2 * MIPS32 emulation for qemu: main translation routines.
4 * Copyright (c) 2004-2005 Jocelyn Mayer
5 * Copyright (c) 2006 Marius Groeger (FPU operations)
6 * Copyright (c) 2006 Thiemo Seufer (MIPS32R2 support)
7 * Copyright (c) 2009 CodeSourcery (MIPS16 and microMIPS support)
9 * This library is free software; you can redistribute it and/or
10 * modify it under the terms of the GNU Lesser General Public
11 * License as published by the Free Software Foundation; either
12 * version 2 of the License, or (at your option) any later version.
14 * This library is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
17 * Lesser General Public License for more details.
19 * You should have received a copy of the GNU Lesser General Public
20 * License along with this library; if not, see <http://www.gnu.org/licenses/>.
33 #include "qemu-common.h"
39 //#define MIPS_DEBUG_DISAS
40 //#define MIPS_DEBUG_SIGN_EXTENSIONS
42 /* MIPS major opcodes */
43 #define MASK_OP_MAJOR(op) (op & (0x3F << 26))
46 /* indirect opcode tables */
47 OPC_SPECIAL = (0x00 << 26),
48 OPC_REGIMM = (0x01 << 26),
49 OPC_CP0 = (0x10 << 26),
50 OPC_CP1 = (0x11 << 26),
51 OPC_CP2 = (0x12 << 26),
52 OPC_CP3 = (0x13 << 26),
53 OPC_SPECIAL2 = (0x1C << 26),
54 OPC_SPECIAL3 = (0x1F << 26),
55 /* arithmetic with immediate */
56 OPC_ADDI = (0x08 << 26),
57 OPC_ADDIU = (0x09 << 26),
58 OPC_SLTI = (0x0A << 26),
59 OPC_SLTIU = (0x0B << 26),
60 /* logic with immediate */
61 OPC_ANDI = (0x0C << 26),
62 OPC_ORI = (0x0D << 26),
63 OPC_XORI = (0x0E << 26),
64 OPC_LUI = (0x0F << 26),
65 /* arithmetic with immediate */
66 OPC_DADDI = (0x18 << 26),
67 OPC_DADDIU = (0x19 << 26),
68 /* Jump and branches */
70 OPC_JAL = (0x03 << 26),
71 OPC_JALS = OPC_JAL | 0x5,
72 OPC_BEQ = (0x04 << 26), /* Unconditional if rs = rt = 0 (B) */
73 OPC_BEQL = (0x14 << 26),
74 OPC_BNE = (0x05 << 26),
75 OPC_BNEL = (0x15 << 26),
76 OPC_BLEZ = (0x06 << 26),
77 OPC_BLEZL = (0x16 << 26),
78 OPC_BGTZ = (0x07 << 26),
79 OPC_BGTZL = (0x17 << 26),
80 OPC_JALX = (0x1D << 26), /* MIPS 16 only */
81 OPC_JALXS = OPC_JALX | 0x5,
83 OPC_LDL = (0x1A << 26),
84 OPC_LDR = (0x1B << 26),
85 OPC_LB = (0x20 << 26),
86 OPC_LH = (0x21 << 26),
87 OPC_LWL = (0x22 << 26),
88 OPC_LW = (0x23 << 26),
89 OPC_LWPC = OPC_LW | 0x5,
90 OPC_LBU = (0x24 << 26),
91 OPC_LHU = (0x25 << 26),
92 OPC_LWR = (0x26 << 26),
93 OPC_LWU = (0x27 << 26),
94 OPC_SB = (0x28 << 26),
95 OPC_SH = (0x29 << 26),
96 OPC_SWL = (0x2A << 26),
97 OPC_SW = (0x2B << 26),
98 OPC_SDL = (0x2C << 26),
99 OPC_SDR = (0x2D << 26),
100 OPC_SWR = (0x2E << 26),
101 OPC_LL = (0x30 << 26),
102 OPC_LLD = (0x34 << 26),
103 OPC_LD = (0x37 << 26),
104 OPC_LDPC = OPC_LD | 0x5,
105 OPC_SC = (0x38 << 26),
106 OPC_SCD = (0x3C << 26),
107 OPC_SD = (0x3F << 26),
108 /* Floating point load/store */
109 OPC_LWC1 = (0x31 << 26),
110 OPC_LWC2 = (0x32 << 26),
111 OPC_LDC1 = (0x35 << 26),
112 OPC_LDC2 = (0x36 << 26),
113 OPC_SWC1 = (0x39 << 26),
114 OPC_SWC2 = (0x3A << 26),
115 OPC_SDC1 = (0x3D << 26),
116 OPC_SDC2 = (0x3E << 26),
117 /* MDMX ASE specific */
118 OPC_MDMX = (0x1E << 26),
119 /* Cache and prefetch */
120 OPC_CACHE = (0x2F << 26),
121 OPC_PREF = (0x33 << 26),
122 /* Reserved major opcode */
123 OPC_MAJOR3B_RESERVED = (0x3B << 26),
126 /* MIPS special opcodes */
127 #define MASK_SPECIAL(op) MASK_OP_MAJOR(op) | (op & 0x3F)
131 OPC_SLL = 0x00 | OPC_SPECIAL,
132 /* NOP is SLL r0, r0, 0 */
133 /* SSNOP is SLL r0, r0, 1 */
134 /* EHB is SLL r0, r0, 3 */
135 OPC_SRL = 0x02 | OPC_SPECIAL, /* also ROTR */
136 OPC_ROTR = OPC_SRL | (1 << 21),
137 OPC_SRA = 0x03 | OPC_SPECIAL,
138 OPC_SLLV = 0x04 | OPC_SPECIAL,
139 OPC_SRLV = 0x06 | OPC_SPECIAL, /* also ROTRV */
140 OPC_ROTRV = OPC_SRLV | (1 << 6),
141 OPC_SRAV = 0x07 | OPC_SPECIAL,
142 OPC_DSLLV = 0x14 | OPC_SPECIAL,
143 OPC_DSRLV = 0x16 | OPC_SPECIAL, /* also DROTRV */
144 OPC_DROTRV = OPC_DSRLV | (1 << 6),
145 OPC_DSRAV = 0x17 | OPC_SPECIAL,
146 OPC_DSLL = 0x38 | OPC_SPECIAL,
147 OPC_DSRL = 0x3A | OPC_SPECIAL, /* also DROTR */
148 OPC_DROTR = OPC_DSRL | (1 << 21),
149 OPC_DSRA = 0x3B | OPC_SPECIAL,
150 OPC_DSLL32 = 0x3C | OPC_SPECIAL,
151 OPC_DSRL32 = 0x3E | OPC_SPECIAL, /* also DROTR32 */
152 OPC_DROTR32 = OPC_DSRL32 | (1 << 21),
153 OPC_DSRA32 = 0x3F | OPC_SPECIAL,
154 /* Multiplication / division */
155 OPC_MULT = 0x18 | OPC_SPECIAL,
156 OPC_MULTU = 0x19 | OPC_SPECIAL,
157 OPC_DIV = 0x1A | OPC_SPECIAL,
158 OPC_DIVU = 0x1B | OPC_SPECIAL,
159 OPC_DMULT = 0x1C | OPC_SPECIAL,
160 OPC_DMULTU = 0x1D | OPC_SPECIAL,
161 OPC_DDIV = 0x1E | OPC_SPECIAL,
162 OPC_DDIVU = 0x1F | OPC_SPECIAL,
163 /* 2 registers arithmetic / logic */
164 OPC_ADD = 0x20 | OPC_SPECIAL,
165 OPC_ADDU = 0x21 | OPC_SPECIAL,
166 OPC_SUB = 0x22 | OPC_SPECIAL,
167 OPC_SUBU = 0x23 | OPC_SPECIAL,
168 OPC_AND = 0x24 | OPC_SPECIAL,
169 OPC_OR = 0x25 | OPC_SPECIAL,
170 OPC_XOR = 0x26 | OPC_SPECIAL,
171 OPC_NOR = 0x27 | OPC_SPECIAL,
172 OPC_SLT = 0x2A | OPC_SPECIAL,
173 OPC_SLTU = 0x2B | OPC_SPECIAL,
174 OPC_DADD = 0x2C | OPC_SPECIAL,
175 OPC_DADDU = 0x2D | OPC_SPECIAL,
176 OPC_DSUB = 0x2E | OPC_SPECIAL,
177 OPC_DSUBU = 0x2F | OPC_SPECIAL,
179 OPC_JR = 0x08 | OPC_SPECIAL, /* Also JR.HB */
180 OPC_JALR = 0x09 | OPC_SPECIAL, /* Also JALR.HB */
181 OPC_JALRC = OPC_JALR | (0x5 << 6),
182 OPC_JALRS = 0x10 | OPC_SPECIAL | (0x5 << 6),
184 OPC_TGE = 0x30 | OPC_SPECIAL,
185 OPC_TGEU = 0x31 | OPC_SPECIAL,
186 OPC_TLT = 0x32 | OPC_SPECIAL,
187 OPC_TLTU = 0x33 | OPC_SPECIAL,
188 OPC_TEQ = 0x34 | OPC_SPECIAL,
189 OPC_TNE = 0x36 | OPC_SPECIAL,
190 /* HI / LO registers load & stores */
191 OPC_MFHI = 0x10 | OPC_SPECIAL,
192 OPC_MTHI = 0x11 | OPC_SPECIAL,
193 OPC_MFLO = 0x12 | OPC_SPECIAL,
194 OPC_MTLO = 0x13 | OPC_SPECIAL,
195 /* Conditional moves */
196 OPC_MOVZ = 0x0A | OPC_SPECIAL,
197 OPC_MOVN = 0x0B | OPC_SPECIAL,
199 OPC_MOVCI = 0x01 | OPC_SPECIAL,
202 OPC_PMON = 0x05 | OPC_SPECIAL, /* unofficial */
203 OPC_SYSCALL = 0x0C | OPC_SPECIAL,
204 OPC_BREAK = 0x0D | OPC_SPECIAL,
205 OPC_SPIM = 0x0E | OPC_SPECIAL, /* unofficial */
206 OPC_SYNC = 0x0F | OPC_SPECIAL,
208 OPC_SPECIAL15_RESERVED = 0x15 | OPC_SPECIAL,
209 OPC_SPECIAL28_RESERVED = 0x28 | OPC_SPECIAL,
210 OPC_SPECIAL29_RESERVED = 0x29 | OPC_SPECIAL,
211 OPC_SPECIAL35_RESERVED = 0x35 | OPC_SPECIAL,
212 OPC_SPECIAL37_RESERVED = 0x37 | OPC_SPECIAL,
213 OPC_SPECIAL39_RESERVED = 0x39 | OPC_SPECIAL,
214 OPC_SPECIAL3D_RESERVED = 0x3D | OPC_SPECIAL,
217 /* Multiplication variants of the vr54xx. */
218 #define MASK_MUL_VR54XX(op) MASK_SPECIAL(op) | (op & (0x1F << 6))
221 OPC_VR54XX_MULS = (0x03 << 6) | OPC_MULT,
222 OPC_VR54XX_MULSU = (0x03 << 6) | OPC_MULTU,
223 OPC_VR54XX_MACC = (0x05 << 6) | OPC_MULT,
224 OPC_VR54XX_MACCU = (0x05 << 6) | OPC_MULTU,
225 OPC_VR54XX_MSAC = (0x07 << 6) | OPC_MULT,
226 OPC_VR54XX_MSACU = (0x07 << 6) | OPC_MULTU,
227 OPC_VR54XX_MULHI = (0x09 << 6) | OPC_MULT,
228 OPC_VR54XX_MULHIU = (0x09 << 6) | OPC_MULTU,
229 OPC_VR54XX_MULSHI = (0x0B << 6) | OPC_MULT,
230 OPC_VR54XX_MULSHIU = (0x0B << 6) | OPC_MULTU,
231 OPC_VR54XX_MACCHI = (0x0D << 6) | OPC_MULT,
232 OPC_VR54XX_MACCHIU = (0x0D << 6) | OPC_MULTU,
233 OPC_VR54XX_MSACHI = (0x0F << 6) | OPC_MULT,
234 OPC_VR54XX_MSACHIU = (0x0F << 6) | OPC_MULTU,
237 /* REGIMM (rt field) opcodes */
238 #define MASK_REGIMM(op) MASK_OP_MAJOR(op) | (op & (0x1F << 16))
241 OPC_BLTZ = (0x00 << 16) | OPC_REGIMM,
242 OPC_BLTZL = (0x02 << 16) | OPC_REGIMM,
243 OPC_BGEZ = (0x01 << 16) | OPC_REGIMM,
244 OPC_BGEZL = (0x03 << 16) | OPC_REGIMM,
245 OPC_BLTZAL = (0x10 << 16) | OPC_REGIMM,
246 OPC_BLTZALS = OPC_BLTZAL | 0x5, /* microMIPS */
247 OPC_BLTZALL = (0x12 << 16) | OPC_REGIMM,
248 OPC_BGEZAL = (0x11 << 16) | OPC_REGIMM,
249 OPC_BGEZALS = OPC_BGEZAL | 0x5, /* microMIPS */
250 OPC_BGEZALL = (0x13 << 16) | OPC_REGIMM,
251 OPC_TGEI = (0x08 << 16) | OPC_REGIMM,
252 OPC_TGEIU = (0x09 << 16) | OPC_REGIMM,
253 OPC_TLTI = (0x0A << 16) | OPC_REGIMM,
254 OPC_TLTIU = (0x0B << 16) | OPC_REGIMM,
255 OPC_TEQI = (0x0C << 16) | OPC_REGIMM,
256 OPC_TNEI = (0x0E << 16) | OPC_REGIMM,
257 OPC_SYNCI = (0x1F << 16) | OPC_REGIMM,
260 /* Special2 opcodes */
261 #define MASK_SPECIAL2(op) MASK_OP_MAJOR(op) | (op & 0x3F)
264 /* Multiply & xxx operations */
265 OPC_MADD = 0x00 | OPC_SPECIAL2,
266 OPC_MADDU = 0x01 | OPC_SPECIAL2,
267 OPC_MUL = 0x02 | OPC_SPECIAL2,
268 OPC_MSUB = 0x04 | OPC_SPECIAL2,
269 OPC_MSUBU = 0x05 | OPC_SPECIAL2,
271 OPC_MULT_G_2F = 0x10 | OPC_SPECIAL2,
272 OPC_DMULT_G_2F = 0x11 | OPC_SPECIAL2,
273 OPC_MULTU_G_2F = 0x12 | OPC_SPECIAL2,
274 OPC_DMULTU_G_2F = 0x13 | OPC_SPECIAL2,
275 OPC_DIV_G_2F = 0x14 | OPC_SPECIAL2,
276 OPC_DDIV_G_2F = 0x15 | OPC_SPECIAL2,
277 OPC_DIVU_G_2F = 0x16 | OPC_SPECIAL2,
278 OPC_DDIVU_G_2F = 0x17 | OPC_SPECIAL2,
279 OPC_MOD_G_2F = 0x1c | OPC_SPECIAL2,
280 OPC_DMOD_G_2F = 0x1d | OPC_SPECIAL2,
281 OPC_MODU_G_2F = 0x1e | OPC_SPECIAL2,
282 OPC_DMODU_G_2F = 0x1f | OPC_SPECIAL2,
284 OPC_CLZ = 0x20 | OPC_SPECIAL2,
285 OPC_CLO = 0x21 | OPC_SPECIAL2,
286 OPC_DCLZ = 0x24 | OPC_SPECIAL2,
287 OPC_DCLO = 0x25 | OPC_SPECIAL2,
289 OPC_SDBBP = 0x3F | OPC_SPECIAL2,
292 /* Special3 opcodes */
293 #define MASK_SPECIAL3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
296 OPC_EXT = 0x00 | OPC_SPECIAL3,
297 OPC_DEXTM = 0x01 | OPC_SPECIAL3,
298 OPC_DEXTU = 0x02 | OPC_SPECIAL3,
299 OPC_DEXT = 0x03 | OPC_SPECIAL3,
300 OPC_INS = 0x04 | OPC_SPECIAL3,
301 OPC_DINSM = 0x05 | OPC_SPECIAL3,
302 OPC_DINSU = 0x06 | OPC_SPECIAL3,
303 OPC_DINS = 0x07 | OPC_SPECIAL3,
304 OPC_FORK = 0x08 | OPC_SPECIAL3,
305 OPC_YIELD = 0x09 | OPC_SPECIAL3,
306 OPC_BSHFL = 0x20 | OPC_SPECIAL3,
307 OPC_DBSHFL = 0x24 | OPC_SPECIAL3,
308 OPC_RDHWR = 0x3B | OPC_SPECIAL3,
311 OPC_MULT_G_2E = 0x18 | OPC_SPECIAL3,
312 OPC_MULTU_G_2E = 0x19 | OPC_SPECIAL3,
313 OPC_DIV_G_2E = 0x1A | OPC_SPECIAL3,
314 OPC_DIVU_G_2E = 0x1B | OPC_SPECIAL3,
315 OPC_DMULT_G_2E = 0x1C | OPC_SPECIAL3,
316 OPC_DMULTU_G_2E = 0x1D | OPC_SPECIAL3,
317 OPC_DDIV_G_2E = 0x1E | OPC_SPECIAL3,
318 OPC_DDIVU_G_2E = 0x1F | OPC_SPECIAL3,
319 OPC_MOD_G_2E = 0x22 | OPC_SPECIAL3,
320 OPC_MODU_G_2E = 0x23 | OPC_SPECIAL3,
321 OPC_DMOD_G_2E = 0x26 | OPC_SPECIAL3,
322 OPC_DMODU_G_2E = 0x27 | OPC_SPECIAL3,
326 #define MASK_BSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
329 OPC_WSBH = (0x02 << 6) | OPC_BSHFL,
330 OPC_SEB = (0x10 << 6) | OPC_BSHFL,
331 OPC_SEH = (0x18 << 6) | OPC_BSHFL,
335 #define MASK_DBSHFL(op) MASK_SPECIAL3(op) | (op & (0x1F << 6))
338 OPC_DSBH = (0x02 << 6) | OPC_DBSHFL,
339 OPC_DSHD = (0x05 << 6) | OPC_DBSHFL,
342 /* Coprocessor 0 (rs field) */
343 #define MASK_CP0(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
346 OPC_MFC0 = (0x00 << 21) | OPC_CP0,
347 OPC_DMFC0 = (0x01 << 21) | OPC_CP0,
348 OPC_MTC0 = (0x04 << 21) | OPC_CP0,
349 OPC_DMTC0 = (0x05 << 21) | OPC_CP0,
350 OPC_MFTR = (0x08 << 21) | OPC_CP0,
351 OPC_RDPGPR = (0x0A << 21) | OPC_CP0,
352 OPC_MFMC0 = (0x0B << 21) | OPC_CP0,
353 OPC_MTTR = (0x0C << 21) | OPC_CP0,
354 OPC_WRPGPR = (0x0E << 21) | OPC_CP0,
355 OPC_C0 = (0x10 << 21) | OPC_CP0,
356 OPC_C0_FIRST = (0x10 << 21) | OPC_CP0,
357 OPC_C0_LAST = (0x1F << 21) | OPC_CP0,
361 #define MASK_MFMC0(op) MASK_CP0(op) | (op & 0xFFFF)
364 OPC_DMT = 0x01 | (0 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
365 OPC_EMT = 0x01 | (1 << 5) | (0x0F << 6) | (0x01 << 11) | OPC_MFMC0,
366 OPC_DVPE = 0x01 | (0 << 5) | OPC_MFMC0,
367 OPC_EVPE = 0x01 | (1 << 5) | OPC_MFMC0,
368 OPC_DI = (0 << 5) | (0x0C << 11) | OPC_MFMC0,
369 OPC_EI = (1 << 5) | (0x0C << 11) | OPC_MFMC0,
372 /* Coprocessor 0 (with rs == C0) */
373 #define MASK_C0(op) MASK_CP0(op) | (op & 0x3F)
376 OPC_TLBR = 0x01 | OPC_C0,
377 OPC_TLBWI = 0x02 | OPC_C0,
378 OPC_TLBWR = 0x06 | OPC_C0,
379 OPC_TLBP = 0x08 | OPC_C0,
380 OPC_RFE = 0x10 | OPC_C0,
381 OPC_ERET = 0x18 | OPC_C0,
382 OPC_DERET = 0x1F | OPC_C0,
383 OPC_WAIT = 0x20 | OPC_C0,
386 /* Coprocessor 1 (rs field) */
387 #define MASK_CP1(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
389 /* Values for the fmt field in FP instructions */
391 /* 0 - 15 are reserved */
392 FMT_S = 16, /* single fp */
393 FMT_D = 17, /* double fp */
394 FMT_E = 18, /* extended fp */
395 FMT_Q = 19, /* quad fp */
396 FMT_W = 20, /* 32-bit fixed */
397 FMT_L = 21, /* 64-bit fixed */
398 FMT_PS = 22, /* paired single fp */
399 /* 23 - 31 are reserved */
403 OPC_MFC1 = (0x00 << 21) | OPC_CP1,
404 OPC_DMFC1 = (0x01 << 21) | OPC_CP1,
405 OPC_CFC1 = (0x02 << 21) | OPC_CP1,
406 OPC_MFHC1 = (0x03 << 21) | OPC_CP1,
407 OPC_MTC1 = (0x04 << 21) | OPC_CP1,
408 OPC_DMTC1 = (0x05 << 21) | OPC_CP1,
409 OPC_CTC1 = (0x06 << 21) | OPC_CP1,
410 OPC_MTHC1 = (0x07 << 21) | OPC_CP1,
411 OPC_BC1 = (0x08 << 21) | OPC_CP1, /* bc */
412 OPC_BC1ANY2 = (0x09 << 21) | OPC_CP1,
413 OPC_BC1ANY4 = (0x0A << 21) | OPC_CP1,
414 OPC_S_FMT = (FMT_S << 21) | OPC_CP1,
415 OPC_D_FMT = (FMT_D << 21) | OPC_CP1,
416 OPC_E_FMT = (FMT_E << 21) | OPC_CP1,
417 OPC_Q_FMT = (FMT_Q << 21) | OPC_CP1,
418 OPC_W_FMT = (FMT_W << 21) | OPC_CP1,
419 OPC_L_FMT = (FMT_L << 21) | OPC_CP1,
420 OPC_PS_FMT = (FMT_PS << 21) | OPC_CP1,
423 #define MASK_CP1_FUNC(op) MASK_CP1(op) | (op & 0x3F)
424 #define MASK_BC1(op) MASK_CP1(op) | (op & (0x3 << 16))
427 OPC_BC1F = (0x00 << 16) | OPC_BC1,
428 OPC_BC1T = (0x01 << 16) | OPC_BC1,
429 OPC_BC1FL = (0x02 << 16) | OPC_BC1,
430 OPC_BC1TL = (0x03 << 16) | OPC_BC1,
434 OPC_BC1FANY2 = (0x00 << 16) | OPC_BC1ANY2,
435 OPC_BC1TANY2 = (0x01 << 16) | OPC_BC1ANY2,
439 OPC_BC1FANY4 = (0x00 << 16) | OPC_BC1ANY4,
440 OPC_BC1TANY4 = (0x01 << 16) | OPC_BC1ANY4,
443 #define MASK_CP2(op) MASK_OP_MAJOR(op) | (op & (0x1F << 21))
446 OPC_MFC2 = (0x00 << 21) | OPC_CP2,
447 OPC_DMFC2 = (0x01 << 21) | OPC_CP2,
448 OPC_CFC2 = (0x02 << 21) | OPC_CP2,
449 OPC_MFHC2 = (0x03 << 21) | OPC_CP2,
450 OPC_MTC2 = (0x04 << 21) | OPC_CP2,
451 OPC_DMTC2 = (0x05 << 21) | OPC_CP2,
452 OPC_CTC2 = (0x06 << 21) | OPC_CP2,
453 OPC_MTHC2 = (0x07 << 21) | OPC_CP2,
454 OPC_BC2 = (0x08 << 21) | OPC_CP2,
457 #define MASK_CP3(op) MASK_OP_MAJOR(op) | (op & 0x3F)
460 OPC_LWXC1 = 0x00 | OPC_CP3,
461 OPC_LDXC1 = 0x01 | OPC_CP3,
462 OPC_LUXC1 = 0x05 | OPC_CP3,
463 OPC_SWXC1 = 0x08 | OPC_CP3,
464 OPC_SDXC1 = 0x09 | OPC_CP3,
465 OPC_SUXC1 = 0x0D | OPC_CP3,
466 OPC_PREFX = 0x0F | OPC_CP3,
467 OPC_ALNV_PS = 0x1E | OPC_CP3,
468 OPC_MADD_S = 0x20 | OPC_CP3,
469 OPC_MADD_D = 0x21 | OPC_CP3,
470 OPC_MADD_PS = 0x26 | OPC_CP3,
471 OPC_MSUB_S = 0x28 | OPC_CP3,
472 OPC_MSUB_D = 0x29 | OPC_CP3,
473 OPC_MSUB_PS = 0x2E | OPC_CP3,
474 OPC_NMADD_S = 0x30 | OPC_CP3,
475 OPC_NMADD_D = 0x31 | OPC_CP3,
476 OPC_NMADD_PS= 0x36 | OPC_CP3,
477 OPC_NMSUB_S = 0x38 | OPC_CP3,
478 OPC_NMSUB_D = 0x39 | OPC_CP3,
479 OPC_NMSUB_PS= 0x3E | OPC_CP3,
482 /* global register indices */
483 static TCGv_ptr cpu_env;
484 static TCGv cpu_gpr[32], cpu_PC;
485 static TCGv cpu_HI[MIPS_DSP_ACC], cpu_LO[MIPS_DSP_ACC], cpu_ACX[MIPS_DSP_ACC];
486 static TCGv cpu_dspctrl, btarget, bcond;
487 static TCGv_i32 hflags;
488 static TCGv_i32 fpu_fcr0, fpu_fcr31;
490 static uint32_t gen_opc_hflags[OPC_BUF_SIZE];
492 #include "gen-icount.h"
494 #define gen_helper_0i(name, arg) do { \
495 TCGv_i32 helper_tmp = tcg_const_i32(arg); \
496 gen_helper_##name(helper_tmp); \
497 tcg_temp_free_i32(helper_tmp); \
