1 //===-- AMDGPUPALMetadata.cpp - Accumulate and print AMDGPU PAL metadata -===//
2 //
3 // Part of the LLVM Project, under the Apache License v2.0 with LLVM Exceptions.
4 // See https://llvm.org/LICENSE.txt for license information.
5 // SPDX-License-Identifier: Apache-2.0 WITH LLVM-exception
6 //
7 //===----------------------------------------------------------------------===//
8 //
9 /// \file
10 ///
11 /// This class has methods called by AMDGPUAsmPrinter to accumulate and print
12 /// the PAL metadata.
13 //
14 //===----------------------------------------------------------------------===//
15 //
16
17 #include "AMDGPUPALMetadata.h"
18 #include "AMDGPUPTNote.h"
19 #include "SIDefines.h"
20 #include "llvm/BinaryFormat/ELF.h"
21 #include "llvm/CodeGen/MachineFunction.h"
22 #include "llvm/IR/Constants.h"
23 #include "llvm/IR/Module.h"
24 #include "llvm/Support/AMDGPUMetadata.h"
25 #include "llvm/Support/EndianStream.h"
26
27 using namespace llvm;
28 using namespace llvm::AMDGPU;
29
30 // Read the PAL metadata from IR metadata, where it was put by the frontend.
readFromIR(Module & M)31 void AMDGPUPALMetadata::readFromIR(Module &M) {
32 auto NamedMD = M.getNamedMetadata("amdgpu.pal.metadata.msgpack");
33 if (NamedMD && NamedMD->getNumOperands()) {
34 // This is the new msgpack format for metadata. It is a NamedMD containing
35 // an MDTuple containing an MDString containing the msgpack data.
36 BlobType = ELF::NT_AMDGPU_METADATA;
37 auto MDN = dyn_cast<MDTuple>(NamedMD->getOperand(0));
38 if (MDN && MDN->getNumOperands()) {
39 if (auto MDS = dyn_cast<MDString>(MDN->getOperand(0)))
40 setFromMsgPackBlob(MDS->getString());
41 }
42 return;
43 }
44 BlobType = ELF::NT_AMD_PAL_METADATA;
45 NamedMD = M.getNamedMetadata("amdgpu.pal.metadata");
46 if (!NamedMD || !NamedMD->getNumOperands()) {
47 // Emit msgpack metadata by default
48 BlobType = ELF::NT_AMDGPU_METADATA;
49 return;
50 }
51 // This is the old reg=value pair format for metadata. It is a NamedMD
52 // containing an MDTuple containing a number of MDNodes each of which is an
53 // integer value, and each two integer values forms a key=value pair that we
54 // store as Registers[key]=value in the map.
55 auto Tuple = dyn_cast<MDTuple>(NamedMD->getOperand(0));
56 if (!Tuple)
57 return;
58 for (unsigned I = 0, E = Tuple->getNumOperands() & -2; I != E; I += 2) {
59 auto Key = mdconst::dyn_extract<ConstantInt>(Tuple->getOperand(I));
60 auto Val = mdconst::dyn_extract<ConstantInt>(Tuple->getOperand(I + 1));
61 if (!Key || !Val)
62 continue;
63 setRegister(Key->getZExtValue(), Val->getZExtValue());
64 }
65 }
66
67 // Set PAL metadata from a binary blob from the applicable .note record.
68 // Returns false if bad format. Blob must remain valid for the lifetime of the
69 // Metadata.
setFromBlob(unsigned Type,StringRef Blob)70 bool AMDGPUPALMetadata::setFromBlob(unsigned Type, StringRef Blob) {
71 BlobType = Type;
72 if (Type == ELF::NT_AMD_PAL_METADATA)
73 return setFromLegacyBlob(Blob);
74 return setFromMsgPackBlob(Blob);
75 }
76
77 // Set PAL metadata from legacy (array of key=value pairs) blob.
setFromLegacyBlob(StringRef Blob)78 bool AMDGPUPALMetadata::setFromLegacyBlob(StringRef Blob) {
79 auto Data = reinterpret_cast<const uint32_t *>(Blob.data());
80 for (unsigned I = 0; I != Blob.size() / sizeof(uint32_t) / 2; ++I)
81 setRegister(Data[I * 2], Data[I * 2 + 1]);
82 return true;
83 }
84
85 // Set PAL metadata from msgpack blob.
setFromMsgPackBlob(StringRef Blob)86 bool AMDGPUPALMetadata::setFromMsgPackBlob(StringRef Blob) {
87 msgpack::Reader Reader(Blob);
88 return MsgPackDoc.readFromBlob(Blob, /*Multi=*/false);
89 }
90
91 // Given the calling convention, calculate the register number for rsrc1. In
92 // principle the register number could change in future hardware, but we know
93 // it is the same for gfx6-9 (except that LS and ES don't exist on gfx9), so
94 // we can use fixed values.
getRsrc1Reg(CallingConv::ID CC)95 static unsigned getRsrc1Reg(CallingConv::ID CC) {
96 switch (CC) {
97 default:
98 return PALMD::R_2E12_COMPUTE_PGM_RSRC1;
99 case CallingConv::AMDGPU_LS:
100 return PALMD::R_2D4A_SPI_SHADER_PGM_RSRC1_LS;
101 case CallingConv::AMDGPU_HS:
102 return PALMD::R_2D0A_SPI_SHADER_PGM_RSRC1_HS;
103 case CallingConv::AMDGPU_ES:
104 return PALMD::R_2CCA_SPI_SHADER_PGM_RSRC1_ES;
105 case CallingConv::AMDGPU_GS:
106 return PALMD::R_2C8A_SPI_SHADER_PGM_RSRC1_GS;
107 case CallingConv::AMDGPU_VS:
108 return PALMD::R_2C4A_SPI_SHADER_PGM_RSRC1_VS;
109 case CallingConv::AMDGPU_PS:
110 return PALMD::R_2C0A_SPI_SHADER_PGM_RSRC1_PS;
111 }
112 }
113
114 // Calculate the PAL metadata key for *S_SCRATCH_SIZE. It can be used
115 // with a constant offset to access any non-register shader-specific PAL
116 // metadata key.
getScratchSizeKey(CallingConv::ID CC)117 static unsigned getScratchSizeKey(CallingConv::ID CC) {
118 switch (CC) {
119 case CallingConv::AMDGPU_PS:
120 return PALMD::Key::PS_SCRATCH_SIZE;
121 case CallingConv::AMDGPU_VS:
122 return PALMD::Key::VS_SCRATCH_SIZE;
123 case CallingConv::AMDGPU_GS:
124 return PALMD::Key::GS_SCRATCH_SIZE;
125 case CallingConv::AMDGPU_ES:
126 return PALMD::Key::ES_SCRATCH_SIZE;
127 case CallingConv::AMDGPU_HS:
128 return PALMD::Key::HS_SCRATCH_SIZE;
129 case CallingConv::AMDGPU_LS:
130 return PALMD::Key::LS_SCRATCH_SIZE;
131 default:
132 return PALMD::Key::CS_SCRATCH_SIZE;
133 }
134 }
135
136 // Set the rsrc1 register in the metadata for a particular shader stage.
