| 1 | # ========== Copyright Header Begin ========================================== |
| 2 | # |
| 3 | # OpenSPARC T2 Processor File: SS_State.py |
| 4 | # Copyright (c) 2006 Sun Microsystems, Inc. All Rights Reserved. |
| 5 | # DO NOT ALTER OR REMOVE COPYRIGHT NOTICES. |
| 6 | # |
| 7 | # The above named program is free software; you can redistribute it and/or |
| 8 | # modify it under the terms of the GNU General Public |
| 9 | # License version 2 as published by the Free Software Foundation. |
| 10 | # |
| 11 | # The above named program is distributed in the hope that it will be |
| 12 | # useful, but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 13 | # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 14 | # General Public License for more details. |
| 15 | # |
| 16 | # You should have received a copy of the GNU General Public |
| 17 | # License along with this work; if not, write to the Free Software |
| 18 | # Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301, USA. |
| 19 | # |
| 20 | # ========== Copyright Header End ============================================ |
| 21 | |
| 22 | from SS_Access import * |
| 23 | |
| 24 | X = '0' |
| 25 | |
| 26 | RW = 'RW' |
| 27 | RO = 'RO' |
| 28 | R1C = 'R1C' |
| 29 | RW1C = 'RW1C' |
| 30 | |
| 31 | class SS_Field: |
| 32 | def old__init__(self,name,start,end,access,init): |
| 33 | self.name = name |
| 34 | self.start = start |
| 35 | self.end = end |
| 36 | self.access = access |
| 37 | self.init = init |
| 38 | self.width = end - start + 1 |
| 39 | |
| 40 | def __init__(self,nseai): |
| 41 | self.name = nseai[0] |
| 42 | self.start = nseai[1] |
| 43 | self.end = nseai[2] |
| 44 | self.access = nseai[3] |
| 45 | self.init = nseai[4] |
| 46 | self.width = self.end - self.start + 1 |
| 47 | if self.end < self.start: |
| 48 | raise RuntimeError, "end < start in field "+self.name |
| 49 | |
| 50 | def set_reg(self,reg): |
| 51 | self.reg = reg |
| 52 | if self.width == self.reg.size: |
| 53 | self.mask = '~('+self.reg.type+')0' |
| 54 | else: |
| 55 | self.mask = '(('+self.reg.type+'(1) << '+str(self.width)+') - 1)' |
| 56 | |
| 57 | def cpp(self,file): |
| 58 | if len(self.name): |
| 59 | ofs = str(self.start) |
| 60 | msk = '('+self.mask+' << '+ofs+')' |
| 61 | set = '{ '+self.reg.type+' m = '+msk+'; _data = (_data &~ m) | ((v << '+ofs+') & m); return *this; }' |
| 62 | get = '{ return (_data >> '+ofs+') & '+self.mask+'; }' |
| 63 | for l in [ |
| 64 | ' '+self.reg.type+'\t'+self.name+'()\t\t\t'+get, |
| 65 | ' '+self.reg.class_name+'&\t'+self.name+'( '+self.reg.type+' v )\t'+set, |
| 66 | ' const static uint64_t\t\tOFFSET_'+self.name.upper()+' = '+ofs+';', |
| 67 | ' const static uint64_t\t\tWIDTH_'+self.name.upper()+' = '+str(self.width)+';', |
| 68 | '']: |
| 69 | file.write(l+'\n') |
| 70 | |
| 71 | def ro_mask(self): |
| 72 | if self.access == RO: |
| 73 | return '('+self.mask+' << '+str(self.start)+')' |
| 74 | else: |
| 75 | return '0' |
| 76 | |
| 77 | def rw_mask(self): |
| 78 | if self.access == RW: |
| 79 | return '('+self.mask+' << '+str(self.start)+')' |
| 80 | else: |
| 81 | return '0' |
| 82 | |
| 83 | def r1c_mask(self): |
| 84 | if self.access == R1C: |
| 85 | return '('+self.mask+' << '+str(self.start)+')' |
| 86 | else: |
| 87 | return '0' |