500 #define gen_helper_1i(name, arg1, arg2) do { \
501 TCGv_i32 helper_tmp = tcg_const_i32(arg2); \
502 gen_helper_##name(arg1, helper_tmp); \
503 tcg_temp_free_i32(helper_tmp); \
506 #define gen_helper_2i(name, arg1, arg2, arg3) do { \
507 TCGv_i32 helper_tmp = tcg_const_i32(arg3); \
508 gen_helper_##name(arg1, arg2, helper_tmp); \
509 tcg_temp_free_i32(helper_tmp); \
512 #define gen_helper_3i(name, arg1, arg2, arg3, arg4) do { \
513 TCGv_i32 helper_tmp = tcg_const_i32(arg4); \
514 gen_helper_##name(arg1, arg2, arg3, helper_tmp); \
515 tcg_temp_free_i32(helper_tmp); \
518 typedef struct DisasContext {
519 struct TranslationBlock *tb;
520 target_ulong pc, saved_pc;
522 int singlestep_enabled;
523 /* Routine used to access memory */
525 uint32_t hflags, saved_hflags;
527 target_ulong btarget;
531 BS_NONE = 0, /* We go out of the TB without reaching a branch or an
532 * exception condition */
533 BS_STOP = 1, /* We want to stop translation for any reason */
534 BS_BRANCH = 2, /* We reached a branch condition */
535 BS_EXCP = 3, /* We reached an exception condition */
538 static const char *regnames[] =
539 { "r0", "at", "v0", "v1", "a0", "a1", "a2", "a3",
540 "t0", "t1", "t2", "t3", "t4", "t5", "t6", "t7",
541 "s0", "s1", "s2", "s3", "s4", "s5", "s6", "s7",
542 "t8", "t9", "k0", "k1", "gp", "sp", "s8", "ra", };
544 static const char *regnames_HI[] =
545 { "HI0", "HI1", "HI2", "HI3", };
547 static const char *regnames_LO[] =
548 { "LO0", "LO1", "LO2", "LO3", };
550 static const char *regnames_ACX[] =
551 { "ACX0", "ACX1", "ACX2", "ACX3", };
553 static const char *fregnames[] =
554 { "f0", "f1", "f2", "f3", "f4", "f5", "f6", "f7",
555 "f8", "f9", "f10", "f11", "f12", "f13", "f14", "f15",
556 "f16", "f17", "f18", "f19", "f20", "f21", "f22", "f23",
557 "f24", "f25", "f26", "f27", "f28", "f29", "f30", "f31", };
559 #ifdef MIPS_DEBUG_DISAS
560 #define MIPS_DEBUG(fmt, ...) \
561 qemu_log_mask(CPU_LOG_TB_IN_ASM, \
562 TARGET_FMT_lx ": %08x " fmt "\n", \
563 ctx->pc, ctx->opcode , ## __VA_ARGS__)
564 #define LOG_DISAS(...) qemu_log_mask(CPU_LOG_TB_IN_ASM, ## __VA_ARGS__)
566 #define MIPS_DEBUG(fmt, ...) do { } while(0)
567 #define LOG_DISAS(...) do { } while (0)
570 #define MIPS_INVAL(op) \
572 MIPS_DEBUG("Invalid %s %03x %03x %03x", op, ctx->opcode >> 26, \
573 ctx->opcode & 0x3F, ((ctx->opcode >> 16) & 0x1F)); \
576 /* General purpose registers moves. */
577 static inline void gen_load_gpr (TCGv t, int reg)
580 tcg_gen_movi_tl(t, 0);
582 tcg_gen_mov_tl(t, cpu_gpr[reg]);
585 static inline void gen_store_gpr (TCGv t, int reg)
588 tcg_gen_mov_tl(cpu_gpr[reg], t);
591 /* Moves to/from ACX register. */
592 static inline void gen_load_ACX (TCGv t, int reg)
594 tcg_gen_mov_tl(t, cpu_ACX[reg]);
597 static inline void gen_store_ACX (TCGv t, int reg)
599 tcg_gen_mov_tl(cpu_ACX[reg], t);
602 /* Moves to/from shadow registers. */
603 static inline void gen_load_srsgpr (int from, int to)
605 TCGv t0 = tcg_temp_new();
608 tcg_gen_movi_tl(t0, 0);
610 TCGv_i32 t2 = tcg_temp_new_i32();
611 TCGv_ptr addr = tcg_temp_new_ptr();
613 tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl));
614 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
615 tcg_gen_andi_i32(t2, t2, 0xf);
616 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
617 tcg_gen_ext_i32_ptr(addr, t2);
618 tcg_gen_add_ptr(addr, cpu_env, addr);
620 tcg_gen_ld_tl(t0, addr, sizeof(target_ulong) * from);
621 tcg_temp_free_ptr(addr);
622 tcg_temp_free_i32(t2);
624 gen_store_gpr(t0, to);
628 static inline void gen_store_srsgpr (int from, int to)
631 TCGv t0 = tcg_temp_new();
632 TCGv_i32 t2 = tcg_temp_new_i32();
633 TCGv_ptr addr = tcg_temp_new_ptr();
635 gen_load_gpr(t0, from);
636 tcg_gen_ld_i32(t2, cpu_env, offsetof(CPUState, CP0_SRSCtl));
637 tcg_gen_shri_i32(t2, t2, CP0SRSCtl_PSS);
638 tcg_gen_andi_i32(t2, t2, 0xf);
639 tcg_gen_muli_i32(t2, t2, sizeof(target_ulong) * 32);
640 tcg_gen_ext_i32_ptr(addr, t2);
641 tcg_gen_add_ptr(addr, cpu_env, addr);
643 tcg_gen_st_tl(t0, addr, sizeof(target_ulong) * to);
644 tcg_temp_free_ptr(addr);
645 tcg_temp_free_i32(t2);
650 /* Floating point register moves. */
651 static inline void gen_load_fpr32 (TCGv_i32 t, int reg)
653 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX]));
656 static inline void gen_store_fpr32 (TCGv_i32 t, int reg)
658 tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[FP_ENDIAN_IDX]));
661 static inline void gen_load_fpr32h (TCGv_i32 t, int reg)
663 tcg_gen_ld_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX]));
666 static inline void gen_store_fpr32h (TCGv_i32 t, int reg)
668 tcg_gen_st_i32(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].w[!FP_ENDIAN_IDX]));
671 static inline void gen_load_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg)
673 if (ctx->hflags & MIPS_HFLAG_F64) {
674 tcg_gen_ld_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d));
676 TCGv_i32 t0 = tcg_temp_new_i32();
677 TCGv_i32 t1 = tcg_temp_new_i32();
678 gen_load_fpr32(t0, reg & ~1);
679 gen_load_fpr32(t1, reg | 1);
680 tcg_gen_concat_i32_i64(t, t0, t1);
681 tcg_temp_free_i32(t0);
682 tcg_temp_free_i32(t1);
686 static inline void gen_store_fpr64 (DisasContext *ctx, TCGv_i64 t, int reg)
688 if (ctx->hflags & MIPS_HFLAG_F64) {
689 tcg_gen_st_i64(t, cpu_env, offsetof(CPUState, active_fpu.fpr[reg].d));
691 TCGv_i64 t0 = tcg_temp_new_i64();
692 TCGv_i32 t1 = tcg_temp_new_i32();
693 tcg_gen_trunc_i64_i32(t1, t);
694 gen_store_fpr32(t1, reg & ~1);
695 tcg_gen_shri_i64(t0, t, 32);
696 tcg_gen_trunc_i64_i32(t1, t0);
697 gen_store_fpr32(t1, reg | 1);
698 tcg_temp_free_i32(t1);
699 tcg_temp_free_i64(t0);
703 static inline int get_fp_bit (int cc)
712 static inline void gen_save_pc(target_ulong pc)
714 tcg_gen_movi_tl(cpu_PC, pc);
717 static inline void save_cpu_state (DisasContext *ctx, int do_save_pc)
719 LOG_DISAS("hflags %08x saved %08x\n", ctx->hflags, ctx->saved_hflags);
720 if (do_save_pc && ctx->pc != ctx->saved_pc) {
721 gen_save_pc(ctx->pc);
722 ctx->saved_pc = ctx->pc;
724 if (ctx->hflags != ctx->saved_hflags) {
725 tcg_gen_movi_i32(hflags, ctx->hflags);
726 ctx->saved_hflags = ctx->hflags;
727 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
733 tcg_gen_movi_tl(btarget, ctx->btarget);
739 static inline void restore_cpu_state (CPUState *env, DisasContext *ctx)
741 ctx->saved_hflags = ctx->hflags;
742 switch (ctx->hflags & MIPS_HFLAG_BMASK_BASE) {
748 ctx->btarget = env->btarget;
754 generate_exception_err (DisasContext *ctx, int excp, int err)
756 TCGv_i32 texcp = tcg_const_i32(excp);
757 TCGv_i32 terr = tcg_const_i32(err);
758 save_cpu_state(ctx, 1);
759 gen_helper_raise_exception_err(texcp, terr);
760 tcg_temp_free_i32(terr);
761 tcg_temp_free_i32(texcp);
765 generate_exception (DisasContext *ctx, int excp)
767 save_cpu_state(ctx, 1);
768 gen_helper_0i(raise_exception, excp);
771 /* Addresses computation */
772 static inline void gen_op_addr_add (DisasContext *ctx, TCGv ret, TCGv arg0, TCGv arg1)
774 tcg_gen_add_tl(ret, arg0, arg1);
776 #if defined(TARGET_MIPS64)
777 /* For compatibility with 32-bit code, data reference in user mode
778 with Status_UX = 0 should be casted to 32-bit and sign extended.
779 See the MIPS64 PRA manual, section 4.10. */
780 if (((ctx->hflags & MIPS_HFLAG_KSU) == MIPS_HFLAG_UM) &&
781 !(ctx->hflags & MIPS_HFLAG_UX)) {
782 tcg_gen_ext32s_i64(ret, ret);
787 static inline void check_cp0_enabled(DisasContext *ctx)
789 if (unlikely(!(ctx->hflags & MIPS_HFLAG_CP0)))
790 generate_exception_err(ctx, EXCP_CpU, 0);
793 static inline void check_cp1_enabled(DisasContext *ctx)
795 if (unlikely(!(ctx->hflags & MIPS_HFLAG_FPU)))
796 generate_exception_err(ctx, EXCP_CpU, 1);
799 /* Verify that the processor is running with COP1X instructions enabled.
800 This is associated with the nabla symbol in the MIPS32 and MIPS64
803 static inline void check_cop1x(DisasContext *ctx)
805 if (unlikely(!(ctx->hflags & MIPS_HFLAG_COP1X)))
806 generate_exception(ctx, EXCP_RI);
809 /* Verify that the processor is running with 64-bit floating-point
810 operations enabled. */
812 static inline void check_cp1_64bitmode(DisasContext *ctx)
814 if (unlikely(~ctx->hflags & (MIPS_HFLAG_F64 | MIPS_HFLAG_COP1X)))
815 generate_exception(ctx, EXCP_RI);
819 * Verify if floating point register is valid; an operation is not defined
820 * if bit 0 of any register specification is set and the FR bit in the
821 * Status register equals zero, since the register numbers specify an
822 * even-odd pair of adjacent coprocessor general registers. When the FR bit
823 * in the Status register equals one, both even and odd register numbers
824 * are valid. This limitation exists only for 64 bit wide (d,l,ps) registers.
826 * Multiple 64 bit wide registers can be checked by calling
827 * gen_op_cp1_registers(freg1 | freg2 | ... | fregN);
829 static inline void check_cp1_registers(DisasContext *ctx, int regs)
831 if (unlikely(!(ctx->hflags & MIPS_HFLAG_F64) && (regs & 1)))
832 generate_exception(ctx, EXCP_RI);
835 /* This code generates a "reserved instruction" exception if the
836 CPU does not support the instruction set corresponding to flags. */
837 static inline void check_insn(CPUState *env, DisasContext *ctx, int flags)
839 if (unlikely(!(env->insn_flags & flags)))
840 generate_exception(ctx, EXCP_RI);
843 /* This code generates a "reserved instruction" exception if 64-bit
844 instructions are not enabled. */
845 static inline void check_mips_64(DisasContext *ctx)
847 if (unlikely(!(ctx->hflags & MIPS_HFLAG_64)))
848 generate_exception(ctx, EXCP_RI);
851 /* Define small wrappers for gen_load_fpr* so that we have a uniform
852 calling interface for 32 and 64-bit FPRs. No sense in changing
853 all callers for gen_load_fpr32 when we need the CTX parameter for
855 #define gen_ldcmp_fpr32(ctx, x, y) gen_load_fpr32(x, y)
856 #define gen_ldcmp_fpr64(ctx, x, y) gen_load_fpr64(ctx, x, y)
857 #define FOP_CONDS(type, abs, fmt, ifmt, bits) \
858 static inline void gen_cmp ## type ## _ ## fmt(DisasContext *ctx, int n, \
859 int ft, int fs, int cc) \
861 TCGv_i##bits fp0 = tcg_temp_new_i##bits (); \
862 TCGv_i##bits fp1 = tcg_temp_new_i##bits (); \
865 check_cp1_64bitmode(ctx); \
871 check_cp1_registers(ctx, fs | ft); \
879 gen_ldcmp_fpr##bits (ctx, fp0, fs); \
880 gen_ldcmp_fpr##bits (ctx, fp1, ft); \
882 case 0: gen_helper_2i(cmp ## type ## _ ## fmt ## _f, fp0, fp1, cc); break;\
883 case 1: gen_helper_2i(cmp ## type ## _ ## fmt ## _un, fp0, fp1, cc); break;\
884 case 2: gen_helper_2i(cmp ## type ## _ ## fmt ## _eq, fp0, fp1, cc); break;\
885 case 3: gen_helper_2i(cmp ## type ## _ ## fmt ## _ueq, fp0, fp1, cc); break;\
886 case 4: gen_helper_2i(cmp ## type ## _ ## fmt ## _olt, fp0, fp1, cc); break;\
887 case 5: gen_helper_2i(cmp ## type ## _ ## fmt ## _ult, fp0, fp1, cc); break;\
888 case 6: gen_helper_2i(cmp ## type ## _ ## fmt ## _ole, fp0, fp1, cc); break;\
889 case 7: gen_helper_2i(cmp ## type ## _ ## fmt ## _ule, fp0, fp1, cc); break;\
890 case 8: gen_helper_2i(cmp ## type ## _ ## fmt ## _sf, fp0, fp1, cc); break;\
891 case 9: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngle, fp0, fp1, cc); break;\
892 case 10: gen_helper_2i(cmp ## type ## _ ## fmt ## _seq, fp0, fp1, cc); break;\
893 case 11: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngl, fp0, fp1, cc); break;\
894 case 12: gen_helper_2i(cmp ## type ## _ ## fmt ## _lt, fp0, fp1, cc); break;\
895 case 13: gen_helper_2i(cmp ## type ## _ ## fmt ## _nge, fp0, fp1, cc); break;\
896 case 14: gen_helper_2i(cmp ## type ## _ ## fmt ## _le, fp0, fp1, cc); break;\
897 case 15: gen_helper_2i(cmp ## type ## _ ## fmt ## _ngt, fp0, fp1, cc); break;\
900 tcg_temp_free_i##bits (fp0); \
901 tcg_temp_free_i##bits (fp1); \
904 FOP_CONDS(, 0, d, FMT_D, 64)
905 FOP_CONDS(abs, 1, d, FMT_D, 64)
906 FOP_CONDS(, 0, s, FMT_S, 32)
907 FOP_CONDS(abs, 1, s, FMT_S, 32)
908 FOP_CONDS(, 0, ps, FMT_PS, 64)
909 FOP_CONDS(abs, 1, ps, FMT_PS, 64)
911 #undef gen_ldcmp_fpr32
912 #undef gen_ldcmp_fpr64
914 /* load/store instructions. */
915 #define OP_LD(insn,fname) \
916 static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \
918 tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \
925 #if defined(TARGET_MIPS64)
931 #define OP_ST(insn,fname) \
932 static inline void op_st_##insn(TCGv arg1, TCGv arg2, DisasContext *ctx) \
934 tcg_gen_qemu_##fname(arg1, arg2, ctx->mem_idx); \
939 #if defined(TARGET_MIPS64)
944 #ifdef CONFIG_USER_ONLY
945 #define OP_LD_ATOMIC(insn,fname) \
946 static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \
948 TCGv t0 = tcg_temp_new(); \
949 tcg_gen_mov_tl(t0, arg1); \
950 tcg_gen_qemu_##fname(ret, arg1, ctx->mem_idx); \
951 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \
952 tcg_gen_st_tl(ret, cpu_env, offsetof(CPUState, llval)); \
956 #define OP_LD_ATOMIC(insn,fname) \
957 static inline void op_ld_##insn(TCGv ret, TCGv arg1, DisasContext *ctx) \
959 gen_helper_2i(insn, ret, arg1, ctx->mem_idx); \
962 OP_LD_ATOMIC(ll,ld32s);
963 #if defined(TARGET_MIPS64)
964 OP_LD_ATOMIC(lld,ld64);
968 #ifdef CONFIG_USER_ONLY
969 #define OP_ST_ATOMIC(insn,fname,ldname,almask) \
970 static inline void op_st_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \
972 TCGv t0 = tcg_temp_new(); \
973 int l1 = gen_new_label(); \
974 int l2 = gen_new_label(); \
976 tcg_gen_andi_tl(t0, arg2, almask); \
977 tcg_gen_brcondi_tl(TCG_COND_EQ, t0, 0, l1); \
978 tcg_gen_st_tl(arg2, cpu_env, offsetof(CPUState, CP0_BadVAddr)); \
979 generate_exception(ctx, EXCP_AdES); \
981 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, lladdr)); \
982 tcg_gen_brcond_tl(TCG_COND_NE, arg2, t0, l2); \
983 tcg_gen_movi_tl(t0, rt | ((almask << 3) & 0x20)); \
984 tcg_gen_st_tl(t0, cpu_env, offsetof(CPUState, llreg)); \
985 tcg_gen_st_tl(arg1, cpu_env, offsetof(CPUState, llnewval)); \
986 gen_helper_0i(raise_exception, EXCP_SC); \
988 tcg_gen_movi_tl(t0, 0); \
989 gen_store_gpr(t0, rt); \
993 #define OP_ST_ATOMIC(insn,fname,ldname,almask) \
994 static inline void op_st_##insn(TCGv arg1, TCGv arg2, int rt, DisasContext *ctx) \
996 TCGv t0 = tcg_temp_new(); \
997 gen_helper_3i(insn, t0, arg1, arg2, ctx->mem_idx); \
998 gen_store_gpr(t0, rt); \
1002 OP_ST_ATOMIC(sc,st32,ld32s,0x3);
1003 #if defined(TARGET_MIPS64)
1004 OP_ST_ATOMIC(scd,st64,ld64,0x7);
1008 static void gen_base_offset_addr (DisasContext *ctx, TCGv addr,
1009 int base, int16_t offset)
1012 tcg_gen_movi_tl(addr, offset);
1013 } else if (offset == 0) {
1014 gen_load_gpr(addr, base);
1016 tcg_gen_movi_tl(addr, offset);
1017 gen_op_addr_add(ctx, addr, cpu_gpr[base], addr);
1021 static target_ulong pc_relative_pc (DisasContext *ctx)
1023 target_ulong pc = ctx->pc;
1025 if (ctx->hflags & MIPS_HFLAG_BMASK) {
1026 int branch_bytes = ctx->hflags & MIPS_HFLAG_BDS16 ? 2 : 4;
1031 pc &= ~(target_ulong)3;
1036 static void gen_ld (CPUState *env, DisasContext *ctx, uint32_t opc,
1037 int rt, int base, int16_t offset)
1039 const char *opn = "ld";
1042 if (rt == 0 && env->insn_flags & (INSN_LOONGSON2E | INSN_LOONGSON2F)) {
1043 /* Loongson CPU uses a load to zero register for prefetch.