137 // In fact this ORs the value into any previous setting of the register.
setRsrc1(CallingConv::ID CC,unsigned Val)138 void AMDGPUPALMetadata::setRsrc1(CallingConv::ID CC, unsigned Val) {
139 setRegister(getRsrc1Reg(CC), Val);
140 }
141
142 // Set the rsrc2 register in the metadata for a particular shader stage.
143 // In fact this ORs the value into any previous setting of the register.
setRsrc2(CallingConv::ID CC,unsigned Val)144 void AMDGPUPALMetadata::setRsrc2(CallingConv::ID CC, unsigned Val) {
145 setRegister(getRsrc1Reg(CC) + 1, Val);
146 }
147
148 // Set the SPI_PS_INPUT_ENA register in the metadata.
149 // In fact this ORs the value into any previous setting of the register.
setSpiPsInputEna(unsigned Val)150 void AMDGPUPALMetadata::setSpiPsInputEna(unsigned Val) {
151 setRegister(PALMD::R_A1B3_SPI_PS_INPUT_ENA, Val);
152 }
153
154 // Set the SPI_PS_INPUT_ADDR register in the metadata.
155 // In fact this ORs the value into any previous setting of the register.
setSpiPsInputAddr(unsigned Val)156 void AMDGPUPALMetadata::setSpiPsInputAddr(unsigned Val) {
157 setRegister(PALMD::R_A1B4_SPI_PS_INPUT_ADDR, Val);
158 }
159
160 // Get a register from the metadata, or 0 if not currently set.
getRegister(unsigned Reg)161 unsigned AMDGPUPALMetadata::getRegister(unsigned Reg) {
162 auto Regs = getRegisters();
163 auto It = Regs.find(MsgPackDoc.getNode(Reg));
164 if (It == Regs.end())
165 return 0;
166 auto N = It->second;
167 if (N.getKind() != msgpack::Type::UInt)
168 return 0;
169 return N.getUInt();
170 }
171
172 // Set a register in the metadata.
173 // In fact this ORs the value into any previous setting of the register.
setRegister(unsigned Reg,unsigned Val)174 void AMDGPUPALMetadata::setRegister(unsigned Reg, unsigned Val) {
175 if (!isLegacy()) {
176 // In the new MsgPack format, ignore register numbered >= 0x10000000. It
177 // is a PAL ABI pseudo-register in the old non-MsgPack format.
178 if (Reg >= 0x10000000)
179 return;
180 }
181 auto &N = getRegisters()[MsgPackDoc.getNode(Reg)];
182 if (N.getKind() == msgpack::Type::UInt)
183 Val |= N.getUInt();
184 N = N.getDocument()->getNode(Val);
185 }
186
187 // Set the entry point name for one shader.
setEntryPoint(unsigned CC,StringRef Name)188 void AMDGPUPALMetadata::setEntryPoint(unsigned CC, StringRef Name) {
189 if (isLegacy())
190 return;
191 // Msgpack format.
192 getHwStage(CC)[".entry_point"] = MsgPackDoc.getNode(Name, /*Copy=*/true);
193 }
194
195 // Set the number of used vgprs in the metadata. This is an optional
196 // advisory record for logging etc; wave dispatch actually uses the rsrc1
197 // register for the shader stage to determine the number of vgprs to
198 // allocate.
setNumUsedVgprs(CallingConv::ID CC,unsigned Val)199 void AMDGPUPALMetadata::setNumUsedVgprs(CallingConv::ID CC, unsigned Val) {
200 if (isLegacy()) {
201 // Old non-msgpack format.
202 unsigned NumUsedVgprsKey = getScratchSizeKey(CC) +
203 PALMD::Key::VS_NUM_USED_VGPRS -
204 PALMD::Key::VS_SCRATCH_SIZE;
205 setRegister(NumUsedVgprsKey, Val);
206 return;
207 }
208 // Msgpack format.
209 getHwStage(CC)[".vgpr_count"] = MsgPackDoc.getNode(Val);
210 }
211
212 // Set the number of used sgprs in the metadata. This is an optional advisory
213 // record for logging etc; wave dispatch actually uses the rsrc1 register for
214 // the shader stage to determine the number of sgprs to allocate.
setNumUsedSgprs(CallingConv::ID CC,unsigned Val)215 void AMDGPUPALMetadata::setNumUsedSgprs(CallingConv::ID CC, unsigned Val) {
216 if (isLegacy()) {
217 // Old non-msgpack format.
218 unsigned NumUsedSgprsKey = getScratchSizeKey(CC) +
219 PALMD::Key::VS_NUM_USED_SGPRS -
220 PALMD::Key::VS_SCRATCH_SIZE;
221 setRegister(NumUsedSgprsKey, Val);
222 return;
223 }
224 // Msgpack format.
225 getHwStage(CC)[".sgpr_count"] = MsgPackDoc.getNode(Val);
226 }
227
228 // Set the scratch size in the metadata.
setScratchSize(CallingConv::ID CC,unsigned Val)229 void AMDGPUPALMetadata::setScratchSize(CallingConv::ID CC, unsigned Val) {
230 if (isLegacy()) {
231 // Old non-msgpack format.
232 setRegister(getScratchSizeKey(CC), Val);
233 return;
234 }
235 // Msgpack format.
236 getHwStage(CC)[".scratch_memory_size"] = MsgPackDoc.getNode(Val);
237 }
238
239 // Set the stack frame size of a function in the metadata.
setFunctionScratchSize(const MachineFunction & MF,unsigned Val)240 void AMDGPUPALMetadata::setFunctionScratchSize(const MachineFunction &MF,
241 unsigned Val) {
242 auto Node = getShaderFunction(MF.getFunction().getName());
243 Node[".stack_frame_size_in_bytes"] = MsgPackDoc.getNode(Val);
244 }
245
246 // Set the amount of LDS used in bytes in the metadata.
setFunctionLdsSize(const MachineFunction & MF,unsigned Val)247 void AMDGPUPALMetadata::setFunctionLdsSize(const MachineFunction &MF,
248 unsigned Val) {
249 auto Node = getShaderFunction(MF.getFunction().getName());
250 Node[".lds_size"] = MsgPackDoc.getNode(Val);
251 }
252
253 // Set the number of used vgprs in the metadata.
