1 //===-- SIDefines.h - SI Helper Macros ----------------------*- C++ -*-===//
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 /// \file
8 //===----------------------------------------------------------------------===//
9 
10 #include "llvm/MC/MCInstrDesc.h"
11 
12 #ifndef LLVM_LIB_TARGET_AMDGPU_SIDEFINES_H
13 #define LLVM_LIB_TARGET_AMDGPU_SIDEFINES_H
14 
15 namespace llvm {
16 
17 namespace SIInstrFlags {
18 // This needs to be kept in sync with the field bits in InstSI.
19 enum : uint64_t {
20   // Low bits - basic encoding information.
21   SALU = 1 << 0,
22   VALU = 1 << 1,
23 
24   // SALU instruction formats.
25   SOP1 = 1 << 2,
26   SOP2 = 1 << 3,
27   SOPC = 1 << 4,
28   SOPK = 1 << 5,
29   SOPP = 1 << 6,
30 
31   // VALU instruction formats.
32   VOP1 = 1 << 7,
33   VOP2 = 1 << 8,
34   VOPC = 1 << 9,
35 
36   // TODO: Should this be spilt into VOP3 a and b?
37   VOP3 = 1 << 10,
38   VOP3P = 1 << 12,
39 
40   VINTRP = 1 << 13,
41   SDWA = 1 << 14,
42   DPP = 1 << 15,
43   TRANS = 1 << 16,
44 
45   // Memory instruction formats.
46   MUBUF = 1 << 17,
47   MTBUF = 1 << 18,
48   SMRD = 1 << 19,
49   MIMG = 1 << 20,
50   EXP = 1 << 21,
51   FLAT = 1 << 22,
52   DS = 1 << 23,
53 
54   // Pseudo instruction formats.
55   VGPRSpill = 1 << 24,
56   SGPRSpill = 1 << 25,
57 
58   // High bits - other information.
59   VM_CNT = UINT64_C(1) << 32,
60   EXP_CNT = UINT64_C(1) << 33,
61   LGKM_CNT = UINT64_C(1) << 34,
62 
63   WQM = UINT64_C(1) << 35,
64   DisableWQM = UINT64_C(1) << 36,
65   Gather4 = UINT64_C(1) << 37,
66   SOPK_ZEXT = UINT64_C(1) << 38,
67   SCALAR_STORE = UINT64_C(1) << 39,
68   FIXED_SIZE = UINT64_C(1) << 40,
69   VOPAsmPrefer32Bit = UINT64_C(1) << 41,
70   VOP3_OPSEL = UINT64_C(1) << 42,
71   maybeAtomic = UINT64_C(1) << 43,
72   renamedInGFX9 = UINT64_C(1) << 44,
73 
74   // Is a clamp on FP type.
75   FPClamp = UINT64_C(1) << 45,
76 
77   // Is an integer clamp
78   IntClamp = UINT64_C(1) << 46,
79 
80   // Clamps lo component of register.
81   ClampLo = UINT64_C(1) << 47,
82 
83   // Clamps hi component of register.
84   // ClampLo and ClampHi set for packed clamp.
85   ClampHi = UINT64_C(1) << 48,
86 
87   // Is a packed VOP3P instruction.
88   IsPacked = UINT64_C(1) << 49,
89 
90   // Is a D16 buffer instruction.
91   D16Buf = UINT64_C(1) << 50,
92 
93   // FLAT instruction accesses FLAT_GLBL segment.
94   FlatGlobal = UINT64_C(1) << 51,
95 
96   // Uses floating point double precision rounding mode
97   FPDPRounding = UINT64_C(1) << 52,
98 
99   // Instruction is FP atomic.
100   FPAtomic = UINT64_C(1) << 53,
101 
102   // Is a MFMA instruction.
103   IsMAI = UINT64_C(1) << 54,
104 
105   // Is a DOT instruction.
106   IsDOT = UINT64_C(1) << 55,
107 
108   // FLAT instruction accesses FLAT_SCRATCH segment.
109   FlatScratch = UINT64_C(1) << 56,
110 
111   // Atomic without return.
112   IsAtomicNoRet = UINT64_C(1) << 57,
113 
114   // Atomic with return.
115   IsAtomicRet = UINT64_C(1) << 58
116 };
117 
118 // v_cmp_class_* etc. use a 10-bit mask for what operation is checked.
119 // The result is true if any of these tests are true.