1044 We emulate it as a NOP. On other CPU we must perform the
1045 actual memory access. */
1050 t0 = tcg_temp_new();
1051 t1 = tcg_temp_new();
1052 gen_base_offset_addr(ctx, t0, base, offset);
1055 #if defined(TARGET_MIPS64)
1057 save_cpu_state(ctx, 0);
1058 op_ld_lwu(t0, t0, ctx);
1059 gen_store_gpr(t0, rt);
1063 save_cpu_state(ctx, 0);
1064 op_ld_ld(t0, t0, ctx);
1065 gen_store_gpr(t0, rt);
1069 save_cpu_state(ctx, 1);
1070 op_ld_lld(t0, t0, ctx);
1071 gen_store_gpr(t0, rt);
1075 save_cpu_state(ctx, 1);
1076 gen_load_gpr(t1, rt);
1077 gen_helper_3i(ldl, t1, t1, t0, ctx->mem_idx);
1078 gen_store_gpr(t1, rt);
1082 save_cpu_state(ctx, 1);
1083 gen_load_gpr(t1, rt);
1084 gen_helper_3i(ldr, t1, t1, t0, ctx->mem_idx);
1085 gen_store_gpr(t1, rt);
1089 save_cpu_state(ctx, 0);
1090 tcg_gen_movi_tl(t1, pc_relative_pc(ctx));
1091 gen_op_addr_add(ctx, t0, t0, t1);
1092 op_ld_ld(t0, t0, ctx);
1093 gen_store_gpr(t0, rt);
1098 save_cpu_state(ctx, 0);
1099 tcg_gen_movi_tl(t1, pc_relative_pc(ctx));
1100 gen_op_addr_add(ctx, t0, t0, t1);
1101 op_ld_lw(t0, t0, ctx);
1102 gen_store_gpr(t0, rt);
1106 save_cpu_state(ctx, 0);
1107 op_ld_lw(t0, t0, ctx);
1108 gen_store_gpr(t0, rt);
1112 save_cpu_state(ctx, 0);
1113 op_ld_lh(t0, t0, ctx);
1114 gen_store_gpr(t0, rt);
1118 save_cpu_state(ctx, 0);
1119 op_ld_lhu(t0, t0, ctx);
1120 gen_store_gpr(t0, rt);
1124 save_cpu_state(ctx, 0);
1125 op_ld_lb(t0, t0, ctx);
1126 gen_store_gpr(t0, rt);
1130 save_cpu_state(ctx, 0);
1131 op_ld_lbu(t0, t0, ctx);
1132 gen_store_gpr(t0, rt);
1136 save_cpu_state(ctx, 1);
1137 gen_load_gpr(t1, rt);
1138 gen_helper_3i(lwl, t1, t1, t0, ctx->mem_idx);
1139 gen_store_gpr(t1, rt);
1143 save_cpu_state(ctx, 1);
1144 gen_load_gpr(t1, rt);
1145 gen_helper_3i(lwr, t1, t1, t0, ctx->mem_idx);
1146 gen_store_gpr(t1, rt);
1150 save_cpu_state(ctx, 1);
1151 op_ld_ll(t0, t0, ctx);
1152 gen_store_gpr(t0, rt);
1156 (void)opn; /* avoid a compiler warning */
1157 MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
1163 static void gen_st (DisasContext *ctx, uint32_t opc, int rt,
1164 int base, int16_t offset)
1166 const char *opn = "st";
1167 TCGv t0 = tcg_temp_new();
1168 TCGv t1 = tcg_temp_new();
1170 gen_base_offset_addr(ctx, t0, base, offset);
1171 gen_load_gpr(t1, rt);
1173 #if defined(TARGET_MIPS64)
1175 save_cpu_state(ctx, 0);
1176 op_st_sd(t1, t0, ctx);
1180 save_cpu_state(ctx, 1);
1181 gen_helper_2i(sdl, t1, t0, ctx->mem_idx);
1185 save_cpu_state(ctx, 1);
1186 gen_helper_2i(sdr, t1, t0, ctx->mem_idx);
1191 save_cpu_state(ctx, 0);
1192 op_st_sw(t1, t0, ctx);
1196 save_cpu_state(ctx, 0);
1197 op_st_sh(t1, t0, ctx);
1201 save_cpu_state(ctx, 0);
1202 op_st_sb(t1, t0, ctx);
1206 save_cpu_state(ctx, 1);
1207 gen_helper_2i(swl, t1, t0, ctx->mem_idx);
1211 save_cpu_state(ctx, 1);
1212 gen_helper_2i(swr, t1, t0, ctx->mem_idx);
1216 (void)opn; /* avoid a compiler warning */
1217 MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
1223 /* Store conditional */
1224 static void gen_st_cond (DisasContext *ctx, uint32_t opc, int rt,
1225 int base, int16_t offset)
1227 const char *opn = "st_cond";
1230 t0 = tcg_temp_local_new();
1232 gen_base_offset_addr(ctx, t0, base, offset);
1233 /* Don't do NOP if destination is zero: we must perform the actual
1236 t1 = tcg_temp_local_new();
1237 gen_load_gpr(t1, rt);
1239 #if defined(TARGET_MIPS64)
1241 save_cpu_state(ctx, 1);
1242 op_st_scd(t1, t0, rt, ctx);
1247 save_cpu_state(ctx, 1);
1248 op_st_sc(t1, t0, rt, ctx);
1252 (void)opn; /* avoid a compiler warning */
1253 MIPS_DEBUG("%s %s, %d(%s)", opn, regnames[rt], offset, regnames[base]);
1258 /* Load and store */
1259 static void gen_flt_ldst (DisasContext *ctx, uint32_t opc, int ft,
1260 int base, int16_t offset)
1262 const char *opn = "flt_ldst";
1263 TCGv t0 = tcg_temp_new();
1265 gen_base_offset_addr(ctx, t0, base, offset);
1266 /* Don't do NOP if destination is zero: we must perform the actual
1271 TCGv_i32 fp0 = tcg_temp_new_i32();
1273 tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx);
1274 tcg_gen_trunc_tl_i32(fp0, t0);
1275 gen_store_fpr32(fp0, ft);
1276 tcg_temp_free_i32(fp0);
1282 TCGv_i32 fp0 = tcg_temp_new_i32();
1283 TCGv t1 = tcg_temp_new();
1285 gen_load_fpr32(fp0, ft);
1286 tcg_gen_extu_i32_tl(t1, fp0);
1287 tcg_gen_qemu_st32(t1, t0, ctx->mem_idx);
1289 tcg_temp_free_i32(fp0);
1295 TCGv_i64 fp0 = tcg_temp_new_i64();
1297 tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
1298 gen_store_fpr64(ctx, fp0, ft);
1299 tcg_temp_free_i64(fp0);
1305 TCGv_i64 fp0 = tcg_temp_new_i64();
1307 gen_load_fpr64(ctx, fp0, ft);
1308 tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
1309 tcg_temp_free_i64(fp0);
1315 generate_exception(ctx, EXCP_RI);
1318 (void)opn; /* avoid a compiler warning */
1319 MIPS_DEBUG("%s %s, %d(%s)", opn, fregnames[ft], offset, regnames[base]);
1324 static void gen_cop1_ldst(CPUState *env, DisasContext *ctx,
1325 uint32_t op, int rt, int rs, int16_t imm)
1327 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
1328 check_cp1_enabled(ctx);
1329 gen_flt_ldst(ctx, op, rt, rs, imm);
1331 generate_exception_err(ctx, EXCP_CpU, 1);
1335 /* Arithmetic with immediate operand */
1336 static void gen_arith_imm (CPUState *env, DisasContext *ctx, uint32_t opc,
1337 int rt, int rs, int16_t imm)
1339 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
1340 const char *opn = "imm arith";
1342 if (rt == 0 && opc != OPC_ADDI && opc != OPC_DADDI) {
1343 /* If no destination, treat it as a NOP.
1344 For addi, we must generate the overflow exception when needed. */
1351 TCGv t0 = tcg_temp_local_new();
1352 TCGv t1 = tcg_temp_new();
1353 TCGv t2 = tcg_temp_new();
1354 int l1 = gen_new_label();
1356 gen_load_gpr(t1, rs);
1357 tcg_gen_addi_tl(t0, t1, uimm);
1358 tcg_gen_ext32s_tl(t0, t0);
1360 tcg_gen_xori_tl(t1, t1, ~uimm);
1361 tcg_gen_xori_tl(t2, t0, uimm);
1362 tcg_gen_and_tl(t1, t1, t2);
1364 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1366 /* operands of same sign, result different sign */
1367 generate_exception(ctx, EXCP_OVERFLOW);
1369 tcg_gen_ext32s_tl(t0, t0);
1370 gen_store_gpr(t0, rt);
1377 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1378 tcg_gen_ext32s_tl(cpu_gpr[rt], cpu_gpr[rt]);
1380 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
1384 #if defined(TARGET_MIPS64)
1387 TCGv t0 = tcg_temp_local_new();
1388 TCGv t1 = tcg_temp_new();
1389 TCGv t2 = tcg_temp_new();
1390 int l1 = gen_new_label();
1392 gen_load_gpr(t1, rs);
1393 tcg_gen_addi_tl(t0, t1, uimm);
1395 tcg_gen_xori_tl(t1, t1, ~uimm);
1396 tcg_gen_xori_tl(t2, t0, uimm);
1397 tcg_gen_and_tl(t1, t1, t2);
1399 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1401 /* operands of same sign, result different sign */
1402 generate_exception(ctx, EXCP_OVERFLOW);
1404 gen_store_gpr(t0, rt);
1411 tcg_gen_addi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1413 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
1419 (void)opn; /* avoid a compiler warning */
1420 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1423 /* Logic with immediate operand */
1424 static void gen_logic_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm)
1427 const char *opn = "imm logic";
1430 /* If no destination, treat it as a NOP. */
1434 uimm = (uint16_t)imm;
1437 if (likely(rs != 0))
1438 tcg_gen_andi_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1440 tcg_gen_movi_tl(cpu_gpr[rt], 0);
1445 tcg_gen_ori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1447 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
1451 if (likely(rs != 0))
1452 tcg_gen_xori_tl(cpu_gpr[rt], cpu_gpr[rs], uimm);
1454 tcg_gen_movi_tl(cpu_gpr[rt], uimm);
1458 tcg_gen_movi_tl(cpu_gpr[rt], imm << 16);
1462 (void)opn; /* avoid a compiler warning */
1463 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1466 /* Set on less than with immediate operand */
1467 static void gen_slt_imm (CPUState *env, uint32_t opc, int rt, int rs, int16_t imm)
1469 target_ulong uimm = (target_long)imm; /* Sign extend to 32/64 bits */
1470 const char *opn = "imm arith";
1474 /* If no destination, treat it as a NOP. */
1478 t0 = tcg_temp_new();
1479 gen_load_gpr(t0, rs);
1482 tcg_gen_setcondi_tl(TCG_COND_LT, cpu_gpr[rt], t0, uimm);
1486 tcg_gen_setcondi_tl(TCG_COND_LTU, cpu_gpr[rt], t0, uimm);
1490 (void)opn; /* avoid a compiler warning */
1491 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1495 /* Shifts with immediate operand */
1496 static void gen_shift_imm(CPUState *env, DisasContext *ctx, uint32_t opc,
1497 int rt, int rs, int16_t imm)
1499 target_ulong uimm = ((uint16_t)imm) & 0x1f;
1500 const char *opn = "imm shift";
1504 /* If no destination, treat it as a NOP. */
1509 t0 = tcg_temp_new();
1510 gen_load_gpr(t0, rs);
1513 tcg_gen_shli_tl(t0, t0, uimm);
1514 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
1518 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
1523 tcg_gen_ext32u_tl(t0, t0);
1524 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
1526 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
1532 TCGv_i32 t1 = tcg_temp_new_i32();
1534 tcg_gen_trunc_tl_i32(t1, t0);
1535 tcg_gen_rotri_i32(t1, t1, uimm);
1536 tcg_gen_ext_i32_tl(cpu_gpr[rt], t1);
1537 tcg_temp_free_i32(t1);
1539 tcg_gen_ext32s_tl(cpu_gpr[rt], t0);
1543 #if defined(TARGET_MIPS64)
1545 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm);
1549 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm);
1553 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm);
1558 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm);
1560 tcg_gen_mov_tl(cpu_gpr[rt], t0);
1565 tcg_gen_shli_tl(cpu_gpr[rt], t0, uimm + 32);
1569 tcg_gen_sari_tl(cpu_gpr[rt], t0, uimm + 32);
1573 tcg_gen_shri_tl(cpu_gpr[rt], t0, uimm + 32);
1577 tcg_gen_rotri_tl(cpu_gpr[rt], t0, uimm + 32);
1582 (void)opn; /* avoid a compiler warning */
1583 MIPS_DEBUG("%s %s, %s, " TARGET_FMT_lx, opn, regnames[rt], regnames[rs], uimm);
1588 static void gen_arith (CPUState *env, DisasContext *ctx, uint32_t opc,
1589 int rd, int rs, int rt)
1591 const char *opn = "arith";
1593 if (rd == 0 && opc != OPC_ADD && opc != OPC_SUB
1594 && opc != OPC_DADD && opc != OPC_DSUB) {
1595 /* If no destination, treat it as a NOP.
1596 For add & sub, we must generate the overflow exception when needed. */
1604 TCGv t0 = tcg_temp_local_new();
1605 TCGv t1 = tcg_temp_new();
1606 TCGv t2 = tcg_temp_new();
1607 int l1 = gen_new_label();
1609 gen_load_gpr(t1, rs);
1610 gen_load_gpr(t2, rt);
1611 tcg_gen_add_tl(t0, t1, t2);
1612 tcg_gen_ext32s_tl(t0, t0);
1613 tcg_gen_xor_tl(t1, t1, t2);
1614 tcg_gen_xor_tl(t2, t0, t2);
1615 tcg_gen_andc_tl(t1, t2, t1);
1617 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1619 /* operands of same sign, result different sign */
1620 generate_exception(ctx, EXCP_OVERFLOW);
1622 gen_store_gpr(t0, rd);
1628 if (rs != 0 && rt != 0) {
1629 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1630 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
1631 } else if (rs == 0 && rt != 0) {
1632 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
1633 } else if (rs != 0 && rt == 0) {
1634 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1636 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1642 TCGv t0 = tcg_temp_local_new();
1643 TCGv t1 = tcg_temp_new();
1644 TCGv t2 = tcg_temp_new();
1645 int l1 = gen_new_label();
1647 gen_load_gpr(t1, rs);
1648 gen_load_gpr(t2, rt);
1649 tcg_gen_sub_tl(t0, t1, t2);
1650 tcg_gen_ext32s_tl(t0, t0);
1651 tcg_gen_xor_tl(t2, t1, t2);
1652 tcg_gen_xor_tl(t1, t0, t1);
1653 tcg_gen_and_tl(t1, t1, t2);
1655 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1657 /* operands of different sign, first operand and result different sign */
1658 generate_exception(ctx, EXCP_OVERFLOW);
1660 gen_store_gpr(t0, rd);
1666 if (rs != 0 && rt != 0) {
1667 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1668 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
1669 } else if (rs == 0 && rt != 0) {
1670 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
1671 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
1672 } else if (rs != 0 && rt == 0) {
1673 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1675 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1679 #if defined(TARGET_MIPS64)
1682 TCGv t0 = tcg_temp_local_new();
1683 TCGv t1 = tcg_temp_new();
1684 TCGv t2 = tcg_temp_new();
1685 int l1 = gen_new_label();
1687 gen_load_gpr(t1, rs);
1688 gen_load_gpr(t2, rt);
1689 tcg_gen_add_tl(t0, t1, t2);
1690 tcg_gen_xor_tl(t1, t1, t2);
1691 tcg_gen_xor_tl(t2, t0, t2);
1692 tcg_gen_andc_tl(t1, t2, t1);
1694 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1696 /* operands of same sign, result different sign */
1697 generate_exception(ctx, EXCP_OVERFLOW);
1699 gen_store_gpr(t0, rd);
1705 if (rs != 0 && rt != 0) {
1706 tcg_gen_add_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1707 } else if (rs == 0 && rt != 0) {
1708 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
1709 } else if (rs != 0 && rt == 0) {
1710 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1712 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1718 TCGv t0 = tcg_temp_local_new();
1719 TCGv t1 = tcg_temp_new();
1720 TCGv t2 = tcg_temp_new();
1721 int l1 = gen_new_label();
1723 gen_load_gpr(t1, rs);
1724 gen_load_gpr(t2, rt);
1725 tcg_gen_sub_tl(t0, t1, t2);
1726 tcg_gen_xor_tl(t2, t1, t2);
1727 tcg_gen_xor_tl(t1, t0, t1);
1728 tcg_gen_and_tl(t1, t1, t2);
1730 tcg_gen_brcondi_tl(TCG_COND_GE, t1, 0, l1);
1732 /* operands of different sign, first operand and result different sign */
1733 generate_exception(ctx, EXCP_OVERFLOW);
1735 gen_store_gpr(t0, rd);
1741 if (rs != 0 && rt != 0) {
1742 tcg_gen_sub_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1743 } else if (rs == 0 && rt != 0) {
1744 tcg_gen_neg_tl(cpu_gpr[rd], cpu_gpr[rt]);
1745 } else if (rs != 0 && rt == 0) {
1746 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1748 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1754 if (likely(rs != 0 && rt != 0)) {
1755 tcg_gen_mul_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1756 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
1758 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1763 (void)opn; /* avoid a compiler warning */
1764 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1767 /* Conditional move */
1768 static void gen_cond_move (CPUState *env, uint32_t opc, int rd, int rs, int rt)
1770 const char *opn = "cond move";
1774 /* If no destination, treat it as a NOP.
1775 For add & sub, we must generate the overflow exception when needed. */
1780 l1 = gen_new_label();
1783 if (likely(rt != 0))
1784 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[rt], 0, l1);
1790 if (likely(rt != 0))
1791 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[rt], 0, l1);
1796 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1798 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1801 (void)opn; /* avoid a compiler warning */
1802 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1806 static void gen_logic (CPUState *env, uint32_t opc, int rd, int rs, int rt)
1808 const char *opn = "logic";
1811 /* If no destination, treat it as a NOP. */
1818 if (likely(rs != 0 && rt != 0)) {
1819 tcg_gen_and_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1821 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1826 if (rs != 0 && rt != 0) {
1827 tcg_gen_nor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1828 } else if (rs == 0 && rt != 0) {
1829 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rt]);
1830 } else if (rs != 0 && rt == 0) {
1831 tcg_gen_not_tl(cpu_gpr[rd], cpu_gpr[rs]);
1833 tcg_gen_movi_tl(cpu_gpr[rd], ~((target_ulong)0));
1838 if (likely(rs != 0 && rt != 0)) {
1839 tcg_gen_or_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1840 } else if (rs == 0 && rt != 0) {
1841 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
1842 } else if (rs != 0 && rt == 0) {
1843 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1845 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1850 if (likely(rs != 0 && rt != 0)) {
1851 tcg_gen_xor_tl(cpu_gpr[rd], cpu_gpr[rs], cpu_gpr[rt]);
1852 } else if (rs == 0 && rt != 0) {
1853 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rt]);
1854 } else if (rs != 0 && rt == 0) {
1855 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
1857 tcg_gen_movi_tl(cpu_gpr[rd], 0);
1862 (void)opn; /* avoid a compiler warning */
1863 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1866 /* Set on lower than */
1867 static void gen_slt (CPUState *env, uint32_t opc, int rd, int rs, int rt)
1869 const char *opn = "slt";
1873 /* If no destination, treat it as a NOP. */
1878 t0 = tcg_temp_new();
1879 t1 = tcg_temp_new();
1880 gen_load_gpr(t0, rs);
1881 gen_load_gpr(t1, rt);
1884 tcg_gen_setcond_tl(TCG_COND_LT, cpu_gpr[rd], t0, t1);
1888 tcg_gen_setcond_tl(TCG_COND_LTU, cpu_gpr[rd], t0, t1);
1892 (void)opn; /* avoid a compiler warning */
1893 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1899 static void gen_shift (CPUState *env, DisasContext *ctx, uint32_t opc,
1900 int rd, int rs, int rt)
1902 const char *opn = "shifts";
1906 /* If no destination, treat it as a NOP.