setFunctionNumUsedVgprs(const MachineFunction & MF,unsigned Val)254 void AMDGPUPALMetadata::setFunctionNumUsedVgprs(const MachineFunction &MF,
255 unsigned Val) {
256 auto Node = getShaderFunction(MF.getFunction().getName());
257 Node[".vgpr_count"] = MsgPackDoc.getNode(Val);
258 }
259
260 // Set the number of used vgprs in the metadata.
setFunctionNumUsedSgprs(const MachineFunction & MF,unsigned Val)261 void AMDGPUPALMetadata::setFunctionNumUsedSgprs(const MachineFunction &MF,
262 unsigned Val) {
263 auto Node = getShaderFunction(MF.getFunction().getName());
264 Node[".sgpr_count"] = MsgPackDoc.getNode(Val);
265 }
266
267 // Set the hardware register bit in PAL metadata to enable wave32 on the
268 // shader of the given calling convention.
setWave32(unsigned CC)269 void AMDGPUPALMetadata::setWave32(unsigned CC) {
270 switch (CC) {
271 case CallingConv::AMDGPU_HS:
272 setRegister(PALMD::R_A2D5_VGT_SHADER_STAGES_EN, S_028B54_HS_W32_EN(1));
273 break;
274 case CallingConv::AMDGPU_GS:
275 setRegister(PALMD::R_A2D5_VGT_SHADER_STAGES_EN, S_028B54_GS_W32_EN(1));
276 break;
277 case CallingConv::AMDGPU_VS:
278 setRegister(PALMD::R_A2D5_VGT_SHADER_STAGES_EN, S_028B54_VS_W32_EN(1));
279 break;
280 case CallingConv::AMDGPU_PS:
281 setRegister(PALMD::R_A1B6_SPI_PS_IN_CONTROL, S_0286D8_PS_W32_EN(1));
282 break;
283 case CallingConv::AMDGPU_CS:
284 setRegister(PALMD::R_2E00_COMPUTE_DISPATCH_INITIATOR,
285 S_00B800_CS_W32_EN(1));
286 break;
287 }
288 }
289
290 // Convert a register number to name, for display by toString().
291 // Returns nullptr if none.
getRegisterName(unsigned RegNum)292 static const char *getRegisterName(unsigned RegNum) {
293 // Table of registers.
294 static const struct RegInfo {
295 unsigned Num;
296 const char *Name;
297 } RegInfoTable[] = {
298 // Registers that code generation sets/modifies metadata for.
299 {PALMD::R_2C4A_SPI_SHADER_PGM_RSRC1_VS, "SPI_SHADER_PGM_RSRC1_VS"},
300 {PALMD::R_2C4A_SPI_SHADER_PGM_RSRC1_VS + 1, "SPI_SHADER_PGM_RSRC2_VS"},
301 {PALMD::R_2D4A_SPI_SHADER_PGM_RSRC1_LS, "SPI_SHADER_PGM_RSRC1_LS"},
302 {PALMD::R_2D4A_SPI_SHADER_PGM_RSRC1_LS + 1, "SPI_SHADER_PGM_RSRC2_LS"},
303 {PALMD::R_2D0A_SPI_SHADER_PGM_RSRC1_HS, "SPI_SHADER_PGM_RSRC1_HS"},
304 {PALMD::R_2D0A_SPI_SHADER_PGM_RSRC1_HS + 1, "SPI_SHADER_PGM_RSRC2_HS"},
305 {PALMD::R_2CCA_SPI_SHADER_PGM_RSRC1_ES, "SPI_SHADER_PGM_RSRC1_ES"},
306 {PALMD::R_2CCA_SPI_SHADER_PGM_RSRC1_ES + 1, "SPI_SHADER_PGM_RSRC2_ES"},
307 {PALMD::R_2C8A_SPI_SHADER_PGM_RSRC1_GS, "SPI_SHADER_PGM_RSRC1_GS"},
308 {PALMD::R_2C8A_SPI_SHADER_PGM_RSRC1_GS + 1, "SPI_SHADER_PGM_RSRC2_GS"},
309 {PALMD::R_2E00_COMPUTE_DISPATCH_INITIATOR, "COMPUTE_DISPATCH_INITIATOR"},
310 {PALMD::R_2E12_COMPUTE_PGM_RSRC1, "COMPUTE_PGM_RSRC1"},
311 {PALMD::R_2E12_COMPUTE_PGM_RSRC1 + 1, "COMPUTE_PGM_RSRC2"},
312 {PALMD::R_2C0A_SPI_SHADER_PGM_RSRC1_PS, "SPI_SHADER_PGM_RSRC1_PS"},
313 {PALMD::R_2C0A_SPI_SHADER_PGM_RSRC1_PS + 1, "SPI_SHADER_PGM_RSRC2_PS"},
314 {PALMD::R_A1B3_SPI_PS_INPUT_ENA, "SPI_PS_INPUT_ENA"},
315 {PALMD::R_A1B4_SPI_PS_INPUT_ADDR, "SPI_PS_INPUT_ADDR"},
316 {PALMD::R_A1B6_SPI_PS_IN_CONTROL, "SPI_PS_IN_CONTROL"},
317 {PALMD::R_A2D5_VGT_SHADER_STAGES_EN, "VGT_SHADER_STAGES_EN"},
318
319 // Registers not known to code generation.
