1 //===-- SIDefines.h - SI Helper Macros ----------------------*- C++ -*-===//
2 //
3 //                     The LLVM Compiler Infrastructure
4 //
5 // This file is distributed under the University of Illinois Open Source
6 // License. See LICENSE.TXT for details.
7 //
8 /// \file
9 //===----------------------------------------------------------------------===//
10 
11 #include "llvm/MC/MCInstrDesc.h"
12 
13 #ifndef LLVM_LIB_TARGET_AMDGPU_SIDEFINES_H
14 #define LLVM_LIB_TARGET_AMDGPU_SIDEFINES_H
15 
16 namespace SIInstrFlags {
17 // This needs to be kept in sync with the field bits in InstSI.
18 enum {
19   SALU = 1 << 3,
20   VALU = 1 << 4,
21 
22   SOP1 = 1 << 5,
23   SOP2 = 1 << 6,
24   SOPC = 1 << 7,
25   SOPK = 1 << 8,
26   SOPP = 1 << 9,
27 
28   VOP1 = 1 << 10,
29   VOP2 = 1 << 11,
30   VOP3 = 1 << 12,
31   VOPC = 1 << 13,
32   SDWA = 1 << 14,
33   DPP = 1 << 15,
34 
35   MUBUF = 1 << 16,
36   MTBUF = 1 << 17,
37   SMRD = 1 << 18,
38   DS = 1 << 19,
39   MIMG = 1 << 20,
40   FLAT = 1 << 21,
41   WQM = 1 << 22,
42   VGPRSpill = 1 << 23,
43   VOPAsmPrefer32Bit = 1 << 24
44 };
45 }
46 
47 namespace llvm {
48 namespace AMDGPU {
49   enum OperandType {
50     /// Operand with register or 32-bit immediate
51     OPERAND_REG_IMM32 = MCOI::OPERAND_FIRST_TARGET,
52     /// Operand with register or inline constant
53     OPERAND_REG_INLINE_C,
54 
55     /// Operand with 32-bit immediate that uses the constant bus. The standard
56     /// OPERAND_IMMEDIATE should be used for special immediates such as source
57     /// modifiers.
58     OPERAND_KIMM32
59   };
60 }
61 }
62 
63 namespace SIInstrFlags {
64   enum Flags {
65     // First 4 bits are the instruction encoding
66     VM_CNT = 1 << 0,
67     EXP_CNT = 1 << 1,
68     LGKM_CNT = 1 << 2
69   };
70 
71   // v_cmp_class_* etc. use a 10-bit mask for what operation is checked.
72   // The result is true if any of these tests are true.
73   enum ClassFlags {
74     S_NAN = 1 << 0,        // Signaling NaN
75     Q_NAN = 1 << 1,        // Quiet NaN
76     N_INFINITY = 1 << 2,   // Negative infinity
77     N_NORMAL = 1 << 3,     // Negative normal
78     N_SUBNORMAL = 1 << 4,  // Negative subnormal
79     N_ZERO = 1 << 5,       // Negative zero
80     P_ZERO = 1 << 6,       // Positive zero
81     P_SUBNORMAL = 1 << 7,  // Positive subnormal
82     P_NORMAL = 1 << 8,     // Positive normal
83     P_INFINITY = 1 << 9    // Positive infinity
84   };
85 }
86 
87 // Input operand modifiers bit-masks
88 // NEG and SEXT share same bit-mask because they can't be set simultaneously.
89 namespace SISrcMods {
90   enum {
91    NEG = 1 << 0,  // Floating-point negate modifier
92    ABS = 1 << 1,  // Floating-point absolute modifier
93    SEXT = 1 << 0  // Integer sign-extend modifier
94   };
95 }
96 
97 namespace SIOutMods {
98   enum {
99     NONE = 0,
100     MUL2 = 1,
101     MUL4 = 2,
102     DIV2 = 3
103   };
104 }
105 
106 namespace llvm {
107 namespace AMDGPU {
108 namespace EncValues { // Encoding values of enum9/8/7 operands
109 
110 enum {
111   SGPR_MIN = 0,
112   SGPR_MAX = 101,
113   TTMP_MIN = 112,
114   TTMP_MAX = 123,
115   INLINE_INTEGER_C_MIN = 128,
116   INLINE_INTEGER_C_POSITIVE_MAX = 192, // 64
117   INLINE_INTEGER_C_MAX = 208,
118   INLINE_FLOATING_C_MIN = 240,
119   INLINE_FLOATING_C_MAX = 248,
120   LITERAL_CONST = 255,
121   VGPR_MIN = 256,
122   VGPR_MAX = 511
123 };
124 
125 } // namespace EncValues
126 } // namespace AMDGPU
127 } // namespace llvm
128 
129 namespace llvm {
130 namespace AMDGPU {
131 namespace SendMsg { // Encoding of SIMM16 used in s_sendmsg* insns.