1907 For add & sub, we must generate the overflow exception when needed. */
1912 t0 = tcg_temp_new();
1913 t1 = tcg_temp_new();
1914 gen_load_gpr(t0, rs);
1915 gen_load_gpr(t1, rt);
1918 tcg_gen_andi_tl(t0, t0, 0x1f);
1919 tcg_gen_shl_tl(t0, t1, t0);
1920 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
1924 tcg_gen_andi_tl(t0, t0, 0x1f);
1925 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
1929 tcg_gen_ext32u_tl(t1, t1);
1930 tcg_gen_andi_tl(t0, t0, 0x1f);
1931 tcg_gen_shr_tl(t0, t1, t0);
1932 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
1937 TCGv_i32 t2 = tcg_temp_new_i32();
1938 TCGv_i32 t3 = tcg_temp_new_i32();
1940 tcg_gen_trunc_tl_i32(t2, t0);
1941 tcg_gen_trunc_tl_i32(t3, t1);
1942 tcg_gen_andi_i32(t2, t2, 0x1f);
1943 tcg_gen_rotr_i32(t2, t3, t2);
1944 tcg_gen_ext_i32_tl(cpu_gpr[rd], t2);
1945 tcg_temp_free_i32(t2);
1946 tcg_temp_free_i32(t3);
1950 #if defined(TARGET_MIPS64)
1952 tcg_gen_andi_tl(t0, t0, 0x3f);
1953 tcg_gen_shl_tl(cpu_gpr[rd], t1, t0);
1957 tcg_gen_andi_tl(t0, t0, 0x3f);
1958 tcg_gen_sar_tl(cpu_gpr[rd], t1, t0);
1962 tcg_gen_andi_tl(t0, t0, 0x3f);
1963 tcg_gen_shr_tl(cpu_gpr[rd], t1, t0);
1967 tcg_gen_andi_tl(t0, t0, 0x3f);
1968 tcg_gen_rotr_tl(cpu_gpr[rd], t1, t0);
1973 (void)opn; /* avoid a compiler warning */
1974 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
1979 /* Arithmetic on HI/LO registers */
1980 static void gen_HILO (DisasContext *ctx, uint32_t opc, int reg)
1982 const char *opn = "hilo";
1984 if (reg == 0 && (opc == OPC_MFHI || opc == OPC_MFLO)) {
1991 tcg_gen_mov_tl(cpu_gpr[reg], cpu_HI[0]);
1995 tcg_gen_mov_tl(cpu_gpr[reg], cpu_LO[0]);
2000 tcg_gen_mov_tl(cpu_HI[0], cpu_gpr[reg]);
2002 tcg_gen_movi_tl(cpu_HI[0], 0);
2007 tcg_gen_mov_tl(cpu_LO[0], cpu_gpr[reg]);
2009 tcg_gen_movi_tl(cpu_LO[0], 0);
2013 (void)opn; /* avoid a compiler warning */
2014 MIPS_DEBUG("%s %s", opn, regnames[reg]);
2017 static void gen_muldiv (DisasContext *ctx, uint32_t opc,
2020 const char *opn = "mul/div";
2026 #if defined(TARGET_MIPS64)
2030 t0 = tcg_temp_local_new();
2031 t1 = tcg_temp_local_new();
2034 t0 = tcg_temp_new();
2035 t1 = tcg_temp_new();
2039 gen_load_gpr(t0, rs);
2040 gen_load_gpr(t1, rt);
2044 int l1 = gen_new_label();
2045 int l2 = gen_new_label();
2047 tcg_gen_ext32s_tl(t0, t0);
2048 tcg_gen_ext32s_tl(t1, t1);
2049 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2050 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
2051 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
2053 tcg_gen_mov_tl(cpu_LO[0], t0);
2054 tcg_gen_movi_tl(cpu_HI[0], 0);
2057 tcg_gen_div_tl(cpu_LO[0], t0, t1);
2058 tcg_gen_rem_tl(cpu_HI[0], t0, t1);
2059 tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]);
2060 tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]);
2067 int l1 = gen_new_label();
2069 tcg_gen_ext32u_tl(t0, t0);
2070 tcg_gen_ext32u_tl(t1, t1);
2071 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2072 tcg_gen_divu_tl(cpu_LO[0], t0, t1);
2073 tcg_gen_remu_tl(cpu_HI[0], t0, t1);
2074 tcg_gen_ext32s_tl(cpu_LO[0], cpu_LO[0]);
2075 tcg_gen_ext32s_tl(cpu_HI[0], cpu_HI[0]);
2082 TCGv_i64 t2 = tcg_temp_new_i64();
2083 TCGv_i64 t3 = tcg_temp_new_i64();
2085 tcg_gen_ext_tl_i64(t2, t0);
2086 tcg_gen_ext_tl_i64(t3, t1);
2087 tcg_gen_mul_i64(t2, t2, t3);
2088 tcg_temp_free_i64(t3);
2089 tcg_gen_trunc_i64_tl(t0, t2);
2090 tcg_gen_shri_i64(t2, t2, 32);
2091 tcg_gen_trunc_i64_tl(t1, t2);
2092 tcg_temp_free_i64(t2);
2093 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2094 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2100 TCGv_i64 t2 = tcg_temp_new_i64();
2101 TCGv_i64 t3 = tcg_temp_new_i64();
2103 tcg_gen_ext32u_tl(t0, t0);
2104 tcg_gen_ext32u_tl(t1, t1);
2105 tcg_gen_extu_tl_i64(t2, t0);
2106 tcg_gen_extu_tl_i64(t3, t1);
2107 tcg_gen_mul_i64(t2, t2, t3);
2108 tcg_temp_free_i64(t3);
2109 tcg_gen_trunc_i64_tl(t0, t2);
2110 tcg_gen_shri_i64(t2, t2, 32);
2111 tcg_gen_trunc_i64_tl(t1, t2);
2112 tcg_temp_free_i64(t2);
2113 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2114 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2118 #if defined(TARGET_MIPS64)
2121 int l1 = gen_new_label();
2122 int l2 = gen_new_label();
2124 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2125 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
2126 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
2127 tcg_gen_mov_tl(cpu_LO[0], t0);
2128 tcg_gen_movi_tl(cpu_HI[0], 0);
2131 tcg_gen_div_i64(cpu_LO[0], t0, t1);
2132 tcg_gen_rem_i64(cpu_HI[0], t0, t1);
2139 int l1 = gen_new_label();
2141 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2142 tcg_gen_divu_i64(cpu_LO[0], t0, t1);
2143 tcg_gen_remu_i64(cpu_HI[0], t0, t1);
2149 gen_helper_dmult(t0, t1);
2153 gen_helper_dmultu(t0, t1);
2159 TCGv_i64 t2 = tcg_temp_new_i64();
2160 TCGv_i64 t3 = tcg_temp_new_i64();
2162 tcg_gen_ext_tl_i64(t2, t0);
2163 tcg_gen_ext_tl_i64(t3, t1);
2164 tcg_gen_mul_i64(t2, t2, t3);
2165 tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
2166 tcg_gen_add_i64(t2, t2, t3);
2167 tcg_temp_free_i64(t3);
2168 tcg_gen_trunc_i64_tl(t0, t2);
2169 tcg_gen_shri_i64(t2, t2, 32);
2170 tcg_gen_trunc_i64_tl(t1, t2);
2171 tcg_temp_free_i64(t2);
2172 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2173 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2179 TCGv_i64 t2 = tcg_temp_new_i64();
2180 TCGv_i64 t3 = tcg_temp_new_i64();
2182 tcg_gen_ext32u_tl(t0, t0);
2183 tcg_gen_ext32u_tl(t1, t1);
2184 tcg_gen_extu_tl_i64(t2, t0);
2185 tcg_gen_extu_tl_i64(t3, t1);
2186 tcg_gen_mul_i64(t2, t2, t3);
2187 tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
2188 tcg_gen_add_i64(t2, t2, t3);
2189 tcg_temp_free_i64(t3);
2190 tcg_gen_trunc_i64_tl(t0, t2);
2191 tcg_gen_shri_i64(t2, t2, 32);
2192 tcg_gen_trunc_i64_tl(t1, t2);
2193 tcg_temp_free_i64(t2);
2194 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2195 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2201 TCGv_i64 t2 = tcg_temp_new_i64();
2202 TCGv_i64 t3 = tcg_temp_new_i64();
2204 tcg_gen_ext_tl_i64(t2, t0);
2205 tcg_gen_ext_tl_i64(t3, t1);
2206 tcg_gen_mul_i64(t2, t2, t3);
2207 tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
2208 tcg_gen_sub_i64(t2, t3, t2);
2209 tcg_temp_free_i64(t3);
2210 tcg_gen_trunc_i64_tl(t0, t2);
2211 tcg_gen_shri_i64(t2, t2, 32);
2212 tcg_gen_trunc_i64_tl(t1, t2);
2213 tcg_temp_free_i64(t2);
2214 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2215 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2221 TCGv_i64 t2 = tcg_temp_new_i64();
2222 TCGv_i64 t3 = tcg_temp_new_i64();
2224 tcg_gen_ext32u_tl(t0, t0);
2225 tcg_gen_ext32u_tl(t1, t1);
2226 tcg_gen_extu_tl_i64(t2, t0);
2227 tcg_gen_extu_tl_i64(t3, t1);
2228 tcg_gen_mul_i64(t2, t2, t3);
2229 tcg_gen_concat_tl_i64(t3, cpu_LO[0], cpu_HI[0]);
2230 tcg_gen_sub_i64(t2, t3, t2);
2231 tcg_temp_free_i64(t3);
2232 tcg_gen_trunc_i64_tl(t0, t2);
2233 tcg_gen_shri_i64(t2, t2, 32);
2234 tcg_gen_trunc_i64_tl(t1, t2);
2235 tcg_temp_free_i64(t2);
2236 tcg_gen_ext32s_tl(cpu_LO[0], t0);
2237 tcg_gen_ext32s_tl(cpu_HI[0], t1);
2243 generate_exception(ctx, EXCP_RI);
2246 (void)opn; /* avoid a compiler warning */
2247 MIPS_DEBUG("%s %s %s", opn, regnames[rs], regnames[rt]);
2253 static void gen_mul_vr54xx (DisasContext *ctx, uint32_t opc,
2254 int rd, int rs, int rt)
2256 const char *opn = "mul vr54xx";
2257 TCGv t0 = tcg_temp_new();
2258 TCGv t1 = tcg_temp_new();
2260 gen_load_gpr(t0, rs);
2261 gen_load_gpr(t1, rt);
2264 case OPC_VR54XX_MULS:
2265 gen_helper_muls(t0, t0, t1);
2268 case OPC_VR54XX_MULSU:
2269 gen_helper_mulsu(t0, t0, t1);
2272 case OPC_VR54XX_MACC:
2273 gen_helper_macc(t0, t0, t1);
2276 case OPC_VR54XX_MACCU:
2277 gen_helper_maccu(t0, t0, t1);
2280 case OPC_VR54XX_MSAC:
2281 gen_helper_msac(t0, t0, t1);
2284 case OPC_VR54XX_MSACU:
2285 gen_helper_msacu(t0, t0, t1);
2288 case OPC_VR54XX_MULHI:
2289 gen_helper_mulhi(t0, t0, t1);
2292 case OPC_VR54XX_MULHIU:
2293 gen_helper_mulhiu(t0, t0, t1);
2296 case OPC_VR54XX_MULSHI:
2297 gen_helper_mulshi(t0, t0, t1);
2300 case OPC_VR54XX_MULSHIU:
2301 gen_helper_mulshiu(t0, t0, t1);
2304 case OPC_VR54XX_MACCHI:
2305 gen_helper_macchi(t0, t0, t1);
2308 case OPC_VR54XX_MACCHIU:
2309 gen_helper_macchiu(t0, t0, t1);
2312 case OPC_VR54XX_MSACHI:
2313 gen_helper_msachi(t0, t0, t1);
2316 case OPC_VR54XX_MSACHIU:
2317 gen_helper_msachiu(t0, t0, t1);
2321 MIPS_INVAL("mul vr54xx");
2322 generate_exception(ctx, EXCP_RI);
2325 gen_store_gpr(t0, rd);
2326 (void)opn; /* avoid a compiler warning */
2327 MIPS_DEBUG("%s %s, %s, %s", opn, regnames[rd], regnames[rs], regnames[rt]);
2334 static void gen_cl (DisasContext *ctx, uint32_t opc,
2337 const char *opn = "CLx";
2345 t0 = tcg_temp_new();
2346 gen_load_gpr(t0, rs);
2349 gen_helper_clo(cpu_gpr[rd], t0);
2353 gen_helper_clz(cpu_gpr[rd], t0);
2356 #if defined(TARGET_MIPS64)
2358 gen_helper_dclo(cpu_gpr[rd], t0);
2362 gen_helper_dclz(cpu_gpr[rd], t0);
2367 (void)opn; /* avoid a compiler warning */
2368 MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
2372 /* Godson integer instructions */
2373 static void gen_loongson_integer (DisasContext *ctx, uint32_t opc,
2374 int rd, int rs, int rt)
2376 const char *opn = "loongson";
2388 case OPC_MULTU_G_2E:
2389 case OPC_MULTU_G_2F:
2390 #if defined(TARGET_MIPS64)
2391 case OPC_DMULT_G_2E:
2392 case OPC_DMULT_G_2F:
2393 case OPC_DMULTU_G_2E:
2394 case OPC_DMULTU_G_2F:
2396 t0 = tcg_temp_new();
2397 t1 = tcg_temp_new();
2400 t0 = tcg_temp_local_new();
2401 t1 = tcg_temp_local_new();
2405 gen_load_gpr(t0, rs);
2406 gen_load_gpr(t1, rt);
2411 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
2412 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2415 case OPC_MULTU_G_2E:
2416 case OPC_MULTU_G_2F:
2417 tcg_gen_ext32u_tl(t0, t0);
2418 tcg_gen_ext32u_tl(t1, t1);
2419 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
2420 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2426 int l1 = gen_new_label();
2427 int l2 = gen_new_label();
2428 int l3 = gen_new_label();
2429 tcg_gen_ext32s_tl(t0, t0);
2430 tcg_gen_ext32s_tl(t1, t1);
2431 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
2432 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2435 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
2436 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
2437 tcg_gen_mov_tl(cpu_gpr[rd], t0);
2440 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
2441 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2449 int l1 = gen_new_label();
2450 int l2 = gen_new_label();
2451 tcg_gen_ext32u_tl(t0, t0);
2452 tcg_gen_ext32u_tl(t1, t1);
2453 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
2454 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2457 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
2458 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2466 int l1 = gen_new_label();
2467 int l2 = gen_new_label();
2468 int l3 = gen_new_label();
2469 tcg_gen_ext32u_tl(t0, t0);
2470 tcg_gen_ext32u_tl(t1, t1);
2471 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2472 tcg_gen_brcondi_tl(TCG_COND_NE, t0, INT_MIN, l2);
2473 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1, l2);
2475 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2478 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
2479 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2487 int l1 = gen_new_label();
2488 int l2 = gen_new_label();
2489 tcg_gen_ext32u_tl(t0, t0);
2490 tcg_gen_ext32u_tl(t1, t1);
2491 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
2492 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2495 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
2496 tcg_gen_ext32s_tl(cpu_gpr[rd], cpu_gpr[rd]);
2501 #if defined(TARGET_MIPS64)
2502 case OPC_DMULT_G_2E:
2503 case OPC_DMULT_G_2F:
2504 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
2507 case OPC_DMULTU_G_2E:
2508 case OPC_DMULTU_G_2F:
2509 tcg_gen_mul_tl(cpu_gpr[rd], t0, t1);
2515 int l1 = gen_new_label();
2516 int l2 = gen_new_label();
2517 int l3 = gen_new_label();
2518 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
2519 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2522 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
2523 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
2524 tcg_gen_mov_tl(cpu_gpr[rd], t0);
2527 tcg_gen_div_tl(cpu_gpr[rd], t0, t1);
2532 case OPC_DDIVU_G_2E:
2533 case OPC_DDIVU_G_2F:
2535 int l1 = gen_new_label();
2536 int l2 = gen_new_label();
2537 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
2538 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2541 tcg_gen_divu_tl(cpu_gpr[rd], t0, t1);
2549 int l1 = gen_new_label();
2550 int l2 = gen_new_label();
2551 int l3 = gen_new_label();
2552 tcg_gen_brcondi_tl(TCG_COND_EQ, t1, 0, l1);
2553 tcg_gen_brcondi_tl(TCG_COND_NE, t0, -1LL << 63, l2);
2554 tcg_gen_brcondi_tl(TCG_COND_NE, t1, -1LL, l2);
2556 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2559 tcg_gen_rem_tl(cpu_gpr[rd], t0, t1);
2564 case OPC_DMODU_G_2E:
2565 case OPC_DMODU_G_2F:
2567 int l1 = gen_new_label();
2568 int l2 = gen_new_label();
2569 tcg_gen_brcondi_tl(TCG_COND_NE, t1, 0, l1);
2570 tcg_gen_movi_tl(cpu_gpr[rd], 0);
2573 tcg_gen_remu_tl(cpu_gpr[rd], t0, t1);
2581 (void)opn; /* avoid a compiler warning */
2582 MIPS_DEBUG("%s %s, %s", opn, regnames[rd], regnames[rs]);
2588 static void gen_trap (DisasContext *ctx, uint32_t opc,
2589 int rs, int rt, int16_t imm)
2592 TCGv t0 = tcg_temp_new();
2593 TCGv t1 = tcg_temp_new();
2596 /* Load needed operands */
2604 /* Compare two registers */
2606 gen_load_gpr(t0, rs);
2607 gen_load_gpr(t1, rt);
2617 /* Compare register to immediate */
2618 if (rs != 0 || imm != 0) {
2619 gen_load_gpr(t0, rs);
2620 tcg_gen_movi_tl(t1, (int32_t)imm);
2627 case OPC_TEQ: /* rs == rs */
2628 case OPC_TEQI: /* r0 == 0 */
2629 case OPC_TGE: /* rs >= rs */
2630 case OPC_TGEI: /* r0 >= 0 */
2631 case OPC_TGEU: /* rs >= rs unsigned */
2632 case OPC_TGEIU: /* r0 >= 0 unsigned */
2634 generate_exception(ctx, EXCP_TRAP);
2636 case OPC_TLT: /* rs < rs */
2637 case OPC_TLTI: /* r0 < 0 */
2638 case OPC_TLTU: /* rs < rs unsigned */
2639 case OPC_TLTIU: /* r0 < 0 unsigned */
2640 case OPC_TNE: /* rs != rs */
2641 case OPC_TNEI: /* r0 != 0 */
2642 /* Never trap: treat as NOP. */
2646 int l1 = gen_new_label();
2651 tcg_gen_brcond_tl(TCG_COND_NE, t0, t1, l1);
2655 tcg_gen_brcond_tl(TCG_COND_LT, t0, t1, l1);
2659 tcg_gen_brcond_tl(TCG_COND_LTU, t0, t1, l1);
2663 tcg_gen_brcond_tl(TCG_COND_GE, t0, t1, l1);
2667 tcg_gen_brcond_tl(TCG_COND_GEU, t0, t1, l1);
2671 tcg_gen_brcond_tl(TCG_COND_EQ, t0, t1, l1);
2674 generate_exception(ctx, EXCP_TRAP);
2681 static inline void gen_goto_tb(DisasContext *ctx, int n, target_ulong dest)
2683 TranslationBlock *tb;
2685 if ((tb->pc & TARGET_PAGE_MASK) == (dest & TARGET_PAGE_MASK) &&
2686 likely(!ctx->singlestep_enabled)) {
2689 tcg_gen_exit_tb((long)tb + n);
2692 if (ctx->singlestep_enabled) {
2693 save_cpu_state(ctx, 0);
2694 gen_helper_0i(raise_exception, EXCP_DEBUG);
2700 /* Branches (before delay slot) */
2701 static void gen_compute_branch (DisasContext *ctx, uint32_t opc,
2703 int rs, int rt, int32_t offset)
2705 target_ulong btgt = -1;
2707 int bcond_compute = 0;
2708 TCGv t0 = tcg_temp_new();
2709 TCGv t1 = tcg_temp_new();
2711 if (ctx->hflags & MIPS_HFLAG_BMASK) {
2712 #ifdef MIPS_DEBUG_DISAS
2713 LOG_DISAS("Branch in delay slot at PC 0x" TARGET_FMT_lx "\n", ctx->pc);
2715 generate_exception(ctx, EXCP_RI);
2719 /* Load needed operands */
2725 /* Compare two registers */
2727 gen_load_gpr(t0, rs);
2728 gen_load_gpr(t1, rt);
2731 btgt = ctx->pc + insn_bytes + offset;
2747 /* Compare to zero */
2749 gen_load_gpr(t0, rs);
2752 btgt = ctx->pc + insn_bytes + offset;
2759 /* Jump to immediate */
2760 btgt = ((ctx->pc + insn_bytes) & (int32_t)0xF0000000) | (uint32_t)offset;
2766 /* Jump to register */
2767 if (offset != 0 && offset != 16) {
2768 /* Hint = 0 is JR/JALR, hint 16 is JR.HB/JALR.HB, the
2769 others are reserved. */
2770 MIPS_INVAL("jump hint");
2771 generate_exception(ctx, EXCP_RI);
2774 gen_load_gpr(btarget, rs);
2777 MIPS_INVAL("branch/jump");
2778 generate_exception(ctx, EXCP_RI);
2781 if (bcond_compute == 0) {
2782 /* No condition to be computed */
2784 case OPC_BEQ: /* rx == rx */
2785 case OPC_BEQL: /* rx == rx likely */
2786 case OPC_BGEZ: /* 0 >= 0 */
2787 case OPC_BGEZL: /* 0 >= 0 likely */
2788 case OPC_BLEZ: /* 0 <= 0 */
2789 case OPC_BLEZL: /* 0 <= 0 likely */
2791 ctx->hflags |= MIPS_HFLAG_B;
2792 MIPS_DEBUG("balways");
2795 case OPC_BGEZAL: /* 0 >= 0 */
2796 case OPC_BGEZALL: /* 0 >= 0 likely */
2797 ctx->hflags |= (opc == OPC_BGEZALS
2799 : MIPS_HFLAG_BDS32);
2800 /* Always take and link */
2802 ctx->hflags |= MIPS_HFLAG_B;
2803 MIPS_DEBUG("balways and link");
2805 case OPC_BNE: /* rx != rx */
2806 case OPC_BGTZ: /* 0 > 0 */
2807 case OPC_BLTZ: /* 0 < 0 */
2809 MIPS_DEBUG("bnever (NOP)");
2812 case OPC_BLTZAL: /* 0 < 0 */
2813 ctx->hflags |= (opc == OPC_BLTZALS
2815 : MIPS_HFLAG_BDS32);
2816 /* Handle as an unconditional branch to get correct delay
2819 btgt = ctx->pc + (opc == OPC_BLTZALS ? 6 : 8);
2820 ctx->hflags |= MIPS_HFLAG_B;
2821 MIPS_DEBUG("bnever and link");
2823 case OPC_BLTZALL: /* 0 < 0 likely */
2824 tcg_gen_movi_tl(cpu_gpr[31], ctx->pc + 8);
2825 /* Skip the instruction in the delay slot */
2826 MIPS_DEBUG("bnever, link and skip");
2829 case OPC_BNEL: /* rx != rx likely */
2830 case OPC_BGTZL: /* 0 > 0 likely */
2831 case OPC_BLTZL: /* 0 < 0 likely */
2832 /* Skip the instruction in the delay slot */
2833 MIPS_DEBUG("bnever and skip");
2837 ctx->hflags |= MIPS_HFLAG_B;
2838 MIPS_DEBUG("j " TARGET_FMT_lx, btgt);
2842 ctx->hflags |= MIPS_HFLAG_BX;
2847 ctx->hflags |= MIPS_HFLAG_B;
2848 ctx->hflags |= ((opc == OPC_JALS || opc == OPC_JALXS)
2850 : MIPS_HFLAG_BDS32);
2851 MIPS_DEBUG("jal " TARGET_FMT_lx, btgt);
2854 ctx->hflags |= MIPS_HFLAG_BR;
2855 if (insn_bytes == 4)
2856 ctx->hflags |= MIPS_HFLAG_BDS32;
2857 MIPS_DEBUG("jr %s", regnames[rs]);
2863 ctx->hflags |= MIPS_HFLAG_BR;
2864 ctx->hflags |= (opc == OPC_JALRS
2866 : MIPS_HFLAG_BDS32);
2867 MIPS_DEBUG("jalr %s, %s", regnames[rt], regnames[rs]);
2870 MIPS_INVAL("branch/jump");
2871 generate_exception(ctx, EXCP_RI);
2877 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
2878 MIPS_DEBUG("beq %s, %s, " TARGET_FMT_lx,
2879 regnames[rs], regnames[rt], btgt);