120 enum ClassFlags : unsigned {
121   S_NAN = 1 << 0,        // Signaling NaN
122   Q_NAN = 1 << 1,        // Quiet NaN
123   N_INFINITY = 1 << 2,   // Negative infinity
124   N_NORMAL = 1 << 3,     // Negative normal
125   N_SUBNORMAL = 1 << 4,  // Negative subnormal
126   N_ZERO = 1 << 5,       // Negative zero
127   P_ZERO = 1 << 6,       // Positive zero
128   P_SUBNORMAL = 1 << 7,  // Positive subnormal
129   P_NORMAL = 1 << 8,     // Positive normal
130   P_INFINITY = 1 << 9    // Positive infinity
131 };
132 }
133 
134 namespace AMDGPU {
135   enum OperandType : unsigned {
136     /// Operands with register or 32-bit immediate
137     OPERAND_REG_IMM_INT32 = MCOI::OPERAND_FIRST_TARGET,
138     OPERAND_REG_IMM_INT64,
139     OPERAND_REG_IMM_INT16,
140     OPERAND_REG_IMM_FP32,
141     OPERAND_REG_IMM_FP64,
142     OPERAND_REG_IMM_FP16,
143     OPERAND_REG_IMM_V2FP16,
144     OPERAND_REG_IMM_V2INT16,
145     OPERAND_REG_IMM_V2INT32,
146     OPERAND_REG_IMM_V2FP32,
147 
148     /// Operands with register or inline constant
149     OPERAND_REG_INLINE_C_INT16,
150     OPERAND_REG_INLINE_C_INT32,
151     OPERAND_REG_INLINE_C_INT64,
152     OPERAND_REG_INLINE_C_FP16,
153     OPERAND_REG_INLINE_C_FP32,
154     OPERAND_REG_INLINE_C_FP64,
155     OPERAND_REG_INLINE_C_V2INT16,
156     OPERAND_REG_INLINE_C_V2FP16,
157     OPERAND_REG_INLINE_C_V2INT32,
158     OPERAND_REG_INLINE_C_V2FP32,
159 
160     /// Operands with an AccVGPR register or inline constant
161     OPERAND_REG_INLINE_AC_INT16,
162     OPERAND_REG_INLINE_AC_INT32,
163     OPERAND_REG_INLINE_AC_FP16,
164     OPERAND_REG_INLINE_AC_FP32,
165     OPERAND_REG_INLINE_AC_FP64,
166     OPERAND_REG_INLINE_AC_V2INT16,
167     OPERAND_REG_INLINE_AC_V2FP16,
168     OPERAND_REG_INLINE_AC_V2INT32,
169     OPERAND_REG_INLINE_AC_V2FP32,
170 
171     OPERAND_REG_IMM_FIRST = OPERAND_REG_IMM_INT32,
172     OPERAND_REG_IMM_LAST = OPERAND_REG_IMM_V2FP32,
173 
174     OPERAND_REG_INLINE_C_FIRST = OPERAND_REG_INLINE_C_INT16,
175     OPERAND_REG_INLINE_C_LAST = OPERAND_REG_INLINE_AC_V2FP32,
176 
177     OPERAND_REG_INLINE_AC_FIRST = OPERAND_REG_INLINE_AC_INT16,
178     OPERAND_REG_INLINE_AC_LAST = OPERAND_REG_INLINE_AC_V2FP32,
179 
180     OPERAND_SRC_FIRST = OPERAND_REG_IMM_INT32,
181     OPERAND_SRC_LAST = OPERAND_REG_INLINE_C_LAST,
182 
183     // Operand for source modifiers for VOP instructions
184     OPERAND_INPUT_MODS,
185 
186     // Operand for SDWA instructions
187     OPERAND_SDWA_VOPC_DST,
188 
189     /// Operand with 32-bit immediate that uses the constant bus.
190     OPERAND_KIMM32,
191     OPERAND_KIMM16
192   };
193 }
194 
195 // Input operand modifiers bit-masks
196 // NEG and SEXT share same bit-mask because they can't be set simultaneously.
197 namespace SISrcMods {
198   enum : unsigned {
199    NEG = 1 << 0,   // Floating-point negate modifier
200    ABS = 1 << 1,   // Floating-point absolute modifier
201    SEXT = 1 << 0,  // Integer sign-extend modifier
202    NEG_HI = ABS,   // Floating-point negate high packed component modifier.
203    OP_SEL_0 = 1 << 2,
204    OP_SEL_1 = 1 << 3,
205    DST_OP_SEL = 1 << 3 // VOP3 dst op_sel (share mask with OP_SEL_1)
206   };
207 }
208 
209 namespace SIOutMods {
210   enum : unsigned {
211     NONE = 0,
212     MUL2 = 1,
213     MUL4 = 2,
214     DIV2 = 3
215   };
216 }
217 
218 namespace AMDGPU {
219 namespace VGPRIndexMode {
220 
221 enum Id : unsigned { // id of symbolic names
222   ID_SRC0 = 0,
223   ID_SRC1,
224   ID_SRC2,
225   ID_DST,
226 
227   ID_MIN = ID_SRC0,
228   ID_MAX = ID_DST
229 };
230 
231 enum EncBits : unsigned {
232   OFF = 0,
233   SRC0_ENABLE = 1 << ID_SRC0,
234   SRC1_ENABLE = 1 << ID_SRC1,
235   SRC2_ENABLE = 1 << ID_SRC2,
236   DST_ENABLE = 1 << ID_DST,
237   ENABLE_MASK = SRC0_ENABLE | SRC1_ENABLE | SRC2_ENABLE | DST_ENABLE,
238   UNDEF = 0xFFFF
239 };
240 
241 } // namespace VGPRIndexMode
242 } // namespace AMDGPU
243 
244 namespace AMDGPUAsmVariants {
245   enum : unsigned {
246     DEFAULT = 0,
247     VOP3 = 1,
248     SDWA = 2,
249     SDWA9 = 3,
250     DPP = 4
251   };
252 }
253 
254 namespace AMDGPU {
255 namespace EncValues { // Encoding values of enum9/8/7 operands
256 
257 enum : unsigned {
258   SGPR_MIN = 0,
259   SGPR_MAX_SI = 101,
260   SGPR_MAX_GFX10 = 105,
261   TTMP_VI_MIN = 112,
262   TTMP_VI_MAX = 123,
263   TTMP_GFX9PLUS_MIN = 108,
264   TTMP_GFX9PLUS_MAX = 123,
265   INLINE_INTEGER_C_MIN = 128,
266   INLINE_INTEGER_C_POSITIVE_MAX = 192, // 64
267   INLINE_INTEGER_C_MAX = 208,
268   INLINE_FLOATING_C_MIN = 240,
269   INLINE_FLOATING_C_MAX = 248,
270   LITERAL_CONST = 255,
271   VGPR_MIN = 256,
272   VGPR_MAX = 511
273 };
274 
275 } // namespace EncValues
276 } // namespace AMDGPU
277 
278 namespace AMDGPU {
279 namespace CPol {
280 
281 enum CPol {
282   GLC = 1,
283   SLC = 2,
284   DLC = 4,
285   SCC = 16,
286   ALL = GLC | SLC | DLC | SCC
287 };
288 
289 } // namespace CPol
290 
291 namespace SendMsg { // Encoding of SIMM16 used in s_sendmsg* insns.