132 
133 enum Id { // Message ID, width(4) [3:0].
134   ID_UNKNOWN_ = -1,
135   ID_INTERRUPT = 1,
136   ID_GS,
137   ID_GS_DONE,
138   ID_SYSMSG = 15,
139   ID_GAPS_LAST_, // Indicate that sequence has gaps.
140   ID_GAPS_FIRST_ = ID_INTERRUPT,
141   ID_SHIFT_ = 0,
142   ID_WIDTH_ = 4,
143   ID_MASK_ = (((1 << ID_WIDTH_) - 1) << ID_SHIFT_)
144 };
145 
146 enum Op { // Both GS and SYS operation IDs.
147   OP_UNKNOWN_ = -1,
148   OP_SHIFT_ = 4,
149   // width(2) [5:4]
150   OP_GS_NOP = 0,
151   OP_GS_CUT,
152   OP_GS_EMIT,
153   OP_GS_EMIT_CUT,
154   OP_GS_LAST_,
155   OP_GS_FIRST_ = OP_GS_NOP,
156   OP_GS_WIDTH_ = 2,
157   OP_GS_MASK_ = (((1 << OP_GS_WIDTH_) - 1) << OP_SHIFT_),
158   // width(3) [6:4]
159   OP_SYS_ECC_ERR_INTERRUPT = 1,
160   OP_SYS_REG_RD,
161   OP_SYS_HOST_TRAP_ACK,
162   OP_SYS_TTRACE_PC,
163   OP_SYS_LAST_,
164   OP_SYS_FIRST_ = OP_SYS_ECC_ERR_INTERRUPT,
165   OP_SYS_WIDTH_ = 3,
166   OP_SYS_MASK_ = (((1 << OP_SYS_WIDTH_) - 1) << OP_SHIFT_)
167 };
168 
169 enum StreamId { // Stream ID, (2) [9:8].
170   STREAM_ID_DEFAULT_ = 0,
171   STREAM_ID_LAST_ = 4,
172   STREAM_ID_FIRST_ = STREAM_ID_DEFAULT_,
173   STREAM_ID_SHIFT_ = 8,
174   STREAM_ID_WIDTH_=  2,
175   STREAM_ID_MASK_ = (((1 << STREAM_ID_WIDTH_) - 1) << STREAM_ID_SHIFT_)
176 };
177 
178 } // namespace SendMsg
179 
180 namespace Hwreg { // Encoding of SIMM16 used in s_setreg/getreg* insns.
181 
182 enum Id { // HwRegCode, (6) [5:0]
