annotate cpu_dsl.py @ 1703:49a52c737bf0

Fix zero flag calculation in CPU DSL
author Michael Pavone <pavone@retrodev.com>
date Mon, 28 Jan 2019 19:24:04 -0800
parents 73ac2e59fa3f
children 89932fd29abd
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1 #!/usr/bin/env python3
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2
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3
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4 class Block:
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5 def addOp(self, op):
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6 pass
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7
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8 def processLine(self, parts):
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9 if parts[0] == 'switch':
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10 o = Switch(self, parts[1])
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11 self.addOp(o)
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12 return o
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13 elif parts[0] == 'if':
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14 o = If(self, parts[1])
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15 self.addOp(o)
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16 return o
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17 elif parts[0] == 'end':
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18 raise Exception('end is only allowed inside a switch or if block')
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19 else:
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20 self.addOp(NormalOp(parts))
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21 return self
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22
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23 def resolveLocal(self, name):
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24 return None
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25
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26 class ChildBlock(Block):
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27 def processLine(self, parts):
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28 if parts[0] == 'end':
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29 return self.parent
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30 return super().processLine(parts)
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31
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32 #Represents an instruction of the emulated CPU
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33 class Instruction(Block):
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34 def __init__(self, value, fields, name):
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35 self.value = value
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36 self.fields = fields
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37 self.name = name
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38 self.implementation = []
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39 self.locals = {}
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40 self.regValues = {}
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41 self.varyingBits = 0
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42 self.invalidFieldValues = {}
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43 self.newLocals = []
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44 for field in fields:
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45 self.varyingBits += fields[field][1]
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46
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47 def addOp(self, op):
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48 if op.op == 'local':
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49 name = op.params[0]
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50 size = op.params[1]
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51 self.locals[name] = size
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52 elif op.op == 'invalid':
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53 name = op.params[0]
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54 value = int(op.params[1])
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55 self.invalidFieldValues.setdefault(name, set()).add(value)
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56 else:
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57 self.implementation.append(op)
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58
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59 def resolveLocal(self, name):
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60 if name in self.locals:
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61 return name
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62 return None
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63
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64 def addLocal(self, name, size):
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65 self.locals[name] = size
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66 self.newLocals.append(name)
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67
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68 def localSize(self, name):
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69 return self.locals.get(name)
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70
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71 def __lt__(self, other):
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72 if isinstance(other, Instruction):
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73 if self.varyingBits != other.varyingBits:
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74 return self.varyingBits < other.varyingBits
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75 return self.value < other.value
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76 else:
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77 return NotImplemented
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78
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79 def allValues(self):
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80 values = []
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81 for i in range(0, 1 << self.varyingBits):
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82 iword = self.value
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83 doIt = True
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84 for field in self.fields:
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85 shift,bits = self.fields[field]
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86 val = i & ((1 << bits) - 1)
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87 if field in self.invalidFieldValues and val in self.invalidFieldValues[field]:
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88 doIt = False
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89 break
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90 i >>= bits
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91 iword |= val << shift
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92 if doIt:
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93 values.append(iword)
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94 return values
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95
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96 def getFieldVals(self, value):
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97 fieldVals = {}
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98 fieldBits = {}
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99 for field in self.fields:
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100 shift,bits = self.fields[field]
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101 val = (value >> shift) & ((1 << bits) - 1)
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102 fieldVals[field] = val
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103 fieldBits[field] = bits
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104 return (fieldVals, fieldBits)
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105
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106 def generateName(self, value):
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107 fieldVals,fieldBits = self.getFieldVals(value)
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108 names = list(fieldVals.keys())
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109 names.sort()
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110 funName = self.name
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111 for name in names:
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112 funName += '_{0}_{1:0>{2}}'.format(name, bin(fieldVals[name])[2:], fieldBits[name])
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113 return funName
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114
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115 def generateBody(self, value, prog, otype):
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116 output = []
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117 prog.meta = {}
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118 prog.pushScope(self)
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119 self.regValues = {}
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120 for var in self.locals:
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121 output.append('\n\tuint{sz}_t {name};'.format(sz=self.locals[var], name=var))
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122 self.newLocals = []
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123 fieldVals,_ = self.getFieldVals(value)
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124 for op in self.implementation:
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125 op.generate(prog, self, fieldVals, output, otype)
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126 begin = '\nvoid ' + self.generateName(value) + '(' + prog.context_type + ' *context)\n{'
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127 if prog.needFlagCoalesce:
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128 begin += prog.flags.coalesceFlags(prog, otype)
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129 if prog.needFlagDisperse:
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130 output.append(prog.flags.disperseFlags(prog, otype))
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131 for var in self.newLocals:
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132 begin += '\n\tuint{sz}_t {name};'.format(sz=self.locals[var], name=var)
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133 prog.popScope()
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134 return begin + ''.join(output) + '\n}'
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135
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136 def __str__(self):
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137 pieces = [self.name + ' ' + hex(self.value) + ' ' + str(self.fields)]
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138 for name in self.locals:
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139 pieces.append('\n\tlocal {0} {1}'.format(name, self.locals[name]))
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140 for op in self.implementation:
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141 pieces.append(str(op))
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142 return ''.join(pieces)
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143
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144 #Represents the definition of a helper function
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145 class SubRoutine(Block):
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146 def __init__(self, name):
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147 self.name = name
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148 self.implementation = []
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149 self.args = []
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150 self.arg_map = {}
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151 self.locals = {}
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152 self.regValues = {}
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153
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154 def addOp(self, op):
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155 if op.op == 'arg':
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156 name = op.params[0]
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157 size = op.params[1]
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158 self.arg_map[name] = len(self.args)
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159 self.args.append((name, size))
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160 elif op.op == 'local':
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161 name = op.params[0]
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162 size = op.params[1]
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163 self.locals[name] = size
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164 else:
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165 self.implementation.append(op)
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166
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167 def resolveLocal(self, name):
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168 if name in self.locals:
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169 return self.name + '_' + name
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170 return None
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171
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172 def addLocal(self, name, size):
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173 self.locals[name] = size
