2 * Copyright 2011 Christoph Bumiller
4 * Permission is hereby granted, free of charge, to any person obtaining a
5 * copy of this software and associated documentation files (the "Software"),
6 * to deal in the Software without restriction, including without limitation
7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
8 * and/or sell copies of the Software, and to permit persons to whom the
9 * Software is furnished to do so, subject to the following conditions:
11 * The above copyright notice and this permission notice shall be included in
12 * all copies or substantial portions of the Software.
14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
17 * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
20 * OTHER DEALINGS IN THE SOFTWARE.
23 #ifndef __NV50_IR_TARGET_H__
24 #define __NV50_IR_TARGET_H__
26 #include "codegen/nv50_ir.h"
47 inline void apply(uint32_t *binary
, const RelocInfo
*info
) const;
64 CodeEmitter(const Target
*);
65 virtual ~CodeEmitter() { }
67 // returns whether the instruction was encodable and written
68 virtual bool emitInstruction(Instruction
*) = 0;
70 virtual uint32_t getMinEncodingSize(const Instruction
*) const = 0;
72 void setCodeLocation(void *, uint32_t size
);
73 inline void *getCodeLocation() const { return code
; }
74 inline uint32_t getCodeSize() const { return codeSize
; }
76 bool addReloc(RelocEntry::Type
, int w
, uint32_t data
, uint32_t m
,
79 inline void *getRelocInfo() const { return relocInfo
; }
81 virtual void prepareEmission(Program
*);
82 virtual void prepareEmission(Function
*);
83 virtual void prepareEmission(BasicBlock
*);
85 void printBinary() const;
92 uint32_t codeSizeLimit
;
110 OPCLASS_TEXTURE
= 10,
111 OPCLASS_SURFACE
= 11,
115 OPCLASS_BITFIELD
= 16,
116 OPCLASS_CONTROL
= 17,
123 Target(bool m
, bool j
, bool s
) : hasJoin(m
), joinAnterior(j
), hasSWSched(s
) { }
124 virtual ~Target() { }
126 static Target
*create(uint32_t chipset
);
127 static void destroy(Target
*);
129 // 0x50 and 0x84 to 0xaf for nv50
130 // 0xc0 to 0xdf for nvc0
131 inline uint32_t getChipset() const { return chipset
; }
133 virtual CodeEmitter
*getCodeEmitter(Program::Type
) = 0;
135 // Drivers should upload this so we can use it from all programs.
136 // The address chosen is supplied to the relocation routine.
137 virtual void getBuiltinCode(const uint32_t **code
, uint32_t *size
) const = 0;
139 virtual void parseDriverInfo(const struct nv50_ir_prog_info
*info
) { }
141 virtual bool runLegalizePass(Program
*, CGStage stage
) const = 0;
154 uint16_t srcFiles
[3];
156 unsigned int minEncSize
: 4;
157 unsigned int vector
: 1;
158 unsigned int predicate
: 1;
159 unsigned int commutative
: 1;
160 unsigned int pseudo
: 1;
161 unsigned int flow
: 1;
162 unsigned int hasDest
: 1;
163 unsigned int terminator
: 1;
166 inline const OpInfo
& getOpInfo(const Instruction
*) const;
167 inline const OpInfo
& getOpInfo(const operation
) const;
169 inline DataFile
nativeFile(DataFile f
) const;
171 virtual bool insnCanLoad(const Instruction
*insn
, int s
,
172 const Instruction
*ld
) const = 0;
173 virtual bool isOpSupported(operation
, DataType
) const = 0;
174 virtual bool isAccessSupported(DataFile
, DataType
) const = 0;
175 virtual bool isModSupported(const Instruction
*,
176 int s
, Modifier
) const = 0;
177 virtual bool isSatSupported(const Instruction
*) const = 0;
178 virtual bool isPostMultiplySupported(operation op
, float f
,
179 int& e
) const { return false; }
180 virtual bool mayPredicate(const Instruction
*,
181 const Value
*) const = 0;
183 // whether @insn can be issued together with @next (order matters)
184 virtual bool canDualIssue(const Instruction
*insn
,
185 const Instruction
*next
) const { return false; }
186 virtual int getLatency(const Instruction
*) const { return 1; }
187 virtual int getThroughput(const Instruction
*) const { return 1; }
189 virtual unsigned int getFileSize(DataFile
) const = 0;
190 virtual unsigned int getFileUnit(DataFile
) const = 0;
192 virtual uint32_t getSVAddress(DataFile
, const Symbol
*) const = 0;
195 const bool hasJoin
; // true if instructions have a join modifier
196 const bool joinAnterior
; // true if join is executed before the op
197 const bool hasSWSched
; // true if code should provide scheduling data
199 static const uint8_t operationSrcNr
[];
200 static const OpClass operationClass
[];
202 static inline uint8_t getOpSrcNr(operation op
)
204 return operationSrcNr
[op
];
206 static inline OpClass
getOpClass(operation op
)
208 return operationClass
[op
];
214 DataFile nativeFileMap
[DATA_FILE_COUNT
];
216 OpInfo opInfo
[OP_LAST
+ 1];
219 const Target::OpInfo
& Target::getOpInfo(const Instruction
*insn
) const
221 return opInfo
[MIN2(insn
->op
, OP_LAST
)];
224 const Target::OpInfo
& Target::getOpInfo(const operation op
) const
229 inline DataFile
Target::nativeFile(DataFile f
) const
231 return nativeFileMap
[f
];
234 } // namespace nv50_ir
236 #endif // __NV50_IR_TARGET_H__