def _print_bus(self, bus, depth = 0):
c = bus.get_component()
for t in range(depth):
self.s.Print("\t")
s = "Bus: {0:<10} @ 0x{1:0=16X} : Size: 0x{2:0=8X}".format(bus.get_name(), c.get_start_address_as_int(), c.get_size_as_int())
self.s.PrintLine(s, "purple")
for t in range(depth):
self.s.Print("\t")
self.s.PrintLine("Number of components: %d" % bus.get_child_count(), "purple")
for i in range(bus.get_child_count()):
c = bus.get_child_from_index(i)
if self.som.is_entity_a_bus(bus, i):
self._print_bus(c, depth = depth + 1)
else:
c = bus.get_child_from_index(i)
c = c.get_component()
major = c.get_abi_version_major_as_int()
minor = c.get_abi_version_minor_as_int()
dev_name = device_manager.get_device_name_from_id(major)
for t in range(depth + 1):
self.s.Print("\t")
s = "{0:20} Type (Major:Minor) ({1:0=2X}:{2:0=2X}): {3:10}".format(c.get_name(),
major,
minor,
dev_name)
self.s.PrintLine(s, "green")
for t in range(depth + 1):
self.s.Print("\t")
s = "Address: 0x{0:0=16X}-0x{1:0=16X} : Size: 0x{2:0=8X}".format(c.get_start_address_as_int(),
c.get_end_address_as_int(),
c.get_size_as_int())
self.s.PrintLine(s, "green")
for t in range(depth + 1):
self.s.Print("\t")
s = "Vendor:Product: {0:0=16X}:{1:0=8X}".format(c.get_vendor_id_as_int(),
c.get_device_id_as_int())
self.s.PrintLine(s, "green")
self.s.PrintLine("")
def _print_bus(self, bus, depth=0):
c = bus.get_component()
for t in range(depth):
self.s.Print("\t")
s = "Bus: {0:<10} @ 0x{1:0=16X} : Size: 0x{2:0=8X}".format(
bus.get_name(), c.get_start_address_as_int(), c.get_size_as_int())
self.s.PrintLine(s, "purple")
for t in range(depth):
self.s.Print("\t")
self.s.PrintLine("Number of components: %d" % bus.get_child_count(),
"purple")
for i in range(bus.get_child_count()):
c = bus.get_child_from_index(i)
if self.som.is_entity_a_bus(bus, i):
self._print_bus(c, depth=depth + 1)
else:
c = bus.get_child_from_index(i)
c = c.get_component()
major = c.get_abi_version_major_as_int()
minor = c.get_abi_version_minor_as_int()
dev_name = device_manager.get_device_name_from_id(major)
for t in range(depth + 1):
self.s.Print("\t")
s = "{0:20} Type (Major:Minor) ({1:0=2X}:{2:0=2X}): {3:10}".format(
c.get_name(), major, minor, dev_name)
self.s.PrintLine(s, "green")
for t in range(depth + 1):
self.s.Print("\t")
s = "Address: 0x{0:0=16X}-0x{1:0=16X} : Size: 0x{2:0=8X}".format(
c.get_start_address_as_int(), c.get_end_address_as_int(),
c.get_size_as_int())
self.s.PrintLine(s, "green")
for t in range(depth + 1):
self.s.Print("\t")
s = "Vendor:Product: {0:0=16X}:{1:0=8X}".format(
c.get_vendor_id_as_int(), c.get_device_id_as_int())
self.s.PrintLine(s, "green")
self.s.PrintLine("")
def _parse_bus(n, som, bus, addr, base_addr, status):
#The first element at this address is the interconnect
sdb_data = Array('B')
entity_rom = n.read(addr, SDB_ROM_RECORD_LENGTH / 4)
sdb_data.extend(entity_rom)
status.Verbose("Bus @ 0x%08X: Name: %s" % (addr, bus.get_name()))
#print_sdb_rom(sdbc.convert_rom_to_32bit_buffer(entity_rom))
try:
bus_entity = srp.parse_rom_element(entity_rom)
except SDBError as e:
error = "Error when parsing bus entry at base address: 0x%08X, addr: 0x%08X\n" % (base_addr, addr)
error += str(e)
raise SDBError(error)
if not bus_entity.is_interconnect():
raise SDBError("Rom data does not point to an interconnect")
num_devices = bus_entity.get_number_of_records_as_int()
status.Verbose("\tFound %d Devices" % num_devices)
som.set_bus_component(bus, bus_entity)
#print "Found bus: %s" % bus_entity.get_name()
entity_size = []
entity_addr_start = []
for i in range(1, (num_devices + 2)):
I = (i * (SDB_ROM_RECORD_LENGTH / 4)) + addr
entity_rom = n.read(I, SDB_ROM_RECORD_LENGTH / 4)
sdb_data.extend(entity_rom)
entity = srp.parse_rom_element(entity_rom)
#print_sdb_rom(sdbc.convert_rom_to_32bit_buffer(entity_rom))