320 {0x2c07, "SPI_SHADER_PGM_RSRC3_PS"},
321 {0x2c46, "SPI_SHADER_PGM_RSRC3_VS"},
322 {0x2c87, "SPI_SHADER_PGM_RSRC3_GS"},
323 {0x2cc7, "SPI_SHADER_PGM_RSRC3_ES"},
324 {0x2d07, "SPI_SHADER_PGM_RSRC3_HS"},
325 {0x2d47, "SPI_SHADER_PGM_RSRC3_LS"},
326
327 {0xa1c3, "SPI_SHADER_POS_FORMAT"},
328 {0xa1b1, "SPI_VS_OUT_CONFIG"},
329 {0xa207, "PA_CL_VS_OUT_CNTL"},
330 {0xa204, "PA_CL_CLIP_CNTL"},
331 {0xa206, "PA_CL_VTE_CNTL"},
332 {0xa2f9, "PA_SU_VTX_CNTL"},
333 {0xa293, "PA_SC_MODE_CNTL_1"},
334 {0xa2a1, "VGT_PRIMITIVEID_EN"},
335 {0x2c81, "SPI_SHADER_PGM_RSRC4_GS"},
336 {0x2e18, "COMPUTE_TMPRING_SIZE"},
337 {0xa1b5, "SPI_INTERP_CONTROL_0"},
338 {0xa1ba, "SPI_TMPRING_SIZE"},
339 {0xa1c4, "SPI_SHADER_Z_FORMAT"},
340 {0xa1c5, "SPI_SHADER_COL_FORMAT"},
341 {0xa203, "DB_SHADER_CONTROL"},
342 {0xa08f, "CB_SHADER_MASK"},
343 {0xa191, "SPI_PS_INPUT_CNTL_0"},
344 {0xa192, "SPI_PS_INPUT_CNTL_1"},
345 {0xa193, "SPI_PS_INPUT_CNTL_2"},
346 {0xa194, "SPI_PS_INPUT_CNTL_3"},
347 {0xa195, "SPI_PS_INPUT_CNTL_4"},
348 {0xa196, "SPI_PS_INPUT_CNTL_5"},
349 {0xa197, "SPI_PS_INPUT_CNTL_6"},
350 {0xa198, "SPI_PS_INPUT_CNTL_7"},
351 {0xa199, "SPI_PS_INPUT_CNTL_8"},
352 {0xa19a, "SPI_PS_INPUT_CNTL_9"},
353 {0xa19b, "SPI_PS_INPUT_CNTL_10"},
354 {0xa19c, "SPI_PS_INPUT_CNTL_11"},
355 {0xa19d, "SPI_PS_INPUT_CNTL_12"},
356 {0xa19e, "SPI_PS_INPUT_CNTL_13"},
357 {0xa19f, "SPI_PS_INPUT_CNTL_14"},
358 {0xa1a0, "SPI_PS_INPUT_CNTL_15"},
359 {0xa1a1, "SPI_PS_INPUT_CNTL_16"},
360 {0xa1a2, "SPI_PS_INPUT_CNTL_17"},
361 {0xa1a3, "SPI_PS_INPUT_CNTL_18"},
362 {0xa1a4, "SPI_PS_INPUT_CNTL_19"},
363 {0xa1a5, "SPI_PS_INPUT_CNTL_20"},
364 {0xa1a6, "SPI_PS_INPUT_CNTL_21"},
365 {0xa1a7, "SPI_PS_INPUT_CNTL_22"},
366 {0xa1a8, "SPI_PS_INPUT_CNTL_23"},
367 {0xa1a9, "SPI_PS_INPUT_CNTL_24"},
368 {0xa1aa, "SPI_PS_INPUT_CNTL_25"},
369 {0xa1ab, "SPI_PS_INPUT_CNTL_26"},
370 {0xa1ac, "SPI_PS_INPUT_CNTL_27"},
371 {0xa1ad, "SPI_PS_INPUT_CNTL_28"},
372 {0xa1ae, "SPI_PS_INPUT_CNTL_29"},
373 {0xa1af, "SPI_PS_INPUT_CNTL_30"},
374 {0xa1b0, "SPI_PS_INPUT_CNTL_31"},
375
376 {0xa2ce, "VGT_GS_MAX_VERT_OUT"},
377 {0xa2ab, "VGT_ESGS_RING_ITEMSIZE"},
378 {0xa290, "VGT_GS_MODE"},
379 {0xa291, "VGT_GS_ONCHIP_CNTL"},
380 {0xa2d7, "VGT_GS_VERT_ITEMSIZE"},
381 {0xa2d8, "VGT_GS_VERT_ITEMSIZE_1"},
382 {0xa2d9, "VGT_GS_VERT_ITEMSIZE_2"},
383 {0xa2da, "VGT_GS_VERT_ITEMSIZE_3"},
384 {0xa298, "VGT_GSVS_RING_OFFSET_1"},
385 {0xa299, "VGT_GSVS_RING_OFFSET_2"},
386 {0xa29a, "VGT_GSVS_RING_OFFSET_3"},
387
388 {0xa2e4, "VGT_GS_INSTANCE_CNT"},
389 {0xa297, "VGT_GS_PER_VS"},
390 {0xa29b, "VGT_GS_OUT_PRIM_TYPE"},
391 {0xa2ac, "VGT_GSVS_RING_ITEMSIZE"},
392
393 {0xa2ad, "VGT_REUSE_OFF"},
394 {0xa1b8, "SPI_BARYC_CNTL"},
395
396 {0x2c4c, "SPI_SHADER_USER_DATA_VS_0"},
397 {0x2c4d, "SPI_SHADER_USER_DATA_VS_1"},
398 {0x2c4e, "SPI_SHADER_USER_DATA_VS_2"},
399 {0x2c4f, "SPI_SHADER_USER_DATA_VS_3"},
400 {0x2c50, "SPI_SHADER_USER_DATA_VS_4"},
401 {0x2c51, "SPI_SHADER_USER_DATA_VS_5"},
402 {0x2c52, "SPI_SHADER_USER_DATA_VS_6"},
403 {0x2c53, "SPI_SHADER_USER_DATA_VS_7"},
404 {0x2c54, "SPI_SHADER_USER_DATA_VS_8"},
405 {0x2c55, "SPI_SHADER_USER_DATA_VS_9"},
406 {0x2c56, "SPI_SHADER_USER_DATA_VS_10"},
407 {0x2c57, "SPI_SHADER_USER_DATA_VS_11"},
408 {0x2c58, "SPI_SHADER_USER_DATA_VS_12"},
409 {0x2c59, "SPI_SHADER_USER_DATA_VS_13"},
410 {0x2c5a, "SPI_SHADER_USER_DATA_VS_14"},
411 {0x2c5b, "SPI_SHADER_USER_DATA_VS_15"},
412 {0x2c5c, "SPI_SHADER_USER_DATA_VS_16"},
413 {0x2c5d, "SPI_SHADER_USER_DATA_VS_17"},
414 {0x2c5e, "SPI_SHADER_USER_DATA_VS_18"},
415 {0x2c5f, "SPI_SHADER_USER_DATA_VS_19"},
416 {0x2c60, "SPI_SHADER_USER_DATA_VS_20"},
417 {0x2c61, "SPI_SHADER_USER_DATA_VS_21"},
418 {0x2c62, "SPI_SHADER_USER_DATA_VS_22"},
419 {0x2c63, "SPI_SHADER_USER_DATA_VS_23"},