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174
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175 def localSize(self, name):
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176 return self.locals.get(name)
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177
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178 def inline(self, prog, params, output, otype, parent):
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179 if len(params) != len(self.args):
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180 raise Exception('{0} expects {1} arguments, but was called with {2}'.format(self.name, len(self.args), len(params)))
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181 argValues = {}
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182 if parent:
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183 self.regValues = parent.regValues
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184 prog.pushScope(self)
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185 i = 0
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186 for name,size in self.args:
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187 argValues[name] = params[i]
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188 i += 1
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189 for name in self.locals:
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190 size = self.locals[name]
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191 output.append('\n\tuint{size}_t {sub}_{local};'.format(size=size, sub=self.name, local=name))
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192 for op in self.implementation:
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193 op.generate(prog, self, argValues, output, otype)
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194 prog.popScope()
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195
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196 def __str__(self):
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197 pieces = [self.name]
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198 for name,size in self.args:
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199 pieces.append('\n\targ {0} {1}'.format(name, size))
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200 for name in self.locals:
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201 pieces.append('\n\tlocal {0} {1}'.format(name, self.locals[name]))
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202 for op in self.implementation:
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203 pieces.append(str(op))
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204 return ''.join(pieces)
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205
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206 class Op:
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207 def __init__(self, evalFun = None):
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208 self.evalFun = evalFun
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209 self.impls = {}
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210 self.outOp = ()
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211 def cBinaryOperator(self, op):
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212 def _impl(prog, params):
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213 if op == '-':
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214 a = params[1]
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215 b = params[0]
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216 else:
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217 a = params[0]
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218 b = params[1]
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219 return '\n\t{dst} = {a} {op} {b};'.format(
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220 dst = params[2], a = a, b = b, op = op
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221 )
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222 self.impls['c'] = _impl
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223 self.outOp = (2,)
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224 return self
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225 def cUnaryOperator(self, op):
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226 def _impl(prog, params):
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227 return '\n\t{dst} = {op}{a};'.format(
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228 dst = params[1], a = params[0], op = op
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229 )
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230 self.impls['c'] = _impl
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231 self.outOp = (1,)
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232 return self
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233 def addImplementation(self, lang, outOp, impl):
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234 self.impls[lang] = impl
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235 if not outOp is None:
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236 if type(outOp) is tuple:
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237 self.outOp = outOp
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238 else:
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239 self.outOp = (outOp,)
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240 return self
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241 def evaluate(self, params):
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242 return self.evalFun(*params)
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243 def canEval(self):
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244 return not self.evalFun is None
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245 def numArgs(self):
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246 return self.evalFun.__code__.co_argcount
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247 def generate(self, otype, prog, params, rawParams):
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248 if self.impls[otype].__code__.co_argcount == 2:
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249 return self.impls[otype](prog, params)
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250 else:
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251 return self.impls[otype](prog, params, rawParams)
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252
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253
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254 def _xchgCImpl(prog, params, rawParams):
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255 size = prog.paramSize(rawParams[0])
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256 decl,name = prog.getTemp(size)
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257 return decl + '\n\t{tmp} = {a};\n\t{a} = {b};\n\t{b} = {tmp};'.format(a = params[0], b = params[1], tmp = name)
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258
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259 def _dispatchCImpl(prog, params):
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260 if len(params) == 1:
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261 table = 'main'
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262 else:
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263 table = params[1]
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264 return '\n\timpl_{tbl}[{op}](context);'.format(tbl = table, op = params[0])
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265
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266 def _updateFlagsCImpl(prog, params, rawParams):
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267 i = 0
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268 last = ''
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269 autoUpdate = set()
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270 explicit = {}
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271 for c in params[0]:
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272 if c.isdigit():
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273 if last.isalpha():
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274 num = int(c)
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275 if num > 1:
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276 raise Exception(c + ' is not a valid digit for update_flags')
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277 explicit[last] = num
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278 last = c
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279 else:
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280 raise Exception('Digit must follow flag letter in update_flags')
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281 else:
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282 if last.isalpha():
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283 autoUpdate.add(last)
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284 last = c
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285 if last.isalpha():
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286 autoUpdate.add(last)
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287 output = []
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288 #TODO: handle autoUpdate flags
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289 for flag in autoUpdate:
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290 calc = prog.flags.flagCalc[flag]
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291 calc,_,resultBit = calc.partition('-')
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292 lastDst = prog.resolveParam(prog.lastDst, None, {})
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293 storage = prog.flags.getStorage(flag)
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294 if calc == 'bit' or calc == 'sign':
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295 if calc == 'sign':
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296 resultBit = prog.paramSize(prog.lastDst) - 1
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297 else:
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298 resultBit = int(resultBit)
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299 if type(storage) is tuple:
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300 reg,storageBit = storage
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301 reg = prog.resolveParam(reg, None, {})
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302 if storageBit == resultBit:
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diff changeset
303 #TODO: optimize this case
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304 output.append('\n\t{reg} = ({reg} & ~{mask}U) | ({res} & {mask}U);'.format(
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305 reg = reg, mask = 1 << resultBit, res = lastDst
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diff changeset
306 ))
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307 else:
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308 if resultBit > storageBit:
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diff changeset
309 op = '>>'
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310 shift = resultBit - storageBit
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311 else:
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312 op = '<<'
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313 shift = storageBit - resultBit
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314 output.append('\n\t{reg} = ({reg} & ~{mask}U) | ({res} {op} {shift}U & {mask}U);'.format(
1613
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315 reg = reg, mask = 1 << storageBit, res = lastDst, op = op, shift = shift
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diff changeset
316 ))
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317 else:
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318 reg = prog.resolveParam(storage, None, {})
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319 output.append('\n\t{reg} = {res} & {mask}U;'.format(reg=reg, res=lastDst, mask = 1 << resultBit))
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320 elif calc == 'zero':
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321 if type(storage) is tuple:
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322 reg,storageBit = storage
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323 reg = prog.resolveParam(reg, None, {})
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324 output.append('\n\t{reg} = {res} ? ({reg} & {mask}U) : ({reg} | {bit}U);'.format(
1613
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diff changeset
325 reg = reg, mask = ~(1 << storageBit), res = lastDst, bit = 1 << storageBit
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diff changeset
326 ))
1703
49a52c737bf0 Fix zero flag calculation in CPU DSL
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parents: 1702
diff changeset
327 else:
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328 reg = prog.resolveParam(storage, None, {})
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parents: 1702
diff changeset
329 output.append('\n\t{reg} = {res} == 0;'.format(
1613
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diff changeset
330 reg = reg, res = lastDst
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diff changeset
331 ))
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diff changeset
332 elif calc == 'half-carry':
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diff changeset
333 pass
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diff changeset
334 elif calc == 'carry':
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diff changeset
335 pass
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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diff changeset