| 88 | |
| 89 | def w1c_mask(self): |
| 90 | if self.access == RW1C: |
| 91 | return '('+self.mask+' << '+str(self.start)+')' |
| 92 | else: |
| 93 | return '0' |
| 94 | |
| 95 | def init_val(self): |
| 96 | return '(('+self.reg.type+')('+str(self.init)+') << '+str(self.start)+')' |
| 97 | |
| 98 | |
| 99 | # Coding conventions have it that members and variables are all lower |
| 100 | # case with underscore(underbar) as spacer and types are capitalized |
| 101 | # with no underscores. capitalize_variable() converts member name to that |
| 102 | |
| 103 | def capitalize_variable(name): |
| 104 | name = name.capitalize() |
| 105 | us = name.find('_') |
| 106 | if us >= 0: |
| 107 | name = name[:us] + capitalize_variable(name[us+1:]) |
| 108 | return name |
| 109 | |
| 110 | class SS_CtrReg: |
| 111 | def __init__(self,class_prefix,name,table,index,access,size,fields): |
| 112 | self.class_prefix = class_prefix |
| 113 | self.name = name |
| 114 | self.table = table |
| 115 | self.index = index |
| 116 | self.access = access |
| 117 | self.size = size |
| 118 | self.fields = map(SS_Field,fields) |
| 119 | self.class_name = self.class_prefix+'_'+capitalize_variable(self.name) |
| 120 | self.type = 'uint' + str(self.size) + '_t' |
| 121 | for f in self.fields: |
| 122 | f.set_reg(self) |
| 123 | |
| 124 | |
| 125 | def cpp(self,file): |
| 126 | if self.size == 0: |
| 127 | return |
| 128 | rw_mask='0' |
| 129 | w1c_mask='0' |
| 130 | for i,field in enumerate(self.fields): |
| 131 | if i == 0: |
| 132 | rw_mask=rw_mask+' | '+field.rw_mask() |
| 133 | w1c_mask=w1c_mask+' | '+field.w1c_mask() |
| 134 | else: |
| 135 | rw_mask=rw_mask+'\n | '+field.rw_mask() |
| 136 | w1c_mask=w1c_mask+'\n | '+field.w1c_mask() |
| 137 | |
| 138 | file.write('class %s /*{{{*/\n' % self.class_name) |
| 139 | file.write('{\n') |
| 140 | file.write(' public:\n') |
| 141 | file.write(' %s()\n' % self.class_name) |
| 142 | file.write(' :_data(0)\n') |
| 143 | if self.fields != []: |
| 144 | file.write(' ,_mask(%s)\n' % rw_mask) |
| 145 | file.write(' {}\n') |
| 146 | if self.fields != []: |
| 147 | file.write(' %s( %s d, %s m, %s i )\n' % (self.class_name,self.type,self.type,self.type)) |
| 148 | else: |
| 149 | file.write(' %s( %s d )\n' % (self.class_name,self.type)) |
| 150 | file.write(' :_data(d)\n') |
| 151 | if self.fields != []: |
| 152 | file.write(' ,_mask(m)\n') |
| 153 | file.write(' {}\n') |
| 154 | file.write('\n') |
| 155 | if self.fields != []: |
| 156 | file.write(' void reset() \t\t{ _data = 0; }\n') |
| 157 | else: |
| 158 | file.write(' void reset() \t\t{}\n') |
| 159 | file.write('\n') |
| 160 | file.write(' void snapshot( SS_SnapShot& ss )\t{ ss.val(&_data); }\n') |
| 161 | file.write('\n') |
| 162 | file.write(' const char* name() \t\t{ return "%s"; }\n' % self.name) |
| 163 | file.write('\n') |
| 164 | file.write(' %s operator()() \t\t{ return _data; }\n' % self.type) |
| 165 | file.write('\n') |
| 166 | file.write(' %s& operator=( %s v )\t{ _data = v; return *this; }\n' % (self.class_name,self.type)) |
| 167 | file.write('\n') |
| 168 | if self.fields == []: |
| 169 | file.write(' void set( %s v )\t{ _data = v; }\n' % (self.type)) |
| 170 | else: |
| 171 | file.write(' void set( %s v )\t{ _data = (_data &~ _mask) | (v & _mask); }\n' % (self.type)) |