420 {0x2c64, "SPI_SHADER_USER_DATA_VS_24"},
421 {0x2c65, "SPI_SHADER_USER_DATA_VS_25"},
422 {0x2c66, "SPI_SHADER_USER_DATA_VS_26"},
423 {0x2c67, "SPI_SHADER_USER_DATA_VS_27"},
424 {0x2c68, "SPI_SHADER_USER_DATA_VS_28"},
425 {0x2c69, "SPI_SHADER_USER_DATA_VS_29"},
426 {0x2c6a, "SPI_SHADER_USER_DATA_VS_30"},
427 {0x2c6b, "SPI_SHADER_USER_DATA_VS_31"},
428
429 {0x2c8c, "SPI_SHADER_USER_DATA_GS_0"},
430 {0x2c8d, "SPI_SHADER_USER_DATA_GS_1"},
431 {0x2c8e, "SPI_SHADER_USER_DATA_GS_2"},
432 {0x2c8f, "SPI_SHADER_USER_DATA_GS_3"},
433 {0x2c90, "SPI_SHADER_USER_DATA_GS_4"},
434 {0x2c91, "SPI_SHADER_USER_DATA_GS_5"},
435 {0x2c92, "SPI_SHADER_USER_DATA_GS_6"},
436 {0x2c93, "SPI_SHADER_USER_DATA_GS_7"},
437 {0x2c94, "SPI_SHADER_USER_DATA_GS_8"},
438 {0x2c95, "SPI_SHADER_USER_DATA_GS_9"},
439 {0x2c96, "SPI_SHADER_USER_DATA_GS_10"},
440 {0x2c97, "SPI_SHADER_USER_DATA_GS_11"},
441 {0x2c98, "SPI_SHADER_USER_DATA_GS_12"},
442 {0x2c99, "SPI_SHADER_USER_DATA_GS_13"},
443 {0x2c9a, "SPI_SHADER_USER_DATA_GS_14"},
444 {0x2c9b, "SPI_SHADER_USER_DATA_GS_15"},
445 {0x2c9c, "SPI_SHADER_USER_DATA_GS_16"},
446 {0x2c9d, "SPI_SHADER_USER_DATA_GS_17"},
447 {0x2c9e, "SPI_SHADER_USER_DATA_GS_18"},
448 {0x2c9f, "SPI_SHADER_USER_DATA_GS_19"},
449 {0x2ca0, "SPI_SHADER_USER_DATA_GS_20"},
450 {0x2ca1, "SPI_SHADER_USER_DATA_GS_21"},
451 {0x2ca2, "SPI_SHADER_USER_DATA_GS_22"},
452 {0x2ca3, "SPI_SHADER_USER_DATA_GS_23"},
453 {0x2ca4, "SPI_SHADER_USER_DATA_GS_24"},
454 {0x2ca5, "SPI_SHADER_USER_DATA_GS_25"},
455 {0x2ca6, "SPI_SHADER_USER_DATA_GS_26"},
456 {0x2ca7, "SPI_SHADER_USER_DATA_GS_27"},
457 {0x2ca8, "SPI_SHADER_USER_DATA_GS_28"},
458 {0x2ca9, "SPI_SHADER_USER_DATA_GS_29"},
459 {0x2caa, "SPI_SHADER_USER_DATA_GS_30"},
460 {0x2cab, "SPI_SHADER_USER_DATA_GS_31"},
461
462 {0x2ccc, "SPI_SHADER_USER_DATA_ES_0"},
463 {0x2ccd, "SPI_SHADER_USER_DATA_ES_1"},
464 {0x2cce, "SPI_SHADER_USER_DATA_ES_2"},
465 {0x2ccf, "SPI_SHADER_USER_DATA_ES_3"},
466 {0x2cd0, "SPI_SHADER_USER_DATA_ES_4"},
467 {0x2cd1, "SPI_SHADER_USER_DATA_ES_5"},
468 {0x2cd2, "SPI_SHADER_USER_DATA_ES_6"},
469 {0x2cd3, "SPI_SHADER_USER_DATA_ES_7"},
470 {0x2cd4, "SPI_SHADER_USER_DATA_ES_8"},
471 {0x2cd5, "SPI_SHADER_USER_DATA_ES_9"},
472 {0x2cd6, "SPI_SHADER_USER_DATA_ES_10"},
473 {0x2cd7, "SPI_SHADER_USER_DATA_ES_11"},
474 {0x2cd8, "SPI_SHADER_USER_DATA_ES_12"},
475 {0x2cd9, "SPI_SHADER_USER_DATA_ES_13"},
476 {0x2cda, "SPI_SHADER_USER_DATA_ES_14"},
477 {0x2cdb, "SPI_SHADER_USER_DATA_ES_15"},
478 {0x2cdc, "SPI_SHADER_USER_DATA_ES_16"},
479 {0x2cdd, "SPI_SHADER_USER_DATA_ES_17"},
480 {0x2cde, "SPI_SHADER_USER_DATA_ES_18"},
481 {0x2cdf, "SPI_SHADER_USER_DATA_ES_19"},
482 {0x2ce0, "SPI_SHADER_USER_DATA_ES_20"},
483 {0x2ce1, "SPI_SHADER_USER_DATA_ES_21"},
484 {0x2ce2, "SPI_SHADER_USER_DATA_ES_22"},
485 {0x2ce3, "SPI_SHADER_USER_DATA_ES_23"},
486 {0x2ce4, "SPI_SHADER_USER_DATA_ES_24"},
487 {0x2ce5, "SPI_SHADER_USER_DATA_ES_25"},
488 {0x2ce6, "SPI_SHADER_USER_DATA_ES_26"},
489 {0x2ce7, "SPI_SHADER_USER_DATA_ES_27"},
490 {0x2ce8, "SPI_SHADER_USER_DATA_ES_28"},
491 {0x2ce9, "SPI_SHADER_USER_DATA_ES_29"},
492 {0x2cea, "SPI_SHADER_USER_DATA_ES_30"},
493 {0x2ceb, "SPI_SHADER_USER_DATA_ES_31"},
494
495 {0x2c0c, "SPI_SHADER_USER_DATA_PS_0"},
496 {0x2c0d, "SPI_SHADER_USER_DATA_PS_1"},
497 {0x2c0e, "SPI_SHADER_USER_DATA_PS_2"},
498 {0x2c0f, "SPI_SHADER_USER_DATA_PS_3"},
499 {0x2c10, "SPI_SHADER_USER_DATA_PS_4"},
500 {0x2c11, "SPI_SHADER_USER_DATA_PS_5"},
501 {0x2c12, "SPI_SHADER_USER_DATA_PS_6"},
502 {0x2c13, "SPI_SHADER_USER_DATA_PS_7"},
503 {0x2c14, "SPI_SHADER_USER_DATA_PS_8"},
504 {0x2c15, "SPI_SHADER_USER_DATA_PS_9"},
505 {0x2c16, "SPI_SHADER_USER_DATA_PS_10"},
506 {0x2c17, "SPI_SHADER_USER_DATA_PS_11"},
507 {0x2c18, "SPI_SHADER_USER_DATA_PS_12"},
508 {0x2c19, "SPI_SHADER_USER_DATA_PS_13"},