336 elif calc == 'overflow':
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diff changeset
337 pass
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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diff changeset
338 elif calc == 'parity':
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diff changeset
339 pass
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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diff changeset
340 #TODO: combine explicit flags targeting the same storage location
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diff changeset
341 for flag in explicit:
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diff changeset
342 location = prog.flags.getStorage(flag)
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diff changeset
343 if type(location) is tuple:
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diff changeset
344 reg,bit = location
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diff changeset
345 reg = prog.resolveReg(reg, None, {})
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diff changeset
346 value = str(1 << bit)
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diff changeset
347 if explicit[flag]:
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diff changeset
348 operator = '|='
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diff changeset
349 else:
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diff changeset
350 operator = '&='
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diff changeset
351 value = '~' + value
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diff changeset
352 output.append('\n\t{reg} {op} {val};'.format(reg=reg, op=operator, val=value))
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parents:
diff changeset
353 else:
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diff changeset
354 reg = prog.resolveReg(location, None, {})
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diff changeset
355 output.append('\n\t{reg} = {val};'.format(reg=reg, val=explicit[flag]))
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parents:
diff changeset
356 return ''.join(output)
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parents:
diff changeset
357
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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diff changeset
358 def _cmpCImpl(prog, params):
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diff changeset
359 size = prog.paramSize(params[1])
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diff changeset
360 tmpvar = 'cmp_tmp{sz}__'.format(sz=size)
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diff changeset
361 typename = ''
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362 scope = prog.getRootScope()
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363 if not scope.resolveLocal(tmpvar):
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diff changeset
364 scope.addLocal(tmpvar, size)
1613
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diff changeset
365 prog.lastDst = tmpvar
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diff changeset
366 return '\n\t{var} = {b} - {a};'.format(var = tmpvar, a = params[0], b = params[1])
1613
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parents:
diff changeset
367
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diff changeset
368 def _asrCImpl(prog, params, rawParams):
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diff changeset
369 shiftSize = prog.paramSize(rawParams[0])
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diff changeset
370 mask = 1 << (shiftSize - 1)
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diff changeset
371 return '\n\t{dst} = ({a} >> {b}) | ({a} & {mask});'.format(a = params[0], b = params[1], dst = params[2], mask = mask)
1697
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parents: 1621
diff changeset
372
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parents: 1621
diff changeset
373 def _sext(size, src):
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parents: 1621
diff changeset
374 if size == 16:
44d8c6e61ad4 Added new sext instruction for sign extension to CPU sdl
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parents: 1621
diff changeset
375 return src | 0xFF00 if src & 0x80 else src
44d8c6e61ad4 Added new sext instruction for sign extension to CPU sdl
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parents: 1621
diff changeset
376 else:
44d8c6e61ad4 Added new sext instruction for sign extension to CPU sdl
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parents: 1621
diff changeset
377 return src | 0xFFFF0000 if src & 0x8000 else src
44d8c6e61ad4 Added new sext instruction for sign extension to CPU sdl
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parents: 1621
diff changeset
378
44d8c6e61ad4 Added new sext instruction for sign extension to CPU sdl
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parents: 1621
diff changeset
379 def _sextCImpl(prog, params, rawParms):
44d8c6e61ad4 Added new sext instruction for sign extension to CPU sdl
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parents: 1621
diff changeset
380 if params[0] == 16:
44d8c6e61ad4 Added new sext instruction for sign extension to CPU sdl
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parents: 1621
diff changeset
381 fmt = '\n\t{dst} = {src} & 0x80 ? {src} | 0xFF00 : {src};'
44d8c6e61ad4 Added new sext instruction for sign extension to CPU sdl
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parents: 1621
diff changeset
382 else:
44d8c6e61ad4 Added new sext instruction for sign extension to CPU sdl
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parents: 1621
diff changeset
383 fmt = '\n\t{dst} = {src} & 0x8000 ? {src} | 0xFFFF0000 : {src};'
44d8c6e61ad4 Added new sext instruction for sign extension to CPU sdl
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parents: 1621
diff changeset
384 return fmt.format(src=params[1], dst=params[2])
1702
73ac2e59fa3f Implemented sbc instruction in CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1701
diff changeset
385
73ac2e59fa3f Implemented sbc instruction in CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1701
diff changeset
386 def _getCarryCheck(prog):
1701
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parents: 1700
diff changeset
387 carryFlag = None
4fd34fde390c Added adc instruction to CPU DSL
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parents: 1700
diff changeset
388 for flag in prog.flags.flagCalc:
4fd34fde390c Added adc instruction to CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1700
diff changeset
389 if prog.flags.flagCalc[flag] == 'carry':
4fd34fde390c Added adc instruction to CPU DSL
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parents: 1700
diff changeset
390 carryFlag = flag
4fd34fde390c Added adc instruction to CPU DSL
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parents: 1700
diff changeset
391 if carryFlag is None:
4fd34fde390c Added adc instruction to CPU DSL
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parents: 1700
diff changeset
392 raise Exception('adc requires a defined carry flag')
4fd34fde390c Added adc instruction to CPU DSL
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parents: 1700
diff changeset
393 carryStorage = prog.flags.getStorage(carryFlag)
4fd34fde390c Added adc instruction to CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1700
diff changeset
394 if type(carryStorage) is tuple:
4fd34fde390c Added adc instruction to CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1700
diff changeset
395 reg,bit = carryStorage
4fd34fde390c Added adc instruction to CPU DSL
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parents: 1700
diff changeset
396 reg = prog.resolveReg(reg, None, (), False)
1702
73ac2e59fa3f Implemented sbc instruction in CPU DSL
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parents: 1701
diff changeset
397 return '({reg} & 1 << {bit})'.format(reg=reg, bit=bit)
1701
4fd34fde390c Added adc instruction to CPU DSL
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parents: 1700
diff changeset
398 else:
1702
73ac2e59fa3f Implemented sbc instruction in CPU DSL
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parents: 1701
diff changeset
399 return prog.resolveReg(carryStorage, None, (), False)
73ac2e59fa3f Implemented sbc instruction in CPU DSL
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parents: 1701
diff changeset
400
73ac2e59fa3f Implemented sbc instruction in CPU DSL
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parents: 1701
diff changeset
401 def _adcCImpl(prog, params, rawParams):
73ac2e59fa3f Implemented sbc instruction in CPU DSL
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parents: 1701
diff changeset
402
73ac2e59fa3f Implemented sbc instruction in CPU DSL
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parents: 1701
diff changeset
403 return '\n\t{dst} = {a} + {b} + ({check} ? 1 : 0);'.format(dst = params[2],
73ac2e59fa3f Implemented sbc instruction in CPU DSL
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parents: 1701
diff changeset
404 a = params[0], b = params[1], check=_getCarryCheck(prog)
73ac2e59fa3f Implemented sbc instruction in CPU DSL
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parents: 1701
diff changeset
405 )
73ac2e59fa3f Implemented sbc instruction in CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1701
diff changeset
406
73ac2e59fa3f Implemented sbc instruction in CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1701
diff changeset
407 def _sbcCImpl(prog, params, rawParams):
73ac2e59fa3f Implemented sbc instruction in CPU DSL
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parents: 1701
diff changeset
408 return '\n\t{dst} = {a} - {b} - ({check} ? 1 : 0);'.format(dst = params[2],
73ac2e59fa3f Implemented sbc instruction in CPU DSL
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parents: 1701
diff changeset
409 a = params[0], b = params[1], check=_getCarryCheck(prog)
73ac2e59fa3f Implemented sbc instruction in CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1701
diff changeset
410 )
1701
4fd34fde390c Added adc instruction to CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1700
diff changeset
411
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
412 _opMap = {
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
413 'mov': Op(lambda val: val).cUnaryOperator(''),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
414 'not': Op(lambda val: ~val).cUnaryOperator('~'),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
415 'lnot': Op(lambda val: 0 if val else 1).cUnaryOperator('!'),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
416 'neg': Op(lambda val: -val).cUnaryOperator('-'),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
417 'add': Op(lambda a, b: a + b).cBinaryOperator('+'),
1701
4fd34fde390c Added adc instruction to CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1700
diff changeset
418 'adc': Op().addImplementation('c', 2, _adcCImpl),
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
419 'sub': Op(lambda a, b: b - a).cBinaryOperator('-'),
1702
73ac2e59fa3f Implemented sbc instruction in CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1701
diff changeset
420 'sbc': Op().addImplementation('c', 2, _sbcCImpl),
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
421 'lsl': Op(lambda a, b: a << b).cBinaryOperator('<<'),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
422 'lsr': Op(lambda a, b: a >> b).cBinaryOperator('>>'),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
423 'asr': Op(lambda a, b: a >> b).addImplementation('c', 2, _asrCImpl),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
424 'and': Op(lambda a, b: a & b).cBinaryOperator('&'),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
425 'or': Op(lambda a, b: a | b).cBinaryOperator('|'),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
426 'xor': Op(lambda a, b: a ^ b).cBinaryOperator('^'),
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
427 'abs': Op(lambda val: abs(val)).addImplementation(
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
428 'c', 1, lambda prog, params: '\n\t{dst} = abs({src});'.format(dst=params[1], src=params[0])
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
429 ),
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
430 'cmp': Op().addImplementation('c', None, _cmpCImpl),
1697
44d8c6e61ad4 Added new sext instruction for sign extension to CPU sdl
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parents: 1621
diff changeset
431 'sext': Op(_sext).addImplementation('c', 2, _sextCImpl),
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
432 'ocall': Op().addImplementation('c', None, lambda prog, params: '\n\t{pre}{fun}({args});'.format(
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
433 pre = prog.prefix, fun = params[0], args = ', '.join(['context'] + [str(p) for p in params[1:]])
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
434 )),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
435 'cycles': Op().addImplementation('c', None,
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
436 lambda prog, params: '\n\tcontext->cycles += context->opts->gen.clock_divider * {0};'.format(
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
437 params[0]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
438 )
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
439 ),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
440 'addsize': Op(
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
441 lambda a, b: b + (2 * a if a else 1)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
442 ).addImplementation('c', 2, lambda prog, params: '\n\t{dst} = {val} + {sz} ? {sz} * 2 : 1;'.format(
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
443 dst = params[2], sz = params[0], val = params[1]