183   ID_UNKNOWN_ = -1,
184   ID_SYMBOLIC_FIRST_ = 1, // There are corresponding symbolic names defined.
185   ID_SYMBOLIC_LAST_ = 8,
186   ID_SHIFT_ = 0,
187   ID_WIDTH_ = 6,
188   ID_MASK_ = (((1 << ID_WIDTH_) - 1) << ID_SHIFT_)
189 };
190 
191 enum Offset { // Offset, (5) [10:6]
192   OFFSET_DEFAULT_ = 0,
193   OFFSET_SHIFT_ = 6,
194   OFFSET_WIDTH_ = 5,
195   OFFSET_MASK_ = (((1 << OFFSET_WIDTH_) - 1) << OFFSET_SHIFT_)
196 };
197 
198 enum WidthMinusOne { // WidthMinusOne, (5) [15:11]
199   WIDTH_M1_DEFAULT_ = 31,
200   WIDTH_M1_SHIFT_ = 11,
201   WIDTH_M1_WIDTH_ = 5,
202   WIDTH_M1_MASK_ = (((1 << WIDTH_M1_WIDTH_) - 1) << WIDTH_M1_SHIFT_)
203 };
204 
205 } // namespace Hwreg
206 } // namespace AMDGPU
207 } // namespace llvm
208 
209 #define R_00B028_SPI_SHADER_PGM_RSRC1_PS                                0x00B028
210 #define R_00B02C_SPI_SHADER_PGM_RSRC2_PS                                0x00B02C
211 #define   S_00B02C_EXTRA_LDS_SIZE(x)                                  (((x) & 0xFF) << 8)
212 #define R_00B128_SPI_SHADER_PGM_RSRC1_VS                                0x00B128
213 #define R_00B228_SPI_SHADER_PGM_RSRC1_GS                                0x00B228
214 #define R_00B848_COMPUTE_PGM_RSRC1                                      0x00B848
215 #define   S_00B028_VGPRS(x)                                           (((x) & 0x3F) << 0)
216 #define   S_00B028_SGPRS(x)                                           (((x) & 0x0F) << 6)
217 
218 #define R_00B84C_COMPUTE_PGM_RSRC2                                      0x00B84C
219 #define   S_00B84C_SCRATCH_EN(x)                                      (((x) & 0x1) << 0)
220 #define   G_00B84C_SCRATCH_EN(x)                                      (((x) >> 0) & 0x1)
221 #define   C_00B84C_SCRATCH_EN                                         0xFFFFFFFE
222 #define   S_00B84C_USER_SGPR(x)                                       (((x) & 0x1F) << 1)
223 #define   G_00B84C_USER_SGPR(x)                                       (((x) >> 1) & 0x1F)
224 #define   C_00B84C_USER_SGPR                                          0xFFFFFFC1
225 #define   S_00B84C_TGID_X_EN(x)                                       (((x) & 0x1) << 7)
226 #define   G_00B84C_TGID_X_EN(x)                                       (((x) >> 7) & 0x1)
227 #define   C_00B84C_TGID_X_EN                                          0xFFFFFF7F
228 #define   S_00B84C_TGID_Y_EN(x)                                       (((x) & 0x1) << 8)
229 #define   G_00B84C_TGID_Y_EN(x)                                       (((x) >> 8) & 0x1)
230 #define   C_00B84C_TGID_Y_EN                                          0xFFFFFEFF
231 #define   S_00B84C_TGID_Z_EN(x)                                       (((x) & 0x1) << 9)
232 #define   G_00B84C_TGID_Z_EN(x)                                       (((x) >> 9) & 0x1)
233 #define   C_00B84C_TGID_Z_EN                                          0xFFFFFDFF
234 #define   S_00B84C_TG_SIZE_EN(x)                                      (((x) & 0x1) << 10)
235 #define   G_00B84C_TG_SIZE_EN(x)                                      (((x) >> 10) & 0x1)
236 #define   C_00B84C_TG_SIZE_EN                                         0xFFFFFBFF
237 #define   S_00B84C_TIDIG_COMP_CNT(x)                                  (((x) & 0x03) << 11)
238 #define   G_00B84C_TIDIG_COMP_CNT(x)                                  (((x) >> 11) & 0x03)
239 #define   C_00B84C_TIDIG_COMP_CNT                                     0xFFFFE7FF
240 /* CIK */
241 #define   S_00B84C_EXCP_EN_MSB(x)                                     (((x) & 0x03) << 13)
242 #define   G_00B84C_EXCP_EN_MSB(x)                                     (((x) >> 13) & 0x03)
243 #define   C_00B84C_EXCP_EN_MSB                                        0xFFFF9FFF
244 /*     */
245 #define   S_00B84C_LDS_SIZE(x)                                        (((x) & 0x1FF) << 15)
246 #define   G_00B84C_LDS_SIZE(x)                                        (((x) >> 15) & 0x1FF)
