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Catch exception when enumerating PCI devices (#87)

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This commit is contained in:
Thiébaud Weksteen
2016-09-10 09:10:17 +02:00
committed by c7zero
parent 647ed5cf33
commit 2091060dbb
1 changed files with 12 additions and 9 deletions
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source/tool/chipsec/hal/pci.py
+12 -9
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@@ -52,11 +52,13 @@ import struct
import sys
import os.path
from collections import namedtuple
import itertools
from chipsec.logger import logger, pretty_print_hex_buffer
from chipsec.file import write_file
from chipsec.cfg.common import *
from chipsec.hal.pcidb import *
from chipsec.helper import oshelper
class PciRuntimeError (RuntimeError):
@@ -266,15 +268,16 @@ class Pci:
def enumerate_devices( self ):
devices = []
for b in range(256):
for d in range(32):
for f in range(8):
did_vid = self.read_dword( b, d, f, 0x0 )
#didvid = read_mmcfg_reg( cs, b, d, f, 0x0 )
if 0xFFFFFFFF != did_vid:
vid = did_vid&0xFFFF
did = (did_vid >> 16)&0xFFFF
devices.append( (b, d, f, vid, did) )
for b, d, f in itertools.product(range(256), range(32), range(8)):
try:
did_vid = self.read_dword(b, d, f, 0x0)
if 0xFFFFFFFF != did_vid:
vid = did_vid & 0xFFFF
did = (did_vid >> 16) & 0xFFFF
devices.append((b, d, f, vid, did))
except oshelper.OsHelperError:
if logger().VERBOSE:
logger().log("[pci] unable to access B/D/F: %d/%d/%d" % (b, d, f))
return devices
def dump_pci_config( self, bus, device, function ):