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
444 )),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
445 'decsize': Op(
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
446 lambda a, b: b - (2 * a if a else 1)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
447 ).addImplementation('c', 2, lambda prog, params: '\n\t{dst} = {val} - {sz} ? {sz} * 2 : 1;'.format(
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
448 dst = params[2], sz = params[0], val = params[1]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
449 )),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
450 'xchg': Op().addImplementation('c', (0,1), _xchgCImpl),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
451 'dispatch': Op().addImplementation('c', None, _dispatchCImpl),
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
452 'update_flags': Op().addImplementation('c', None, _updateFlagsCImpl)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
453 }
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
454
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
455 #represents a simple DSL instruction
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
456 class NormalOp:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
457 def __init__(self, parts):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
458 self.op = parts[0]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
459 self.params = parts[1:]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
460
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
461 def generate(self, prog, parent, fieldVals, output, otype):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
462 procParams = []
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
463 allParamsConst = True
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
464 opDef = _opMap.get(self.op)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
465 for param in self.params:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
466 allowConst = (self.op in prog.subroutines or len(procParams) != len(self.params) - 1) and param in parent.regValues
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
467 isDst = (not opDef is None) and len(procParams) in opDef.outOp
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
468 param = prog.resolveParam(param, parent, fieldVals, allowConst, isDst)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
469
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
470 if (not type(param) is int) and len(procParams) != len(self.params) - 1:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
471 allParamsConst = False
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
472 procParams.append(param)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
473
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
474 if self.op == 'meta':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
475 param,_,index = self.params[1].partition('.')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
476 if index:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
477 index = (parent.resolveLocal(index) or index)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
478 if index in fieldVals:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
479 index = str(fieldVals[index])
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
480 param = param + '.' + index
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
481 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
482 param = parent.resolveLocal(param) or param
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
483 if param in fieldVals:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
484 param = fieldVals[index]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
485 prog.meta[self.params[0]] = param
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
486 elif self.op == 'dis':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
487 #TODO: Disassembler
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
488 pass
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
489 elif not opDef is None:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
490 if opDef.canEval() and allParamsConst:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
491 #do constant folding
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
492 if opDef.numArgs() >= len(procParams):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
493 raise Exception('Insufficient args for ' + self.op + ' (' + ', '.join(self.params) + ')')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
494 dst = self.params[opDef.numArgs()]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
495 result = opDef.evaluate(procParams[:opDef.numArgs()])
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
496 while dst in prog.meta:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
497 dst = prog.meta[dst]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
498 maybeLocal = parent.resolveLocal(dst)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
499 if maybeLocal:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
500 dst = maybeLocal
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
501 parent.regValues[dst] = result
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
502 if prog.isReg(dst):
1699
93103ad9d7f7 Fix constant propagation to a non-ephemeral destination in CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1698
diff changeset
503 shortProc = (procParams[0], procParams[-1])
93103ad9d7f7 Fix constant propagation to a non-ephemeral destination in CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1698
diff changeset
504 shortParams = (self.params[0], self.params[-1])
93103ad9d7f7 Fix constant propagation to a non-ephemeral destination in CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1698
diff changeset
505 output.append(_opMap['mov'].generate(otype, prog, shortProc, shortParams))
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
506 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
507 output.append(opDef.generate(otype, prog, procParams, self.params))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
508 elif self.op in prog.subroutines:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
509 prog.subroutines[self.op].inline(prog, procParams, output, otype, parent)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
510 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
511 output.append('\n\t' + self.op + '(' + ', '.join([str(p) for p in procParams]) + ');')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
512 prog.lastOp = self
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
513
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
514 def __str__(self):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
515 return '\n\t' + self.op + ' ' + ' '.join(self.params)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
516
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
517 #represents a DSL switch construct
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
518 class Switch(ChildBlock):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
519 def __init__(self, parent, param):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
520 self.op = 'switch'
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
521 self.parent = parent
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
522 self.param = param
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
523 self.cases = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
524 self.regValues = None
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
525 self.current_locals = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
526 self.case_locals = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
527 self.current_case = None
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
528 self.default = None
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
529 self.default_locals = None
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
530
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
531 def addOp(self, op):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
532 if op.op == 'case':
1619
0e8438a4c76f Clean up warnings from -1 case
Michael Pavone <pavone@retrodev.com>
parents: 1618
diff changeset
533 val = int(op.params[0], 16) if op.params[0].startswith('0x') else int(op.params[0])
0e8438a4c76f Clean up warnings from -1 case
Michael Pavone <pavone@retrodev.com>
parents: 1618
diff changeset
534 self.cases[val] = self.current_case = []
0e8438a4c76f Clean up warnings from -1 case
Michael Pavone <pavone@retrodev.com>
parents: 1618
diff changeset
535 self.case_locals[val] = self.current_locals = {}
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
536 elif op.op == 'default':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
537 self.default = self.current_case = []
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
538 self.default_locals = self.current_locals = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
539 elif self.current_case == None:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
540 raise ion('Orphan instruction in switch')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
541 elif op.op == 'local':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
542 name = op.params[0]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
543 size = op.params[1]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
544 self.current_locals[name] = size
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
545 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
546 self.current_case.append(op)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
547
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
548 def resolveLocal(self, name):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
549 if name in self.current_locals:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
550 return name
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
551 return self.parent.resolveLocal(name)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
552
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
553 def addLocal(self, name, size):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
554 self.current_locals[name] = size
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
555
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
556 def localSize(self, name):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
557 if name in self.current_locals:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
558 return self.current_locals[name]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
559 return self.parent.localSize(name)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
560
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
561 def generate(self, prog, parent, fieldVals, output, otype):
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
562 prog.pushScope(self)
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
563 param = prog.resolveParam(self.param, parent, fieldVals)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
564 if type(param) is int:
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
565 self.regValues = self.parent.regValues
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
566 if param in self.cases:
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
567 self.current_locals = self.case_locals[param]
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
568 output.append('\n\t{')
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
569 for local in self.case_locals[param]:
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
570 output.append('\n\tuint{0}_t {1};'.format(self.case_locals[param][local], local))
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
571 for op in self.cases[param]:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
572 op.generate(prog, self, fieldVals, output, otype)
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
573 output.append('\n\t}')
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
574 elif self.default:
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
575 self.current_locals = self.default_locals
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
576 output.append('\n\t{')
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
577 for local in self.default_locals:
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
578 output.append('\n\tuint{0}_t {1};'.format(self.default[local], local))
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
579 for op in self.default:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
580 op.generate(prog, self, fieldVals, output, otype)
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
581 output.append('\n\t}')
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
582 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
583 output.append('\n\tswitch(' + param + ')')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
584 output.append('\n\t{')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
585 for case in self.cases:
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
586 self.current_locals = self.case_locals[case]
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
587 self.regValues = dict(self.parent.regValues)
1619
0e8438a4c76f Clean up warnings from -1 case
Michael Pavone <pavone@retrodev.com>
parents: 1618
diff changeset
588 output.append('\n\tcase {0}U: '.format(case) + '{')
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
589 for local in self.case_locals[case]:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
590 output.append('\n\tuint{0}_t {1};'.format(self.case_locals[case][local], local))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
591 for op in self.cases[case]:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
592 op.generate(prog, self, fieldVals, output, otype)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
593 output.append('\n\tbreak;')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
594 output.append('\n\t}')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