247 #define   C_00B84C_LDS_SIZE                                           0xFF007FFF
248 #define   S_00B84C_EXCP_EN(x)                                         (((x) & 0x7F) << 24)
249 #define   G_00B84C_EXCP_EN(x)                                         (((x) >> 24) & 0x7F)
250 #define   C_00B84C_EXCP_EN
251 
252 #define R_0286CC_SPI_PS_INPUT_ENA                                       0x0286CC
253 #define R_0286D0_SPI_PS_INPUT_ADDR                                      0x0286D0
254 
255 #define R_00B848_COMPUTE_PGM_RSRC1                                      0x00B848
256 #define   S_00B848_VGPRS(x)                                           (((x) & 0x3F) << 0)
257 #define   G_00B848_VGPRS(x)                                           (((x) >> 0) & 0x3F)
258 #define   C_00B848_VGPRS                                              0xFFFFFFC0
259 #define   S_00B848_SGPRS(x)                                           (((x) & 0x0F) << 6)
260 #define   G_00B848_SGPRS(x)                                           (((x) >> 6) & 0x0F)
261 #define   C_00B848_SGPRS                                              0xFFFFFC3F
262 #define   S_00B848_PRIORITY(x)                                        (((x) & 0x03) << 10)
263 #define   G_00B848_PRIORITY(x)                                        (((x) >> 10) & 0x03)
264 #define   C_00B848_PRIORITY                                           0xFFFFF3FF
265 #define   S_00B848_FLOAT_MODE(x)                                      (((x) & 0xFF) << 12)
266 #define   G_00B848_FLOAT_MODE(x)                                      (((x) >> 12) & 0xFF)
267 #define   C_00B848_FLOAT_MODE                                         0xFFF00FFF
268 #define   S_00B848_PRIV(x)                                            (((x) & 0x1) << 20)
269 #define   G_00B848_PRIV(x)                                            (((x) >> 20) & 0x1)
270 #define   C_00B848_PRIV                                               0xFFEFFFFF
271 #define   S_00B848_DX10_CLAMP(x)                                      (((x) & 0x1) << 21)
272 #define   G_00B848_DX10_CLAMP(x)                                      (((x) >> 21) & 0x1)
273 #define   C_00B848_DX10_CLAMP                                         0xFFDFFFFF
274 #define   S_00B848_DEBUG_MODE(x)                                      (((x) & 0x1) << 22)
275 #define   G_00B848_DEBUG_MODE(x)                                      (((x) >> 22) & 0x1)
276 #define   C_00B848_DEBUG_MODE                                         0xFFBFFFFF
277 #define   S_00B848_IEEE_MODE(x)                                       (((x) & 0x1) << 23)
278 #define   G_00B848_IEEE_MODE(x)                                       (((x) >> 23) & 0x1)
279 #define   C_00B848_IEEE_MODE                                          0xFF7FFFFF
280 
281 
282 // Helpers for setting FLOAT_MODE
283 #define FP_ROUND_ROUND_TO_NEAREST 0
284 #define FP_ROUND_ROUND_TO_INF 1
285 #define FP_ROUND_ROUND_TO_NEGINF 2
286 #define FP_ROUND_ROUND_TO_ZERO 3
287 
288 // Bits 3:0 control rounding mode. 1:0 control single precision, 3:2 double
289 // precision.
290 #define FP_ROUND_MODE_SP(x) ((x) & 0x3)
291 #define FP_ROUND_MODE_DP(x) (((x) & 0x3) << 2)
292 
293 #define FP_DENORM_FLUSH_IN_FLUSH_OUT 0
294 #define FP_DENORM_FLUSH_OUT 1
295 #define FP_DENORM_FLUSH_IN 2
296 #define FP_DENORM_FLUSH_NONE 3
297 
298 
299 // Bits 7:4 control denormal handling. 5:4 control single precision, 6:7 double
300 // precision.
301 #define FP_DENORM_MODE_SP(x) (((x) & 0x3) << 4)
302 #define FP_DENORM_MODE_DP(x) (((x) & 0x3) << 6)
303 
304 #define R_00B860_COMPUTE_TMPRING_SIZE                                   0x00B860
305 #define   S_00B860_WAVESIZE(x)                                        (((x) & 0x1FFF) << 12)
306 
307 #define R_0286E8_SPI_TMPRING_SIZE                                       0x0286E8
308 #define   S_0286E8_WAVESIZE(x)                                        (((x) & 0x1FFF) << 12)
309 
310 
311 #endif
312