| 172 | file.write('\n') |
| 173 | for field in self.fields: |
| 174 | field.cpp(file) |
| 175 | file.write(' protected:\n') |
| 176 | file.write(' %s _data;\n' % self.type) |
| 177 | if self.fields != []: |
| 178 | file.write(' %s _mask;\n' % self.type) |
| 179 | file.write('};\n') |
| 180 | file.write('/*}}}*/\n') |
| 181 | |
| 182 | def run_exe_rd(self): |
| 183 | pass |
| 184 | |
| 185 | def run_exe_wr(self): |
| 186 | pass |
| 187 | |
| 188 | |
| 189 | class SS_CtrTable: |
| 190 | def __init__(self,regs): |
| 191 | self.table = {} |
| 192 | for r in regs: |
| 193 | self.table[r.index] = r |
| 194 | |
| 195 | def reg_at(self,index): |
| 196 | if self.table.has_key(index): |
| 197 | return self.table[index] |
| 198 | else: |
| 199 | return None |
| 200 | |
| 201 | #============================================================================ |
| 202 | # SS_AsiCtrReg(prefix,name,fields) |
| 203 | #============================================================================ |
| 204 | |
| 205 | SHARED ='SS_SharedAsiCtrReg' |
| 206 | PRIVATE='SS_AsiCtrReg' |
| 207 | |
| 208 | class SS_AsiCtrReg: |
| 209 | def __init__(self,prefix,name,inheritance,fields,code=[],constructor_code=[]): |
| 210 | self.class_prefix = prefix |
| 211 | self.name = name |
| 212 | self.inheritance = inheritance |
| 213 | self.fields = map(SS_Field,fields) |
| 214 | self.size = 64 |
| 215 | self.type = 'uint64_t' |
| 216 | self.class_name = self.class_prefix+'_'+capitalize_variable(self.name) |
| 217 | for f in self.fields: |
| 218 | f.set_reg(self) |
| 219 | self.code = code |
| 220 | self.constructor_code = constructor_code |
| 221 | |
| 222 | |
| 223 | def cpp(self,file): |
| 224 | ro_mask ='\n , uint64_t(0)' |
| 225 | rw_mask ='\n , uint64_t(0)' |
| 226 | r1c_mask='\n , uint64_t(0)' |
| 227 | w1c_mask='\n , uint64_t(0)' |
| 228 | init ='\n , uint64_t(0)' |
| 229 | for i,field in enumerate(self.fields): |
| 230 | ro_mask=ro_mask+ '\n | '+field.ro_mask() |
| 231 | rw_mask=rw_mask+ '\n | '+field.rw_mask() |
| 232 | r1c_mask=r1c_mask+'\n | '+field.r1c_mask() |
| 233 | w1c_mask=w1c_mask+'\n | '+field.w1c_mask() |
| 234 | init=init+ '\n | '+field.init_val() |
| 235 | |
| 236 | for l in [ |
| 237 | 'class '+self.class_name+' : public '+self.inheritance+' /*{{{*/', |
| 238 | '{\n', |
| 239 | ' public:\n', |
| 240 | ' '+self.class_name+'()\n', |
| 241 | ' :\n', |
| 242 | ' '+self.inheritance+'("'+self.name+'"'+ro_mask+r1c_mask+rw_mask+w1c_mask+init+')\n', |
| 243 | ' {']: |
| 244 | file.write(l) |
| 245 | if self.constructor_code != []: |
| 246 | file.write('\n') |
| 247 | for line in self.constructor_code: |
| 248 | file.write(' %s\n' % line) |
| 249 | for l in [ |
| 250 | ' }', |
| 251 | '', |
| 252 | ' uint64_t operator()()\t\t{ return get(); }', |
| 253 | '', |
| 254 | ' '+self.class_name+'& operator=( uint64_t v )\t{ set(v); return *this; }', |
| 255 | '']: |
| 256 | file.write(l+'\n') |
| 257 | |
| 258 | for field in self.fields: |
| 259 | field.cpp(file) |
| 260 | |
| 261 | if self.code != []: |
| 262 | file.write('\n') |
| 263 | for line in self.code: |
| 264 | file.write(' %s\n' % line) |
| 265 | |
| 266 | for l in [ |
| 267 | '};', |
| 268 | '/*}}}*/']: |
| 269 | file.write(l+'\n') |
| 270 | |