595 if self.default:
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
596 self.current_locals = self.default_locals
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
597 self.regValues = dict(self.parent.regValues)
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
598 output.append('\n\tdefault: {')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
599 for local in self.default_locals:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
600 output.append('\n\tuint{0}_t {1};'.format(self.default_locals[local], local))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
601 for op in self.default:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
602 op.generate(prog, self, fieldVals, output, otype)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
603 output.append('\n\t}')
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
604 prog.popScope()
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
605
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
606 def __str__(self):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
607 keys = self.cases.keys()
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
608 keys.sort()
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
609 lines = ['\n\tswitch']
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
610 for case in keys:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
611 lines.append('\n\tcase {0}'.format(case))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
612 lines.append(''.join([str(op) for op in self.cases[case]]))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
613 lines.append('\n\tend')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
614 return ''.join(lines)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
615
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
616
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
617 def _geuCImpl(prog, parent, fieldVals, output):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
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parents:
diff changeset
618 if prog.lastOp.op == 'cmp':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
619 output.pop()
1616
8c78543c4783 Fix implementation cmp+condition version of if in CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1615
diff changeset
620 params = [prog.resolveParam(p, parent, fieldVals) for p in prog.lastOp.params]
8c78543c4783 Fix implementation cmp+condition version of if in CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1615
diff changeset
621 return '\n\tif ({a} >= {b}) '.format(a=params[1], b = params[0]) + '{'
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
622 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
623 raise ion(">=U not implemented in the general case yet")
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
624
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
625 _ifCmpImpl = {
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
626 'c': {
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
627 '>=U': _geuCImpl
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
628 }
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
629 }
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
630 #represents a DSL conditional construct
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
631 class If(ChildBlock):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
632 def __init__(self, parent, cond):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
633 self.op = 'if'
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
634 self.parent = parent
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
635 self.cond = cond
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
636 self.body = []
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
637 self.elseBody = []
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
638 self.curBody = self.body
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
639 self.locals = {}
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
640 self.elseLocals = {}
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
641 self.curLocals = self.locals
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
642 self.regValues = None
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
643
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
644 def addOp(self, op):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
645 if op.op in ('case', 'arg'):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
646 raise Exception(self.op + ' is not allows inside an if block')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
647 if op.op == 'local':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
648 name = op.params[0]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
649 size = op.params[1]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
650 self.locals[name] = size
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
651 elif op.op == 'else':
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
652 self.curLocals = self.elseLocals
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
653 self.curBody = self.elseBody
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
654 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
655 self.curBody.append(op)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
656
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
657 def localSize(self, name):
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
658 return self.curLocals.get(name)
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
659
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
660 def resolveLocal(self, name):
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
661 if name in self.locals:
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
662 return name
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
663 return self.parent.resolveLocal(name)
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
664
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
665 def _genTrueBody(self, prog, fieldVals, output, otype):
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
666 self.curLocals = self.locals
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
667 for local in self.locals:
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
668 output.append('\n\tuint{sz}_t {nm};'.format(sz=self.locals[local], nm=local))
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
669 for op in self.body:
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
670 op.generate(prog, self, fieldVals, output, otype)
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
671
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
672 def _genFalseBody(self, prog, fieldVals, output, otype):
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
673 self.curLocals = self.elseLocals
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
674 for local in self.elseLocals:
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
675 output.append('\n\tuint{sz}_t {nm};'.format(sz=self.elseLocals[local], nm=local))
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
676 for op in self.elseBody:
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
677 op.generate(prog, self, fieldVals, output, otype)
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
678
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
679 def _genConstParam(self, param, prog, fieldVals, output, otype):
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
680 if param:
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
681 self._genTrueBody(prog, fieldVals, output, otype)
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
682 else:
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
683 self._genFalseBody(prog, fieldVals, output, otype)
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
684
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
685 def generate(self, prog, parent, fieldVals, output, otype):
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
686 self.regValues = parent.regValues
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
687 try:
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
688 self._genConstParam(prog.checkBool(self.cond), prog, fieldVals, output, otype)
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
689 except Exception:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
690 if self.cond in _ifCmpImpl[otype]:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
691 output.append(_ifCmpImpl[otype][self.cond](prog, parent, fieldVals, output))
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
692 self._genTrueBody(prog, fieldVals, output, otype)
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
693 if self.elseBody:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
694 output.append('\n\t} else {')
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
695 self._genFalseBody(prog, fieldVals, output, otype)
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
696 output.append('\n\t}')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
697 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
698 cond = prog.resolveParam(self.cond, parent, fieldVals)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
699 if type(cond) is int:
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
700 self._genConstParam(cond, prog, fieldVals, output, otype)
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
701 else:
1614
c9639139aedf Did some cleanup of SVP code using the newly more powerful DSL if block and fixed some issues in the DSL implementation that cropped up as a result
Michael Pavone <pavone@retrodev.com>
parents: 1613
diff changeset
702 output.append('\n\tif ({cond}) '.format(cond=cond) + '{')
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
703 self._genTrueBody(prog, fieldVals, output, otype)
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
704 if self.elseBody:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
705 output.append('\n\t} else {')
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
706 self._genFalseBody(prog, fieldVals, output, otype)
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
707 output.append('\n\t}')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
708
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
709
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
710 def __str__(self):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
711 lines = ['\n\tif']
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
712 for op in self.body:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
713 lines.append(str(op))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
714 lines.append('\n\tend')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
715 return ''.join(lines)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
716
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
717 class Registers:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
718 def __init__(self):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
719 self.regs = {}
1621
ca158bc091f9 Implement program ROM reads
Michael Pavone <pavone@retrodev.com>
parents: 1620
diff changeset
720 self.pointers = {}
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
721 self.regArrays = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
722 self.regToArray = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
723
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
724 def addReg(self, name, size):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
725 self.regs[name] = size
1621
ca158bc091f9 Implement program ROM reads
Michael Pavone <pavone@retrodev.com>
parents: 1620
diff changeset
726
ca158bc091f9 Implement program ROM reads
Michael Pavone <pavone@retrodev.com>
parents: 1620
diff changeset
727 def addPointer(self, name, size):
ca158bc091f9 Implement program ROM reads
Michael Pavone <pavone@retrodev.com>
parents: 1620
diff changeset
728 self.pointers[name] = size
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
729
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
730 def addRegArray(self, name, size, regs):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
731 self.regArrays[name] = (size, regs)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
732 idx = 0
1615
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
733 if not type(regs) is int:
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
734 for reg in regs:
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
735 self.regs[reg] = size
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
736 self.regToArray[reg] = (name, idx)
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
737 idx += 1
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
738
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
739 def isReg(self, name):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
740 return name in self.regs
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
741
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
742 def isRegArray(self, name):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
743 return name in self.regArrays
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
744
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
745 def isRegArrayMember(self, name):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
746 return name in self.regToArray
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
747
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
748 def arrayMemberParent(self, name):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
749 return self.regToArray[name][0]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
750
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
751 def arrayMemberIndex(self, name):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
752 return self.regToArray[name][1]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
753
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
754 def arrayMemberName(self, array, index):
1615
