changeset 26fee6c20087 in /z/repo/gem5
details: http://repo.gem5.org/gem5?cmd=changeset;node=26fee6c20087
description:
config: Add Current as a parameter type
This patch adds the Python parameter type Current, which is used for
the DRAM power modelling (to start with). With this addition we avoid
implicit unit assumptions.
diffstat:
src/python/m5/params.py | 25 +++++++++++++++++++++++++
src/python/m5/util/convert.py | 8 ++++++++
2 files changed, 33 insertions(+), 0 deletions(-)
diffs (50 lines):
diff -r cba563d00376 -r 26fee6c20087 src/python/m5/params.py
--- a/src/python/m5/params.py Thu Oct 09 17:51:58 2014 -0400
+++ b/src/python/m5/params.py Thu Oct 09 17:52:00 2014 -0400
@@ -1485,6 +1485,31 @@
def ini_str(self):
return '%f' % self.getValue()
+class Current(float, ParamValue):
+ cxx_type = 'double'
+ ex_str = "1mA"
+ cmd_line_settable = False
+
+ def __new__(cls, value):
+ # convert to current
+ val = convert.toCurrent(value)
+ return super(cls, Current).__new__(cls, val)
+
+ def __call__(self, value):
+ val = convert.toCurrent(value)
+ self.__init__(val)
+ return value
+
+ def __str__(self):
+ return str(self.getValue())
+
+ def getValue(self):
+ value = float(self)
+ return value
+
+ def ini_str(self):
+ return '%f' % self.getValue()
+
class NetworkBandwidth(float,ParamValue):
cxx_type = 'float'
ex_str = "1Gbps"
diff -r cba563d00376 -r 26fee6c20087 src/python/m5/util/convert.py
--- a/src/python/m5/util/convert.py Thu Oct 09 17:51:58 2014 -0400
+++ b/src/python/m5/util/convert.py Thu Oct 09 17:52:00 2014 -0400
@@ -311,3 +311,11 @@
raise ValueError, "cannot convert '%s' to voltage" % value
+def toCurrent(value):
+ if not isinstance(value, str):
+ raise TypeError, "wrong type '%s' should be str" % type(value)
+
+ if value.endswith('A'):
+ return toFloat(value[:-1])
+
+ raise ValueError, "cannot convert '%s' to current" % value
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