2882 tcg_gen_setcond_tl(TCG_COND_EQ, bcond, t0, t1);
2883 MIPS_DEBUG("beql %s, %s, " TARGET_FMT_lx,
2884 regnames[rs], regnames[rt], btgt);
2887 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
2888 MIPS_DEBUG("bne %s, %s, " TARGET_FMT_lx,
2889 regnames[rs], regnames[rt], btgt);
2892 tcg_gen_setcond_tl(TCG_COND_NE, bcond, t0, t1);
2893 MIPS_DEBUG("bnel %s, %s, " TARGET_FMT_lx,
2894 regnames[rs], regnames[rt], btgt);
2897 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
2898 MIPS_DEBUG("bgez %s, " TARGET_FMT_lx, regnames[rs], btgt);
2901 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
2902 MIPS_DEBUG("bgezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2906 ctx->hflags |= (opc == OPC_BGEZALS
2908 : MIPS_HFLAG_BDS32);
2909 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
2910 MIPS_DEBUG("bgezal %s, " TARGET_FMT_lx, regnames[rs], btgt);
2914 tcg_gen_setcondi_tl(TCG_COND_GE, bcond, t0, 0);
2916 MIPS_DEBUG("bgezall %s, " TARGET_FMT_lx, regnames[rs], btgt);
2919 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
2920 MIPS_DEBUG("bgtz %s, " TARGET_FMT_lx, regnames[rs], btgt);
2923 tcg_gen_setcondi_tl(TCG_COND_GT, bcond, t0, 0);
2924 MIPS_DEBUG("bgtzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2927 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
2928 MIPS_DEBUG("blez %s, " TARGET_FMT_lx, regnames[rs], btgt);
2931 tcg_gen_setcondi_tl(TCG_COND_LE, bcond, t0, 0);
2932 MIPS_DEBUG("blezl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2935 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
2936 MIPS_DEBUG("bltz %s, " TARGET_FMT_lx, regnames[rs], btgt);
2939 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
2940 MIPS_DEBUG("bltzl %s, " TARGET_FMT_lx, regnames[rs], btgt);
2944 ctx->hflags |= (opc == OPC_BLTZALS
2946 : MIPS_HFLAG_BDS32);
2947 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
2949 MIPS_DEBUG("bltzal %s, " TARGET_FMT_lx, regnames[rs], btgt);
2951 ctx->hflags |= MIPS_HFLAG_BC;
2954 tcg_gen_setcondi_tl(TCG_COND_LT, bcond, t0, 0);
2956 MIPS_DEBUG("bltzall %s, " TARGET_FMT_lx, regnames[rs], btgt);
2958 ctx->hflags |= MIPS_HFLAG_BL;
2961 MIPS_INVAL("conditional branch/jump");
2962 generate_exception(ctx, EXCP_RI);
2966 MIPS_DEBUG("enter ds: link %d cond %02x target " TARGET_FMT_lx,
2967 blink, ctx->hflags, btgt);
2969 ctx->btarget = btgt;
2971 int post_delay = insn_bytes;
2972 int lowbit = !!(ctx->hflags & MIPS_HFLAG_M16);
2974 if (opc != OPC_JALRC)
2975 post_delay += ((ctx->hflags & MIPS_HFLAG_BDS16) ? 2 : 4);
2977 tcg_gen_movi_tl(cpu_gpr[blink], ctx->pc + post_delay + lowbit);
2981 if (insn_bytes == 2)
2982 ctx->hflags |= MIPS_HFLAG_B16;
2987 /* special3 bitfield operations */
2988 static void gen_bitops (DisasContext *ctx, uint32_t opc, int rt,
2989 int rs, int lsb, int msb)
2991 TCGv t0 = tcg_temp_new();
2992 TCGv t1 = tcg_temp_new();
2995 gen_load_gpr(t1, rs);
3000 tcg_gen_shri_tl(t0, t1, lsb);
3002 tcg_gen_andi_tl(t0, t0, (1 << (msb + 1)) - 1);
3004 tcg_gen_ext32s_tl(t0, t0);
3007 #if defined(TARGET_MIPS64)
3009 tcg_gen_shri_tl(t0, t1, lsb);
3011 tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1 + 32)) - 1);
3015 tcg_gen_shri_tl(t0, t1, lsb + 32);
3016 tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1);
3019 tcg_gen_shri_tl(t0, t1, lsb);
3020 tcg_gen_andi_tl(t0, t0, (1ULL << (msb + 1)) - 1);
3026 mask = ((msb - lsb + 1 < 32) ? ((1 << (msb - lsb + 1)) - 1) : ~0) << lsb;
3027 gen_load_gpr(t0, rt);
3028 tcg_gen_andi_tl(t0, t0, ~mask);
3029 tcg_gen_shli_tl(t1, t1, lsb);
3030 tcg_gen_andi_tl(t1, t1, mask);
3031 tcg_gen_or_tl(t0, t0, t1);
3032 tcg_gen_ext32s_tl(t0, t0);
3034 #if defined(TARGET_MIPS64)
3038 mask = ((msb - lsb + 1 + 32 < 64) ? ((1ULL << (msb - lsb + 1 + 32)) - 1) : ~0ULL) << lsb;
3039 gen_load_gpr(t0, rt);
3040 tcg_gen_andi_tl(t0, t0, ~mask);
3041 tcg_gen_shli_tl(t1, t1, lsb);
3042 tcg_gen_andi_tl(t1, t1, mask);
3043 tcg_gen_or_tl(t0, t0, t1);
3048 mask = ((1ULL << (msb - lsb + 1)) - 1) << (lsb + 32);
3049 gen_load_gpr(t0, rt);
3050 tcg_gen_andi_tl(t0, t0, ~mask);
3051 tcg_gen_shli_tl(t1, t1, lsb + 32);
3052 tcg_gen_andi_tl(t1, t1, mask);
3053 tcg_gen_or_tl(t0, t0, t1);
3058 gen_load_gpr(t0, rt);
3059 mask = ((1ULL << (msb - lsb + 1)) - 1) << lsb;
3060 gen_load_gpr(t0, rt);
3061 tcg_gen_andi_tl(t0, t0, ~mask);
3062 tcg_gen_shli_tl(t1, t1, lsb);
3063 tcg_gen_andi_tl(t1, t1, mask);
3064 tcg_gen_or_tl(t0, t0, t1);
3069 MIPS_INVAL("bitops");
3070 generate_exception(ctx, EXCP_RI);
3075 gen_store_gpr(t0, rt);
3080 static void gen_bshfl (DisasContext *ctx, uint32_t op2, int rt, int rd)
3085 /* If no destination, treat it as a NOP. */
3090 t0 = tcg_temp_new();
3091 gen_load_gpr(t0, rt);
3095 TCGv t1 = tcg_temp_new();
3097 tcg_gen_shri_tl(t1, t0, 8);
3098 tcg_gen_andi_tl(t1, t1, 0x00FF00FF);
3099 tcg_gen_shli_tl(t0, t0, 8);
3100 tcg_gen_andi_tl(t0, t0, ~0x00FF00FF);
3101 tcg_gen_or_tl(t0, t0, t1);
3103 tcg_gen_ext32s_tl(cpu_gpr[rd], t0);
3107 tcg_gen_ext8s_tl(cpu_gpr[rd], t0);
3110 tcg_gen_ext16s_tl(cpu_gpr[rd], t0);
3112 #if defined(TARGET_MIPS64)
3115 TCGv t1 = tcg_temp_new();
3117 tcg_gen_shri_tl(t1, t0, 8);
3118 tcg_gen_andi_tl(t1, t1, 0x00FF00FF00FF00FFULL);
3119 tcg_gen_shli_tl(t0, t0, 8);
3120 tcg_gen_andi_tl(t0, t0, ~0x00FF00FF00FF00FFULL);
3121 tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
3127 TCGv t1 = tcg_temp_new();
3129 tcg_gen_shri_tl(t1, t0, 16);
3130 tcg_gen_andi_tl(t1, t1, 0x0000FFFF0000FFFFULL);
3131 tcg_gen_shli_tl(t0, t0, 16);
3132 tcg_gen_andi_tl(t0, t0, ~0x0000FFFF0000FFFFULL);
3133 tcg_gen_or_tl(t0, t0, t1);
3134 tcg_gen_shri_tl(t1, t0, 32);
3135 tcg_gen_shli_tl(t0, t0, 32);
3136 tcg_gen_or_tl(cpu_gpr[rd], t0, t1);
3142 MIPS_INVAL("bsfhl");
3143 generate_exception(ctx, EXCP_RI);
3150 #ifndef CONFIG_USER_ONLY
3151 /* CP0 (MMU and control) */
3152 static inline void gen_mfc0_load32 (TCGv arg, target_ulong off)
3154 TCGv_i32 t0 = tcg_temp_new_i32();
3156 tcg_gen_ld_i32(t0, cpu_env, off);
3157 tcg_gen_ext_i32_tl(arg, t0);
3158 tcg_temp_free_i32(t0);
3161 static inline void gen_mfc0_load64 (TCGv arg, target_ulong off)
3163 tcg_gen_ld_tl(arg, cpu_env, off);
3164 tcg_gen_ext32s_tl(arg, arg);
3167 static inline void gen_mtc0_store32 (TCGv arg, target_ulong off)
3169 TCGv_i32 t0 = tcg_temp_new_i32();
3171 tcg_gen_trunc_tl_i32(t0, arg);
3172 tcg_gen_st_i32(t0, cpu_env, off);
3173 tcg_temp_free_i32(t0);
3176 static inline void gen_mtc0_store64 (TCGv arg, target_ulong off)
3178 tcg_gen_ext32s_tl(arg, arg);
3179 tcg_gen_st_tl(arg, cpu_env, off);
3182 static void gen_mfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
3184 const char *rn = "invalid";
3187 check_insn(env, ctx, ISA_MIPS32);
3193 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index));
3197 check_insn(env, ctx, ASE_MT);
3198 gen_helper_mfc0_mvpcontrol(arg);
3202 check_insn(env, ctx, ASE_MT);
3203 gen_helper_mfc0_mvpconf0(arg);
3207 check_insn(env, ctx, ASE_MT);
3208 gen_helper_mfc0_mvpconf1(arg);
3218 gen_helper_mfc0_random(arg);
3222 check_insn(env, ctx, ASE_MT);
3223 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl));
3227 check_insn(env, ctx, ASE_MT);
3228 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0));
3232 check_insn(env, ctx, ASE_MT);
3233 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1));
3237 check_insn(env, ctx, ASE_MT);
3238 gen_mfc0_load64(arg, offsetof(CPUState, CP0_YQMask));
3242 check_insn(env, ctx, ASE_MT);
3243 gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPESchedule));
3247 check_insn(env, ctx, ASE_MT);
3248 gen_mfc0_load64(arg, offsetof(CPUState, CP0_VPEScheFBack));
3249 rn = "VPEScheFBack";
3252 check_insn(env, ctx, ASE_MT);
3253 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt));
3263 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0));
3264 tcg_gen_ext32s_tl(arg, arg);
3268 check_insn(env, ctx, ASE_MT);
3269 gen_helper_mfc0_tcstatus(arg);
3273 check_insn(env, ctx, ASE_MT);
3274 gen_helper_mfc0_tcbind(arg);
3278 check_insn(env, ctx, ASE_MT);
3279 gen_helper_mfc0_tcrestart(arg);
3283 check_insn(env, ctx, ASE_MT);
3284 gen_helper_mfc0_tchalt(arg);
3288 check_insn(env, ctx, ASE_MT);
3289 gen_helper_mfc0_tccontext(arg);
3293 check_insn(env, ctx, ASE_MT);
3294 gen_helper_mfc0_tcschedule(arg);
3298 check_insn(env, ctx, ASE_MT);
3299 gen_helper_mfc0_tcschefback(arg);
3309 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1));
3310 tcg_gen_ext32s_tl(arg, arg);
3320 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context));
3321 tcg_gen_ext32s_tl(arg, arg);
3325 // gen_helper_mfc0_contextconfig(arg); /* SmartMIPS ASE */
3326 rn = "ContextConfig";
3335 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask));
3339 check_insn(env, ctx, ISA_MIPS32R2);
3340 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain));
3350 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired));
3354 check_insn(env, ctx, ISA_MIPS32R2);
3355 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0));
3359 check_insn(env, ctx, ISA_MIPS32R2);
3360 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1));
3364 check_insn(env, ctx, ISA_MIPS32R2);
3365 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2));
3369 check_insn(env, ctx, ISA_MIPS32R2);
3370 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3));
3374 check_insn(env, ctx, ISA_MIPS32R2);
3375 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4));
3385 check_insn(env, ctx, ISA_MIPS32R2);
3386 gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna));
3396 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr));
3397 tcg_gen_ext32s_tl(arg, arg);
3407 /* Mark as an IO operation because we read the time. */
3410 gen_helper_mfc0_count(arg);
3414 /* Break the TB to be able to take timer interrupts immediately
3415 after reading count. */
3416 ctx->bstate = BS_STOP;
3419 /* 6,7 are implementation dependent */
3427 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi));
3428 tcg_gen_ext32s_tl(arg, arg);
3438 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare));
3441 /* 6,7 are implementation dependent */
3449 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status));
3453 check_insn(env, ctx, ISA_MIPS32R2);
3454 gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl));
3458 check_insn(env, ctx, ISA_MIPS32R2);
3459 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl));
3463 check_insn(env, ctx, ISA_MIPS32R2);
3464 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap));
3474 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause));
3484 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC));
3485 tcg_gen_ext32s_tl(arg, arg);
3495 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid));
3499 check_insn(env, ctx, ISA_MIPS32R2);
3500 gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase));
3510 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0));
3514 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1));
3518 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2));
3522 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3));
3525 /* 4,5 are reserved */
3526 /* 6,7 are implementation dependent */
3528 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6));
3532 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7));
3542 gen_helper_mfc0_lladdr(arg);
3552 gen_helper_1i(mfc0_watchlo, arg, sel);
3562 gen_helper_1i(mfc0_watchhi, arg, sel);
3572 #if defined(TARGET_MIPS64)
3573 check_insn(env, ctx, ISA_MIPS3);
3574 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext));
3575 tcg_gen_ext32s_tl(arg, arg);
3584 /* Officially reserved, but sel 0 is used for R1x000 framemask */
3587 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask));
3595 tcg_gen_movi_tl(arg, 0); /* unimplemented */
3596 rn = "'Diagnostic"; /* implementation dependent */
3601 gen_helper_mfc0_debug(arg); /* EJTAG support */
3605 // gen_helper_mfc0_tracecontrol(arg); /* PDtrace support */
3606 rn = "TraceControl";
3609 // gen_helper_mfc0_tracecontrol2(arg); /* PDtrace support */
3610 rn = "TraceControl2";
3613 // gen_helper_mfc0_usertracedata(arg); /* PDtrace support */
3614 rn = "UserTraceData";
3617 // gen_helper_mfc0_tracebpc(arg); /* PDtrace support */
3628 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC));
3629 tcg_gen_ext32s_tl(arg, arg);
3639 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0));
3640 rn = "Performance0";
3643 // gen_helper_mfc0_performance1(arg);
3644 rn = "Performance1";
3647 // gen_helper_mfc0_performance2(arg);
3648 rn = "Performance2";
3651 // gen_helper_mfc0_performance3(arg);
3652 rn = "Performance3";
3655 // gen_helper_mfc0_performance4(arg);
3656 rn = "Performance4";
3659 // gen_helper_mfc0_performance5(arg);
3660 rn = "Performance5";
3663 // gen_helper_mfc0_performance6(arg);
3664 rn = "Performance6";
3667 // gen_helper_mfc0_performance7(arg);
3668 rn = "Performance7";
3675 tcg_gen_movi_tl(arg, 0); /* unimplemented */
3681 tcg_gen_movi_tl(arg, 0); /* unimplemented */
3694 gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo));
3701 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo));
3714 gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi));
3721 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi));
3731 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
3732 tcg_gen_ext32s_tl(arg, arg);
3743 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE));
3753 (void)rn; /* avoid a compiler warning */
3754 LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
3758 LOG_DISAS("mfc0 %s (reg %d sel %d)\n", rn, reg, sel);
3759 generate_exception(ctx, EXCP_RI);
3762 static void gen_mtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
3764 const char *rn = "invalid";
3767 check_insn(env, ctx, ISA_MIPS32);
3776 gen_helper_mtc0_index(arg);
3780 check_insn(env, ctx, ASE_MT);
3781 gen_helper_mtc0_mvpcontrol(arg);
3785 check_insn(env, ctx, ASE_MT);
3790 check_insn(env, ctx, ASE_MT);
3805 check_insn(env, ctx, ASE_MT);
3806 gen_helper_mtc0_vpecontrol(arg);
3810 check_insn(env, ctx, ASE_MT);
3811 gen_helper_mtc0_vpeconf0(arg);
3815 check_insn(env, ctx, ASE_MT);
3816 gen_helper_mtc0_vpeconf1(arg);
3820 check_insn(env, ctx, ASE_MT);
3821 gen_helper_mtc0_yqmask(arg);
3825 check_insn(env, ctx, ASE_MT);
3826 gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPESchedule));
3830 check_insn(env, ctx, ASE_MT);
3831 gen_mtc0_store64(arg, offsetof(CPUState, CP0_VPEScheFBack));
3832 rn = "VPEScheFBack";
3835 check_insn(env, ctx, ASE_MT);
3836 gen_helper_mtc0_vpeopt(arg);
3846 gen_helper_mtc0_entrylo0(arg);
3850 check_insn(env, ctx, ASE_MT);
3851 gen_helper_mtc0_tcstatus(arg);
3855 check_insn(env, ctx, ASE_MT);
3856 gen_helper_mtc0_tcbind(arg);
3860 check_insn(env, ctx, ASE_MT);
3861 gen_helper_mtc0_tcrestart(arg);
3865 check_insn(env, ctx, ASE_MT);
3866 gen_helper_mtc0_tchalt(arg);
3870 check_insn(env, ctx, ASE_MT);
3871 gen_helper_mtc0_tccontext(arg);
3875 check_insn(env, ctx, ASE_MT);
3876 gen_helper_mtc0_tcschedule(arg);
3880 check_insn(env, ctx, ASE_MT);
3881 gen_helper_mtc0_tcschefback(arg);
3891 gen_helper_mtc0_entrylo1(arg);
3901 gen_helper_mtc0_context(arg);
3905 // gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
3906 rn = "ContextConfig";
3915 gen_helper_mtc0_pagemask(arg);
3919 check_insn(env, ctx, ISA_MIPS32R2);
3920 gen_helper_mtc0_pagegrain(arg);
3930 gen_helper_mtc0_wired(arg);
3934 check_insn(env, ctx, ISA_MIPS32R2);
3935 gen_helper_mtc0_srsconf0(arg);
3939 check_insn(env, ctx, ISA_MIPS32R2);
3940 gen_helper_mtc0_srsconf1(arg);
3944 check_insn(env, ctx, ISA_MIPS32R2);
3945 gen_helper_mtc0_srsconf2(arg);
3949 check_insn(env, ctx, ISA_MIPS32R2);
3950 gen_helper_mtc0_srsconf3(arg);
3954 check_insn(env, ctx, ISA_MIPS32R2);
3955 gen_helper_mtc0_srsconf4(arg);
3965 check_insn(env, ctx, ISA_MIPS32R2);
3966 gen_helper_mtc0_hwrena(arg);
3980 gen_helper_mtc0_count(arg);
3983 /* 6,7 are implementation dependent */
3991 gen_helper_mtc0_entryhi(arg);
4001 gen_helper_mtc0_compare(arg);
4004 /* 6,7 are implementation dependent */
4012 save_cpu_state(ctx, 1);
4013 gen_helper_mtc0_status(arg);
4014 /* BS_STOP isn't good enough here, hflags may have changed. */
4015 gen_save_pc(ctx->pc + 4);
4016 ctx->bstate = BS_EXCP;
4020 check_insn(env, ctx, ISA_MIPS32R2);
4021 gen_helper_mtc0_intctl(arg);
4022 /* Stop translation as we may have switched the execution mode */
4023 ctx->bstate = BS_STOP;
4027 check_insn(env, ctx, ISA_MIPS32R2);
4028 gen_helper_mtc0_srsctl(arg);
4029 /* Stop translation as we may have switched the execution mode */
4030 ctx->bstate = BS_STOP;
4034 check_insn(env, ctx, ISA_MIPS32R2);
4035 gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap));
4036 /* Stop translation as we may have switched the execution mode */
4037 ctx->bstate = BS_STOP;
4047 save_cpu_state(ctx, 1);
4048 gen_helper_mtc0_cause(arg);
4058 gen_mtc0_store64(arg, offsetof(CPUState, CP0_EPC));
4072 check_insn(env, ctx, ISA_MIPS32R2);
4073 gen_helper_mtc0_ebase(arg);
4083 gen_helper_mtc0_config0(arg);
4085 /* Stop translation as we may have switched the execution mode */
4086 ctx->bstate = BS_STOP;
4089 /* ignored, read only */
4093 gen_helper_mtc0_config2(arg);
4095 /* Stop translation as we may have switched the execution mode */
4096 ctx->bstate = BS_STOP;
4099 /* ignored, read only */
4102 /* 4,5 are reserved */
4103 /* 6,7 are implementation dependent */
4113 rn = "Invalid config selector";
4120 gen_helper_mtc0_lladdr(arg);
4130 gen_helper_1i(mtc0_watchlo, arg, sel);
4140 gen_helper_1i(mtc0_watchhi, arg, sel);
4150 #if defined(TARGET_MIPS64)
4151 check_insn(env, ctx, ISA_MIPS3);
4152 gen_helper_mtc0_xcontext(arg);
4161 /* Officially reserved, but sel 0 is used for R1x000 framemask */
4164 gen_helper_mtc0_framemask(arg);
4173 rn = "Diagnostic"; /* implementation dependent */
4178 gen_helper_mtc0_debug(arg); /* EJTAG support */
4179 /* BS_STOP isn't good enough here, hflags may have changed. */
4180 gen_save_pc(ctx->pc + 4);
4181 ctx->bstate = BS_EXCP;
4185 // gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
4186 rn = "TraceControl";
4187 /* Stop translation as we may have switched the execution mode */
4188 ctx->bstate = BS_STOP;
4191 // gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
4192 rn = "TraceControl2";
4193 /* Stop translation as we may have switched the execution mode */
4194 ctx->bstate = BS_STOP;
4197 /* Stop translation as we may have switched the execution mode */
4198 ctx->bstate = BS_STOP;
4199 // gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