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
755 if type(index) is int and not type(self.regArrays[array][1]) is int:
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
756 return self.regArrays[array][1][index]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
757 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
758 return None
1615
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
759
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
760 def isNamedArray(self, array):
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
761 return array in self.regArrays and type(self.regArrays[array][1]) is int
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
762
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
763 def processLine(self, parts):
1615
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
764 if len(parts) == 3:
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
765 self.addRegArray(parts[0], int(parts[1]), int(parts[2]))
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
766 elif len(parts) > 2:
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
767 self.addRegArray(parts[0], int(parts[1]), parts[2:])
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
768 else:
1621
ca158bc091f9 Implement program ROM reads
Michael Pavone <pavone@retrodev.com>
parents: 1620
diff changeset
769 if parts[1].startswith('ptr'):
ca158bc091f9 Implement program ROM reads
Michael Pavone <pavone@retrodev.com>
parents: 1620
diff changeset
770 self.addPointer(parts[0], int(parts[1][3:]))
ca158bc091f9 Implement program ROM reads
Michael Pavone <pavone@retrodev.com>
parents: 1620
diff changeset
771 else:
ca158bc091f9 Implement program ROM reads
Michael Pavone <pavone@retrodev.com>
parents: 1620
diff changeset
772 self.addReg(parts[0], int(parts[1]))
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
773 return self
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
774
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
775 def writeHeader(self, otype, hFile):
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
776 fieldList = []
1621
ca158bc091f9 Implement program ROM reads
Michael Pavone <pavone@retrodev.com>
parents: 1620
diff changeset
777 for pointer in self.pointers:
ca158bc091f9 Implement program ROM reads
Michael Pavone <pavone@retrodev.com>
parents: 1620
diff changeset
778 hFile.write('\n\tuint{sz}_t *{nm};'.format(nm=pointer, sz=self.pointers[pointer]))
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
779 for reg in self.regs:
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
780 if not self.isRegArrayMember(reg):
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
781 fieldList.append((self.regs[reg], 1, reg))
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
782 for arr in self.regArrays:
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
783 size,regs = self.regArrays[arr]
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
784 if not type(regs) is int:
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
785 regs = len(regs)
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
786 fieldList.append((size, regs, arr))
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
787 fieldList.sort()
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
788 fieldList.reverse()
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
789 for size, count, name in fieldList:
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
790 if count > 1:
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
791 hFile.write('\n\tuint{sz}_t {nm}[{ct}];'.format(sz=size, nm=name, ct=count))
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
792 else:
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
793 hFile.write('\n\tuint{sz}_t {nm};'.format(sz=size, nm=name))
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
794
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
795 class Flags:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
796 def __init__(self):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
797 self.flagBits = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
798 self.flagCalc = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
799 self.flagStorage = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
800 self.flagReg = None
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
801 self.maxBit = -1
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
802
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
803 def processLine(self, parts):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
804 if parts[0] == 'register':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
805 self.flagReg = parts[1]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
806 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
807 flag,bit,calc,storage = parts
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
808 bit,_,top = bit.partition('-')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
809 bit = int(bit)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
810 if top:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
811 top = int(bit)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
812 if top > self.maxBit:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
813 self.maxBit = top
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
814 self.flagBits[flag] = (bit,top)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
815 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
816 if bit > self.maxBit:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
817 self.maxBit = bit
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
818 self.flagBits[flag] = bit
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
819 self.flagCalc[flag] = calc
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
820 self.flagStorage[flag] = storage
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
821 return self
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
822
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
823 def getStorage(self, flag):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
824 if not flag in self.flagStorage:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
825 raise Exception('Undefined flag ' + flag)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
826 loc,_,bit = self.flagStorage[flag].partition('.')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
827 if bit:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
828 return (loc, int(bit))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
829 else:
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
830 return loc
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
831
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
832 def disperseFlags(self, prog, otype):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
833 bitToFlag = [None] * (self.maxBit+1)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
834 src = prog.resolveReg(self.flagReg, None, {})
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
835 output = []
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
836 for flag in self.flagBits:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
837 bit = self.flagBits[flag]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
838 if type(bit) is tuple:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
839 bot,top = bit
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
840 mask = ((1 << (top + 1 - bot)) - 1) << bot
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
841 output.append('\n\t{dst} = {src} & mask;'.format(
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
842 dst=prog.resolveReg(self.flagStorage[flag], None, {}), src=src, mask=mask
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
843 ))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
844 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
845 bitToFlag[self.flagBits[flag]] = flag
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
846 multi = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
847 for bit in range(len(bitToFlag)-1,-1,-1):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
848 flag = bitToFlag[bit]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
849 if not flag is None:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
850 field,_,dstbit = self.flagStorage[flag].partition('.')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
851 dst = prog.resolveReg(field, None, {})
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
852 if dstbit:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
853 dstbit = int(dstbit)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
854 multi.setdefault(dst, []).append((dstbit, bit))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
855 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
856 output.append('\n\t{dst} = {src} & {mask};'.format(dst=dst, src=src, mask=(1 << bit)))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
857 for dst in multi:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
858 didClear = False
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
859 direct = []
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
860 for dstbit, bit in multi[dst]:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
861 if dstbit == bit:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
862 direct.append(bit)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
863 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
864 if not didClear:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
865 output.append('\n\t{dst} = 0;'.format(dst=dst))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
866 didClear = True
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
867 if dstbit > bit:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
868 shift = '<<'
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
869 diff = dstbit - bit
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
870 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
871 shift = '>>'
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
872 diff = bit - dstbit
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
873 output.append('\n\t{dst} |= {src} {shift} {diff} & {mask};'.format(
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
874 src=src, dst=dst, shift=shift, diff=diff, mask=(1 << dstbit)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
875 ))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
876 if direct:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
877 if len(direct) == len(multi[dst]):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
878 output.append('\n\t{dst} = {src};'.format(dst=dst, src=src))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
879 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
880 mask = 0
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
881 for bit in direct:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
882 mask = mask | (1 << bit)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
883 output.append('\n\t{dst} = {src} & {mask};'.format(dst=dst, src=src, mask=mask))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
884 return ''.join(output)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
885
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
886 def coalesceFlags(self, prog, otype):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
887 dst = prog.resolveReg(self.flagReg, None, {})
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
888 output = ['\n\t{dst} = 0;'.format(dst=dst)]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
889 bitToFlag = [None] * (self.maxBit+1)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
890 for flag in self.flagBits:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
891 bit = self.flagBits[flag]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
892 if type(bit) is tuple:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
893 bot,_ = bit
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
894 src = prog.resolveReg(self.flagStorage[flag], None, {})
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
895 if bot:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
896 output.append('\n\t{dst} |= {src} << {shift};'.format(
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
897 dst=dst, src = src, shift = bot
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
898 ))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
899 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
900 output.append('\n\t{dst} |= {src};'.format(
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
901 dst=dst, src = src
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
902 ))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
903 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
904 bitToFlag[bit] = flag
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
905 multi = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
906 for bit in range(len(bitToFlag)-1,-1,-1):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
907 flag = bitToFlag[bit]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
908 if not flag is None:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
909 field,_,srcbit = self.flagStorage[flag].partition('.')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
910 src = prog.resolveReg(field, None, {})
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
911 if srcbit:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
912 srcbit = int(srcbit)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
913 multi.setdefault(src, []).append((srcbit,bit))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
914 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
915 output.append('\n\tif ({src}) {{\n\t\t{dst} |= 1 << {bit};\n\t}}'.format(
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
916 dst=dst, src=src, bit=bit
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
917 ))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
918 for src in multi:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
