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

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40// Debug Microops
41//
42//////////////////////////////////////////////////////////////////////////
43
44output header {{
45 class MicroDebugBase : public X86ISA::X86MicroopBase
46 {
47 protected:
48 typedef GenericISA::M5DebugFault::DebugFunc DebugFunc;
49 DebugFunc func;
50 std::string message;
51 uint8_t cc;
52
53 public:
54 MicroDebugBase(ExtMachInst machInst, const char * mnem,
55 const char * instMnem, uint64_t setFlags,
56 DebugFunc _func, std::string _message, uint8_t _cc) :
57 X86MicroopBase(machInst, mnem, instMnem, setFlags, No_OpClass),
58 func(_func), message(_message), cc(_cc)
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 << "\"" << message << "\"";
68
69 return response.str();
70 }
71 };
72}};
73
74def template MicroDebugDeclare {{
75 class %(class_name)s : public %(base_class)s
76 {
77 public:
78 %(class_name)s(ExtMachInst _machInst, const char * instMnem,
79 uint64_t setFlags, std::string _message, uint8_t _cc);
80
81 %(BasicExecDeclare)s
82 };
83}};
84
85def template MicroDebugExecute {{
86 Fault
87 %(class_name)s::execute(%(CPU_exec_context)s *xc,
88 Trace::InstRecord *traceData) const
89 {
90 %(op_decl)s
91 %(op_rd)s
92 if (%(cond_test)s) {
93 return new GenericISA::M5DebugFault(func, message);
94 } else {
95 return NoFault;
96 }
97 }
98}};
99
100def template MicroDebugConstructor {{
101 inline %(class_name)s::%(class_name)s(
102 ExtMachInst machInst, const char * instMnem, uint64_t setFlags,
103 std::string _message, uint8_t _cc) :
104 %(base_class)s(machInst, "%(func)s", instMnem,
105 setFlags, %(func_num)s, _message, _cc)
106 {
107 %(constructor)s;
108 }
109}};
110
111let {{
112 class MicroDebug(X86Microop):
113 def __init__(self, message, flags=None):
114 self.message = message
115 if flags:
116 if not isinstance(flags, (list, tuple)):
117 raise Exception, "flags must be a list or tuple of flags"
118 self.cond = " | ".join(flags)

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128 "message" : self.message,
129 "cc" : self.cond}
130 return allocator
131
132 exec_output = ""
133 header_output = ""
134 decoder_output = ""
135
136 def buildDebugMicro(func, func_num):
137 global exec_output, header_output, decoder_output
138
139 iop = InstObjParams(func, "Micro%sFlags" % func.capitalize(),
140 "MicroDebugBase",
141 {"code": "",
142 "func": func,
143 "func_num": "GenericISA::M5DebugFault::%s" % func_num,
144 "cond_test": "checkCondition(ccFlagBits, cc)"})
145 exec_output += MicroDebugExecute.subst(iop)
146 header_output += MicroDebugDeclare.subst(iop)
147 decoder_output += MicroDebugConstructor.subst(iop)
148
149 iop = InstObjParams(func, "Micro%s" % func.capitalize(),
150 "MicroDebugBase",
151 {"code": "",
152 "func": func,
153 "func_num": "GenericISA::M5DebugFault::%s" % func_num,
154 "cond_test": "true"})
155 exec_output += MicroDebugExecute.subst(iop)
156 header_output += MicroDebugDeclare.subst(iop)
157 decoder_output += MicroDebugConstructor.subst(iop)
158
159 class MicroDebugChild(MicroDebug):
160 className = "Micro%s" % func.capitalize()
161
162 global microopClasses
163 microopClasses[func] = MicroDebugChild
164
165 buildDebugMicro("panic", "PanicFunc")
166 buildDebugMicro("fatal", "FatalFunc")
167 buildDebugMicro("warn", "WarnFunc")
168 buildDebugMicro("warn_once", "WarnOnceFunc")
169}};