| 271 | def run_exe_rd(self): |
| 272 | pass |
| 273 | |
| 274 | def run_exe_wr(self): |
| 275 | pass |
| 276 | |
| 277 | class SS_RasCtrReg: |
| 278 | def __init__(self,class_prefix,name,table,index,access,size,fields,code=[]): |
| 279 | self.class_prefix = class_prefix |
| 280 | self.name = name |
| 281 | self.table = table |
| 282 | self.index = index |
| 283 | self.access = access |
| 284 | self.size = size |
| 285 | self.fields = map(SS_Field,fields) |
| 286 | self.class_name = self.class_prefix+'_'+capitalize_variable(self.name) |
| 287 | self.type = 'uint' + str(self.size) + '_t' |
| 288 | for f in self.fields: |
| 289 | f.set_reg(self) |
| 290 | |
| 291 | self.code = code |
| 292 | |
| 293 | def cpp(self,file): |
| 294 | if self.size == 0: |
| 295 | return |
| 296 | mask='0' |
| 297 | for i,field in enumerate(self.fields): |
| 298 | if i == 0: |
| 299 | mask=mask+' | '+field.rw_mask() |
| 300 | else: |
| 301 | mask=mask+'\n | '+field.rw_mask() |
| 302 | |
| 303 | file.write('class %s /*{{{*/\n' % self.class_name) |
| 304 | file.write('{\n') |
| 305 | file.write(' public:\n') |
| 306 | file.write(' %s()\n' % self.class_name) |
| 307 | file.write(' :_data(0)\n') |
| 308 | if self.fields != []: |
| 309 | file.write(' ,_mask(%s)\n' % mask) |
| 310 | file.write(' {}\n') |
| 311 | if self.fields != []: |
| 312 | file.write(' %s( %s d, %s m, %s i )\n' % (self.class_name,self.type,self.type,self.type)) |
| 313 | else: |
| 314 | file.write(' %s( %s d )\n' % (self.class_name,self.type)) |
| 315 | file.write(' :_data(d)\n') |
| 316 | if self.fields != []: |
| 317 | file.write(' ,_mask(m)\n') |
| 318 | file.write(' {}\n') |
| 319 | file.write('\n') |
| 320 | if self.fields != []: |
| 321 | file.write(' void reset() \t\t{ _data = 0; }\n') |
| 322 | else: |
| 323 | file.write(' void reset() \t\t{}\n') |
| 324 | file.write('\n') |
| 325 | file.write(' void snapshot( SS_SnapShot& ss )\t{ ss.val(&_data); }\n') |
| 326 | file.write('\n') |
| 327 | file.write(' const char* name() \t\t{ return "%s"; }\n' % self.name) |
| 328 | file.write('\n') |
| 329 | file.write(' %s operator()() \t\t{ return _data; }\n' % self.type) |
| 330 | file.write('\n') |
| 331 | file.write(' %s& operator=( %s v )\t{ _data = v; return *this; }\n' % (self.class_name,self.type)) |
| 332 | file.write('\n') |
| 333 | if self.fields == []: |
| 334 | file.write(' void set( %s v )\t{ _data = v; }\n' % (self.type)) |
| 335 | else: |
| 336 | file.write(' void set( %s v )\t{ _data = (_data &~ _mask) | (v & _mask); }\n' % (self.type)) |
| 337 | file.write('\n') |
| 338 | for field in self.fields: |
| 339 | field.cpp(file) |
| 340 | file.write(' const static uint8_t bit_size_%s = %s;\n' % (field.name,field.width)) |
| 341 | |
| 342 | if self.code != []: |
| 343 | file.write('\n') |
| 344 | for line in self.code: |
| 345 | file.write(' %s;\n' % line) |
| 346 | |
| 347 | file.write(' protected:\n') |
| 348 | file.write(' %s _data;\n' % self.type) |
| 349 | if self.fields != []: |
| 350 | file.write(' %s _mask;\n' % self.type) |
| 351 | file.write('};\n') |
| 352 | file.write('/*}}}*/\n') |
| 353 | |
| 354 | def run_exe_rd(self): |
| 355 | pass |
| 356 | |
| 357 | def run_exe_wr(self): |
| 358 | pass |
| 359 | |
| 360 | |
| 361 | |
| 362 | |
| 363 | |
| 364 | |