self.name = name
self.value = None
+ def GetPhandle(self):
+ """Get a (single) phandle value from a property
+
+ Gets the phandle valuie from a property and returns it as an integer
+ """
+ return fdt_util.fdt32_to_cpu(self.value[:4])
+
+ def Widen(self, newprop):
+ """Figure out which property type is more general
+
+ Given a current property and a new property, this function returns the
+ one that is less specific as to type. The less specific property will
+ be ble to represent the data in the more specific property. This is
+ used for things like:
+
+ node1 {
+ compatible = "fred";
+ value = <1>;
+ };
+ node1 {
+ compatible = "fred";
+ value = <1 2>;
+ };
+
+ He we want to use an int array for 'value'. The first property
+ suggests that a single int is enough, but the second one shows that
+ it is not. Calling this function with these two propertes would
+ update the current property to be like the second, since it is less
+ specific.
+ """
+ if newprop.type < self.type:
+ self.type = newprop.type
+
+ if type(newprop.value) == list and type(self.value) != list:
+ self.value = [self.value]
+
+ if type(self.value) == list and len(newprop.value) > len(self.value):
+ val = self.GetEmpty(self.type)
+ while len(self.value) < len(newprop.value):
+ self.value.append(val)
+
def BytesToValue(self, bytes):
"""Converts a string of bytes into a type and value
for byte in byte_list_str.strip().split(' ')]
self.type, self.value = self.BytesToValue(''.join(self.bytes))
- def GetPhandle(self):
- """Get a (single) phandle value from a property
-
- Gets the phandle valuie from a property and returns it as an integer
- """
- return fdt_util.fdt32_to_cpu(self.value[:4])
-
- def Widen(self, newprop):
- """Figure out which property type is more general
-
- Given a current property and a new property, this function returns the
- one that is less specific as to type. The less specific property will
- be ble to represent the data in the more specific property. This is
- used for things like:
-
- node1 {
- compatible = "fred";
- value = <1>;
- };
- node1 {
- compatible = "fred";
- value = <1 2>;
- };
-
- He we want to use an int array for 'value'. The first property
- suggests that a single int is enough, but the second one shows that
- it is not. Calling this function with these two propertes would
- update the current property to be like the second, since it is less
- specific.
- """
- if newprop.type < self.type:
- self.type = newprop.type
-
- if type(newprop.value) == list and type(self.value) != list:
- self.value = newprop.value
-
- if type(self.value) == list and len(newprop.value) > len(self.value):
- val = fdt_util.GetEmpty(self.type)
- while len(self.value) < len(newprop.value):
- self.value.append(val)
-
class Node(NodeBase):
"""A device tree node
return
self.type, self.value = self.BytesToValue(bytes)
- def GetPhandle(self):
- """Get a (single) phandle value from a property
-
- Gets the phandle valuie from a property and returns it as an integer
- """
- return fdt_util.fdt32_to_cpu(self.value[:4])
-
- def Widen(self, newprop):
- """Figure out which property type is more general
-
- Given a current property and a new property, this function returns the
- one that is less specific as to type. The less specific property will
- be ble to represent the data in the more specific property. This is
- used for things like:
-
- node1 {
- compatible = "fred";
- value = <1>;
- };
- node1 {
- compatible = "fred";
- value = <1 2>;
- };
-
- He we want to use an int array for 'value'. The first property
- suggests that a single int is enough, but the second one shows that
- it is not. Calling this function with these two propertes would
- update the current property to be like the second, since it is less
- specific.
- """
- if newprop.type < self.type:
- self.type = newprop.type
-
- if type(newprop.value) == list and type(self.value) != list:
- self.value = [self.value]
-
- if type(self.value) == list and len(newprop.value) > len(self.value):
- val = self.GetEmpty(self.type)
- while len(self.value) < len(newprop.value):
- self.value.append(val)
-
-
class Node(NodeBase):
"""A device tree node