292 
293 enum Id { // Message ID, width(4) [3:0].
294   ID_UNKNOWN_ = -1,
295   ID_INTERRUPT = 1,
296   ID_GS = 2,
297   ID_GS_DONE = 3,
298   ID_SAVEWAVE = 4,           // added in GFX8
299   ID_STALL_WAVE_GEN = 5,     // added in GFX9
300   ID_HALT_WAVES = 6,         // added in GFX9
301   ID_ORDERED_PS_DONE = 7,    // added in GFX9
302   ID_EARLY_PRIM_DEALLOC = 8, // added in GFX9, removed in GFX10
303   ID_GS_ALLOC_REQ = 9,       // added in GFX9
304   ID_GET_DOORBELL = 10,      // added in GFX9
305   ID_GET_DDID = 11,          // added in GFX10
306   ID_SYSMSG = 15,
307   ID_GAPS_LAST_, // Indicate that sequence has gaps.
308   ID_GAPS_FIRST_ = ID_INTERRUPT,
309   ID_SHIFT_ = 0,
310   ID_WIDTH_ = 4,
311   ID_MASK_ = (((1 << ID_WIDTH_) - 1) << ID_SHIFT_)
312 };
313 
314 enum Op { // Both GS and SYS operation IDs.
315   OP_UNKNOWN_ = -1,
316   OP_SHIFT_ = 4,
317   OP_NONE_ = 0,
318   // Bits used for operation encoding
319   OP_WIDTH_ = 3,
320   OP_MASK_ = (((1 << OP_WIDTH_) - 1) << OP_SHIFT_),
321   // GS operations are encoded in bits 5:4
322   OP_GS_NOP = 0,
323   OP_GS_CUT = 1,
324   OP_GS_EMIT = 2,
325   OP_GS_EMIT_CUT = 3,
326   OP_GS_LAST_,
327   OP_GS_FIRST_ = OP_GS_NOP,
328   // SYS operations are encoded in bits 6:4
329   OP_SYS_ECC_ERR_INTERRUPT = 1,
330   OP_SYS_REG_RD = 2,
331   OP_SYS_HOST_TRAP_ACK = 3,
332   OP_SYS_TTRACE_PC = 4,
333   OP_SYS_LAST_,
334   OP_SYS_FIRST_ = OP_SYS_ECC_ERR_INTERRUPT,
335 };
336 
337 enum StreamId : unsigned { // Stream ID, (2) [9:8].
338   STREAM_ID_NONE_ = 0,
339   STREAM_ID_DEFAULT_ = 0,
340   STREAM_ID_LAST_ = 4,
341   STREAM_ID_FIRST_ = STREAM_ID_DEFAULT_,
342   STREAM_ID_SHIFT_ = 8,
343   STREAM_ID_WIDTH_=  2,
344   STREAM_ID_MASK_ = (((1 << STREAM_ID_WIDTH_) - 1) << STREAM_ID_SHIFT_)
345 };
346 
347 } // namespace SendMsg
348 
349 namespace Hwreg { // Encoding of SIMM16 used in s_setreg/getreg* insns.
350 
351 enum Id { // HwRegCode, (6) [5:0]
352   ID_UNKNOWN_ = -1,
353   ID_SYMBOLIC_FIRST_ = 1, // There are corresponding symbolic names defined.
354   ID_MODE = 1,
355   ID_STATUS = 2,
356   ID_TRAPSTS = 3,
357   ID_HW_ID = 4,
358   ID_GPR_ALLOC = 5,
359   ID_LDS_ALLOC = 6,
360   ID_IB_STS = 7,
361   ID_MEM_BASES = 15,
362   ID_SYMBOLIC_FIRST_GFX9_ = ID_MEM_BASES,
363   ID_TBA_LO = 16,
364   ID_SYMBOLIC_FIRST_GFX10_ = ID_TBA_LO,
365   ID_TBA_HI = 17,
366   ID_TMA_LO = 18,
367   ID_TMA_HI = 19,
368   ID_FLAT_SCR_LO = 20,
369   ID_FLAT_SCR_HI = 21,
370   ID_XNACK_MASK = 22,
371   ID_POPS_PACKER = 25,
372   ID_SHADER_CYCLES = 29,
373   ID_SYMBOLIC_FIRST_GFX1030_ = ID_SHADER_CYCLES,
374   ID_SYMBOLIC_LAST_ = 30,
375   ID_SHIFT_ = 0,
376   ID_WIDTH_ = 6,
377   ID_MASK_ = (((1 << ID_WIDTH_) - 1) << ID_SHIFT_)
378 };
379 
380 enum Offset : unsigned { // Offset, (5) [10:6]
381   OFFSET_DEFAULT_ = 0,
382   OFFSET_SHIFT_ = 6,
383   OFFSET_WIDTH_ = 5,
384   OFFSET_MASK_ = (((1 << OFFSET_WIDTH_) - 1) << OFFSET_SHIFT_),
385 
386   OFFSET_MEM_VIOL = 8,
387 
388   OFFSET_SRC_SHARED_BASE = 16,
389   OFFSET_SRC_PRIVATE_BASE = 0
390 };
391 
392 enum WidthMinusOne : unsigned { // WidthMinusOne, (5) [15:11]
393   WIDTH_M1_DEFAULT_ = 31,
394   WIDTH_M1_SHIFT_ = 11,
395   WIDTH_M1_WIDTH_ = 5,
396   WIDTH_M1_MASK_ = (((1 << WIDTH_M1_WIDTH_) - 1) << WIDTH_M1_SHIFT_),
397 
398   WIDTH_M1_SRC_SHARED_BASE = 15,
399   WIDTH_M1_SRC_PRIVATE_BASE = 15
400 };
401 
402 // Some values from WidthMinusOne mapped into Width domain.