509 {0x2c1a, "SPI_SHADER_USER_DATA_PS_14"},
510 {0x2c1b, "SPI_SHADER_USER_DATA_PS_15"},
511 {0x2c1c, "SPI_SHADER_USER_DATA_PS_16"},
512 {0x2c1d, "SPI_SHADER_USER_DATA_PS_17"},
513 {0x2c1e, "SPI_SHADER_USER_DATA_PS_18"},
514 {0x2c1f, "SPI_SHADER_USER_DATA_PS_19"},
515 {0x2c20, "SPI_SHADER_USER_DATA_PS_20"},
516 {0x2c21, "SPI_SHADER_USER_DATA_PS_21"},
517 {0x2c22, "SPI_SHADER_USER_DATA_PS_22"},
518 {0x2c23, "SPI_SHADER_USER_DATA_PS_23"},
519 {0x2c24, "SPI_SHADER_USER_DATA_PS_24"},
520 {0x2c25, "SPI_SHADER_USER_DATA_PS_25"},
521 {0x2c26, "SPI_SHADER_USER_DATA_PS_26"},
522 {0x2c27, "SPI_SHADER_USER_DATA_PS_27"},
523 {0x2c28, "SPI_SHADER_USER_DATA_PS_28"},
524 {0x2c29, "SPI_SHADER_USER_DATA_PS_29"},
525 {0x2c2a, "SPI_SHADER_USER_DATA_PS_30"},
526 {0x2c2b, "SPI_SHADER_USER_DATA_PS_31"},
527
528 {0x2e40, "COMPUTE_USER_DATA_0"},
529 {0x2e41, "COMPUTE_USER_DATA_1"},
530 {0x2e42, "COMPUTE_USER_DATA_2"},
531 {0x2e43, "COMPUTE_USER_DATA_3"},
532 {0x2e44, "COMPUTE_USER_DATA_4"},
533 {0x2e45, "COMPUTE_USER_DATA_5"},
534 {0x2e46, "COMPUTE_USER_DATA_6"},
535 {0x2e47, "COMPUTE_USER_DATA_7"},
536 {0x2e48, "COMPUTE_USER_DATA_8"},
537 {0x2e49, "COMPUTE_USER_DATA_9"},
538 {0x2e4a, "COMPUTE_USER_DATA_10"},
539 {0x2e4b, "COMPUTE_USER_DATA_11"},
540 {0x2e4c, "COMPUTE_USER_DATA_12"},
541 {0x2e4d, "COMPUTE_USER_DATA_13"},
542 {0x2e4e, "COMPUTE_USER_DATA_14"},
543 {0x2e4f, "COMPUTE_USER_DATA_15"},
544
545 {0x2e07, "COMPUTE_NUM_THREAD_X"},
546 {0x2e08, "COMPUTE_NUM_THREAD_Y"},
547 {0x2e09, "COMPUTE_NUM_THREAD_Z"},
548 {0xa2db, "VGT_TF_PARAM"},
549 {0xa2d6, "VGT_LS_HS_CONFIG"},
550 {0xa287, "VGT_HOS_MIN_TESS_LEVEL"},
551 {0xa286, "VGT_HOS_MAX_TESS_LEVEL"},
552 {0xa2f8, "PA_SC_AA_CONFIG"},
553 {0xa310, "PA_SC_SHADER_CONTROL"},
554 {0xa313, "PA_SC_CONSERVATIVE_RASTERIZATION_CNTL"},
555
556 {0x2d0c, "SPI_SHADER_USER_DATA_HS_0"},
557 {0x2d0d, "SPI_SHADER_USER_DATA_HS_1"},
558 {0x2d0e, "SPI_SHADER_USER_DATA_HS_2"},
559 {0x2d0f, "SPI_SHADER_USER_DATA_HS_3"},
560 {0x2d10, "SPI_SHADER_USER_DATA_HS_4"},
561 {0x2d11, "SPI_SHADER_USER_DATA_HS_5"},
562 {0x2d12, "SPI_SHADER_USER_DATA_HS_6"},
563 {0x2d13, "SPI_SHADER_USER_DATA_HS_7"},
564 {0x2d14, "SPI_SHADER_USER_DATA_HS_8"},
565 {0x2d15, "SPI_SHADER_USER_DATA_HS_9"},
566 {0x2d16, "SPI_SHADER_USER_DATA_HS_10"},
567 {0x2d17, "SPI_SHADER_USER_DATA_HS_11"},
568 {0x2d18, "SPI_SHADER_USER_DATA_HS_12"},
569 {0x2d19, "SPI_SHADER_USER_DATA_HS_13"},
570 {0x2d1a, "SPI_SHADER_USER_DATA_HS_14"},
571 {0x2d1b, "SPI_SHADER_USER_DATA_HS_15"},
572 {0x2d1c, "SPI_SHADER_USER_DATA_HS_16"},
573 {0x2d1d, "SPI_SHADER_USER_DATA_HS_17"},
574 {0x2d1e, "SPI_SHADER_USER_DATA_HS_18"},
575 {0x2d1f, "SPI_SHADER_USER_DATA_HS_19"},
576 {0x2d20, "SPI_SHADER_USER_DATA_HS_20"},
577 {0x2d21, "SPI_SHADER_USER_DATA_HS_21"},
578 {0x2d22, "SPI_SHADER_USER_DATA_HS_22"},
579 {0x2d23, "SPI_SHADER_USER_DATA_HS_23"},
580 {0x2d24, "SPI_SHADER_USER_DATA_HS_24"},
581 {0x2d25, "SPI_SHADER_USER_DATA_HS_25"},
582 {0x2d26, "SPI_SHADER_USER_DATA_HS_26"},
583 {0x2d27, "SPI_SHADER_USER_DATA_HS_27"},
584 {0x2d28, "SPI_SHADER_USER_DATA_HS_28"},
585 {0x2d29, "SPI_SHADER_USER_DATA_HS_29"},
586 {0x2d2a, "SPI_SHADER_USER_DATA_HS_30"},
587 {0x2d2b, "SPI_SHADER_USER_DATA_HS_31"},
588
589 {0x2d4c, "SPI_SHADER_USER_DATA_LS_0"},
590 {0x2d4d, "SPI_SHADER_USER_DATA_LS_1"},
591 {0x2d4e, "SPI_SHADER_USER_DATA_LS_2"},
592 {0x2d4f, "SPI_SHADER_USER_DATA_LS_3"},
593 {0x2d50, "SPI_SHADER_USER_DATA_LS_4"},
594 {0x2d51, "SPI_SHADER_USER_DATA_LS_5"},
595 {0x2d52, "SPI_SHADER_USER_DATA_LS_6"},
596 {0x2d53, "SPI_SHADER_USER_DATA_LS_7"},
597 {0x2d54, "SPI_SHADER_USER_DATA_LS_8"},
598 {0x2d55, "SPI_SHADER_USER_DATA_LS_9"},
599 {0x2d56, "SPI_SHADER_USER_DATA_LS_10"},
600 {0x2d57, "SPI_SHADER_USER_DATA_LS_11"},
