1// Copyright (c) 2008 The Hewlett-Packard Development Company 2// All rights reserved. 3// 4// The license below extends only to copyright in the software and shall 5// not be construed as granting a license to any other intellectual 6// property including but not limited to intellectual property relating 7// to a hardware implementation of the functionality of the software 8// licensed hereunder. You may use the software subject to the license --- 28 unchanged lines hidden (view full) --- 37 38////////////////////////////////////////////////////////////////////////// 39// 40// Debug Microops 41// 42////////////////////////////////////////////////////////////////////////// 43 44output header {{ |
45 class MicroDebug : public X86ISA::X86MicroopBase |
46 { 47 protected: |
48 std::shared_ptr<GenericISA::M5DebugFault> fault; |
49 50 public: |
51 MicroDebug(ExtMachInst _machInst, const char *mnem, 52 const char *instMnem, uint64_t setFlags, 53 GenericISA::M5DebugFault *_fault); |
54 |
55 Fault 56 execute(ExecContext *xc, Trace::InstRecord *traceData) const 57 { 58 return fault; 59 } 60 |
61 std::string 62 generateDisassembly(Addr pc, const SymbolTable *symtab) const 63 { 64 std::stringstream response; 65 66 printMnemonic(response, instMnem, mnemonic); |
67 response << "\"" << fault->message() << "\""; |
68 69 return response.str(); 70 } 71 }; |
72 |
73 class MicroDebugFlags : public MicroDebug |
74 { |
75 protected: 76 uint8_t cc; 77 |
78 public: |
79 MicroDebugFlags(ExtMachInst _machInst, const char *mnem, 80 const char *instMnem, uint64_t setFlags, 81 GenericISA::M5DebugFault *_fault, uint8_t _cc); |
82 83 Fault execute(ExecContext *, Trace::InstRecord *) const; 84 }; 85}}; 86 |
87output decoder {{ 88 MicroDebug::MicroDebug(ExtMachInst _machInst, const char *mnem, 89 const char *instMnem, uint64_t setFlags, 90 GenericISA::M5DebugFault *_fault) : 91 X86ISA::X86MicroopBase(_machInst, mnem, instMnem, 92 setFlags, No_OpClass), 93 fault(_fault) 94 {} 95}}; 96 97def template MicroDebugFlagsExecute {{ |
98 Fault 99 %(class_name)s::execute(ExecContext *xc, 100 Trace::InstRecord *traceData) const 101 { 102 %(op_decl)s 103 %(op_rd)s 104 if (%(cond_test)s) { |
105 return %(base_class)s::execute(xc, traceData); |
106 } else { 107 return NoFault; 108 } 109 } 110}}; 111 |
112def template MicroDebugFlagsConstructor {{ |
113 %(class_name)s::%(class_name)s( |
114 ExtMachInst machInst, const char *mnem, 115 const char *instMnem, uint64_t setFlags, 116 GenericISA::M5DebugFault *_fault, uint8_t _cc) : 117 %(base_class)s(machInst, mnem, instMnem, setFlags, _fault), 118 cc(_cc) |
119 { 120 %(constructor)s; 121 } 122}}; 123 124let {{ |
125 iop = InstObjParams("", "MicroDebugFlags", "MicroDebug", 126 {"code": "", 127 "cond_test": "checkCondition(ccFlagBits | cfofBits | \ 128 dfBit | ecfBit | ezfBit, cc)"}) 129 exec_output = MicroDebugFlagsExecute.subst(iop) 130 decoder_output = MicroDebugFlagsConstructor.subst(iop) 131}}; 132 133let {{ |
134 class MicroDebug(X86Microop): |
135 def __init__(self, name, fault, message, once, flags): 136 self.name = name 137 self.fault = fault |
138 self.message = message |
139 self.once = once 140 self.flags = flags 141 if flags and not isinstance(flags, (list, tuple)): 142 raise Exception, "flags must be a list or tuple of flags" |
143 |
144 self.className = "MicroDebugFlags" if flags else "MicroDebug" 145 |
146 def getAllocator(self, microFlags): |
147 if self.once: 148 fault_allocator_template = \ 149 "new %(fault_type)s(%(token)s, %(message)s)" 150 else: 151 fault_allocator_template = \ 152 "new %(fault_type)s(%(message)s)" 153 fault_allocator = fault_allocator_template % { 154 "fault_type": self.fault, 155 "token": "std::string(\"%s\")" % self.message, 156 "message": "\"%s\"" % self.message 157 } |
158 |
159 args = ["machInst", "\"%s\"" % self.name, "macrocodeBlock", 160 self.microFlagsText(microFlags), fault_allocator] |
161 |
162 if self.flags: 163 args.append(" | ".join(self.flags)) |
164 |
165 return "new " + self.className + "(" + ", ".join(args) + ")" |
166 |
167 def buildDebugMicro(name, with_once=False): 168 global microopClasses |
169 |
170 fault_class = "GenericISA::M5" + name.capitalize() + "Fault" 171 |
172 class MicroDebugChild(MicroDebug): |
173 def __init__(self, message, flags=None): 174 super(MicroDebugChild, self).__init__( 175 name, fault_class, message, False, flags) |
176 |
177 microopClasses[name] = MicroDebugChild |
178 |
179 if with_once: 180 fault_once_class = \ 181 "GenericISA::M5" + name.capitalize() + "OnceFault" 182 name_once = name + "_once" 183 184 class MicroDebugOnceChild(MicroDebug): 185 def __init__(self, message, flags=None): 186 super(MicroDebugOnceChild, self).__init__( 187 name_once, fault_once_class, message, True, flags) 188 189 microopClasses[name_once] = MicroDebugOnceChild 190 191 buildDebugMicro("panic") 192 buildDebugMicro("fatal") 193 buildDebugMicro("hack", True) 194 buildDebugMicro("inform", True) 195 buildDebugMicro("warn", True) |
196}}; |