919 direct = 0
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
920 for srcbit, dstbit in multi[src]:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
921 if srcbit == dstbit:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
922 direct = direct | (1 << srcbit)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
923 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
924 output.append('\n\tif ({src} & (1 << {srcbit})) {{\n\t\t{dst} |= 1 << {dstbit};\n\t}}'.format(
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
925 src=src, dst=dst, srcbit=srcbit, dstbit=dstbit
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
926 ))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
927 if direct:
1698
90272218469c Fixed missing semicolon in coalesceFlags
Michael Pavone <pavone@retrodev.com>
parents: 1697
diff changeset
928 output.append('\n\t{dst} |= {src} & {mask};'.format(
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
929 dst=dst, src=src, mask=direct
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
930 ))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
931 return ''.join(output)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
932
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
933
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
934 class Program:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
935 def __init__(self, regs, instructions, subs, info, flags):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
936 self.regs = regs
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
937 self.instructions = instructions
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
938 self.subroutines = subs
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
939 self.meta = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
940 self.booleans = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
941 self.prefix = info.get('prefix', [''])[0]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
942 self.opsize = int(info.get('opcode_size', ['8'])[0])
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
943 self.extra_tables = info.get('extra_tables', [])
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
944 self.context_type = self.prefix + 'context'
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
945 self.body = info.get('body', [None])[0]
1620
a172f97d873f Add the ability for a CPU definition to reference arbitrary C includes and use it to add a placeholder definition of svp_read_16
Michael Pavone <pavone@retrodev.com>
parents: 1619
diff changeset
946 self.includes = info.get('include', [])
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
947 self.flags = flags
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
948 self.lastDst = None
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
949 self.scopes = []
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
950 self.currentScope = None
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
951 self.lastOp = None
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
952
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
953 def __str__(self):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
954 pieces = []
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
955 for reg in self.regs:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
956 pieces.append(str(self.regs[reg]))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
957 for name in self.subroutines:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
958 pieces.append('\n'+str(self.subroutines[name]))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
959 for instruction in self.instructions:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
960 pieces.append('\n'+str(instruction))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
961 return ''.join(pieces)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
962
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
963 def writeHeader(self, otype, header):
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
964 hFile = open(header, 'w')
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
965 macro = header.upper().replace('.', '_')
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
966 hFile.write('#ifndef {0}_'.format(macro))
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
967 hFile.write('\n#define {0}_'.format(macro))
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
968 hFile.write('\n#include "backend.h"')
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
969 hFile.write('\n\ntypedef struct {')
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
970 hFile.write('\n\tcpu_options gen;')
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
971 hFile.write('\n}} {0}options;'.format(self.prefix))
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
972 hFile.write('\n\ntypedef struct {')
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
973 hFile.write('\n\t{0}options *opts;'.format(self.prefix))
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
974 hFile.write('\n\tuint32_t cycles;')
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
975 self.regs.writeHeader(otype, hFile)
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
976 hFile.write('\n}} {0}context;'.format(self.prefix))
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
977 hFile.write('\n')
1703
49a52c737bf0 Fix zero flag calculation in CPU DSL
Michael Pavone <pavone@retrodev.com>
parents: 1702
diff changeset
978 hFile.write('\nvoid {pre}execute({type} *context, uint32_t target_cycle);'.format(pre = self.prefix, type = self.context_type))
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
979 hFile.write('\n#endif //{0}_'.format(macro))
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
980 hFile.write('\n')
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
981 hFile.close()
1700
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
982
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
983 def _buildTable(self, otype, table, body):
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
984 pieces = []
1700
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
985 opmap = [None] * (1 << self.opsize)
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
986 bodymap = {}
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
987 if table in self.instructions:
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
988 instructions = self.instructions[table]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
989 instructions.sort()
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
990 for inst in instructions:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
991 for val in inst.allValues():
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
992 if opmap[val] is None:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
993 self.meta = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
994 self.temp = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
995 self.needFlagCoalesce = False
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
996 self.needFlagDisperse = False
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
997 self.lastOp = None
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
998 opmap[val] = inst.generateName(val)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
999 bodymap[val] = inst.generateBody(val, self, otype)
1700
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1000
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1001 pieces.append('\ntypedef void (*impl_fun)({pre}context *context);'.format(pre=self.prefix))
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1002 pieces.append('\nstatic impl_fun impl_{name}[{sz}] = {{'.format(name = table, sz=len(opmap)))
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1003 for inst in range(0, len(opmap)):
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1004 op = opmap[inst]
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1005 if op is None:
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1006 pieces.append('\n\tunimplemented,')
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1007 else:
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1008 pieces.append('\n\t' + op + ',')
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1009 body.append(bodymap[inst])
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1010 pieces.append('\n};')
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1011 body.extend(pieces)
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1012
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1013 def build(self, otype):
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1014 body = []
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1015 pieces = []
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1016 for include in self.includes:
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1017 body.append('#include "{0}"\n'.format(include))
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1018 body.append('\nstatic void unimplemented({pre}context *context)'.format(pre = self.prefix))
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1019 body.append('\n{')
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1020 body.append('\n\tfatal_error("Unimplemented instruction");')
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1021 body.append('\n}\n')
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1022 for table in self.extra_tables:
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1023 self._buildTable(otype, table, body)
e4b4e21a37fa Output tables in order specified by the extra_tables field so the user can deal with dependencies between tables
Michael Pavone <pavone@retrodev.com>
parents: 1699
diff changeset
1024 self._buildTable(otype, 'main', body)
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1025 if self.body in self.subroutines:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1026 pieces.append('\nvoid {pre}execute({type} *context, uint32_t target_cycle)'.format(pre = self.prefix, type = self.context_type))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1027 pieces.append('\n{')
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1028 pieces.append('\n\twhile (context->cycles < target_cycle)')
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1029 pieces.append('\n\t{')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1030 self.meta = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1031 self.temp = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1032 self.subroutines[self.body].inline(self, [], pieces, otype, None)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1033 pieces.append('\n\t}')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1034 pieces.append('\n}')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1035 return ''.join(body) + ''.join(pieces)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1036
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1037 def checkBool(self, name):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1038 if not name in self.booleans:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1039 raise Exception(name + ' is not a defined boolean flag')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1040 return self.booleans[name]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1041
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1042 def getTemp(self, size):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1043 if size in self.temp:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1044 return ('', self.temp[size])
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1045 self.temp[size] = 'tmp{sz}'.format(sz=size);
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1046 return ('\n\tuint{sz}_t tmp{sz};'.format(sz=size), self.temp[size])
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1047
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1048 def resolveParam(self, param, parent, fieldVals, allowConstant=True, isdst=False):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1049 keepGoing = True
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1050 while keepGoing:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1051 keepGoing = False
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1052 try:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1053 if type(param) is int:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1054 pass
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1055 elif param.startswith('0x'):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1056 param = int(param, 16)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1057 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1058 param = int(param)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1059 except ValueError:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1060
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1061 if parent:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1062 if param in parent.regValues and allowConstant:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1063 return parent.regValues[param]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1064 maybeLocal = parent.resolveLocal(param)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1065 if maybeLocal:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1066 return maybeLocal
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1067 if param in fieldVals:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1068 param = fieldVals[param]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1069 elif param in self.meta:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1070 param = self.meta[param]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1071 keepGoing = True
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1072 elif self.isReg(param):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1073 param = self.resolveReg(param, parent, fieldVals, isdst)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1074 return param
