move toaxe.py script into top-level Rocket-Chip repo
This commit is contained in:
Howard Mao
parent
1b6871f3d8
commit
c2e9971b5f
@ -1,168 +0,0 @@
|
|||||||
#!/usr/bin/env python
|
|
||||||
|
|
||||||
# This file was originally written by Matthew Naylor, University of
|
|
||||||
# Cambridge.
|
|
||||||
#
|
|
||||||
# This software was partly developed by the University of Cambridge
|
|
||||||
# Computer Laboratory under DARPA/AFRL contract FA8750-10-C-0237
|
|
||||||
# ("CTSRD"), as part of the DARPA CRASH research programme.
|
|
||||||
#
|
|
||||||
# This software was partly developed by the University of Cambridge
|
|
||||||
# Computer Laboratory under DARPA/AFRL contract FA8750-11-C-0249
|
|
||||||
# ("MRC2"), as part of the DARPA MRC research programme.
|
|
||||||
#
|
|
||||||
# This software was partly developed by the University of Cambridge
|
|
||||||
# Computer Laboratory as part of the Rigorous Engineering of
|
|
||||||
# Mainstream Systems (REMS) project, funded by EPSRC grant
|
|
||||||
# EP/K008528/1.
|
|
||||||
|
|
||||||
# -------
|
|
||||||
# Outline
|
|
||||||
# -------
|
|
||||||
|
|
||||||
# This script takes memory-subsystem traces produced by the groundtest
|
|
||||||
# trace generator (see tracegen.scala) and puts them into a format
|
|
||||||
# that can be validated by the axe tool (see
|
|
||||||
# https://github.com/CTSRD-CHERI/axe).
|
|
||||||
|
|
||||||
import sys
|
|
||||||
import re
|
|
||||||
|
|
||||||
if len(sys.argv) != 2:
|
|
||||||
print "Usage: toaxe.py [FILE]"
|
|
||||||
sys.exit()
|
|
||||||
|
|
||||||
if sys.argv[1] == "-":
|
|
||||||
f = sys.stdin
|
|
||||||
else:
|
|
||||||
f = open(sys.argv[1], 'r')
|
|
||||||
if f == None:
|
|
||||||
print "File not found: ", sys.argv[1]
|
|
||||||
sys.exit()
|
|
||||||
|
|
||||||
lineCount = 0
|
|
||||||
def error(msg):
|
|
||||||
print "Error at line ", lineCount, ": ", msg
|
|
||||||
sys.exit()
|
|
||||||
|
|
||||||
# Mapping from address to axe address
|
|
||||||
addrMap = {}
|
|
||||||
nextAddr = 0
|
|
||||||
|
|
||||||
# Mapping from (thread id, tag id) to axe operation id
|
|
||||||
tagMap = {}
|
|
||||||
|
|
||||||
# Mapping from thread id to operation id
|
|
||||||
fenceReq = {}
|
|
||||||
|
|
||||||
# Mapping from thread id to operation id
|
|
||||||
loadReserve = {}
|
|
||||||
|
|
||||||
# Array of axe operations
|
|
||||||
ops = []
|
|
||||||
|
|
||||||
for line in f:
|
|
||||||
# Exit loop at end of trace
|
|
||||||
if line[0:9] == 'Completed': break
|
|
||||||
|
|
||||||
# Parse thread id and command
|
|
||||||
m = re.search(' *([0-9]+) *: *([^ ]*) (.*)', line)
|
|
||||||
if m == None: error("Expected: <thread-id> ':' <command>")
|
|
||||||
tid, cmd, line = m.group(1), m.group(2), m.group(3)
|
|
||||||
|
|
||||||
if cmd == 'fence-req':
|
|
||||||
# Parse time
|
|
||||||
m = re.search(' *@ *([0-9]+)', line)
|
|
||||||
if m == None: error ("expected timestamp")
|
|
||||||
# Insert placeholder containing request time
|
|
||||||
ops.append(str(m.group(1)))
|
|
||||||
fenceReq[tid] = len(ops)-1
|
|
||||||
elif cmd == 'fence-resp':
|
|
||||||
# Insert 'sync' operation
|
|
||||||
if not (tid in fenceReq) or fenceReq[tid] == None:
|
|
||||||
error("fence-resp without fence-req on thread " + tid)
|
|
||||||
startTime = ops[fenceReq[tid]]
|
|
||||||
op = str(tid) + ": sync @ " + startTime
|
|
||||||
# Add end-time
|
|
||||||
m = re.search(' *@ *([0-9]+)', line)
|
|
||||||
if m != None: op = op + ":" + str(m.group(1))
|
|
||||||
ops[fenceReq[tid]] = (op,)
|
|
||||||
fenceReq[tid] = None
|
|
||||||
elif cmd == 'load-req' or cmd == 'load-reserve-req':
|
|
