process.generate()
|
| 57 |
|
|
instructions = cleanup_functions(instructions)
|
| 58 |
|
|
instructions, registers = cleanup_registers(instructions, parser.allocator.all_registers)
|
| 59 |
|
|
if "no_concurrent" in sys.argv:
|
| 60 |
|
|
frames = [[i] for i in instructions]
|
| 61 |
|
|
else:
|
| 62 |
|
|
frames = parallelise(instructions)
|
| 63 |
|
|
output_file = name + ".v"
|
| 64 |
|
|
output_file = open(output_file, "w")
|
| 65 |
|
|
inputs, outputs = generate_CHIP_speed(
|
| 66 |
|
|
input_file,
|
| 67 |
|
|
name,
|
| 68 |
|
|
frames,
|
| 69 |
|
|
output_file,
|
| 70 |
|
|
registers,
|
| 71 |
|
|
parser.allocator.memory_size_2,
|
| 72 |
|
|
parser.allocator.memory_size_4,
|
| 73 |
|
|
initialize_memory,
|
| 74 |
|
|
parser.allocator.memory_content_2,
|
| 75 |
|
|
parser.allocator.memory_content_4)
|
| 76 |
|
|
output_file.close()
|
| 77 |
|
|
|
| 78 |
|
|
except C2CHIPError as err:
|
| 79 |
|
|
print "Error in file:", err.filename, "at line:", err.lineno
|
| 80 |
|
|
print err.message
|
| 81 |
|
|
sys.exit(-1)
|
| 82 |
|
|
|
| 83 |
|
|
|
| 84 |
|
|
return name, inputs, outputs, ""
|