4200 rn = "UserTraceData";
4201 /* Stop translation as we may have switched the execution mode */
4202 ctx->bstate = BS_STOP;
4205 // gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
4206 /* Stop translation as we may have switched the execution mode */
4207 ctx->bstate = BS_STOP;
4218 gen_mtc0_store64(arg, offsetof(CPUState, CP0_DEPC));
4228 gen_helper_mtc0_performance0(arg);
4229 rn = "Performance0";
4232 // gen_helper_mtc0_performance1(arg);
4233 rn = "Performance1";
4236 // gen_helper_mtc0_performance2(arg);
4237 rn = "Performance2";
4240 // gen_helper_mtc0_performance3(arg);
4241 rn = "Performance3";
4244 // gen_helper_mtc0_performance4(arg);
4245 rn = "Performance4";
4248 // gen_helper_mtc0_performance5(arg);
4249 rn = "Performance5";
4252 // gen_helper_mtc0_performance6(arg);
4253 rn = "Performance6";
4256 // gen_helper_mtc0_performance7(arg);
4257 rn = "Performance7";
4283 gen_helper_mtc0_taglo(arg);
4290 gen_helper_mtc0_datalo(arg);
4303 gen_helper_mtc0_taghi(arg);
4310 gen_helper_mtc0_datahi(arg);
4321 gen_mtc0_store64(arg, offsetof(CPUState, CP0_ErrorEPC));
4332 gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE));
4338 /* Stop translation as we may have switched the execution mode */
4339 ctx->bstate = BS_STOP;
4344 (void)rn; /* avoid a compiler warning */
4345 LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
4346 /* For simplicity assume that all writes can cause interrupts. */
4349 ctx->bstate = BS_STOP;
4354 LOG_DISAS("mtc0 %s (reg %d sel %d)\n", rn, reg, sel);
4355 generate_exception(ctx, EXCP_RI);
4358 #if defined(TARGET_MIPS64)
4359 static void gen_dmfc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
4361 const char *rn = "invalid";
4364 check_insn(env, ctx, ISA_MIPS64);
4370 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Index));
4374 check_insn(env, ctx, ASE_MT);
4375 gen_helper_mfc0_mvpcontrol(arg);
4379 check_insn(env, ctx, ASE_MT);
4380 gen_helper_mfc0_mvpconf0(arg);
4384 check_insn(env, ctx, ASE_MT);
4385 gen_helper_mfc0_mvpconf1(arg);
4395 gen_helper_mfc0_random(arg);
4399 check_insn(env, ctx, ASE_MT);
4400 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEControl));
4404 check_insn(env, ctx, ASE_MT);
4405 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf0));
4409 check_insn(env, ctx, ASE_MT);
4410 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEConf1));
4414 check_insn(env, ctx, ASE_MT);
4415 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_YQMask));
4419 check_insn(env, ctx, ASE_MT);
4420 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule));
4424 check_insn(env, ctx, ASE_MT);
4425 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack));
4426 rn = "VPEScheFBack";
4429 check_insn(env, ctx, ASE_MT);
4430 gen_mfc0_load32(arg, offsetof(CPUState, CP0_VPEOpt));
4440 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo0));
4444 check_insn(env, ctx, ASE_MT);
4445 gen_helper_mfc0_tcstatus(arg);
4449 check_insn(env, ctx, ASE_MT);
4450 gen_helper_mfc0_tcbind(arg);
4454 check_insn(env, ctx, ASE_MT);
4455 gen_helper_dmfc0_tcrestart(arg);
4459 check_insn(env, ctx, ASE_MT);
4460 gen_helper_dmfc0_tchalt(arg);
4464 check_insn(env, ctx, ASE_MT);
4465 gen_helper_dmfc0_tccontext(arg);
4469 check_insn(env, ctx, ASE_MT);
4470 gen_helper_dmfc0_tcschedule(arg);
4474 check_insn(env, ctx, ASE_MT);
4475 gen_helper_dmfc0_tcschefback(arg);
4485 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryLo1));
4495 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_Context));
4499 // gen_helper_dmfc0_contextconfig(arg); /* SmartMIPS ASE */
4500 rn = "ContextConfig";
4509 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageMask));
4513 check_insn(env, ctx, ISA_MIPS32R2);
4514 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PageGrain));
4524 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Wired));
4528 check_insn(env, ctx, ISA_MIPS32R2);
4529 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf0));
4533 check_insn(env, ctx, ISA_MIPS32R2);
4534 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf1));
4538 check_insn(env, ctx, ISA_MIPS32R2);
4539 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf2));
4543 check_insn(env, ctx, ISA_MIPS32R2);
4544 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf3));
4548 check_insn(env, ctx, ISA_MIPS32R2);
4549 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSConf4));
4559 check_insn(env, ctx, ISA_MIPS32R2);
4560 gen_mfc0_load32(arg, offsetof(CPUState, CP0_HWREna));
4570 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_BadVAddr));
4580 /* Mark as an IO operation because we read the time. */
4583 gen_helper_mfc0_count(arg);
4587 /* Break the TB to be able to take timer interrupts immediately
4588 after reading count. */
4589 ctx->bstate = BS_STOP;
4592 /* 6,7 are implementation dependent */
4600 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EntryHi));
4610 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Compare));
4613 /* 6,7 are implementation dependent */
4621 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Status));
4625 check_insn(env, ctx, ISA_MIPS32R2);
4626 gen_mfc0_load32(arg, offsetof(CPUState, CP0_IntCtl));
4630 check_insn(env, ctx, ISA_MIPS32R2);
4631 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSCtl));
4635 check_insn(env, ctx, ISA_MIPS32R2);
4636 gen_mfc0_load32(arg, offsetof(CPUState, CP0_SRSMap));
4646 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Cause));
4656 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC));
4666 gen_mfc0_load32(arg, offsetof(CPUState, CP0_PRid));
4670 check_insn(env, ctx, ISA_MIPS32R2);
4671 gen_mfc0_load32(arg, offsetof(CPUState, CP0_EBase));
4681 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config0));
4685 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config1));
4689 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config2));
4693 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config3));
4696 /* 6,7 are implementation dependent */
4698 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config6));
4702 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Config7));
4712 gen_helper_dmfc0_lladdr(arg);
4722 gen_helper_1i(dmfc0_watchlo, arg, sel);
4732 gen_helper_1i(mfc0_watchhi, arg, sel);
4742 check_insn(env, ctx, ISA_MIPS3);
4743 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_XContext));
4751 /* Officially reserved, but sel 0 is used for R1x000 framemask */
4754 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Framemask));
4762 tcg_gen_movi_tl(arg, 0); /* unimplemented */
4763 rn = "'Diagnostic"; /* implementation dependent */
4768 gen_helper_mfc0_debug(arg); /* EJTAG support */
4772 // gen_helper_dmfc0_tracecontrol(arg); /* PDtrace support */
4773 rn = "TraceControl";
4776 // gen_helper_dmfc0_tracecontrol2(arg); /* PDtrace support */
4777 rn = "TraceControl2";
4780 // gen_helper_dmfc0_usertracedata(arg); /* PDtrace support */
4781 rn = "UserTraceData";
4784 // gen_helper_dmfc0_tracebpc(arg); /* PDtrace support */
4795 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC));
4805 gen_mfc0_load32(arg, offsetof(CPUState, CP0_Performance0));
4806 rn = "Performance0";
4809 // gen_helper_dmfc0_performance1(arg);
4810 rn = "Performance1";
4813 // gen_helper_dmfc0_performance2(arg);
4814 rn = "Performance2";
4817 // gen_helper_dmfc0_performance3(arg);
4818 rn = "Performance3";
4821 // gen_helper_dmfc0_performance4(arg);
4822 rn = "Performance4";
4825 // gen_helper_dmfc0_performance5(arg);
4826 rn = "Performance5";
4829 // gen_helper_dmfc0_performance6(arg);
4830 rn = "Performance6";
4833 // gen_helper_dmfc0_performance7(arg);
4834 rn = "Performance7";
4841 tcg_gen_movi_tl(arg, 0); /* unimplemented */
4848 tcg_gen_movi_tl(arg, 0); /* unimplemented */
4861 gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagLo));
4868 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataLo));
4881 gen_mfc0_load32(arg, offsetof(CPUState, CP0_TagHi));
4888 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DataHi));
4898 tcg_gen_ld_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
4909 gen_mfc0_load32(arg, offsetof(CPUState, CP0_DESAVE));
4919 (void)rn; /* avoid a compiler warning */
4920 LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
4924 LOG_DISAS("dmfc0 %s (reg %d sel %d)\n", rn, reg, sel);
4925 generate_exception(ctx, EXCP_RI);
4928 static void gen_dmtc0 (CPUState *env, DisasContext *ctx, TCGv arg, int reg, int sel)
4930 const char *rn = "invalid";
4933 check_insn(env, ctx, ISA_MIPS64);
4942 gen_helper_mtc0_index(arg);
4946 check_insn(env, ctx, ASE_MT);
4947 gen_helper_mtc0_mvpcontrol(arg);
4951 check_insn(env, ctx, ASE_MT);
4956 check_insn(env, ctx, ASE_MT);
4971 check_insn(env, ctx, ASE_MT);
4972 gen_helper_mtc0_vpecontrol(arg);
4976 check_insn(env, ctx, ASE_MT);
4977 gen_helper_mtc0_vpeconf0(arg);
4981 check_insn(env, ctx, ASE_MT);
4982 gen_helper_mtc0_vpeconf1(arg);
4986 check_insn(env, ctx, ASE_MT);
4987 gen_helper_mtc0_yqmask(arg);
4991 check_insn(env, ctx, ASE_MT);
4992 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPESchedule));
4996 check_insn(env, ctx, ASE_MT);
4997 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_VPEScheFBack));
4998 rn = "VPEScheFBack";
5001 check_insn(env, ctx, ASE_MT);
5002 gen_helper_mtc0_vpeopt(arg);
5012 gen_helper_mtc0_entrylo0(arg);
5016 check_insn(env, ctx, ASE_MT);
5017 gen_helper_mtc0_tcstatus(arg);
5021 check_insn(env, ctx, ASE_MT);
5022 gen_helper_mtc0_tcbind(arg);
5026 check_insn(env, ctx, ASE_MT);
5027 gen_helper_mtc0_tcrestart(arg);
5031 check_insn(env, ctx, ASE_MT);
5032 gen_helper_mtc0_tchalt(arg);
5036 check_insn(env, ctx, ASE_MT);
5037 gen_helper_mtc0_tccontext(arg);
5041 check_insn(env, ctx, ASE_MT);
5042 gen_helper_mtc0_tcschedule(arg);
5046 check_insn(env, ctx, ASE_MT);
5047 gen_helper_mtc0_tcschefback(arg);
5057 gen_helper_mtc0_entrylo1(arg);
5067 gen_helper_mtc0_context(arg);
5071 // gen_helper_mtc0_contextconfig(arg); /* SmartMIPS ASE */
5072 rn = "ContextConfig";
5081 gen_helper_mtc0_pagemask(arg);
5085 check_insn(env, ctx, ISA_MIPS32R2);
5086 gen_helper_mtc0_pagegrain(arg);
5096 gen_helper_mtc0_wired(arg);
5100 check_insn(env, ctx, ISA_MIPS32R2);
5101 gen_helper_mtc0_srsconf0(arg);
5105 check_insn(env, ctx, ISA_MIPS32R2);
5106 gen_helper_mtc0_srsconf1(arg);
5110 check_insn(env, ctx, ISA_MIPS32R2);
5111 gen_helper_mtc0_srsconf2(arg);
5115 check_insn(env, ctx, ISA_MIPS32R2);
5116 gen_helper_mtc0_srsconf3(arg);
5120 check_insn(env, ctx, ISA_MIPS32R2);
5121 gen_helper_mtc0_srsconf4(arg);
5131 check_insn(env, ctx, ISA_MIPS32R2);
5132 gen_helper_mtc0_hwrena(arg);
5146 gen_helper_mtc0_count(arg);
5149 /* 6,7 are implementation dependent */
5153 /* Stop translation as we may have switched the execution mode */
5154 ctx->bstate = BS_STOP;
5159 gen_helper_mtc0_entryhi(arg);
5169 gen_helper_mtc0_compare(arg);
5172 /* 6,7 are implementation dependent */
5176 /* Stop translation as we may have switched the execution mode */
5177 ctx->bstate = BS_STOP;
5182 save_cpu_state(ctx, 1);
5183 gen_helper_mtc0_status(arg);
5184 /* BS_STOP isn't good enough here, hflags may have changed. */
5185 gen_save_pc(ctx->pc + 4);
5186 ctx->bstate = BS_EXCP;
5190 check_insn(env, ctx, ISA_MIPS32R2);
5191 gen_helper_mtc0_intctl(arg);
5192 /* Stop translation as we may have switched the execution mode */
5193 ctx->bstate = BS_STOP;
5197 check_insn(env, ctx, ISA_MIPS32R2);
5198 gen_helper_mtc0_srsctl(arg);
5199 /* Stop translation as we may have switched the execution mode */
5200 ctx->bstate = BS_STOP;
5204 check_insn(env, ctx, ISA_MIPS32R2);
5205 gen_mtc0_store32(arg, offsetof(CPUState, CP0_SRSMap));
5206 /* Stop translation as we may have switched the execution mode */
5207 ctx->bstate = BS_STOP;
5217 save_cpu_state(ctx, 1);
5218 /* Mark as an IO operation because we may trigger a software
5223 gen_helper_mtc0_cause(arg);
5227 /* Stop translation as we may have triggered an intetrupt */
5228 ctx->bstate = BS_STOP;
5238 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_EPC));
5252 check_insn(env, ctx, ISA_MIPS32R2);
5253 gen_helper_mtc0_ebase(arg);
5263 gen_helper_mtc0_config0(arg);
5265 /* Stop translation as we may have switched the execution mode */
5266 ctx->bstate = BS_STOP;
5269 /* ignored, read only */
5273 gen_helper_mtc0_config2(arg);
5275 /* Stop translation as we may have switched the execution mode */
5276 ctx->bstate = BS_STOP;
5282 /* 6,7 are implementation dependent */
5284 rn = "Invalid config selector";
5291 gen_helper_mtc0_lladdr(arg);
5301 gen_helper_1i(mtc0_watchlo, arg, sel);
5311 gen_helper_1i(mtc0_watchhi, arg, sel);
5321 check_insn(env, ctx, ISA_MIPS3);
5322 gen_helper_mtc0_xcontext(arg);
5330 /* Officially reserved, but sel 0 is used for R1x000 framemask */
5333 gen_helper_mtc0_framemask(arg);
5342 rn = "Diagnostic"; /* implementation dependent */
5347 gen_helper_mtc0_debug(arg); /* EJTAG support */
5348 /* BS_STOP isn't good enough here, hflags may have changed. */
5349 gen_save_pc(ctx->pc + 4);
5350 ctx->bstate = BS_EXCP;
5354 // gen_helper_mtc0_tracecontrol(arg); /* PDtrace support */
5355 /* Stop translation as we may have switched the execution mode */
5356 ctx->bstate = BS_STOP;
5357 rn = "TraceControl";
5360 // gen_helper_mtc0_tracecontrol2(arg); /* PDtrace support */
5361 /* Stop translation as we may have switched the execution mode */
5362 ctx->bstate = BS_STOP;
5363 rn = "TraceControl2";
5366 // gen_helper_mtc0_usertracedata(arg); /* PDtrace support */
5367 /* Stop translation as we may have switched the execution mode */
5368 ctx->bstate = BS_STOP;
5369 rn = "UserTraceData";
5372 // gen_helper_mtc0_tracebpc(arg); /* PDtrace support */
5373 /* Stop translation as we may have switched the execution mode */
5374 ctx->bstate = BS_STOP;
5385 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_DEPC));
5395 gen_helper_mtc0_performance0(arg);
5396 rn = "Performance0";
5399 // gen_helper_mtc0_performance1(arg);
5400 rn = "Performance1";
5403 // gen_helper_mtc0_performance2(arg);
5404 rn = "Performance2";
5407 // gen_helper_mtc0_performance3(arg);
5408 rn = "Performance3";
5411 // gen_helper_mtc0_performance4(arg);
5412 rn = "Performance4";
5415 // gen_helper_mtc0_performance5(arg);
5416 rn = "Performance5";
5419 // gen_helper_mtc0_performance6(arg);
5420 rn = "Performance6";
5423 // gen_helper_mtc0_performance7(arg);
5424 rn = "Performance7";
5450 gen_helper_mtc0_taglo(arg);
5457 gen_helper_mtc0_datalo(arg);
5470 gen_helper_mtc0_taghi(arg);
5477 gen_helper_mtc0_datahi(arg);
5488 tcg_gen_st_tl(arg, cpu_env, offsetof(CPUState, CP0_ErrorEPC));
5499 gen_mtc0_store32(arg, offsetof(CPUState, CP0_DESAVE));
5505 /* Stop translation as we may have switched the execution mode */
5506 ctx->bstate = BS_STOP;
5511 (void)rn; /* avoid a compiler warning */
5512 LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
5513 /* For simplicity assume that all writes can cause interrupts. */
5516 ctx->bstate = BS_STOP;
5521 LOG_DISAS("dmtc0 %s (reg %d sel %d)\n", rn, reg, sel);
5522 generate_exception(ctx, EXCP_RI);
5524 #endif /* TARGET_MIPS64 */
5526 static void gen_mftr(CPUState *env, DisasContext *ctx, int rt, int rd,
5527 int u, int sel, int h)
5529 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
5530 TCGv t0 = tcg_temp_local_new();
5532 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
5533 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
5534 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
5535 tcg_gen_movi_tl(t0, -1);
5536 else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
5537 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
5538 tcg_gen_movi_tl(t0, -1);
5544 gen_helper_mftc0_tcstatus(t0);
5547 gen_helper_mftc0_tcbind(t0);
5550 gen_helper_mftc0_tcrestart(t0);
5553 gen_helper_mftc0_tchalt(t0);
5556 gen_helper_mftc0_tccontext(t0);
5559 gen_helper_mftc0_tcschedule(t0);
5562 gen_helper_mftc0_tcschefback(t0);
5565 gen_mfc0(env, ctx, t0, rt, sel);
5572 gen_helper_mftc0_entryhi(t0);
5575 gen_mfc0(env, ctx, t0, rt, sel);
5581 gen_helper_mftc0_status(t0);
5584 gen_mfc0(env, ctx, t0, rt, sel);
5590 gen_helper_mftc0_debug(t0);
5593 gen_mfc0(env, ctx, t0, rt, sel);
5598 gen_mfc0(env, ctx, t0, rt, sel);
5600 } else switch (sel) {
5601 /* GPR registers. */
5603 gen_helper_1i(mftgpr, t0, rt);
5605 /* Auxiliary CPU registers */
5609 gen_helper_1i(mftlo, t0, 0);
5612 gen_helper_1i(mfthi, t0, 0);
5615 gen_helper_1i(mftacx, t0, 0);
5618 gen_helper_1i(mftlo, t0, 1);
5621 gen_helper_1i(mfthi, t0, 1);
5624 gen_helper_1i(mftacx, t0, 1);
5627 gen_helper_1i(mftlo, t0, 2);
5630 gen_helper_1i(mfthi, t0, 2);
5633 gen_helper_1i(mftacx, t0, 2);
5636 gen_helper_1i(mftlo, t0, 3);
5639 gen_helper_1i(mfthi, t0, 3);
5642 gen_helper_1i(mftacx, t0, 3);
5645 gen_helper_mftdsp(t0);
5651 /* Floating point (COP1). */
5653 /* XXX: For now we support only a single FPU context. */
5655 TCGv_i32 fp0 = tcg_temp_new_i32();
5657 gen_load_fpr32(fp0, rt);
5658 tcg_gen_ext_i32_tl(t0, fp0);
5659 tcg_temp_free_i32(fp0);
5661 TCGv_i32 fp0 = tcg_temp_new_i32();
5663 gen_load_fpr32h(fp0, rt);
5664 tcg_gen_ext_i32_tl(t0, fp0);
5665 tcg_temp_free_i32(fp0);
5669 /* XXX: For now we support only a single FPU context. */
5670 gen_helper_1i(cfc1, t0, rt);
5672 /* COP2: Not implemented. */
5679 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
5680 gen_store_gpr(t0, rd);
5686 LOG_DISAS("mftr (reg %d u %d sel %d h %d)\n", rt, u, sel, h);
5687 generate_exception(ctx, EXCP_RI);
5690 static void gen_mttr(CPUState *env, DisasContext *ctx, int rd, int rt,
5691 int u, int sel, int h)
5693 int other_tc = env->CP0_VPEControl & (0xff << CP0VPECo_TargTC);
5694 TCGv t0 = tcg_temp_local_new();
5696 gen_load_gpr(t0, rt);
5697 if ((env->CP0_VPEConf0 & (1 << CP0VPEC0_MVP)) == 0 &&
5698 ((env->tcs[other_tc].CP0_TCBind & (0xf << CP0TCBd_CurVPE)) !=
5699 (env->active_tc.CP0_TCBind & (0xf << CP0TCBd_CurVPE))))
5701 else if ((env->CP0_VPEControl & (0xff << CP0VPECo_TargTC)) >
5702 (env->mvp->CP0_MVPConf0 & (0xff << CP0MVPC0_PTC)))
5709 gen_helper_mttc0_tcstatus(t0);
5712 gen_helper_mttc0_tcbind(t0);
5715 gen_helper_mttc0_tcrestart(t0);
5718 gen_helper_mttc0_tchalt(t0);
5721 gen_helper_mttc0_tccontext(t0);
5724 gen_helper_mttc0_tcschedule(t0);
5727 gen_helper_mttc0_tcschefback(t0);
5730 gen_mtc0(env, ctx, t0, rd, sel);
5737 gen_helper_mttc0_entryhi(t0);
5740 gen_mtc0(env, ctx, t0, rd, sel);