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1075
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1076 def isReg(self, name):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1077 if not type(name) is str:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1078 return False
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1079 begin,sep,_ = name.partition('.')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1080 if sep:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1081 if begin in self.meta:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1082 begin = self.meta[begin]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1083 return self.regs.isRegArray(begin)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1084 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1085 return self.regs.isReg(name)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1086
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1087 def resolveReg(self, name, parent, fieldVals, isDst=False):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1088 begin,sep,end = name.partition('.')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1089 if sep:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1090 if begin in self.meta:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1091 begin = self.meta[begin]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1092 if not self.regs.isRegArrayMember(end):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1093 end = self.resolveParam(end, parent, fieldVals)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1094 if not type(end) is int and self.regs.isRegArrayMember(end):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1095 arrayName = self.regs.arrayMemberParent(end)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1096 end = self.regs.arrayMemberIndex(end)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1097 if arrayName != begin:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1098 end = 'context->{0}[{1}]'.format(arrayName, end)
1615
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
1099 if self.regs.isNamedArray(begin):
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
1100 regName = self.regs.arrayMemberName(begin, end)
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
1101 else:
28f80d1b343e Support immediate operands for ld and alu ops in SVP. Support double indirect and immediate address modes for alu ops. Fixed DSL issues revealed by those changes
Michael Pavone <pavone@retrodev.com>
parents: 1614
diff changeset
1102 regName = '{0}.{1}'.format(begin, end)
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1103 ret = 'context->{0}[{1}]'.format(begin, end)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1104 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1105 regName = name
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1106 if self.regs.isRegArrayMember(name):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1107 arr,idx = self.regs.regToArray[name]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1108 ret = 'context->{0}[{1}]'.format(arr, idx)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1109 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1110 ret = 'context->' + name
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1111 if regName == self.flags.flagReg:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1112 if isDst:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1113 self.needFlagDisperse = True
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1114 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1115 self.needFlagCoalesce = True
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1116 if isDst:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1117 self.lastDst = regName
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1118 return ret
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1119
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1120
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1121
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1122 def paramSize(self, name):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1123 size = self.currentScope.localSize(name)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1124 if size:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1125 return size
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1126 begin,sep,_ = name.partition('.')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1127 if sep and self.regs.isRegArray(begin):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1128 return self.regs.regArrays[begin][0]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1129 if self.regs.isReg(name):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1130 return self.regs.regs[name]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1131 return 32
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1132
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1133 def pushScope(self, scope):
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1134 self.scopes.append(scope)
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1135 self.currentScope = scope
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1136
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1137 def popScope(self):
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1138 ret = self.scopes.pop()
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1139 self.currentScope = self.scopes[-1] if self.scopes else None
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1140 return ret
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1141
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1142 def getRootScope(self):
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1143 return self.scopes[0]
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1144
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1145 def parse(f):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1146 instructions = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1147 subroutines = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1148 registers = None
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1149 flags = None
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1150 errors = []
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1151 info = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1152 line_num = 0
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1153 cur_object = None
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1154 for line in f:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1155 line_num += 1
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1156 line,_,comment = line.partition('#')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1157 if not line.strip():
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1158 continue
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1159 if line[0].isspace():
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1160 if not cur_object is None:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1161 parts = [el.strip() for el in line.split(' ')]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1162 if type(cur_object) is dict:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1163 cur_object[parts[0]] = parts[1:]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1164 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1165 cur_object = cur_object.processLine(parts)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1166
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1167 # if type(cur_object) is Registers:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1168 # if len(parts) > 2:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1169 # cur_object.addRegArray(parts[0], int(parts[1]), parts[2:])
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1170 # else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1171 # cur_object.addReg(parts[0], int(parts[1]))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1172 # elif type(cur_object) is dict:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1173 # cur_object[parts[0]] = parts[1:]
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1174 # elif parts[0] == 'switch':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1175 # o = Switch(cur_object, parts[1])
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1176 # cur_object.addOp(o)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1177 # cur_object = o
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1178 # elif parts[0] == 'if':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1179 # o = If(cur_object, parts[1])
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1180 # cur_object.addOp(o)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1181 # cur_object = o
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1182 # elif parts[0] == 'end':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1183 # cur_object = cur_object.parent
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1184 # else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1185 # cur_object.addOp(NormalOp(parts))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1186 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1187 errors.append("Orphan instruction on line {0}".format(line_num))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1188 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1189 parts = line.split(' ')
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1190 if len(parts) > 1:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1191 if len(parts) > 2:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1192 table,bitpattern,name = parts
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1193 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1194 bitpattern,name = parts
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1195 table = 'main'
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1196 value = 0
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1197 fields = {}
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1198 curbit = len(bitpattern) - 1
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1199 for char in bitpattern:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1200 value <<= 1
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1201 if char in ('0', '1'):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1202 value |= int(char)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1203 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1204 if char in fields:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1205 fields[char] = (curbit, fields[char][1] + 1)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1206 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1207 fields[char] = (curbit, 1)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1208 curbit -= 1
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1209 cur_object = Instruction(value, fields, name.strip())
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1210 instructions.setdefault(table, []).append(cur_object)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1211 elif line.strip() == 'regs':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1212 if registers is None:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1213 registers = Registers()
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1214 cur_object = registers
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1215 elif line.strip() == 'info':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1216 cur_object = info
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1217 elif line.strip() == 'flags':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1218 if flags is None:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1219 flags = Flags()
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1220 cur_object = flags
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1221 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1222 cur_object = SubRoutine(line.strip())
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1223 subroutines[cur_object.name] = cur_object
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1224 if errors:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1225 print(errors)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1226 else:
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1227 p = Program(registers, instructions, subroutines, info, flags)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1228 p.booleans['dynarec'] = False
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1229 p.booleans['interp'] = True
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1230
1618
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1231 if 'header' in info:
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1232 print('#include "{0}"'.format(info['header'][0]))
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1233 p.writeHeader('c', info['header'][0])
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1234 print('#include "util.h"')
5dbc453cd345 Getting SVP core closer to compiling
Michael Pavone <pavone@retrodev.com>
parents: 1616
diff changeset
1235 print('#include <stdlib.h>')
1613
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1236 print(p.build('c'))
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1237
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1238 def main(argv):
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1239 f = open(argv[1])
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1240 parse(f)
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1241
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1242 if __name__ == '__main__':
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1243 from sys import argv
2d9e8a7b8ba2 Initial commit of CPU DSL and a WIP SVP implementation written in that DSL
Michael Pavone <pavone@retrodev.com>
parents:
diff changeset
1244 main(argv)