601 {0x2d58, "SPI_SHADER_USER_DATA_LS_12"},
602 {0x2d59, "SPI_SHADER_USER_DATA_LS_13"},
603 {0x2d5a, "SPI_SHADER_USER_DATA_LS_14"},
604 {0x2d5b, "SPI_SHADER_USER_DATA_LS_15"},
605
606 {0xa2aa, "IA_MULTI_VGT_PARAM"},
607 {0xa2a5, "VGT_GS_MAX_PRIMS_PER_SUBGROUP"},
608 {0xa2e6, "VGT_STRMOUT_BUFFER_CONFIG"},
609 {0xa2e5, "VGT_STRMOUT_CONFIG"},
610 {0xa2b5, "VGT_STRMOUT_VTX_STRIDE_0"},
611 {0xa2b9, "VGT_STRMOUT_VTX_STRIDE_1"},
612 {0xa2bd, "VGT_STRMOUT_VTX_STRIDE_2"},
613 {0xa2c1, "VGT_STRMOUT_VTX_STRIDE_3"},
614 {0xa316, "VGT_VERTEX_REUSE_BLOCK_CNTL"},
615
616 {0x2e28, "COMPUTE_PGM_RSRC3"},
617 {0x2e2a, "COMPUTE_SHADER_CHKSUM"},
618 {0x2e24, "COMPUTE_USER_ACCUM_0"},
619 {0x2e25, "COMPUTE_USER_ACCUM_1"},
620 {0x2e26, "COMPUTE_USER_ACCUM_2"},
621 {0x2e27, "COMPUTE_USER_ACCUM_3"},
622 {0xa1ff, "GE_MAX_OUTPUT_PER_SUBGROUP"},
623 {0xa2d3, "GE_NGG_SUBGRP_CNTL"},
624 {0xc25f, "GE_STEREO_CNTL"},
625 {0xc262, "GE_USER_VGPR_EN"},
626 {0xc258, "IA_MULTI_VGT_PARAM_PIPED"},
627 {0xa210, "PA_STEREO_CNTL"},
628 {0xa1c2, "SPI_SHADER_IDX_FORMAT"},
629 {0x2c80, "SPI_SHADER_PGM_CHKSUM_GS"},
630 {0x2d00, "SPI_SHADER_PGM_CHKSUM_HS"},
631 {0x2c06, "SPI_SHADER_PGM_CHKSUM_PS"},
632 {0x2c45, "SPI_SHADER_PGM_CHKSUM_VS"},
633 {0x2c88, "SPI_SHADER_PGM_LO_GS"},
634 {0x2cb2, "SPI_SHADER_USER_ACCUM_ESGS_0"},
635 {0x2cb3, "SPI_SHADER_USER_ACCUM_ESGS_1"},
636 {0x2cb4, "SPI_SHADER_USER_ACCUM_ESGS_2"},
637 {0x2cb5, "SPI_SHADER_USER_ACCUM_ESGS_3"},
638 {0x2d32, "SPI_SHADER_USER_ACCUM_LSHS_0"},
639 {0x2d33, "SPI_SHADER_USER_ACCUM_LSHS_1"},
640 {0x2d34, "SPI_SHADER_USER_ACCUM_LSHS_2"},
641 {0x2d35, "SPI_SHADER_USER_ACCUM_LSHS_3"},
642 {0x2c32, "SPI_SHADER_USER_ACCUM_PS_0"},
643 {0x2c33, "SPI_SHADER_USER_ACCUM_PS_1"},
644 {0x2c34, "SPI_SHADER_USER_ACCUM_PS_2"},
645 {0x2c35, "SPI_SHADER_USER_ACCUM_PS_3"},
646 {0x2c72, "SPI_SHADER_USER_ACCUM_VS_0"},
647 {0x2c73, "SPI_SHADER_USER_ACCUM_VS_1"},
648 {0x2c74, "SPI_SHADER_USER_ACCUM_VS_2"},
649 {0x2c75, "SPI_SHADER_USER_ACCUM_VS_3"},
650
651 {0, nullptr}};
652 auto Entry = RegInfoTable;
653 for (; Entry->Num && Entry->Num != RegNum; ++Entry)
654 ;
655 return Entry->Name;
656 }
657
658 // Convert the accumulated PAL metadata into an asm directive.
toString(std::string & String)659 void AMDGPUPALMetadata::toString(std::string &String) {
660 String.clear();
661 if (!BlobType)
662 return;
663 raw_string_ostream Stream(String);
664 if (isLegacy()) {
665 if (MsgPackDoc.getRoot().getKind() == msgpack::Type::Nil)
666 return;
667 // Old linear reg=val format.
668 Stream << '\t' << AMDGPU::PALMD::AssemblerDirective << ' ';
669 auto Regs = getRegisters();
670 for (auto I = Regs.begin(), E = Regs.end(); I != E; ++I) {
671 if (I != Regs.begin())
672 Stream << ',';
673 unsigned Reg = I->first.getUInt();
674 unsigned Val = I->second.getUInt();
675 Stream << "0x" << Twine::utohexstr(Reg) << ",0x" << Twine::utohexstr(Val);
676 }
677 Stream << '\n';
678 return;
679 }
680
681 // New msgpack-based format -- output as YAML (with unsigned numbers in hex),
682 // but first change the registers map to use names.
683 MsgPackDoc.setHexMode();
684 auto &RegsObj = refRegisters();
685 auto OrigRegs = RegsObj.getMap();
686 RegsObj = MsgPackDoc.getMapNode();
687 for (auto I : OrigRegs) {
688 auto Key = I.first;
689 if (const char *RegName = getRegisterName(Key.getUInt())) {
690 std::string KeyName = Key.toString();
691 KeyName += " (";
692 KeyName += RegName;
693 KeyName += ')';
694 Key = MsgPackDoc.getNode(KeyName, /*Copy=*/true);
695 }
696 RegsObj.getMap()[Key] = I.second;
697 }
698
699 // Output as YAML.
700 Stream << '\t' << AMDGPU::PALMD::AssemblerDirectiveBegin << '\n';
701 MsgPackDoc.toYAML(Stream);
702 Stream << '\t' << AMDGPU::PALMD::AssemblerDirectiveEnd << '\n';
703
704 // Restore original registers map.