403 enum Width : unsigned {
404   WIDTH_DEFAULT_ = WIDTH_M1_DEFAULT_ + 1,
405 };
406 
407 enum ModeRegisterMasks : uint32_t {
408   FP_ROUND_MASK = 0xf << 0,  // Bits 0..3
409   FP_DENORM_MASK = 0xf << 4, // Bits 4..7
410   DX10_CLAMP_MASK = 1 << 8,
411   IEEE_MODE_MASK = 1 << 9,
412   LOD_CLAMP_MASK = 1 << 10,
413   DEBUG_MASK = 1 << 11,
414 
415   // EXCP_EN fields.
416   EXCP_EN_INVALID_MASK = 1 << 12,
417   EXCP_EN_INPUT_DENORMAL_MASK = 1 << 13,
418   EXCP_EN_FLOAT_DIV0_MASK = 1 << 14,
419   EXCP_EN_OVERFLOW_MASK = 1 << 15,
420   EXCP_EN_UNDERFLOW_MASK = 1 << 16,
421   EXCP_EN_INEXACT_MASK = 1 << 17,
422   EXCP_EN_INT_DIV0_MASK = 1 << 18,
423 
424   GPR_IDX_EN_MASK = 1 << 27,
425   VSKIP_MASK = 1 << 28,
426   CSP_MASK = 0x7u << 29 // Bits 29..31
427 };
428 
429 } // namespace Hwreg
430 
431 namespace MTBUFFormat {
432 
433 enum DataFormat : int64_t {
434   DFMT_INVALID = 0,
435   DFMT_8,
436   DFMT_16,
437   DFMT_8_8,
438   DFMT_32,
439   DFMT_16_16,
440   DFMT_10_11_11,
441   DFMT_11_11_10,
442   DFMT_10_10_10_2,
443   DFMT_2_10_10_10,
444   DFMT_8_8_8_8,
445   DFMT_32_32,
446   DFMT_16_16_16_16,
447   DFMT_32_32_32,
448   DFMT_32_32_32_32,
449   DFMT_RESERVED_15,
450 
451   DFMT_MIN = DFMT_INVALID,
452   DFMT_MAX = DFMT_RESERVED_15,
453 
454   DFMT_UNDEF = -1,
455   DFMT_DEFAULT = DFMT_8,
456 
457   DFMT_SHIFT = 0,
458   DFMT_MASK = 0xF
459 };
460 
461 enum NumFormat : int64_t {
462   NFMT_UNORM = 0,
463   NFMT_SNORM,
464   NFMT_USCALED,
465   NFMT_SSCALED,
466   NFMT_UINT,
467   NFMT_SINT,
468   NFMT_RESERVED_6,                    // VI and GFX9
469   NFMT_SNORM_OGL = NFMT_RESERVED_6,   // SI and CI only
470   NFMT_FLOAT,
471 
472   NFMT_MIN = NFMT_UNORM,
473   NFMT_MAX = NFMT_FLOAT,
474 
475   NFMT_UNDEF = -1,
476   NFMT_DEFAULT = NFMT_UNORM,
477 
478   NFMT_SHIFT = 4,
479   NFMT_MASK = 7
480 };
481 
482 enum MergedFormat : int64_t {
483   DFMT_NFMT_UNDEF = -1,
484   DFMT_NFMT_DEFAULT = ((DFMT_DEFAULT & DFMT_MASK) << DFMT_SHIFT) |
485                       ((NFMT_DEFAULT & NFMT_MASK) << NFMT_SHIFT),
486 
487 
488   DFMT_NFMT_MASK = (DFMT_MASK << DFMT_SHIFT) | (NFMT_MASK << NFMT_SHIFT),
489 
490   DFMT_NFMT_MAX = DFMT_NFMT_MASK
491 };
492 
493 enum UnifiedFormat : int64_t {
494   UFMT_INVALID = 0,
495 
496   UFMT_8_UNORM,
497   UFMT_8_SNORM,
498   UFMT_8_USCALED,
499   UFMT_8_SSCALED,
500   UFMT_8_UINT,
501   UFMT_8_SINT,
502 
503   UFMT_16_UNORM,
504   UFMT_16_SNORM,
505   UFMT_16_USCALED,
506   UFMT_16_SSCALED,
507   UFMT_16_UINT,
508   UFMT_16_SINT,
509   UFMT_16_FLOAT,
510 
511   UFMT_8_8_UNORM,
512   UFMT_8_8_SNORM,
513   UFMT_8_8_USCALED,
514   UFMT_8_8_SSCALED,
515   UFMT_8_8_UINT,
516   UFMT_8_8_SINT,
517 
518   UFMT_32_UINT,
519   UFMT_32_SINT,
520   UFMT_32_FLOAT,
521 
522   UFMT_16_16_UNORM,
523   UFMT_16_16_SNORM,
524   UFMT_16_16_USCALED,
525   UFMT_16_16_SSCALED,
526   UFMT_16_16_UINT,
527   UFMT_16_16_SINT,
528   UFMT_16_16_FLOAT,
529 
530   UFMT_10_11_11_UNORM,
531   UFMT_10_11_11_SNORM,
532   UFMT_10_11_11_USCALED,
533   UFMT_10_11_11_SSCALED,
534   UFMT_10_11_11_UINT,
535   UFMT_10_11_11_SINT,
536   UFMT_10_11_11_FLOAT,
537 
538   UFMT_11_11_10_UNORM,
539   UFMT_11_11_10_SNORM,
540   UFMT_11_11_10_USCALED,
541   UFMT_11_11_10_SSCALED,
542   UFMT_11_11_10_UINT,
543   UFMT_11_11_10_SINT,
544   UFMT_11_11_10_FLOAT,
545 
546   UFMT_10_10_10_2_UNORM,
547   UFMT_10_10_10_2_SNORM,
548   UFMT_10_10_10_2_USCALED,
549   UFMT_10_10_10_2_SSCALED,
550   UFMT_10_10_10_2_UINT,
551   UFMT_10_10_10_2_SINT,
552 
553   UFMT_2_10_10_10_UNORM,
554   UFMT_2_10_10_10_SNORM,
555   UFMT_2_10_10_10_USCALED,
556   UFMT_2_10_10_10_SSCALED,
557   UFMT_2_10_10_10_UINT,
558   UFMT_2_10_10_10_SINT,
559 
560   UFMT_8_8_8_8_UNORM,
561   UFMT_8_8_8_8_SNORM,
562   UFMT_8_8_8_8_USCALED,
563   UFMT_8_8_8_8_SSCALED,
564   UFMT_8_8_8_8_UINT,
565   UFMT_8_8_8_8_SINT,
566 
567   UFMT_32_32_UINT,
568   UFMT_32_32_SINT,
569   UFMT_32_32_FLOAT,
570 
