1# Copyright (c) 1999-2008 Mark D. Hill and David A. Wood 2# Copyright (c) 2009 The Hewlett-Packard Development Company 3# All rights reserved. 4# 5# Redistribution and use in source and binary forms, with or without 6# modification, are permitted provided that the following conditions are 7# met: redistributions of source code must retain the above copyright 8# notice, this list of conditions and the following disclaimer; --- 75 unchanged lines hidden (view full) --- 84 self.error("Unrecognized function name: '%s'", self.proc_name) 85 86 if len(self.exprs) != len(func.param_types): 87 self.error("Wrong number of arguments passed to function : '%s'" +\ 88 " Expected %d, got %d", self.proc_name, 89 len(func.param_types), len(self.exprs)) 90 91 cvec = [] |
92 type_vec = [] |
93 for expr,expected_type in zip(self.exprs, func.param_types): 94 # Check the types of the parameter 95 actual_type,param_code = expr.inline(True) 96 if actual_type != expected_type: 97 expr.error("Type mismatch: expected: %s actual: %s" % \ 98 (expected_type, actual_type)) 99 cvec.append(param_code) |
100 type_vec.append(expected_type) |
101 102 # OK, the semantics of "trigger" here is that, ports in the 103 # machine have different priorities. We always check the first 104 # port for doable transitions. If nothing/stalled, we pick one 105 # from the next port. 106 # 107 # One thing we have to be careful as the SLICC protocol 108 # writter is : If a port have two or more transitions can be 109 # picked from in one cycle, they must be independent. 110 # Otherwise, if transition A and B mean to be executed in 111 # sequential, and A get stalled, transition B can be issued 112 # erroneously. In practice, in most case, there is only one 113 # transition should be executed in one cycle for a given 114 # port. So as most of current protocols. 115 116 if self.proc_name == "trigger": 117 code(''' 118{ 119 Address addr = ${{cvec[1]}}; |
120''') 121 if machine.TBEType != None and machine.EntryType != None: 122 code(''' 123 TransitionResult result = doTransition(${{cvec[0]}}, ${{cvec[2]}}, ${{cvec[3]}}, addr); 124''') 125 elif machine.TBEType != None: 126 code(''' 127 TransitionResult result = doTransition(${{cvec[0]}}, ${{cvec[2]}}, addr); 128''') 129 elif machine.EntryType != None: 130 code(''' 131 TransitionResult result = doTransition(${{cvec[0]}}, ${{cvec[2]}}, addr); 132''') 133 else: 134 code(''' 135 TransitionResult result = doTransition(${{cvec[0]}}, addr); 136''') |
137 |
138 code(''' |
139 if (result == TransitionResult_Valid) { 140 counter++; 141 continue; // Check the first port again 142 } 143 144 if (result == TransitionResult_ResourceStall) { 145 g_eventQueue_ptr->scheduleEvent(this, 1); 146 --- 42 unchanged lines hidden (view full) --- 189 $error 190} 191#endif 192''') 193 194 elif self.proc_name == "continueProcessing": 195 code("counter++;") 196 code("continue; // Check the first port again") |
197 198 elif self.proc_name == "set_cache_entry": 199 code("set_cache_entry(m_cache_entry_ptr, %s);" %(cvec[0])); 200 elif self.proc_name == "unset_cache_entry": 201 code("unset_cache_entry(m_cache_entry_ptr);"); 202 elif self.proc_name == "set_tbe": 203 code("set_tbe(m_tbe_ptr, %s);" %(cvec[0])); 204 elif self.proc_name == "unset_tbe": 205 code("unset_tbe(m_tbe_ptr);"); 206 |
207 else: 208 # Normal function 209 210 # if the func is internal to the chip but not the machine 211 # then it can only be accessed through the chip pointer 212 internal = "" 213 if "external" not in func and not func.isInternalMachineFunc: 214 internal = "m_chip_ptr->" 215 |
216 params = "" 217 first_param = True 218 219 for (param_code, type) in zip(cvec, type_vec): 220 if str(type) == "TBE" or ("interface" in type and 221 type["interface"] == "AbstractCacheEntry"): 222 223 if first_param: 224 params = str(param_code).replace('*','') 225 first_param = False 226 else: 227 params += ', ' 228 params += str(param_code).replace('*',''); 229 else: 230 if first_param: 231 params = str(param_code) 232 first_param = False 233 else: 234 params += ', ' 235 params += str(param_code); 236 |
237 fix = code.nofix() 238 code('(${internal}${{func.c_ident}}($params))') 239 code.fix(fix) 240 241 return func.return_type |