5746 gen_helper_mttc0_status(t0);
5749 gen_mtc0(env, ctx, t0, rd, sel);
5755 gen_helper_mttc0_debug(t0);
5758 gen_mtc0(env, ctx, t0, rd, sel);
5763 gen_mtc0(env, ctx, t0, rd, sel);
5765 } else switch (sel) {
5766 /* GPR registers. */
5768 gen_helper_1i(mttgpr, t0, rd);
5770 /* Auxiliary CPU registers */
5774 gen_helper_1i(mttlo, t0, 0);
5777 gen_helper_1i(mtthi, t0, 0);
5780 gen_helper_1i(mttacx, t0, 0);
5783 gen_helper_1i(mttlo, t0, 1);
5786 gen_helper_1i(mtthi, t0, 1);
5789 gen_helper_1i(mttacx, t0, 1);
5792 gen_helper_1i(mttlo, t0, 2);
5795 gen_helper_1i(mtthi, t0, 2);
5798 gen_helper_1i(mttacx, t0, 2);
5801 gen_helper_1i(mttlo, t0, 3);
5804 gen_helper_1i(mtthi, t0, 3);
5807 gen_helper_1i(mttacx, t0, 3);
5810 gen_helper_mttdsp(t0);
5816 /* Floating point (COP1). */
5818 /* XXX: For now we support only a single FPU context. */
5820 TCGv_i32 fp0 = tcg_temp_new_i32();
5822 tcg_gen_trunc_tl_i32(fp0, t0);
5823 gen_store_fpr32(fp0, rd);
5824 tcg_temp_free_i32(fp0);
5826 TCGv_i32 fp0 = tcg_temp_new_i32();
5828 tcg_gen_trunc_tl_i32(fp0, t0);
5829 gen_store_fpr32h(fp0, rd);
5830 tcg_temp_free_i32(fp0);
5834 /* XXX: For now we support only a single FPU context. */
5835 gen_helper_1i(ctc1, t0, rd);
5837 /* COP2: Not implemented. */
5844 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
5850 LOG_DISAS("mttr (reg %d u %d sel %d h %d)\n", rd, u, sel, h);
5851 generate_exception(ctx, EXCP_RI);
5854 static void gen_cp0 (CPUState *env, DisasContext *ctx, uint32_t opc, int rt, int rd)
5856 const char *opn = "ldst";
5864 gen_mfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
5869 TCGv t0 = tcg_temp_new();
5871 gen_load_gpr(t0, rt);
5872 gen_mtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
5877 #if defined(TARGET_MIPS64)
5879 check_insn(env, ctx, ISA_MIPS3);
5884 gen_dmfc0(env, ctx, cpu_gpr[rt], rd, ctx->opcode & 0x7);
5888 check_insn(env, ctx, ISA_MIPS3);
5890 TCGv t0 = tcg_temp_new();
5892 gen_load_gpr(t0, rt);
5893 gen_dmtc0(env, ctx, t0, rd, ctx->opcode & 0x7);
5900 check_insn(env, ctx, ASE_MT);
5905 gen_mftr(env, ctx, rt, rd, (ctx->opcode >> 5) & 1,
5906 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
5910 check_insn(env, ctx, ASE_MT);
5911 gen_mttr(env, ctx, rd, rt, (ctx->opcode >> 5) & 1,
5912 ctx->opcode & 0x7, (ctx->opcode >> 4) & 1);
5917 if (!env->tlb->helper_tlbwi)
5923 if (!env->tlb->helper_tlbwr)
5929 if (!env->tlb->helper_tlbp)
5935 if (!env->tlb->helper_tlbr)
5941 check_insn(env, ctx, ISA_MIPS2);
5943 ctx->bstate = BS_EXCP;
5947 check_insn(env, ctx, ISA_MIPS32);
5948 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
5950 generate_exception(ctx, EXCP_RI);
5953 ctx->bstate = BS_EXCP;
5958 check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32);
5959 /* If we get an exception, we want to restart at next instruction */
5961 save_cpu_state(ctx, 1);
5964 ctx->bstate = BS_EXCP;
5969 generate_exception(ctx, EXCP_RI);
5972 (void)opn; /* avoid a compiler warning */
5973 MIPS_DEBUG("%s %s %d", opn, regnames[rt], rd);
5975 #endif /* !CONFIG_USER_ONLY */
5977 /* CP1 Branches (before delay slot) */
5978 static void gen_compute_branch1 (CPUState *env, DisasContext *ctx, uint32_t op,
5979 int32_t cc, int32_t offset)
5981 target_ulong btarget;
5982 const char *opn = "cp1 cond branch";
5983 TCGv_i32 t0 = tcg_temp_new_i32();
5986 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
5988 btarget = ctx->pc + 4 + offset;
5992 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
5993 tcg_gen_not_i32(t0, t0);
5994 tcg_gen_andi_i32(t0, t0, 1);
5995 tcg_gen_extu_i32_tl(bcond, t0);
5999 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6000 tcg_gen_not_i32(t0, t0);
6001 tcg_gen_andi_i32(t0, t0, 1);
6002 tcg_gen_extu_i32_tl(bcond, t0);
6006 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6007 tcg_gen_andi_i32(t0, t0, 1);
6008 tcg_gen_extu_i32_tl(bcond, t0);
6012 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6013 tcg_gen_andi_i32(t0, t0, 1);
6014 tcg_gen_extu_i32_tl(bcond, t0);
6017 ctx->hflags |= MIPS_HFLAG_BL;
6021 TCGv_i32 t1 = tcg_temp_new_i32();
6022 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6023 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
6024 tcg_gen_nor_i32(t0, t0, t1);
6025 tcg_temp_free_i32(t1);
6026 tcg_gen_andi_i32(t0, t0, 1);
6027 tcg_gen_extu_i32_tl(bcond, t0);
6033 TCGv_i32 t1 = tcg_temp_new_i32();
6034 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6035 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
6036 tcg_gen_or_i32(t0, t0, t1);
6037 tcg_temp_free_i32(t1);
6038 tcg_gen_andi_i32(t0, t0, 1);
6039 tcg_gen_extu_i32_tl(bcond, t0);
6045 TCGv_i32 t1 = tcg_temp_new_i32();
6046 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6047 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
6048 tcg_gen_or_i32(t0, t0, t1);
6049 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
6050 tcg_gen_or_i32(t0, t0, t1);
6051 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
6052 tcg_gen_nor_i32(t0, t0, t1);
6053 tcg_temp_free_i32(t1);
6054 tcg_gen_andi_i32(t0, t0, 1);
6055 tcg_gen_extu_i32_tl(bcond, t0);
6061 TCGv_i32 t1 = tcg_temp_new_i32();
6062 tcg_gen_shri_i32(t0, fpu_fcr31, get_fp_bit(cc));
6063 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+1));
6064 tcg_gen_or_i32(t0, t0, t1);
6065 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+2));
6066 tcg_gen_or_i32(t0, t0, t1);
6067 tcg_gen_shri_i32(t1, fpu_fcr31, get_fp_bit(cc+3));
6068 tcg_gen_or_i32(t0, t0, t1);
6069 tcg_temp_free_i32(t1);
6070 tcg_gen_andi_i32(t0, t0, 1);
6071 tcg_gen_extu_i32_tl(bcond, t0);
6075 ctx->hflags |= MIPS_HFLAG_BC;
6079 generate_exception (ctx, EXCP_RI);
6082 (void)opn; /* avoid a compiler warning */
6083 MIPS_DEBUG("%s: cond %02x target " TARGET_FMT_lx, opn,
6084 ctx->hflags, btarget);
6085 ctx->btarget = btarget;
6088 tcg_temp_free_i32(t0);
6091 /* Coprocessor 1 (FPU) */
6093 #define FOP(func, fmt) (((fmt) << 21) | (func))
6096 OPC_ADD_S = FOP(0, FMT_S),
6097 OPC_SUB_S = FOP(1, FMT_S),
6098 OPC_MUL_S = FOP(2, FMT_S),
6099 OPC_DIV_S = FOP(3, FMT_S),
6100 OPC_SQRT_S = FOP(4, FMT_S),
6101 OPC_ABS_S = FOP(5, FMT_S),
6102 OPC_MOV_S = FOP(6, FMT_S),
6103 OPC_NEG_S = FOP(7, FMT_S),
6104 OPC_ROUND_L_S = FOP(8, FMT_S),
6105 OPC_TRUNC_L_S = FOP(9, FMT_S),
6106 OPC_CEIL_L_S = FOP(10, FMT_S),
6107 OPC_FLOOR_L_S = FOP(11, FMT_S),
6108 OPC_ROUND_W_S = FOP(12, FMT_S),
6109 OPC_TRUNC_W_S = FOP(13, FMT_S),
6110 OPC_CEIL_W_S = FOP(14, FMT_S),
6111 OPC_FLOOR_W_S = FOP(15, FMT_S),
6112 OPC_MOVCF_S = FOP(17, FMT_S),
6113 OPC_MOVZ_S = FOP(18, FMT_S),
6114 OPC_MOVN_S = FOP(19, FMT_S),
6115 OPC_RECIP_S = FOP(21, FMT_S),
6116 OPC_RSQRT_S = FOP(22, FMT_S),
6117 OPC_RECIP2_S = FOP(28, FMT_S),
6118 OPC_RECIP1_S = FOP(29, FMT_S),
6119 OPC_RSQRT1_S = FOP(30, FMT_S),
6120 OPC_RSQRT2_S = FOP(31, FMT_S),
6121 OPC_CVT_D_S = FOP(33, FMT_S),
6122 OPC_CVT_W_S = FOP(36, FMT_S),
6123 OPC_CVT_L_S = FOP(37, FMT_S),
6124 OPC_CVT_PS_S = FOP(38, FMT_S),
6125 OPC_CMP_F_S = FOP (48, FMT_S),
6126 OPC_CMP_UN_S = FOP (49, FMT_S),
6127 OPC_CMP_EQ_S = FOP (50, FMT_S),
6128 OPC_CMP_UEQ_S = FOP (51, FMT_S),
6129 OPC_CMP_OLT_S = FOP (52, FMT_S),
6130 OPC_CMP_ULT_S = FOP (53, FMT_S),
6131 OPC_CMP_OLE_S = FOP (54, FMT_S),
6132 OPC_CMP_ULE_S = FOP (55, FMT_S),
6133 OPC_CMP_SF_S = FOP (56, FMT_S),
6134 OPC_CMP_NGLE_S = FOP (57, FMT_S),
6135 OPC_CMP_SEQ_S = FOP (58, FMT_S),
6136 OPC_CMP_NGL_S = FOP (59, FMT_S),
6137 OPC_CMP_LT_S = FOP (60, FMT_S),
6138 OPC_CMP_NGE_S = FOP (61, FMT_S),
6139 OPC_CMP_LE_S = FOP (62, FMT_S),
6140 OPC_CMP_NGT_S = FOP (63, FMT_S),
6142 OPC_ADD_D = FOP(0, FMT_D),
6143 OPC_SUB_D = FOP(1, FMT_D),
6144 OPC_MUL_D = FOP(2, FMT_D),
6145 OPC_DIV_D = FOP(3, FMT_D),
6146 OPC_SQRT_D = FOP(4, FMT_D),
6147 OPC_ABS_D = FOP(5, FMT_D),
6148 OPC_MOV_D = FOP(6, FMT_D),
6149 OPC_NEG_D = FOP(7, FMT_D),
6150 OPC_ROUND_L_D = FOP(8, FMT_D),
6151 OPC_TRUNC_L_D = FOP(9, FMT_D),
6152 OPC_CEIL_L_D = FOP(10, FMT_D),
6153 OPC_FLOOR_L_D = FOP(11, FMT_D),
6154 OPC_ROUND_W_D = FOP(12, FMT_D),
6155 OPC_TRUNC_W_D = FOP(13, FMT_D),
6156 OPC_CEIL_W_D = FOP(14, FMT_D),
6157 OPC_FLOOR_W_D = FOP(15, FMT_D),
6158 OPC_MOVCF_D = FOP(17, FMT_D),
6159 OPC_MOVZ_D = FOP(18, FMT_D),
6160 OPC_MOVN_D = FOP(19, FMT_D),
6161 OPC_RECIP_D = FOP(21, FMT_D),
6162 OPC_RSQRT_D = FOP(22, FMT_D),
6163 OPC_RECIP2_D = FOP(28, FMT_D),
6164 OPC_RECIP1_D = FOP(29, FMT_D),
6165 OPC_RSQRT1_D = FOP(30, FMT_D),
6166 OPC_RSQRT2_D = FOP(31, FMT_D),
6167 OPC_CVT_S_D = FOP(32, FMT_D),
6168 OPC_CVT_W_D = FOP(36, FMT_D),
6169 OPC_CVT_L_D = FOP(37, FMT_D),
6170 OPC_CMP_F_D = FOP (48, FMT_D),
6171 OPC_CMP_UN_D = FOP (49, FMT_D),
6172 OPC_CMP_EQ_D = FOP (50, FMT_D),
6173 OPC_CMP_UEQ_D = FOP (51, FMT_D),
6174 OPC_CMP_OLT_D = FOP (52, FMT_D),
6175 OPC_CMP_ULT_D = FOP (53, FMT_D),
6176 OPC_CMP_OLE_D = FOP (54, FMT_D),
6177 OPC_CMP_ULE_D = FOP (55, FMT_D),
6178 OPC_CMP_SF_D = FOP (56, FMT_D),
6179 OPC_CMP_NGLE_D = FOP (57, FMT_D),
6180 OPC_CMP_SEQ_D = FOP (58, FMT_D),
6181 OPC_CMP_NGL_D = FOP (59, FMT_D),
6182 OPC_CMP_LT_D = FOP (60, FMT_D),
6183 OPC_CMP_NGE_D = FOP (61, FMT_D),
6184 OPC_CMP_LE_D = FOP (62, FMT_D),
6185 OPC_CMP_NGT_D = FOP (63, FMT_D),
6187 OPC_CVT_S_W = FOP(32, FMT_W),
6188 OPC_CVT_D_W = FOP(33, FMT_W),
6189 OPC_CVT_S_L = FOP(32, FMT_L),
6190 OPC_CVT_D_L = FOP(33, FMT_L),
6191 OPC_CVT_PS_PW = FOP(38, FMT_W),
6193 OPC_ADD_PS = FOP(0, FMT_PS),
6194 OPC_SUB_PS = FOP(1, FMT_PS),
6195 OPC_MUL_PS = FOP(2, FMT_PS),
6196 OPC_DIV_PS = FOP(3, FMT_PS),
6197 OPC_ABS_PS = FOP(5, FMT_PS),
6198 OPC_MOV_PS = FOP(6, FMT_PS),
6199 OPC_NEG_PS = FOP(7, FMT_PS),
6200 OPC_MOVCF_PS = FOP(17, FMT_PS),
6201 OPC_MOVZ_PS = FOP(18, FMT_PS),
6202 OPC_MOVN_PS = FOP(19, FMT_PS),
6203 OPC_ADDR_PS = FOP(24, FMT_PS),
6204 OPC_MULR_PS = FOP(26, FMT_PS),
6205 OPC_RECIP2_PS = FOP(28, FMT_PS),
6206 OPC_RECIP1_PS = FOP(29, FMT_PS),
6207 OPC_RSQRT1_PS = FOP(30, FMT_PS),
6208 OPC_RSQRT2_PS = FOP(31, FMT_PS),
6210 OPC_CVT_S_PU = FOP(32, FMT_PS),
6211 OPC_CVT_PW_PS = FOP(36, FMT_PS),
6212 OPC_CVT_S_PL = FOP(40, FMT_PS),
6213 OPC_PLL_PS = FOP(44, FMT_PS),
6214 OPC_PLU_PS = FOP(45, FMT_PS),
6215 OPC_PUL_PS = FOP(46, FMT_PS),
6216 OPC_PUU_PS = FOP(47, FMT_PS),
6217 OPC_CMP_F_PS = FOP (48, FMT_PS),
6218 OPC_CMP_UN_PS = FOP (49, FMT_PS),
6219 OPC_CMP_EQ_PS = FOP (50, FMT_PS),
6220 OPC_CMP_UEQ_PS = FOP (51, FMT_PS),
6221 OPC_CMP_OLT_PS = FOP (52, FMT_PS),
6222 OPC_CMP_ULT_PS = FOP (53, FMT_PS),
6223 OPC_CMP_OLE_PS = FOP (54, FMT_PS),
6224 OPC_CMP_ULE_PS = FOP (55, FMT_PS),
6225 OPC_CMP_SF_PS = FOP (56, FMT_PS),
6226 OPC_CMP_NGLE_PS = FOP (57, FMT_PS),
6227 OPC_CMP_SEQ_PS = FOP (58, FMT_PS),
6228 OPC_CMP_NGL_PS = FOP (59, FMT_PS),
6229 OPC_CMP_LT_PS = FOP (60, FMT_PS),
6230 OPC_CMP_NGE_PS = FOP (61, FMT_PS),
6231 OPC_CMP_LE_PS = FOP (62, FMT_PS),
6232 OPC_CMP_NGT_PS = FOP (63, FMT_PS),
6235 static void gen_cp1 (DisasContext *ctx, uint32_t opc, int rt, int fs)
6237 const char *opn = "cp1 move";
6238 TCGv t0 = tcg_temp_new();
6243 TCGv_i32 fp0 = tcg_temp_new_i32();
6245 gen_load_fpr32(fp0, fs);
6246 tcg_gen_ext_i32_tl(t0, fp0);
6247 tcg_temp_free_i32(fp0);
6249 gen_store_gpr(t0, rt);
6253 gen_load_gpr(t0, rt);
6255 TCGv_i32 fp0 = tcg_temp_new_i32();
6257 tcg_gen_trunc_tl_i32(fp0, t0);
6258 gen_store_fpr32(fp0, fs);
6259 tcg_temp_free_i32(fp0);
6264 gen_helper_1i(cfc1, t0, fs);
6265 gen_store_gpr(t0, rt);
6269 gen_load_gpr(t0, rt);
6270 gen_helper_1i(ctc1, t0, fs);
6273 #if defined(TARGET_MIPS64)
6275 gen_load_fpr64(ctx, t0, fs);
6276 gen_store_gpr(t0, rt);
6280 gen_load_gpr(t0, rt);
6281 gen_store_fpr64(ctx, t0, fs);
6287 TCGv_i32 fp0 = tcg_temp_new_i32();
6289 gen_load_fpr32h(fp0, fs);
6290 tcg_gen_ext_i32_tl(t0, fp0);
6291 tcg_temp_free_i32(fp0);
6293 gen_store_gpr(t0, rt);
6297 gen_load_gpr(t0, rt);
6299 TCGv_i32 fp0 = tcg_temp_new_i32();
6301 tcg_gen_trunc_tl_i32(fp0, t0);
6302 gen_store_fpr32h(fp0, fs);
6303 tcg_temp_free_i32(fp0);
6309 generate_exception (ctx, EXCP_RI);
6312 (void)opn; /* avoid a compiler warning */
6313 MIPS_DEBUG("%s %s %s", opn, regnames[rt], fregnames[fs]);
6319 static void gen_movci (DisasContext *ctx, int rd, int rs, int cc, int tf)
6335 l1 = gen_new_label();
6336 t0 = tcg_temp_new_i32();
6337 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
6338 tcg_gen_brcondi_i32(cond, t0, 0, l1);
6339 tcg_temp_free_i32(t0);
6341 tcg_gen_movi_tl(cpu_gpr[rd], 0);
6343 tcg_gen_mov_tl(cpu_gpr[rd], cpu_gpr[rs]);
6348 static inline void gen_movcf_s (int fs, int fd, int cc, int tf)
6351 TCGv_i32 t0 = tcg_temp_new_i32();
6352 int l1 = gen_new_label();
6359 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
6360 tcg_gen_brcondi_i32(cond, t0, 0, l1);
6361 gen_load_fpr32(t0, fs);
6362 gen_store_fpr32(t0, fd);
6364 tcg_temp_free_i32(t0);
6367 static inline void gen_movcf_d (DisasContext *ctx, int fs, int fd, int cc, int tf)
6370 TCGv_i32 t0 = tcg_temp_new_i32();
6372 int l1 = gen_new_label();
6379 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
6380 tcg_gen_brcondi_i32(cond, t0, 0, l1);
6381 tcg_temp_free_i32(t0);
6382 fp0 = tcg_temp_new_i64();
6383 gen_load_fpr64(ctx, fp0, fs);
6384 gen_store_fpr64(ctx, fp0, fd);
6385 tcg_temp_free_i64(fp0);
6389 static inline void gen_movcf_ps (int fs, int fd, int cc, int tf)
6392 TCGv_i32 t0 = tcg_temp_new_i32();
6393 int l1 = gen_new_label();
6394 int l2 = gen_new_label();
6401 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc));
6402 tcg_gen_brcondi_i32(cond, t0, 0, l1);
6403 gen_load_fpr32(t0, fs);
6404 gen_store_fpr32(t0, fd);
6407 tcg_gen_andi_i32(t0, fpu_fcr31, 1 << get_fp_bit(cc+1));
6408 tcg_gen_brcondi_i32(cond, t0, 0, l2);
6409 gen_load_fpr32h(t0, fs);
6410 gen_store_fpr32h(t0, fd);
6411 tcg_temp_free_i32(t0);
6416 static void gen_farith (DisasContext *ctx, enum fopcode op1,
6417 int ft, int fs, int fd, int cc)
6419 const char *opn = "farith";
6420 const char *condnames[] = {
6438 const char *condnames_abs[] = {
6456 enum { BINOP, CMPOP, OTHEROP } optype = OTHEROP;
6457 uint32_t func = ctx->opcode & 0x3f;
6462 TCGv_i32 fp0 = tcg_temp_new_i32();
6463 TCGv_i32 fp1 = tcg_temp_new_i32();
6465 gen_load_fpr32(fp0, fs);
6466 gen_load_fpr32(fp1, ft);
6467 gen_helper_float_add_s(fp0, fp0, fp1);
6468 tcg_temp_free_i32(fp1);
6469 gen_store_fpr32(fp0, fd);
6470 tcg_temp_free_i32(fp0);
6477 TCGv_i32 fp0 = tcg_temp_new_i32();
6478 TCGv_i32 fp1 = tcg_temp_new_i32();
6480 gen_load_fpr32(fp0, fs);
6481 gen_load_fpr32(fp1, ft);
6482 gen_helper_float_sub_s(fp0, fp0, fp1);
6483 tcg_temp_free_i32(fp1);
6484 gen_store_fpr32(fp0, fd);
6485 tcg_temp_free_i32(fp0);
6492 TCGv_i32 fp0 = tcg_temp_new_i32();
6493 TCGv_i32 fp1 = tcg_temp_new_i32();
6495 gen_load_fpr32(fp0, fs);
6496 gen_load_fpr32(fp1, ft);
6497 gen_helper_float_mul_s(fp0, fp0, fp1);
6498 tcg_temp_free_i32(fp1);
6499 gen_store_fpr32(fp0, fd);
6500 tcg_temp_free_i32(fp0);
6507 TCGv_i32 fp0 = tcg_temp_new_i32();
6508 TCGv_i32 fp1 = tcg_temp_new_i32();
6510 gen_load_fpr32(fp0, fs);
6511 gen_load_fpr32(fp1, ft);
6512 gen_helper_float_div_s(fp0, fp0, fp1);
6513 tcg_temp_free_i32(fp1);
6514 gen_store_fpr32(fp0, fd);
6515 tcg_temp_free_i32(fp0);
6522 TCGv_i32 fp0 = tcg_temp_new_i32();
6524 gen_load_fpr32(fp0, fs);
6525 gen_helper_float_sqrt_s(fp0, fp0);
6526 gen_store_fpr32(fp0, fd);
6527 tcg_temp_free_i32(fp0);
6533 TCGv_i32 fp0 = tcg_temp_new_i32();
6535 gen_load_fpr32(fp0, fs);
6536 gen_helper_float_abs_s(fp0, fp0);
6537 gen_store_fpr32(fp0, fd);
6538 tcg_temp_free_i32(fp0);
6544 TCGv_i32 fp0 = tcg_temp_new_i32();
6546 gen_load_fpr32(fp0, fs);
6547 gen_store_fpr32(fp0, fd);
6548 tcg_temp_free_i32(fp0);
6554 TCGv_i32 fp0 = tcg_temp_new_i32();
6556 gen_load_fpr32(fp0, fs);
6557 gen_helper_float_chs_s(fp0, fp0);
6558 gen_store_fpr32(fp0, fd);
6559 tcg_temp_free_i32(fp0);
6564 check_cp1_64bitmode(ctx);
6566 TCGv_i32 fp32 = tcg_temp_new_i32();
6567 TCGv_i64 fp64 = tcg_temp_new_i64();
6569 gen_load_fpr32(fp32, fs);
6570 gen_helper_float_roundl_s(fp64, fp32);
6571 tcg_temp_free_i32(fp32);
6572 gen_store_fpr64(ctx, fp64, fd);
6573 tcg_temp_free_i64(fp64);
6578 check_cp1_64bitmode(ctx);
6580 TCGv_i32 fp32 = tcg_temp_new_i32();
6581 TCGv_i64 fp64 = tcg_temp_new_i64();
6583 gen_load_fpr32(fp32, fs);
6584 gen_helper_float_truncl_s(fp64, fp32);
6585 tcg_temp_free_i32(fp32);
6586 gen_store_fpr64(ctx, fp64, fd);
6587 tcg_temp_free_i64(fp64);
6592 check_cp1_64bitmode(ctx);
6594 TCGv_i32 fp32 = tcg_temp_new_i32();
6595 TCGv_i64 fp64 = tcg_temp_new_i64();
6597 gen_load_fpr32(fp32, fs);
6598 gen_helper_float_ceill_s(fp64, fp32);
6599 tcg_temp_free_i32(fp32);
6600 gen_store_fpr64(ctx, fp64, fd);
6601 tcg_temp_free_i64(fp64);
6606 check_cp1_64bitmode(ctx);
6608 TCGv_i32 fp32 = tcg_temp_new_i32();
6609 TCGv_i64 fp64 = tcg_temp_new_i64();
6611 gen_load_fpr32(fp32, fs);
6612 gen_helper_float_floorl_s(fp64, fp32);
6613 tcg_temp_free_i32(fp32);
6614 gen_store_fpr64(ctx, fp64, fd);
6615 tcg_temp_free_i64(fp64);
6621 TCGv_i32 fp0 = tcg_temp_new_i32();
6623 gen_load_fpr32(fp0, fs);
6624 gen_helper_float_roundw_s(fp0, fp0);
6625 gen_store_fpr32(fp0, fd);
6626 tcg_temp_free_i32(fp0);
6632 TCGv_i32 fp0 = tcg_temp_new_i32();
6634 gen_load_fpr32(fp0, fs);
6635 gen_helper_float_truncw_s(fp0, fp0);
6636 gen_store_fpr32(fp0, fd);
6637 tcg_temp_free_i32(fp0);
6643 TCGv_i32 fp0 = tcg_temp_new_i32();
6645 gen_load_fpr32(fp0, fs);
6646 gen_helper_float_ceilw_s(fp0, fp0);
6647 gen_store_fpr32(fp0, fd);
6648 tcg_temp_free_i32(fp0);
6654 TCGv_i32 fp0 = tcg_temp_new_i32();
6656 gen_load_fpr32(fp0, fs);
6657 gen_helper_float_floorw_s(fp0, fp0);
6658 gen_store_fpr32(fp0, fd);
6659 tcg_temp_free_i32(fp0);
6664 gen_movcf_s(fs, fd, (ft >> 2) & 0x7, ft & 0x1);
6669 int l1 = gen_new_label();
6673 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
6675 fp0 = tcg_temp_new_i32();
6676 gen_load_fpr32(fp0, fs);
6677 gen_store_fpr32(fp0, fd);
6678 tcg_temp_free_i32(fp0);
6685 int l1 = gen_new_label();
6689 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
6690 fp0 = tcg_temp_new_i32();
6691 gen_load_fpr32(fp0, fs);
6692 gen_store_fpr32(fp0, fd);
6693 tcg_temp_free_i32(fp0);
6702 TCGv_i32 fp0 = tcg_temp_new_i32();
6704 gen_load_fpr32(fp0, fs);
6705 gen_helper_float_recip_s(fp0, fp0);
6706 gen_store_fpr32(fp0, fd);
6707 tcg_temp_free_i32(fp0);
6714 TCGv_i32 fp0 = tcg_temp_new_i32();
6716 gen_load_fpr32(fp0, fs);
6717 gen_helper_float_rsqrt_s(fp0, fp0);
6718 gen_store_fpr32(fp0, fd);
6719 tcg_temp_free_i32(fp0);
6724 check_cp1_64bitmode(ctx);
6726 TCGv_i32 fp0 = tcg_temp_new_i32();