571   UFMT_16_16_16_16_UNORM,
572   UFMT_16_16_16_16_SNORM,
573   UFMT_16_16_16_16_USCALED,
574   UFMT_16_16_16_16_SSCALED,
575   UFMT_16_16_16_16_UINT,
576   UFMT_16_16_16_16_SINT,
577   UFMT_16_16_16_16_FLOAT,
578 
579   UFMT_32_32_32_UINT,
580   UFMT_32_32_32_SINT,
581   UFMT_32_32_32_FLOAT,
582   UFMT_32_32_32_32_UINT,
583   UFMT_32_32_32_32_SINT,
584   UFMT_32_32_32_32_FLOAT,
585 
586   UFMT_FIRST = UFMT_INVALID,
587   UFMT_LAST = UFMT_32_32_32_32_FLOAT,
588 
589   UFMT_MAX = 127,
590 
591   UFMT_UNDEF = -1,
592   UFMT_DEFAULT = UFMT_8_UNORM
593 };
594 
595 } // namespace MTBUFFormat
596 
597 namespace Swizzle { // Encoding of swizzle macro used in ds_swizzle_b32.
598 
599 enum Id : unsigned { // id of symbolic names
600   ID_QUAD_PERM = 0,
601   ID_BITMASK_PERM,
602   ID_SWAP,
603   ID_REVERSE,
604   ID_BROADCAST
605 };
606 
607 enum EncBits : unsigned {
608 
609   // swizzle mode encodings
610 
611   QUAD_PERM_ENC         = 0x8000,
612   QUAD_PERM_ENC_MASK    = 0xFF00,
613 
614   BITMASK_PERM_ENC      = 0x0000,
615   BITMASK_PERM_ENC_MASK = 0x8000,
616 
617   // QUAD_PERM encodings
618 
619   LANE_MASK             = 0x3,
620   LANE_MAX              = LANE_MASK,
621   LANE_SHIFT            = 2,
622   LANE_NUM              = 4,
623 
624   // BITMASK_PERM encodings
625 
626   BITMASK_MASK          = 0x1F,
627   BITMASK_MAX           = BITMASK_MASK,
628   BITMASK_WIDTH         = 5,
629 
630   BITMASK_AND_SHIFT     = 0,
631   BITMASK_OR_SHIFT      = 5,
632   BITMASK_XOR_SHIFT     = 10
633 };
634 
635 } // namespace Swizzle
636 
637 namespace SDWA {
638 
639 enum SdwaSel : unsigned {
640   BYTE_0 = 0,
641   BYTE_1 = 1,
642   BYTE_2 = 2,
643   BYTE_3 = 3,
644   WORD_0 = 4,
645   WORD_1 = 5,
646   DWORD = 6,
647 };
648 
649 enum DstUnused : unsigned {
650   UNUSED_PAD = 0,
651   UNUSED_SEXT = 1,
652   UNUSED_PRESERVE = 2,
653 };
654 
655 enum SDWA9EncValues : unsigned {
656   SRC_SGPR_MASK = 0x100,
657   SRC_VGPR_MASK = 0xFF,
658   VOPC_DST_VCC_MASK = 0x80,
659   VOPC_DST_SGPR_MASK = 0x7F,
660 
661   SRC_VGPR_MIN = 0,
662   SRC_VGPR_MAX = 255,
663   SRC_SGPR_MIN = 256,
664   SRC_SGPR_MAX_SI = 357,
665   SRC_SGPR_MAX_GFX10 = 361,
666   SRC_TTMP_MIN = 364,
667   SRC_TTMP_MAX = 379,
668 };
669 
670 } // namespace SDWA
671 
672 namespace DPP {
673 
674 // clang-format off
675 enum DppCtrl : unsigned {
676   QUAD_PERM_FIRST   = 0,
677   QUAD_PERM_ID      = 0xE4, // identity permutation
678   QUAD_PERM_LAST    = 0xFF,
679   DPP_UNUSED1       = 0x100,
680   ROW_SHL0          = 0x100,
681   ROW_SHL_FIRST     = 0x101,
682   ROW_SHL_LAST      = 0x10F,
683   DPP_UNUSED2       = 0x110,
684   ROW_SHR0          = 0x110,
685   ROW_SHR_FIRST     = 0x111,
686   ROW_SHR_LAST      = 0x11F,
687   DPP_UNUSED3       = 0x120,
688   ROW_ROR0          = 0x120,
689   ROW_ROR_FIRST     = 0x121,
690   ROW_ROR_LAST      = 0x12F,
691   WAVE_SHL1         = 0x130,
692   DPP_UNUSED4_FIRST = 0x131,
693   DPP_UNUSED4_LAST  = 0x133,
694   WAVE_ROL1         = 0x134,
695   DPP_UNUSED5_FIRST = 0x135,
696   DPP_UNUSED5_LAST  = 0x137,
697   WAVE_SHR1         = 0x138,
698   DPP_UNUSED6_FIRST = 0x139,
699   DPP_UNUSED6_LAST  = 0x13B,
700   WAVE_ROR1         = 0x13C,
701   DPP_UNUSED7_FIRST = 0x13D,
702   DPP_UNUSED7_LAST  = 0x13F,
703   ROW_MIRROR        = 0x140,
704   ROW_HALF_MIRROR   = 0x141,
705   BCAST15           = 0x142,
706   BCAST31           = 0x143,
707   DPP_UNUSED8_FIRST = 0x144,
708   DPP_UNUSED8_LAST  = 0x14F,
709   ROW_NEWBCAST_FIRST= 0x150,
710   ROW_NEWBCAST_LAST = 0x15F,
711   ROW_SHARE0        = 0x150,
712   ROW_SHARE_FIRST   = 0x150,
713   ROW_SHARE_LAST    = 0x15F,
714   ROW_XMASK0        = 0x160,
715   ROW_XMASK_FIRST   = 0x160,
716   ROW_XMASK_LAST    = 0x16F,
717   DPP_LAST          = ROW_XMASK_LAST
718 };
719 // clang-format on
720 
721 enum DppFiMode {
722   DPP_FI_0  = 0,
723   DPP_FI_1  = 1,
724   DPP8_FI_0 = 0xE9,
725   DPP8_FI_1 = 0xEA,
726 };
727 
728 } // namespace DPP