||||||
# Parse address, tag, and time
|
|
||||||
m = re.search(' *([0-9a-fx]+) *# *([0-9]+) *@ *([0-9]+)', line)
|
|
||||||
if m == None: error("expected <address> #<tag> @<timestamp>")
|
|
||||||
# Update address map
|
|
||||||
if not (m.group(1) in addrMap):
|
|
||||||
addrMap[m.group(1)] = nextAddr
|
|
||||||
nextAddr = nextAddr+1
|
|
||||||
# Insert place-holder
|
|
||||||
ops.append((cmd, None, addrMap[m.group(1)], m.group(3), None))
|
|
||||||
tagMap[(tid, m.group(2))] = len(ops)-1
|
|
||||||
if cmd == 'load-reserve-req':
|
|
||||||
loadReserve[tid] = len(ops)-1
|
|
||||||
elif cmd == 'store-req' or cmd == 'store-cond-req' or cmd == 'swap-req':
|
|
||||||
# Parse value, address, tag, and time
|
|
||||||
m = re.search(' *([0-9]+) *([0-9a-fx]+) *# *([0-9]+) *@ *([0-9]+)', line)
|
|
||||||
if m == None: error("expected <value> <address> #<tag> @<timestamp>")
|
|
||||||
# Update address map
|
|
||||||
if not (m.group(2) in addrMap):
|
|
||||||
addrMap[m.group(2)] = nextAddr
|
|
||||||
nextAddr = nextAddr+1
|
|
||||||
# Insert place-holder
|
|
||||||
lr = loadReserve[tid] if tid in loadReserve else None
|
|
||||||
ops.append((cmd, m.group(1), addrMap[m.group(2)], m.group(4), lr))
|
|
||||||
tagMap[(tid, m.group(3))] = len(ops)-1
|
|
||||||
if cmd == 'store-cond-req': loadReserve[tid] = None
|
|
||||||
elif cmd == 'resp':
|
|
||||||
# Parse value and timestamp
|
|
||||||
m = re.search(' *([0-9]+) *# *([0-9]+) *@ *([0-9]+)', line)
|
|
||||||
if m == None: error("expected <value> #<tag> @<timestamp>")
|
|
||||||
# Find corresponding response
|
|
||||||
tag = m.group(2)
|
|
||||||
if not ((tid, tag) in tagMap) or tagMap[(tid, tag)] == None:
|
|
||||||
error("resp without associated req with tag " + tag + " on thread " + tid)
|
|
||||||
opId = tagMap[(tid, tag)]
|
|
||||||
(c, val, addr, start, lr) = ops[opId]
|
|
||||||
if c == 'load-req':
|
|
||||||
op = tid + ": M[" + str(addr) + '] == ' + m.group(1) + ' @ '
|
|
||||||
op += start + ':' + m.group(3)
|
|
||||||
ops[opId] = (op,)
|
|
||||||
elif c == 'store-req':
|
|
||||||
op = tid + ": M[" + str(addr) + '] := ' + val + ' @ '
|
|
||||||
op += start + ':' # + m.group(3)
|
|
||||||
ops[opId] = (op,)
|
|
||||||
elif c == 'load-reserve-req':
|
|
||||||
ops[opId] = (m.group(1), start, m.group(3))
|
|
||||||
elif c == 'store-cond-req':
|
|
||||||
if lr == None: error("store conditional without load-reserve")
|
|
||||||
(loadVal, loadStart, loadFin) = ops[lr]
|
|
||||||
if int(m.group(1)) != 0:
|
|
||||||
# SC fail
|
|
||||||
op = tid + ": M[" + str(addr) + "] == " + loadVal
|
|
||||||
op += " @ " + loadStart + ":" + loadFin
|
|
||||||
else:
|
|
||||||
# SC success
|
|
||||||
op = tid + ": { M[" + str(addr) + "] == " + loadVal + "; "
|
|
||||||
op += "M[" + str(addr) + "] := " + val + "} @ "
|
|
||||||
op += loadStart + ":" # + m.group(3)
|
|
||||||
ops[lr] = (op,)
|
|
||||||
ops[opId] = None
|
|
||||||
elif c == 'swap-req':
|
|
||||||
op = tid + ": { M[" + str(addr) + '] == ' + m.group(1)
|
|
||||||
op += '; M[' + str(addr) + '] := ' + val
|
|
||||||
op += '} @ ' + start + ':' # + m.group(3)
|
|
||||||
ops[opId] = (op,)
|
|
||||||
else:
|
|
||||||
error("Unknown command '" + cmd + "'")
|
|
||||||
|
|
||||||
lineCount = lineCount+1
|
|
||||||
|
|
||||||
# Print address map in comments
|
|
||||||
for addr in addrMap:
|
|
||||||
print ("# &M[" + str(addrMap[addr]) + "] == " + addr)
|
|
||||||
|
|
||||||
# Print axe trace
|
|
||||||
for op in ops:
|
|
||||||
if op != None and isinstance(op, tuple) and len(op) == 1:
|
|
||||||
print op[0]
|
|
||||||
Loading…
Reference in New Issue
Block a user