print "Usage: b43-fwdump [OPTIONS]"
print ""
print "-h|--help Print this help text"
- print "-p|--phy PHY The PHY to use. For example phy0"
+ print "-p|--phy WIPHY The WIPHY to use. For example phy0."
+ print " Can be omitted, if there is only one device in the system."
print "-b|--binary BIN The firmware binary. This is required for"
print " an instruction dump."
print "-d|--dasmopt OPT Additional options to the disassembler."
+ print "-s|--shm Also dump SHM."
+ print "-S|--shmbin Do a binary SHM dump, only."
return
def parseArgs():
global phy
global binary
global dasmopt
+ global dumpShm
+ global dumpShmBin
phy = None # Autodetect
binary = None # No instruction dump
dasmopt = ""
+ dumpShm = False
+ dumpShmBin = False
try:
(opts, args) = getopt.getopt(sys.argv[1:],
- "hp:b:d:",
- [ "help", "phy=", "binary=", "dasmopt=" ])
+ "hp:b:d:sS",
+ [ "help", "phy=", "binary=", "dasmopt=", "shm", "shmbin" ])
except getopt.GetoptError:
usage()
sys.exit(1)
binary = v
if o in ("-d", "--dasmopt"):
dasmopt = v
+ if o in ("-s", "--shm"):
+ dumpShm = True
+ if o in ("-S", "--shmbin"):
+ dumpShmBin = True
return
stdout.write("\n")
return
-def disassembleText(text):
- input = NamedTemporaryFile()
- output = NamedTemporaryFile()
-
- input.write(text)
- input.flush()
- os.system("b43-dasm %s %s %s --paddr" % (input.name, dasmopt, output.name))
-
- return output.read()
-
def makeShortDump(dasm, pc):
dasm = dasm.splitlines()
i = 0
pos += 1
return ret
+def toAscii(char):
+ if char >= 32 and char <= 126:
+ return chr(char)
+ return "."
+
def main():
parseArgs()
gpr = b43.getGprs()
lr = b43.getLinkRegs()
off = b43.getOffsetRegs()
- shm = b43.shmSharedRead()
+ if dumpShm or dumpShmBin:
+ shm = b43.shmSharedRead()
dbg = b43.getPsmDebug()
psmcond = b43.getPsmConditions()
b43.ucodeStart()
+ if dumpShmBin:
+ # Only do a binary SHM dump
+ stdout.write(shm)
+ sys.exit(0)
+
print "--- B43 microcode state dump ---"
print "PC: %03X PSM-COND: %04X" % (dbg.getPc(), psmcond)
print "Link registers:"
except IOError, e:
print "Could not read binary file %s: %s" % (binary, e.strerror)
sys.exit(1)
- dasm = disassembleText(bintext)
+ dasm = Disassembler(bintext, dasmopt + "--paddr").getAsm()
print makeShortDump(dasm, dbg.getPc())
else:
print "<No binary supplied. See --binary option>"
+
+ if dumpShm:
+ print "Shared memory:"
+ ascii = ""
+ for i in range(0, len(shm)):
+ if i % 16 == 0 and i != 0:
+ stdout.write(" " + ascii + "\n")
+ ascii = ""
+ if i % 16 == 0:
+ stdout.write("0x%04X: " % i)
+ c = ord(shm[i])
+ stdout.write("%02X" % c)
+ if (i % 2 != 0):
+ stdout.write(" ")
+ ascii += toAscii(c)
+ stdout.write(" " + ascii + "\n")
return