def runforever(insts=0x7fffffffffffffff,ss=None,bout=1,va_pass=[0x122000],va_fail=[0x122020]):
"""
insts: number of instructions to run per strand, default is MAXINT
ss: array of strand-ids, e.g., [0,1,2]. default is None, means all strands
bout: upon hitting pass/fail, 1 means exit, 0 means returns to caller
va_pass: array of 'pass' VAs, default is 0x122000
va_fail: array of 'fail' VAs, default is 0x122020
"""
strands = []
if ss == None:
# special case, step through all strands
for s in sim.s:
strands.append(s)
else:
# otherwise only step through specified strands
for sid in ss:
strands.append(sim.s[sid])
# set 'pass' breakpoints
bp_pass = {}
for s in strands:
bp_pass[s.strand_id] = []
for va in va_pass:
bp_pass[s.strand_id].append(s.brk.on_inst_va(va))
# set 'fail' breakpoints
bp_fail = {}
for s in strands:
bp_fail[s.strand_id] = []
for va in va_fail:
bp_fail[s.strand_id].append(s.brk.on_inst_va(va))
# step through strands
sam.ui_exec('stepi %d' % insts)
# check for pass/fail breakpoint
for s in strands:
bp = s.brk.hit()
if bp:
if bp[0] in bp_pass[s.strand_id]:
if bout:
sys.exit(0)
else:
return 0
elif bp[0] in bp_fail[s.strand_id]:
if bout:
sys.exit(1)
else:
return 1
# if nothing hit, consider it is good
if bout:
sys.exit(0)
else:
return 0
def runshow(step=1,sid=0,fd=sys.stdout,sym=1):
"""
step: number of instruction to be executed, default is 1
sid: strand id, default is 0
fd: write the output to a file descriptor, default to stdout
sym: show (PC) symbol if available
example:
sam>>> fd1=open('0-tmp','w')
sam>>> runshow(10,fd=fd1)
sam>>> runshow(100,fd=fd1)
sam>>> fd1.close()
"""
global pyobj
global icount
global symTable
prevPC = 0x0L
newPC = 0x0L
prevTL = 0
newTL = 0
i = 0
done = 0
while (done == 0) and (i < step):
i += 1
icount += 1
newPC = sim.s[sid].pc
(len,instr,type) = RS_disassemblePC(sid, pyobj)
sam.ui_exec('stepi')
newTL = sim.s[sid].tl
# check for hitting breakpoint
for s in sim.s:
if s.brk.hit():
done = 1
break
if done == 0:
if (newPC != prevPC+4) or (newTL != prevTL):
# display PC or related symbol when PC moves to a different
# path
if (sym == 1) and (symTable != None):
fd.write('%s, TL=%d:\n' % (symTable.va2symbol(newPC), newTL))
else:
fd.write('PC=%#x, TL=%d:\n' % (newPC, newTL))
fd.write('sid=%d, ic=%d, pc=%#x, %s\n' % (sid, icount, newPC, instr))
prevPC = newPC
prevTL = newTL
def issueCmd (self, cmd, output, riesReposit):
"""
"""
tokens = cmd.split()
if tokens[0] in self.cmdMap:
if tokens[0] == 'file':
# process the file line-by-line
return 'execfile("%s")' % (tokens[1])
else:
if ((tokens[0] == 'ssi') or (tokens[0] == 'runfast')):
sys.stderr.write('ERROR: command %s is not supported in SAM, use "stepi N" or "run N" instead\n' % (tokens[0]))
return None
elif (tokens[0] == 'run'):
if (len(tokens) > 1):
# 'run' is a non-blocking call, if we see 'run N',
# convert that to 'stepi N'
cmd = 'stepi ' + ' '.join(tokens[1:])
else:
# 'run' alone becomes a non-blocking call, we should
# get UI prompt back right the way
cmd = tokens[0]
elif (tokens[0] == 'pmask'):
if len(tokens) == 1:
# query current pmask
sys.stderr.write('%#x\n' % riesReposit.pmask)
return None
else:
if not sam.is_stopped():
sys.stderr.write('Simulator is running, issue "stop" before changing pmask\n')
return None
# set blaze penable accordingly
newMask = long(tokens[1], 16)
toDisable = riesReposit.pmask & (~newMask & 0xffffffffffffffffL)
toEnable = (~riesReposit.pmask & 0xffffffffffffffffL) & newMask
#sys.stderr.write('DBX: newMask=%#x toDisable=%#x toEnable=%#x\n' % (newMask, toDisable, toEnable))
# disable currently enabled, but to be disabled strands
for i in range(riesReposit.blazeNumcpu):
if ((toDisable >> i) &0x1) == 0x1:
cmd = 'pdisable th%d' % i
#sys.stderr.write('DBX: cmd=%s\n' % cmd)
#self.blaze.command(cmd)
sam.ui_exec(cmd);
# disable currently disabled, but to be enabled strands
for i in range(riesReposit.blazeNumcpu):
if ((toEnable >> i) &0x1) == 0x1:
cmd = 'penable th%d' % i
#sys.stderr.write('DBX: cmd=%s\n' % cmd)
#self.blaze.command(cmd)
sam.ui_exec(cmd);
# update to the new mask
riesReposit.pmask = newMask
return None
if type(output) is types.ListType:
#output = output.append(self.blaze.command(cmd))
sam.ui_exec(cmd);
else:
#self.blaze.command(cmd)
sam.ui_exec(cmd);
if cmd == 'run':
riesReposit.running = 1
#print "start running...."
#sys.ps1 = 'run>'
#elif (cmd == 'stop') or (cmd.startswith('stepi ')):
elif cmd == 'stop':
# don't check 'stepi' here. If we first do 'run', then
# enter either 'run N' or 'stepi N', blaze will issue
# 'is running' and return without doing anything, at this
# time blaze is still in the first 'run', so we cannot
# set running to 0 for 'run N' or 'stepi N', as they may
# not be executed at all.
riesReposit.running = 0
#print "stop command was issued."
#sys.ps1 = 'stop>'
if len(tokens) > 2 and (tokens[0] == 'mod' and
tokens[1] == 'load'):
# mod load xxx yyy, register 'xxx' as a command prefix, as all
# module 'yyy' related commands will use that prefix
if not tokens[2] in self.cmdMap:
self.cmdMap.append(tokens[2])
return None
else:
return cmd
done = 0
while (done == 0) and (i < step):
i += 1
icount += 1
newPC = sim.s[sid].pc
(len,instr,type) = RS_disassemblePC(sid, pyobj)
# check breakpoints
if newPC in bpoints:
if symTable != None:
fd.write('BREAKPOINT: sid=%d, pc=%#x [%s]\n' % (sid, newPC, symTable.va2symbol(newPC)))
else:
fd.write('BREAKPOINT: sid=%d, pc=%#x\n' % (sid, newPC))
done = 1
else:
# execute the next instr if no breakpoint is hit
sam.ui_exec('stepi')
newTL = sim.s[sid].tl
for s in sim.s:
if s.brk.hit():
done = 1
break
if done == 0:
if (newPC != prevPC+4) or (newTL != prevTL):
# display PC or related symbol when PC moves to a
# different path
if (sym == 1) and (symTable != None):
fd.write('%s, TL=%d:\n' % (symTable.va2symbol(newPC), newTL))
else:
fd.write('PC=%#x, TL=%d:\n' % (newPC, newTL))
fd.write('sid=%d, ic=%d, pc=%#x, %s\n' % (sid, icount, newPC, instr))
prevPC = newPC