729 
730 namespace Exp {
731 
732 enum Target : unsigned {
733   ET_MRT0 = 0,
734   ET_MRT7 = 7,
735   ET_MRTZ = 8,
736   ET_NULL = 9,
737   ET_POS0 = 12,
738   ET_POS3 = 15,
739   ET_POS4 = 16,          // GFX10+
740   ET_POS_LAST = ET_POS4, // Highest pos used on any subtarget
741   ET_PRIM = 20,          // GFX10+
742   ET_PARAM0 = 32,
743   ET_PARAM31 = 63,
744 
745   ET_NULL_MAX_IDX = 0,
746   ET_MRTZ_MAX_IDX = 0,
747   ET_PRIM_MAX_IDX = 0,
748   ET_MRT_MAX_IDX = 7,
749   ET_POS_MAX_IDX = 4,
750   ET_PARAM_MAX_IDX = 31,
751 
752   ET_INVALID = 255,
753 };
754 
755 } // namespace Exp
756 
757 namespace VOP3PEncoding {
758 
759 enum OpSel : uint64_t {
760   OP_SEL_HI_0 = UINT64_C(1) << 59,
761   OP_SEL_HI_1 = UINT64_C(1) << 60,
762   OP_SEL_HI_2 = UINT64_C(1) << 14,
763 };
764 
765 } // namespace VOP3PEncoding
766 
767 } // namespace AMDGPU
768 
769 #define R_00B028_SPI_SHADER_PGM_RSRC1_PS                                0x00B028
770 #define   S_00B028_VGPRS(x)                                           (((x) & 0x3F) << 0)
771 #define   S_00B028_SGPRS(x)                                           (((x) & 0x0F) << 6)
772 #define   S_00B028_MEM_ORDERED(x)                                     (((x) & 0x1) << 25)
773 #define   G_00B028_MEM_ORDERED(x)                                     (((x) >> 25) & 0x1)
774 #define   C_00B028_MEM_ORDERED                                        0xFDFFFFFF
775 
776 #define R_00B02C_SPI_SHADER_PGM_RSRC2_PS                                0x00B02C
777 #define   S_00B02C_EXTRA_LDS_SIZE(x)                                  (((x) & 0xFF) << 8)
778 #define R_00B128_SPI_SHADER_PGM_RSRC1_VS                                0x00B128
779 #define   S_00B128_MEM_ORDERED(x)                                     (((x) & 0x1) << 27)
780 #define   G_00B128_MEM_ORDERED(x)                                     (((x) >> 27) & 0x1)
781 #define   C_00B128_MEM_ORDERED                                        0xF7FFFFFF
782 
783 #define R_00B228_SPI_SHADER_PGM_RSRC1_GS                                0x00B228
784 #define   S_00B228_WGP_MODE(x)                                        (((x) & 0x1) << 27)
785 #define   G_00B228_WGP_MODE(x)                                        (((x) >> 27) & 0x1)
786 #define   C_00B228_WGP_MODE                                           0xF7FFFFFF
787 #define   S_00B228_MEM_ORDERED(x)                                     (((x) & 0x1) << 25)
788 #define   G_00B228_MEM_ORDERED(x)                                     (((x) >> 25) & 0x1)
789 #define   C_00B228_MEM_ORDERED                                        0xFDFFFFFF
790 
791 #define R_00B328_SPI_SHADER_PGM_RSRC1_ES                                0x00B328
792 #define R_00B428_SPI_SHADER_PGM_RSRC1_HS                                0x00B428
793 #define   S_00B428_WGP_MODE(x)                                        (((x) & 0x1) << 26)
794 #define   G_00B428_WGP_MODE(x)                                        (((x) >> 26) & 0x1)
795 #define   C_00B428_WGP_MODE                                           0xFBFFFFFF
796 #define   S_00B428_MEM_ORDERED(x)                                     (((x) & 0x1) << 24)
797 #define   G_00B428_MEM_ORDERED(x)                                     (((x) >> 24) & 0x1)
798 #define   C_00B428_MEM_ORDERED                                        0xFEFFFFFF
799 
800 #define R_00B528_SPI_SHADER_PGM_RSRC1_LS                                0x00B528
801 
802 #define R_00B84C_COMPUTE_PGM_RSRC2                                      0x00B84C
803 #define   S_00B84C_SCRATCH_EN(x)                                      (((x) & 0x1) << 0)
804 #define   G_00B84C_SCRATCH_EN(x)                                      (((x) >> 0) & 0x1)
805 #define   C_00B84C_SCRATCH_EN                                         0xFFFFFFFE
806 #define   S_00B84C_USER_SGPR(x)                                       (((x) & 0x1F) << 1)
807 #define   G_00B84C_USER_SGPR(x)                                       (((x) >> 1) & 0x1F)
