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################################################################################
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# Copyright 2012-2015, Sinclair R.F., Inc.
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#
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# Utilities required by ssbcc.
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# Copyright 2012-2013, Sinclair R.F., Inc.
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#
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# Utilities required by ssbcc
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#
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################################################################################
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import math
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import math
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import os
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import os
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import re
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import re
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import sys
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import sys
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from ssbccPeripheral import SSBCCinterruptPeripheral
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from ssbccUtil import *
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from ssbccUtil import *
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class SSBCCconfig():
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class SSBCCconfig():
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"""
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"""
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Container for ssbcc configuration commands, the associated parsing, and
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Container for ssbcc configuration commands, the associated parsing, and
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loc file name and line number for error messages
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loc file name and line number for error messages
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"""
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"""
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self.AddSymbol(name,loc);
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self.AddSymbol(name,loc);
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if name in self.constants:
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if name in self.constants:
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raise SSBCCException('CONSTANT "%s" already declared at %s' % (name,loc,));
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raise SSBCCException('CONSTANT "%s" already declared at %s' % (name,loc,));
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if not IsIntExpr(value):
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if not ((type(value) == int) or IsIntExpr(value)):
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raise SSBCCException('Could not evaluate expression "%s" for constant at %s' % (value,loc,));
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raise SSBCCException('Could not evaluate expression "%s" for constant at %s' % (value,loc,));
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self.constants[name] = ParseIntExpr(value);
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self.constants[name] = ParseIntExpr(value);
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def AddDefine(self,name):
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def AddDefine(self,name):
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"""
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"""
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def AddOutport(self,port,loc):
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def AddOutport(self,port,loc):
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"""
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"""
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Add an OUTPORT symbol to the processor.\n
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Add an OUTPORT symbol to the processor.\n
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port tuple as follows:
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port tuple as follows:
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port[0] - name of the OUTPORT symbol
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port[0] - name of the OUTPORT symbol
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port[1] - True if the outport is a strobe-only outport, false
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port[1] - True if the outport is a strobe-only outport, False
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otherwise
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otherwise
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port[2:] - zero or more tuples as follows:
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port[2:] - zero or more tuples as follows:
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(o_signal,width,type,[initialization],)
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(o_signal,width,type,[initialization],)
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where
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where
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o_signal is the name of the output signal
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o_signal is the name of the output signal
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peripherals.\n
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peripherals.\n
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path path to add to the list
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path path to add to the list
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"""
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"""
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self.peripheralpaths.insert(-1,path);
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self.peripheralpaths.insert(-1,path);
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def InterruptVector(self):
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"""
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Indicate whether or not interrupts have been enabled and, if so, what the
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interrupt address is.\n
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Note: The interrupt address cannot be zero because .main starts at address
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0 and it must have a non-empty body.\n
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Note: Returning "None" when there is not interrupt address ensures both a
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"False" evaluation and that the value cannot be turned into an
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integer for an address.
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"""
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if not self.Exists('interruptAddress'):
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return None;
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else:
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return self.Get('interruptAddress');
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def IsCombined(self,name):
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def IsCombined(self,name):
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"""
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"""
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Indicate whether or not the specified memory type has already been listed
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Indicate whether or not the specified memory type has already been listed
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in a "COMBINE" configuration command. The memory type should be one of
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in a "COMBINE" configuration command. The memory type should be one of
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DATA_STACK, INSTRUCTION, or RETURN_STACK.\n
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DATA_STACK, INSTRUCTION, or RETURN_STACK.\n
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