705 RegsObj = OrigRegs;
706 }
707
708 // Convert the accumulated PAL metadata into a binary blob for writing as
709 // a .note record of the specified AMD type. Returns an empty blob if
710 // there is no PAL metadata,
toBlob(unsigned Type,std::string & Blob)711 void AMDGPUPALMetadata::toBlob(unsigned Type, std::string &Blob) {
712 if (Type == ELF::NT_AMD_PAL_METADATA)
713 toLegacyBlob(Blob);
714 else if (Type)
715 toMsgPackBlob(Blob);
716 }
717
toLegacyBlob(std::string & Blob)718 void AMDGPUPALMetadata::toLegacyBlob(std::string &Blob) {
719 Blob.clear();
720 auto Registers = getRegisters();
721 if (Registers.getMap().empty())
722 return;
723 raw_string_ostream OS(Blob);
724 support::endian::Writer EW(OS, support::endianness::little);
725 for (auto I : Registers.getMap()) {
726 EW.write(uint32_t(I.first.getUInt()));
727 EW.write(uint32_t(I.second.getUInt()));
728 }
729 }
730
toMsgPackBlob(std::string & Blob)731 void AMDGPUPALMetadata::toMsgPackBlob(std::string &Blob) {
732 Blob.clear();
733 MsgPackDoc.writeToBlob(Blob);
734 }
735
736 // Set PAL metadata from YAML text. Returns false if failed.
setFromString(StringRef S)737 bool AMDGPUPALMetadata::setFromString(StringRef S) {
738 BlobType = ELF::NT_AMDGPU_METADATA;
739 if (!MsgPackDoc.fromYAML(S))
740 return false;
741
742 // In the registers map, some keys may be of the form "0xa191
743 // (SPI_PS_INPUT_CNTL_0)", in which case the YAML input code made it a
744 // string. We need to turn it into a number.
745 auto &RegsObj = refRegisters();
746 auto OrigRegs = RegsObj;
747 RegsObj = MsgPackDoc.getMapNode();
748 Registers = RegsObj.getMap();
749 bool Ok = true;
750 for (auto I : OrigRegs.getMap()) {
751 auto Key = I.first;
752 if (Key.getKind() == msgpack::Type::String) {
753 StringRef S = Key.getString();
754 uint64_t Val;
755 if (S.consumeInteger(0, Val)) {
756 Ok = false;
757 errs() << "Unrecognized PAL metadata register key '" << S << "'\n";
758 continue;
759 }
760 Key = MsgPackDoc.getNode(uint64_t(Val));
761 }
762 Registers.getMap()[Key] = I.second;
763 }
764 return Ok;
765 }
766
767 // Reference (create if necessary) the node for the registers map.
refRegisters()768 msgpack::DocNode &AMDGPUPALMetadata::refRegisters() {
769 auto &N =
770 MsgPackDoc.getRoot()
771 .getMap(/*Convert=*/true)[MsgPackDoc.getNode("amdpal.pipelines")]
772 .getArray(/*Convert=*/true)[0]
773 .getMap(/*Convert=*/true)[MsgPackDoc.getNode(".registers")];
774 N.getMap(/*Convert=*/true);
775 return N;
776 }
777
778 // Get (create if necessary) the registers map.
getRegisters()779 msgpack::MapDocNode AMDGPUPALMetadata::getRegisters() {
780 if (Registers.isEmpty())
781 Registers = refRegisters();
782 return Registers.getMap();
783 }
784
785 // Reference (create if necessary) the node for the shader functions map.
refShaderFunctions()786 msgpack::DocNode &AMDGPUPALMetadata::refShaderFunctions() {
787 auto &N =
788 MsgPackDoc.getRoot()
789 .getMap(/*Convert=*/true)[MsgPackDoc.getNode("amdpal.pipelines")]
790 .getArray(/*Convert=*/true)[0]
791 .getMap(/*Convert=*/true)[MsgPackDoc.getNode(".shader_functions")];
792 N.getMap(/*Convert=*/true);
793 return N;
794 }
795
796 // Get (create if necessary) the shader functions map.
getShaderFunctions()797 msgpack::MapDocNode AMDGPUPALMetadata::getShaderFunctions() {
798 if (ShaderFunctions.isEmpty())
799 ShaderFunctions = refShaderFunctions();
800 return ShaderFunctions.getMap();
801 }
802
803 // Get (create if necessary) a function in the shader functions map.
getShaderFunction(StringRef Name)804 msgpack::MapDocNode AMDGPUPALMetadata::getShaderFunction(StringRef Name) {
805 auto Functions = getShaderFunctions();
806 return Functions[Name].getMap(/*Convert=*/true);
807 }
808
809 // Return the PAL metadata hardware shader stage name.
getStageName(CallingConv::ID CC)810 static const char *getStageName(CallingConv::ID CC) {
811 switch (CC) {
812 case CallingConv::AMDGPU_PS:
813 return ".ps";
814 case CallingConv::AMDGPU_VS:
815 return ".vs";
816 case CallingConv::AMDGPU_GS:
817 return ".gs";
818 case CallingConv::AMDGPU_ES:
819 return ".es";
820 case CallingConv::AMDGPU_HS:
821 return ".hs";
822 case CallingConv::AMDGPU_LS:
823 return ".ls";
824 case CallingConv::AMDGPU_Gfx:
825 llvm_unreachable("Callable shader has no hardware stage");
826 default:
827 return ".cs";
828 }
829 }
830
831 // Get (create if necessary) the .hardware_stages entry for the given calling
832 // convention.
getHwStage(unsigned CC)833 msgpack::MapDocNode AMDGPUPALMetadata::getHwStage(unsigned CC) {
834 if (HwStages.isEmpty())
835 HwStages = MsgPackDoc.getRoot()
836 .getMap(/*Convert=*/true)["amdpal.pipelines"]
837 .getArray(/*Convert=*/true)[0]
838 .getMap(/*Convert=*/true)[".hardware_stages"]
839 .getMap(/*Convert=*/true);
840 return HwStages.getMap()[getStageName(CC)].getMap(/*Convert=*/true);
841 }
842
843 // Get .note record vendor name of metadata blob to be emitted.
getVendor() const844 const char *AMDGPUPALMetadata::getVendor() const {
845 return isLegacy() ? ElfNote::NoteNameV2 : ElfNote::NoteNameV3;
846 }
847
848 // Get .note record type of metadata blob to be emitted:
849 // ELF::NT_AMD_PAL_METADATA (legacy key=val format), or
850 // ELF::NT_AMDGPU_METADATA (MsgPack format), or
851 // 0 (no PAL metadata).
getType() const852 unsigned AMDGPUPALMetadata::getType() const {
853 return BlobType;
854 }
855
856 // Return whether the blob type is legacy PAL metadata.
isLegacy() const857 bool AMDGPUPALMetadata::isLegacy() const {
858 return BlobType == ELF::NT_AMD_PAL_METADATA;
859 }
860
861 // Set legacy PAL metadata format.
setLegacy()862 void AMDGPUPALMetadata::setLegacy() {
863 BlobType = ELF::NT_AMD_PAL_METADATA;
864 }
865
866 // Erase all PAL metadata.
reset()867 void AMDGPUPALMetadata::reset() {
868 MsgPackDoc.clear();
869 Registers = MsgPackDoc.getEmptyNode();
870 HwStages = MsgPackDoc.getEmptyNode();
871 }
872