808 #define   C_00B84C_USER_SGPR                                          0xFFFFFFC1
809 #define   S_00B84C_TRAP_HANDLER(x)                                    (((x) & 0x1) << 6)
810 #define   G_00B84C_TRAP_HANDLER(x)                                    (((x) >> 6) & 0x1)
811 #define   C_00B84C_TRAP_HANDLER                                       0xFFFFFFBF
812 #define   S_00B84C_TGID_X_EN(x)                                       (((x) & 0x1) << 7)
813 #define   G_00B84C_TGID_X_EN(x)                                       (((x) >> 7) & 0x1)
814 #define   C_00B84C_TGID_X_EN                                          0xFFFFFF7F
815 #define   S_00B84C_TGID_Y_EN(x)                                       (((x) & 0x1) << 8)
816 #define   G_00B84C_TGID_Y_EN(x)                                       (((x) >> 8) & 0x1)
817 #define   C_00B84C_TGID_Y_EN                                          0xFFFFFEFF
818 #define   S_00B84C_TGID_Z_EN(x)                                       (((x) & 0x1) << 9)
819 #define   G_00B84C_TGID_Z_EN(x)                                       (((x) >> 9) & 0x1)
820 #define   C_00B84C_TGID_Z_EN                                          0xFFFFFDFF
821 #define   S_00B84C_TG_SIZE_EN(x)                                      (((x) & 0x1) << 10)
822 #define   G_00B84C_TG_SIZE_EN(x)                                      (((x) >> 10) & 0x1)
823 #define   C_00B84C_TG_SIZE_EN                                         0xFFFFFBFF
824 #define   S_00B84C_TIDIG_COMP_CNT(x)                                  (((x) & 0x03) << 11)
825 #define   G_00B84C_TIDIG_COMP_CNT(x)                                  (((x) >> 11) & 0x03)
826 #define   C_00B84C_TIDIG_COMP_CNT                                     0xFFFFE7FF
827 /* CIK */
828 #define   S_00B84C_EXCP_EN_MSB(x)                                     (((x) & 0x03) << 13)
829 #define   G_00B84C_EXCP_EN_MSB(x)                                     (((x) >> 13) & 0x03)
830 #define   C_00B84C_EXCP_EN_MSB                                        0xFFFF9FFF
831 /*     */
832 #define   S_00B84C_LDS_SIZE(x)                                        (((x) & 0x1FF) << 15)
833 #define   G_00B84C_LDS_SIZE(x)                                        (((x) >> 15) & 0x1FF)
834 #define   C_00B84C_LDS_SIZE                                           0xFF007FFF
835 #define   S_00B84C_EXCP_EN(x)                                         (((x) & 0x7F) << 24)
836 #define   G_00B84C_EXCP_EN(x)                                         (((x) >> 24) & 0x7F)
837 #define   C_00B84C_EXCP_EN
838 
839 #define R_0286CC_SPI_PS_INPUT_ENA                                       0x0286CC
840 #define R_0286D0_SPI_PS_INPUT_ADDR                                      0x0286D0
841 
842 #define R_00B848_COMPUTE_PGM_RSRC1                                      0x00B848
843 #define   S_00B848_VGPRS(x)                                           (((x) & 0x3F) << 0)
844 #define   G_00B848_VGPRS(x)                                           (((x) >> 0) & 0x3F)
845 #define   C_00B848_VGPRS                                              0xFFFFFFC0
846 #define   S_00B848_SGPRS(x)                                           (((x) & 0x0F) << 6)
847 #define   G_00B848_SGPRS(x)                                           (((x) >> 6) & 0x0F)
848 #define   C_00B848_SGPRS                                              0xFFFFFC3F
849 #define   S_00B848_PRIORITY(x)                                        (((x) & 0x03) << 10)
850 #define   G_00B848_PRIORITY(x)                                        (((x) >> 10) & 0x03)
851 #define   C_00B848_PRIORITY                                           0xFFFFF3FF
852 #define   S_00B848_FLOAT_MODE(x)                                      (((x) & 0xFF) << 12)
853 #define   G_00B848_FLOAT_MODE(x)                                      (((x) >> 12) & 0xFF)
854 #define   C_00B848_FLOAT_MODE                                         0xFFF00FFF
