def testFdtCellsToCpu(self):
val = self.node.props['intarray'].value
self.assertEqual(0, fdt_util.fdt_cells_to_cpu(val, 0))
self.assertEqual(2, fdt_util.fdt_cells_to_cpu(val, 1))
dtb2 = fdt.FdtScan('tools/dtoc/dtoc_test_addr64.dts')
node2 = dtb2.GetNode('/test1')
val = node2.props['reg'].value
self.assertEqual(0x1234, fdt_util.fdt_cells_to_cpu(val, 2))
def testFdtCellsToCpu(self):
val = self.node.props['intarray'].value
self.assertEqual(0, fdt_util.fdt_cells_to_cpu(val, 0))
self.assertEqual(2, fdt_util.fdt_cells_to_cpu(val, 1))
dtb2 = fdt.FdtScan('tools/dtoc/dtoc_test_addr64.dts')
node2 = dtb2.GetNode('/test1')
val = node2.props['reg'].value
self.assertEqual(0x1234, fdt_util.fdt_cells_to_cpu(val, 2))
def scan_reg_sizes(self):
"""Scan for 64-bit 'reg' properties and update the values
This finds 'reg' properties with 64-bit data and converts the value to
an array of 64-values. This allows it to be output in a way that the
C code can read.
"""
for node in self._valid_nodes:
reg = node.props.get('reg')
if not reg:
continue
na, ns = self.get_num_cells(node)
total = na + ns
if reg.type != fdt.TYPE_INT:
raise ValueError("Node '%s' reg property is not an int" %
node.name)
if len(reg.value) % total:
raise ValueError(
"Node '%s' reg property has %d cells "
'which is not a multiple of na + ns = %d + %d)' %
(node.name, len(reg.value), na, ns))
reg.na = na
reg.ns = ns
if na != 1 or ns != 1:
reg.type = fdt.TYPE_INT64
i = 0
new_value = []
val = reg.value
if not isinstance(val, list):
val = [val]
while i < len(val):
addr = fdt_util.fdt_cells_to_cpu(val[i:], reg.na)
i += na
size = fdt_util.fdt_cells_to_cpu(val[i:], reg.ns)
i += ns
new_value += [addr, size]
reg.value = new_value
def scan_reg_sizes(self):
"""Scan for 64-bit 'reg' properties and update the values
This finds 'reg' properties with 64-bit data and converts the value to
an array of 64-values. This allows it to be output in a way that the
C code can read.
"""
for node in self._valid_nodes:
reg = node.props.get('reg')
if not reg:
continue
na, ns = self.get_num_cells(node)
total = na + ns
if reg.type != fdt.TYPE_INT:
raise ValueError("Node '%s' reg property is not an int" %
node.name)
if len(reg.value) % total:
raise ValueError("Node '%s' reg property has %d cells "
'which is not a multiple of na + ns = %d + %d)' %
(node.name, len(reg.value), na, ns))
reg.na = na
reg.ns = ns
if na != 1 or ns != 1:
reg.type = fdt.TYPE_INT64
i = 0
new_value = []
val = reg.value
if not isinstance(val, list):
val = [val]
while i < len(val):
addr = fdt_util.fdt_cells_to_cpu(val[i:], reg.na)
i += na
size = fdt_util.fdt_cells_to_cpu(val[i:], reg.ns)
i += ns
new_value += [addr, size]
reg.value = new_value