end = long(entity.get_end_address_as_int())
start = long(entity.get_start_address_as_int())
entity_addr_start.append(start)
entity_size.append(end - start)
if entity.is_bridge():
#print "Found bridge"
status.Verbose("Found Bridge:")
sub_bus = som.insert_bus(root = bus,
name = entity.get_name())
sub_bus_addr = entity.get_bridge_address_as_int() * 2 + base_addr
sdb_data.extend(_parse_bus(n, som, sub_bus, sub_bus_addr, base_addr, status))
else:
if entity.is_empty_record():
continue
som.insert_component(root = bus, component = entity)
status.Verbose("Found device %s Type (0x%02X): %s" % (
entity.get_name(),
entity.get_abi_version_major_as_int(),
device_manager.get_device_name_from_id(entity.get_abi_version_major_as_int())))
#print_sdb_rom(sdbc.convert_rom_to_32bit_buffer(entity_rom))
#Calculate Spacing
spacing = 0
prev_start = None
prev_size = None
for i in range (num_devices):
size = entity_size[i]
start_addr = entity_addr_start[i]
if prev_start is None:
prev_size = size
prev_start = start_addr
continue
potential_spacing = (start_addr - prev_start)
if potential_spacing > prev_size:
if potential_spacing > 0 and spacing == 0:
spacing = potential_spacing
if spacing > potential_spacing:
spacing = potential_spacing
prev_size = size
prev_start = start_addr
som.set_child_spacing(bus, spacing)
return sdb_data
def _parse_bus(n, som, bus, addr, base_addr, status):
#The first element at this address is the interconnect
sdb_data = Array('B')
entity_rom = n.read(addr, SDB_ROM_RECORD_LENGTH / 4)
sdb_data.extend(entity_rom)
status.Verbose("Bus @ 0x%08X: Name: %s" % (addr, bus.get_name()))
#print_sdb_rom(sdbc.convert_rom_to_32bit_buffer(entity_rom))
try:
bus_entity = srp.parse_rom_element(entity_rom)
except SDBError as e:
error = "Error when parsing bus entry at base address: 0x%08X, addr: 0x%08X\n" % (
base_addr, addr)
error += str(e)
raise SDBError(error)
if not bus_entity.is_interconnect():
raise SDBError("Rom data does not point to an interconnect")
num_devices = bus_entity.get_number_of_records_as_int()
status.Verbose("\tFound %d Devices" % num_devices)
som.set_bus_component(bus, bus_entity)
#print "Found bus: %s" % bus_entity.get_name()
entity_size = []
entity_addr_start = []
for i in range(1, (num_devices + 2)):
I = (i * (SDB_ROM_RECORD_LENGTH / 4)) + addr
entity_rom = n.read(I, SDB_ROM_RECORD_LENGTH / 4)
sdb_data.extend(entity_rom)
entity = srp.parse_rom_element(entity_rom)
#print_sdb_rom(sdbc.convert_rom_to_32bit_buffer(entity_rom))
end = long(entity.get_end_address_as_int())
start = long(entity.get_start_address_as_int())
entity_addr_start.append(start)
entity_size.append(end - start)
if entity.is_bridge():
#print "Found bridge"
status.Verbose("Found Bridge:")
sub_bus = som.insert_bus(root=bus, name=entity.get_name())
sub_bus_addr = entity.get_bridge_address_as_int() * 2 + base_addr
sdb_data.extend(
_parse_bus(n, som, sub_bus, sub_bus_addr, base_addr, status))
else:
if entity.is_empty_record():
continue
som.insert_component(root=bus, component=entity)
status.Verbose(
"Found device %s Type (0x%02X): %s" %
(entity.get_name(), entity.get_abi_version_major_as_int(),
device_manager.get_device_name_from_id(
entity.get_abi_version_major_as_int())))
#print_sdb_rom(sdbc.convert_rom_to_32bit_buffer(entity_rom))
#Calculate Spacing
spacing = 0
prev_start = None
prev_size = None
for i in range(num_devices):
size = entity_size[i]
start_addr = entity_addr_start[i]
if prev_start is None:
prev_size = size
prev_start = start_addr
continue
potential_spacing = (start_addr - prev_start)
if potential_spacing > prev_size:
if potential_spacing > 0 and spacing == 0:
spacing = potential_spacing
if spacing > potential_spacing:
spacing = potential_spacing
prev_size = size
prev_start = start_addr
som.set_child_spacing(bus, spacing)
return sdb_data