855 #define   S_00B848_PRIV(x)                                            (((x) & 0x1) << 20)
856 #define   G_00B848_PRIV(x)                                            (((x) >> 20) & 0x1)
857 #define   C_00B848_PRIV                                               0xFFEFFFFF
858 #define   S_00B848_DX10_CLAMP(x)                                      (((x) & 0x1) << 21)
859 #define   G_00B848_DX10_CLAMP(x)                                      (((x) >> 21) & 0x1)
860 #define   C_00B848_DX10_CLAMP                                         0xFFDFFFFF
861 #define   S_00B848_DEBUG_MODE(x)                                      (((x) & 0x1) << 22)
862 #define   G_00B848_DEBUG_MODE(x)                                      (((x) >> 22) & 0x1)
863 #define   C_00B848_DEBUG_MODE                                         0xFFBFFFFF
864 #define   S_00B848_IEEE_MODE(x)                                       (((x) & 0x1) << 23)
865 #define   G_00B848_IEEE_MODE(x)                                       (((x) >> 23) & 0x1)
866 #define   C_00B848_IEEE_MODE                                          0xFF7FFFFF
867 #define   S_00B848_WGP_MODE(x)                                        (((x) & 0x1) << 29)
868 #define   G_00B848_WGP_MODE(x)                                        (((x) >> 29) & 0x1)
869 #define   C_00B848_WGP_MODE                                           0xDFFFFFFF
870 #define   S_00B848_MEM_ORDERED(x)                                     (((x) & 0x1) << 30)
871 #define   G_00B848_MEM_ORDERED(x)                                     (((x) >> 30) & 0x1)
872 #define   C_00B848_MEM_ORDERED                                        0xBFFFFFFF
873 #define   S_00B848_FWD_PROGRESS(x)                                    (((x) & 0x1) << 31)
874 #define   G_00B848_FWD_PROGRESS(x)                                    (((x) >> 31) & 0x1)
875 #define   C_00B848_FWD_PROGRESS                                       0x7FFFFFFF
876 
877 
878 // Helpers for setting FLOAT_MODE
879 #define FP_ROUND_ROUND_TO_NEAREST 0
880 #define FP_ROUND_ROUND_TO_INF 1
881 #define FP_ROUND_ROUND_TO_NEGINF 2
882 #define FP_ROUND_ROUND_TO_ZERO 3
883 
884 // Bits 3:0 control rounding mode. 1:0 control single precision, 3:2 double
885 // precision.
886 #define FP_ROUND_MODE_SP(x) ((x) & 0x3)
887 #define FP_ROUND_MODE_DP(x) (((x) & 0x3) << 2)
888 
889 #define FP_DENORM_FLUSH_IN_FLUSH_OUT 0
890 #define FP_DENORM_FLUSH_OUT 1
891 #define FP_DENORM_FLUSH_IN 2
892 #define FP_DENORM_FLUSH_NONE 3
893 
894 
895 // Bits 7:4 control denormal handling. 5:4 control single precision, 6:7 double
896 // precision.
897 #define FP_DENORM_MODE_SP(x) (((x) & 0x3) << 4)
898 #define FP_DENORM_MODE_DP(x) (((x) & 0x3) << 6)
899 
900 #define R_00B860_COMPUTE_TMPRING_SIZE                                   0x00B860
901 #define   S_00B860_WAVESIZE(x)                                        (((x) & 0x1FFF) << 12)
902 
903 #define R_0286E8_SPI_TMPRING_SIZE                                       0x0286E8
904 #define   S_0286E8_WAVESIZE(x)                                        (((x) & 0x1FFF) << 12)
905 
906 #define R_028B54_VGT_SHADER_STAGES_EN                                 0x028B54
907 #define   S_028B54_HS_W32_EN(x)                                       (((x) & 0x1) << 21)
908 #define   S_028B54_GS_W32_EN(x)                                       (((x) & 0x1) << 22)
909 #define   S_028B54_VS_W32_EN(x)                                       (((x) & 0x1) << 23)
910 #define R_0286D8_SPI_PS_IN_CONTROL                                    0x0286D8
911 #define   S_0286D8_PS_W32_EN(x)                                       (((x) & 0x1) << 15)
912 #define R_00B800_COMPUTE_DISPATCH_INITIATOR                           0x00B800
913 #define   S_00B800_CS_W32_EN(x)                                       (((x) & 0x1) << 15)
914 
915 #define R_SPILLED_SGPRS         0x4
916 #define R_SPILLED_VGPRS         0x8
917 } // End namespace llvm
918 
919 #endif
920