6727 TCGv_i32 fp1 = tcg_temp_new_i32();
6729 gen_load_fpr32(fp0, fs);
6730 gen_load_fpr32(fp1, fd);
6731 gen_helper_float_recip2_s(fp0, fp0, fp1);
6732 tcg_temp_free_i32(fp1);
6733 gen_store_fpr32(fp0, fd);
6734 tcg_temp_free_i32(fp0);
6739 check_cp1_64bitmode(ctx);
6741 TCGv_i32 fp0 = tcg_temp_new_i32();
6743 gen_load_fpr32(fp0, fs);
6744 gen_helper_float_recip1_s(fp0, fp0);
6745 gen_store_fpr32(fp0, fd);
6746 tcg_temp_free_i32(fp0);
6751 check_cp1_64bitmode(ctx);
6753 TCGv_i32 fp0 = tcg_temp_new_i32();
6755 gen_load_fpr32(fp0, fs);
6756 gen_helper_float_rsqrt1_s(fp0, fp0);
6757 gen_store_fpr32(fp0, fd);
6758 tcg_temp_free_i32(fp0);
6763 check_cp1_64bitmode(ctx);
6765 TCGv_i32 fp0 = tcg_temp_new_i32();
6766 TCGv_i32 fp1 = tcg_temp_new_i32();
6768 gen_load_fpr32(fp0, fs);
6769 gen_load_fpr32(fp1, ft);
6770 gen_helper_float_rsqrt2_s(fp0, fp0, fp1);
6771 tcg_temp_free_i32(fp1);
6772 gen_store_fpr32(fp0, fd);
6773 tcg_temp_free_i32(fp0);
6778 check_cp1_registers(ctx, fd);
6780 TCGv_i32 fp32 = tcg_temp_new_i32();
6781 TCGv_i64 fp64 = tcg_temp_new_i64();
6783 gen_load_fpr32(fp32, fs);
6784 gen_helper_float_cvtd_s(fp64, fp32);
6785 tcg_temp_free_i32(fp32);
6786 gen_store_fpr64(ctx, fp64, fd);
6787 tcg_temp_free_i64(fp64);
6793 TCGv_i32 fp0 = tcg_temp_new_i32();
6795 gen_load_fpr32(fp0, fs);
6796 gen_helper_float_cvtw_s(fp0, fp0);
6797 gen_store_fpr32(fp0, fd);
6798 tcg_temp_free_i32(fp0);
6803 check_cp1_64bitmode(ctx);
6805 TCGv_i32 fp32 = tcg_temp_new_i32();
6806 TCGv_i64 fp64 = tcg_temp_new_i64();
6808 gen_load_fpr32(fp32, fs);
6809 gen_helper_float_cvtl_s(fp64, fp32);
6810 tcg_temp_free_i32(fp32);
6811 gen_store_fpr64(ctx, fp64, fd);
6812 tcg_temp_free_i64(fp64);
6817 check_cp1_64bitmode(ctx);
6819 TCGv_i64 fp64 = tcg_temp_new_i64();
6820 TCGv_i32 fp32_0 = tcg_temp_new_i32();
6821 TCGv_i32 fp32_1 = tcg_temp_new_i32();
6823 gen_load_fpr32(fp32_0, fs);
6824 gen_load_fpr32(fp32_1, ft);
6825 tcg_gen_concat_i32_i64(fp64, fp32_0, fp32_1);
6826 tcg_temp_free_i32(fp32_1);
6827 tcg_temp_free_i32(fp32_0);
6828 gen_store_fpr64(ctx, fp64, fd);
6829 tcg_temp_free_i64(fp64);
6842 case OPC_CMP_NGLE_S:
6849 if (ctx->opcode & (1 << 6)) {
6850 gen_cmpabs_s(ctx, func-48, ft, fs, cc);
6851 opn = condnames_abs[func-48];
6853 gen_cmp_s(ctx, func-48, ft, fs, cc);
6854 opn = condnames[func-48];
6858 check_cp1_registers(ctx, fs | ft | fd);
6860 TCGv_i64 fp0 = tcg_temp_new_i64();
6861 TCGv_i64 fp1 = tcg_temp_new_i64();
6863 gen_load_fpr64(ctx, fp0, fs);
6864 gen_load_fpr64(ctx, fp1, ft);
6865 gen_helper_float_add_d(fp0, fp0, fp1);
6866 tcg_temp_free_i64(fp1);
6867 gen_store_fpr64(ctx, fp0, fd);
6868 tcg_temp_free_i64(fp0);
6874 check_cp1_registers(ctx, fs | ft | fd);
6876 TCGv_i64 fp0 = tcg_temp_new_i64();
6877 TCGv_i64 fp1 = tcg_temp_new_i64();
6879 gen_load_fpr64(ctx, fp0, fs);
6880 gen_load_fpr64(ctx, fp1, ft);
6881 gen_helper_float_sub_d(fp0, fp0, fp1);
6882 tcg_temp_free_i64(fp1);
6883 gen_store_fpr64(ctx, fp0, fd);
6884 tcg_temp_free_i64(fp0);
6890 check_cp1_registers(ctx, fs | ft | fd);
6892 TCGv_i64 fp0 = tcg_temp_new_i64();
6893 TCGv_i64 fp1 = tcg_temp_new_i64();
6895 gen_load_fpr64(ctx, fp0, fs);
6896 gen_load_fpr64(ctx, fp1, ft);
6897 gen_helper_float_mul_d(fp0, fp0, fp1);
6898 tcg_temp_free_i64(fp1);
6899 gen_store_fpr64(ctx, fp0, fd);
6900 tcg_temp_free_i64(fp0);
6906 check_cp1_registers(ctx, fs | ft | fd);
6908 TCGv_i64 fp0 = tcg_temp_new_i64();
6909 TCGv_i64 fp1 = tcg_temp_new_i64();
6911 gen_load_fpr64(ctx, fp0, fs);
6912 gen_load_fpr64(ctx, fp1, ft);
6913 gen_helper_float_div_d(fp0, fp0, fp1);
6914 tcg_temp_free_i64(fp1);
6915 gen_store_fpr64(ctx, fp0, fd);
6916 tcg_temp_free_i64(fp0);
6922 check_cp1_registers(ctx, fs | fd);
6924 TCGv_i64 fp0 = tcg_temp_new_i64();
6926 gen_load_fpr64(ctx, fp0, fs);
6927 gen_helper_float_sqrt_d(fp0, fp0);
6928 gen_store_fpr64(ctx, fp0, fd);
6929 tcg_temp_free_i64(fp0);
6934 check_cp1_registers(ctx, fs | fd);
6936 TCGv_i64 fp0 = tcg_temp_new_i64();
6938 gen_load_fpr64(ctx, fp0, fs);
6939 gen_helper_float_abs_d(fp0, fp0);
6940 gen_store_fpr64(ctx, fp0, fd);
6941 tcg_temp_free_i64(fp0);
6946 check_cp1_registers(ctx, fs | fd);
6948 TCGv_i64 fp0 = tcg_temp_new_i64();
6950 gen_load_fpr64(ctx, fp0, fs);
6951 gen_store_fpr64(ctx, fp0, fd);
6952 tcg_temp_free_i64(fp0);
6957 check_cp1_registers(ctx, fs | fd);
6959 TCGv_i64 fp0 = tcg_temp_new_i64();
6961 gen_load_fpr64(ctx, fp0, fs);
6962 gen_helper_float_chs_d(fp0, fp0);
6963 gen_store_fpr64(ctx, fp0, fd);
6964 tcg_temp_free_i64(fp0);
6969 check_cp1_64bitmode(ctx);
6971 TCGv_i64 fp0 = tcg_temp_new_i64();
6973 gen_load_fpr64(ctx, fp0, fs);
6974 gen_helper_float_roundl_d(fp0, fp0);
6975 gen_store_fpr64(ctx, fp0, fd);
6976 tcg_temp_free_i64(fp0);
6981 check_cp1_64bitmode(ctx);
6983 TCGv_i64 fp0 = tcg_temp_new_i64();
6985 gen_load_fpr64(ctx, fp0, fs);
6986 gen_helper_float_truncl_d(fp0, fp0);
6987 gen_store_fpr64(ctx, fp0, fd);
6988 tcg_temp_free_i64(fp0);
6993 check_cp1_64bitmode(ctx);
6995 TCGv_i64 fp0 = tcg_temp_new_i64();
6997 gen_load_fpr64(ctx, fp0, fs);
6998 gen_helper_float_ceill_d(fp0, fp0);
6999 gen_store_fpr64(ctx, fp0, fd);
7000 tcg_temp_free_i64(fp0);
7005 check_cp1_64bitmode(ctx);
7007 TCGv_i64 fp0 = tcg_temp_new_i64();
7009 gen_load_fpr64(ctx, fp0, fs);
7010 gen_helper_float_floorl_d(fp0, fp0);
7011 gen_store_fpr64(ctx, fp0, fd);
7012 tcg_temp_free_i64(fp0);
7017 check_cp1_registers(ctx, fs);
7019 TCGv_i32 fp32 = tcg_temp_new_i32();
7020 TCGv_i64 fp64 = tcg_temp_new_i64();
7022 gen_load_fpr64(ctx, fp64, fs);
7023 gen_helper_float_roundw_d(fp32, fp64);
7024 tcg_temp_free_i64(fp64);
7025 gen_store_fpr32(fp32, fd);
7026 tcg_temp_free_i32(fp32);
7031 check_cp1_registers(ctx, fs);
7033 TCGv_i32 fp32 = tcg_temp_new_i32();
7034 TCGv_i64 fp64 = tcg_temp_new_i64();
7036 gen_load_fpr64(ctx, fp64, fs);
7037 gen_helper_float_truncw_d(fp32, fp64);
7038 tcg_temp_free_i64(fp64);
7039 gen_store_fpr32(fp32, fd);
7040 tcg_temp_free_i32(fp32);
7045 check_cp1_registers(ctx, fs);
7047 TCGv_i32 fp32 = tcg_temp_new_i32();
7048 TCGv_i64 fp64 = tcg_temp_new_i64();
7050 gen_load_fpr64(ctx, fp64, fs);
7051 gen_helper_float_ceilw_d(fp32, fp64);
7052 tcg_temp_free_i64(fp64);
7053 gen_store_fpr32(fp32, fd);
7054 tcg_temp_free_i32(fp32);
7059 check_cp1_registers(ctx, fs);
7061 TCGv_i32 fp32 = tcg_temp_new_i32();
7062 TCGv_i64 fp64 = tcg_temp_new_i64();
7064 gen_load_fpr64(ctx, fp64, fs);
7065 gen_helper_float_floorw_d(fp32, fp64);
7066 tcg_temp_free_i64(fp64);
7067 gen_store_fpr32(fp32, fd);
7068 tcg_temp_free_i32(fp32);
7073 gen_movcf_d(ctx, fs, fd, (ft >> 2) & 0x7, ft & 0x1);
7078 int l1 = gen_new_label();
7082 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
7084 fp0 = tcg_temp_new_i64();
7085 gen_load_fpr64(ctx, fp0, fs);
7086 gen_store_fpr64(ctx, fp0, fd);
7087 tcg_temp_free_i64(fp0);
7094 int l1 = gen_new_label();
7098 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
7099 fp0 = tcg_temp_new_i64();
7100 gen_load_fpr64(ctx, fp0, fs);
7101 gen_store_fpr64(ctx, fp0, fd);
7102 tcg_temp_free_i64(fp0);
7109 check_cp1_64bitmode(ctx);
7111 TCGv_i64 fp0 = tcg_temp_new_i64();
7113 gen_load_fpr64(ctx, fp0, fs);
7114 gen_helper_float_recip_d(fp0, fp0);
7115 gen_store_fpr64(ctx, fp0, fd);
7116 tcg_temp_free_i64(fp0);
7121 check_cp1_64bitmode(ctx);
7123 TCGv_i64 fp0 = tcg_temp_new_i64();
7125 gen_load_fpr64(ctx, fp0, fs);
7126 gen_helper_float_rsqrt_d(fp0, fp0);
7127 gen_store_fpr64(ctx, fp0, fd);
7128 tcg_temp_free_i64(fp0);
7133 check_cp1_64bitmode(ctx);
7135 TCGv_i64 fp0 = tcg_temp_new_i64();
7136 TCGv_i64 fp1 = tcg_temp_new_i64();
7138 gen_load_fpr64(ctx, fp0, fs);
7139 gen_load_fpr64(ctx, fp1, ft);
7140 gen_helper_float_recip2_d(fp0, fp0, fp1);
7141 tcg_temp_free_i64(fp1);
7142 gen_store_fpr64(ctx, fp0, fd);
7143 tcg_temp_free_i64(fp0);
7148 check_cp1_64bitmode(ctx);
7150 TCGv_i64 fp0 = tcg_temp_new_i64();
7152 gen_load_fpr64(ctx, fp0, fs);
7153 gen_helper_float_recip1_d(fp0, fp0);
7154 gen_store_fpr64(ctx, fp0, fd);
7155 tcg_temp_free_i64(fp0);
7160 check_cp1_64bitmode(ctx);
7162 TCGv_i64 fp0 = tcg_temp_new_i64();
7164 gen_load_fpr64(ctx, fp0, fs);
7165 gen_helper_float_rsqrt1_d(fp0, fp0);
7166 gen_store_fpr64(ctx, fp0, fd);
7167 tcg_temp_free_i64(fp0);
7172 check_cp1_64bitmode(ctx);
7174 TCGv_i64 fp0 = tcg_temp_new_i64();
7175 TCGv_i64 fp1 = tcg_temp_new_i64();
7177 gen_load_fpr64(ctx, fp0, fs);
7178 gen_load_fpr64(ctx, fp1, ft);
7179 gen_helper_float_rsqrt2_d(fp0, fp0, fp1);
7180 tcg_temp_free_i64(fp1);
7181 gen_store_fpr64(ctx, fp0, fd);
7182 tcg_temp_free_i64(fp0);
7195 case OPC_CMP_NGLE_D:
7202 if (ctx->opcode & (1 << 6)) {
7203 gen_cmpabs_d(ctx, func-48, ft, fs, cc);
7204 opn = condnames_abs[func-48];
7206 gen_cmp_d(ctx, func-48, ft, fs, cc);
7207 opn = condnames[func-48];
7211 check_cp1_registers(ctx, fs);
7213 TCGv_i32 fp32 = tcg_temp_new_i32();
7214 TCGv_i64 fp64 = tcg_temp_new_i64();
7216 gen_load_fpr64(ctx, fp64, fs);
7217 gen_helper_float_cvts_d(fp32, fp64);
7218 tcg_temp_free_i64(fp64);
7219 gen_store_fpr32(fp32, fd);
7220 tcg_temp_free_i32(fp32);
7225 check_cp1_registers(ctx, fs);
7227 TCGv_i32 fp32 = tcg_temp_new_i32();
7228 TCGv_i64 fp64 = tcg_temp_new_i64();
7230 gen_load_fpr64(ctx, fp64, fs);
7231 gen_helper_float_cvtw_d(fp32, fp64);
7232 tcg_temp_free_i64(fp64);
7233 gen_store_fpr32(fp32, fd);
7234 tcg_temp_free_i32(fp32);
7239 check_cp1_64bitmode(ctx);
7241 TCGv_i64 fp0 = tcg_temp_new_i64();
7243 gen_load_fpr64(ctx, fp0, fs);
7244 gen_helper_float_cvtl_d(fp0, fp0);
7245 gen_store_fpr64(ctx, fp0, fd);
7246 tcg_temp_free_i64(fp0);
7252 TCGv_i32 fp0 = tcg_temp_new_i32();
7254 gen_load_fpr32(fp0, fs);
7255 gen_helper_float_cvts_w(fp0, fp0);
7256 gen_store_fpr32(fp0, fd);
7257 tcg_temp_free_i32(fp0);
7262 check_cp1_registers(ctx, fd);
7264 TCGv_i32 fp32 = tcg_temp_new_i32();
7265 TCGv_i64 fp64 = tcg_temp_new_i64();
7267 gen_load_fpr32(fp32, fs);
7268 gen_helper_float_cvtd_w(fp64, fp32);
7269 tcg_temp_free_i32(fp32);
7270 gen_store_fpr64(ctx, fp64, fd);
7271 tcg_temp_free_i64(fp64);
7276 check_cp1_64bitmode(ctx);
7278 TCGv_i32 fp32 = tcg_temp_new_i32();
7279 TCGv_i64 fp64 = tcg_temp_new_i64();
7281 gen_load_fpr64(ctx, fp64, fs);
7282 gen_helper_float_cvts_l(fp32, fp64);
7283 tcg_temp_free_i64(fp64);
7284 gen_store_fpr32(fp32, fd);
7285 tcg_temp_free_i32(fp32);
7290 check_cp1_64bitmode(ctx);
7292 TCGv_i64 fp0 = tcg_temp_new_i64();
7294 gen_load_fpr64(ctx, fp0, fs);
7295 gen_helper_float_cvtd_l(fp0, fp0);
7296 gen_store_fpr64(ctx, fp0, fd);
7297 tcg_temp_free_i64(fp0);
7302 check_cp1_64bitmode(ctx);
7304 TCGv_i64 fp0 = tcg_temp_new_i64();
7306 gen_load_fpr64(ctx, fp0, fs);
7307 gen_helper_float_cvtps_pw(fp0, fp0);
7308 gen_store_fpr64(ctx, fp0, fd);
7309 tcg_temp_free_i64(fp0);
7314 check_cp1_64bitmode(ctx);
7316 TCGv_i64 fp0 = tcg_temp_new_i64();
7317 TCGv_i64 fp1 = tcg_temp_new_i64();
7319 gen_load_fpr64(ctx, fp0, fs);
7320 gen_load_fpr64(ctx, fp1, ft);
7321 gen_helper_float_add_ps(fp0, fp0, fp1);
7322 tcg_temp_free_i64(fp1);
7323 gen_store_fpr64(ctx, fp0, fd);
7324 tcg_temp_free_i64(fp0);
7329 check_cp1_64bitmode(ctx);
7331 TCGv_i64 fp0 = tcg_temp_new_i64();
7332 TCGv_i64 fp1 = tcg_temp_new_i64();
7334 gen_load_fpr64(ctx, fp0, fs);
7335 gen_load_fpr64(ctx, fp1, ft);
7336 gen_helper_float_sub_ps(fp0, fp0, fp1);
7337 tcg_temp_free_i64(fp1);
7338 gen_store_fpr64(ctx, fp0, fd);
7339 tcg_temp_free_i64(fp0);
7344 check_cp1_64bitmode(ctx);
7346 TCGv_i64 fp0 = tcg_temp_new_i64();
7347 TCGv_i64 fp1 = tcg_temp_new_i64();
7349 gen_load_fpr64(ctx, fp0, fs);
7350 gen_load_fpr64(ctx, fp1, ft);
7351 gen_helper_float_mul_ps(fp0, fp0, fp1);
7352 tcg_temp_free_i64(fp1);
7353 gen_store_fpr64(ctx, fp0, fd);
7354 tcg_temp_free_i64(fp0);
7359 check_cp1_64bitmode(ctx);
7361 TCGv_i64 fp0 = tcg_temp_new_i64();
7363 gen_load_fpr64(ctx, fp0, fs);
7364 gen_helper_float_abs_ps(fp0, fp0);
7365 gen_store_fpr64(ctx, fp0, fd);
7366 tcg_temp_free_i64(fp0);
7371 check_cp1_64bitmode(ctx);
7373 TCGv_i64 fp0 = tcg_temp_new_i64();
7375 gen_load_fpr64(ctx, fp0, fs);
7376 gen_store_fpr64(ctx, fp0, fd);
7377 tcg_temp_free_i64(fp0);
7382 check_cp1_64bitmode(ctx);
7384 TCGv_i64 fp0 = tcg_temp_new_i64();
7386 gen_load_fpr64(ctx, fp0, fs);
7387 gen_helper_float_chs_ps(fp0, fp0);
7388 gen_store_fpr64(ctx, fp0, fd);
7389 tcg_temp_free_i64(fp0);
7394 check_cp1_64bitmode(ctx);
7395 gen_movcf_ps(fs, fd, (ft >> 2) & 0x7, ft & 0x1);
7399 check_cp1_64bitmode(ctx);
7401 int l1 = gen_new_label();
7405 tcg_gen_brcondi_tl(TCG_COND_NE, cpu_gpr[ft], 0, l1);
7406 fp0 = tcg_temp_new_i64();
7407 gen_load_fpr64(ctx, fp0, fs);
7408 gen_store_fpr64(ctx, fp0, fd);
7409 tcg_temp_free_i64(fp0);
7415 check_cp1_64bitmode(ctx);
7417 int l1 = gen_new_label();
7421 tcg_gen_brcondi_tl(TCG_COND_EQ, cpu_gpr[ft], 0, l1);
7422 fp0 = tcg_temp_new_i64();
7423 gen_load_fpr64(ctx, fp0, fs);
7424 gen_store_fpr64(ctx, fp0, fd);
7425 tcg_temp_free_i64(fp0);
7432 check_cp1_64bitmode(ctx);
7434 TCGv_i64 fp0 = tcg_temp_new_i64();
7435 TCGv_i64 fp1 = tcg_temp_new_i64();
7437 gen_load_fpr64(ctx, fp0, ft);
7438 gen_load_fpr64(ctx, fp1, fs);
7439 gen_helper_float_addr_ps(fp0, fp0, fp1);
7440 tcg_temp_free_i64(fp1);
7441 gen_store_fpr64(ctx, fp0, fd);
7442 tcg_temp_free_i64(fp0);
7447 check_cp1_64bitmode(ctx);
7449 TCGv_i64 fp0 = tcg_temp_new_i64();
7450 TCGv_i64 fp1 = tcg_temp_new_i64();
7452 gen_load_fpr64(ctx, fp0, ft);
7453 gen_load_fpr64(ctx, fp1, fs);
7454 gen_helper_float_mulr_ps(fp0, fp0, fp1);
7455 tcg_temp_free_i64(fp1);
7456 gen_store_fpr64(ctx, fp0, fd);
7457 tcg_temp_free_i64(fp0);
7462 check_cp1_64bitmode(ctx);
7464 TCGv_i64 fp0 = tcg_temp_new_i64();
7465 TCGv_i64 fp1 = tcg_temp_new_i64();
7467 gen_load_fpr64(ctx, fp0, fs);
7468 gen_load_fpr64(ctx, fp1, fd);
7469 gen_helper_float_recip2_ps(fp0, fp0, fp1);
7470 tcg_temp_free_i64(fp1);
7471 gen_store_fpr64(ctx, fp0, fd);
7472 tcg_temp_free_i64(fp0);
7477 check_cp1_64bitmode(ctx);
7479 TCGv_i64 fp0 = tcg_temp_new_i64();
7481 gen_load_fpr64(ctx, fp0, fs);
7482 gen_helper_float_recip1_ps(fp0, fp0);
7483 gen_store_fpr64(ctx, fp0, fd);
7484 tcg_temp_free_i64(fp0);
7489 check_cp1_64bitmode(ctx);
7491 TCGv_i64 fp0 = tcg_temp_new_i64();
7493 gen_load_fpr64(ctx, fp0, fs);
7494 gen_helper_float_rsqrt1_ps(fp0, fp0);
7495 gen_store_fpr64(ctx, fp0, fd);
7496 tcg_temp_free_i64(fp0);
7501 check_cp1_64bitmode(ctx);
7503 TCGv_i64 fp0 = tcg_temp_new_i64();
7504 TCGv_i64 fp1 = tcg_temp_new_i64();
7506 gen_load_fpr64(ctx, fp0, fs);
7507 gen_load_fpr64(ctx, fp1, ft);
7508 gen_helper_float_rsqrt2_ps(fp0, fp0, fp1);
7509 tcg_temp_free_i64(fp1);
7510 gen_store_fpr64(ctx, fp0, fd);
7511 tcg_temp_free_i64(fp0);
7516 check_cp1_64bitmode(ctx);
7518 TCGv_i32 fp0 = tcg_temp_new_i32();
7520 gen_load_fpr32h(fp0, fs);
7521 gen_helper_float_cvts_pu(fp0, fp0);
7522 gen_store_fpr32(fp0, fd);
7523 tcg_temp_free_i32(fp0);
7528 check_cp1_64bitmode(ctx);
7530 TCGv_i64 fp0 = tcg_temp_new_i64();
7532 gen_load_fpr64(ctx, fp0, fs);
7533 gen_helper_float_cvtpw_ps(fp0, fp0);
7534 gen_store_fpr64(ctx, fp0, fd);
7535 tcg_temp_free_i64(fp0);
7540 check_cp1_64bitmode(ctx);
7542 TCGv_i32 fp0 = tcg_temp_new_i32();
7544 gen_load_fpr32(fp0, fs);
7545 gen_helper_float_cvts_pl(fp0, fp0);
7546 gen_store_fpr32(fp0, fd);
7547 tcg_temp_free_i32(fp0);
7552 check_cp1_64bitmode(ctx);
7554 TCGv_i32 fp0 = tcg_temp_new_i32();
7555 TCGv_i32 fp1 = tcg_temp_new_i32();
7557 gen_load_fpr32(fp0, fs);
7558 gen_load_fpr32(fp1, ft);
7559 gen_store_fpr32h(fp0, fd);
7560 gen_store_fpr32(fp1, fd);
7561 tcg_temp_free_i32(fp0);
7562 tcg_temp_free_i32(fp1);
7567 check_cp1_64bitmode(ctx);
7569 TCGv_i32 fp0 = tcg_temp_new_i32();
7570 TCGv_i32 fp1 = tcg_temp_new_i32();
7572 gen_load_fpr32(fp0, fs);
7573 gen_load_fpr32h(fp1, ft);
7574 gen_store_fpr32(fp1, fd);
7575 gen_store_fpr32h(fp0, fd);
7576 tcg_temp_free_i32(fp0);
7577 tcg_temp_free_i32(fp1);
7582 check_cp1_64bitmode(ctx);
7584 TCGv_i32 fp0 = tcg_temp_new_i32();
7585 TCGv_i32 fp1 = tcg_temp_new_i32();
7587 gen_load_fpr32h(fp0, fs);
7588 gen_load_fpr32(fp1, ft);
7589 gen_store_fpr32(fp1, fd);
7590 gen_store_fpr32h(fp0, fd);
7591 tcg_temp_free_i32(fp0);
7592 tcg_temp_free_i32(fp1);
7597 check_cp1_64bitmode(ctx);
7599 TCGv_i32 fp0 = tcg_temp_new_i32();
7600 TCGv_i32 fp1 = tcg_temp_new_i32();
7602 gen_load_fpr32h(fp0, fs);
7603 gen_load_fpr32h(fp1, ft);
7604 gen_store_fpr32(fp1, fd);
7605 gen_store_fpr32h(fp0, fd);
7606 tcg_temp_free_i32(fp0);
7607 tcg_temp_free_i32(fp1);
7614 case OPC_CMP_UEQ_PS:
7615 case OPC_CMP_OLT_PS:
7616 case OPC_CMP_ULT_PS:
7617 case OPC_CMP_OLE_PS:
7618 case OPC_CMP_ULE_PS:
7620 case OPC_CMP_NGLE_PS:
7621 case OPC_CMP_SEQ_PS:
7622 case OPC_CMP_NGL_PS:
7624 case OPC_CMP_NGE_PS:
7626 case OPC_CMP_NGT_PS:
7627 if (ctx->opcode & (1 << 6)) {
7628 gen_cmpabs_ps(ctx, func-48, ft, fs, cc);
7629 opn = condnames_abs[func-48];
7631 gen_cmp_ps(ctx, func-48, ft, fs, cc);
7632 opn = condnames[func-48];
7637 generate_exception (ctx, EXCP_RI);
7640 (void)opn; /* avoid a compiler warning */
7643 MIPS_DEBUG("%s %s, %s, %s", opn, fregnames[fd], fregnames[fs], fregnames[ft]);
7646 MIPS_DEBUG("%s %s,%s", opn, fregnames[fs], fregnames[ft]);
7649 MIPS_DEBUG("%s %s,%s", opn, fregnames[fd], fregnames[fs]);
7654 /* Coprocessor 3 (FPU) */
7655 static void gen_flt3_ldst (DisasContext *ctx, uint32_t opc,
7656 int fd, int fs, int base, int index)
7658 const char *opn = "extended float load/store";
7660 TCGv t0 = tcg_temp_new();
7663 gen_load_gpr(t0, index);
7664 } else if (index == 0) {
7665 gen_load_gpr(t0, base);
7667 gen_load_gpr(t0, index);
7668 gen_op_addr_add(ctx, t0, cpu_gpr[base], t0);
7670 /* Don't do NOP if destination is zero: we must perform the actual
7672 save_cpu_state(ctx, 0);
7677 TCGv_i32 fp0 = tcg_temp_new_i32();
7679 tcg_gen_qemu_ld32s(t0, t0, ctx->mem_idx);
7680 tcg_gen_trunc_tl_i32(fp0, t0);
7681 gen_store_fpr32(fp0, fd);
7682 tcg_temp_free_i32(fp0);
7688 check_cp1_registers(ctx, fd);
7690 TCGv_i64 fp0 = tcg_temp_new_i64();
7692 tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
7693 gen_store_fpr64(ctx, fp0, fd);
7694 tcg_temp_free_i64(fp0);
7699 check_cp1_64bitmode(ctx);
7700 tcg_gen_andi_tl(t0, t0, ~0x7);
7702 TCGv_i64 fp0 = tcg_temp_new_i64();
7704 tcg_gen_qemu_ld64(fp0, t0, ctx->mem_idx);
7705 gen_store_fpr64(ctx, fp0, fd);
7706 tcg_temp_free_i64(fp0);
7713 TCGv_i32 fp0 = tcg_temp_new_i32();
7714 TCGv t1 = tcg_temp_new();
7716 gen_load_fpr32(fp0, fs);
7717 tcg_gen_extu_i32_tl(t1, fp0);
7718 tcg_gen_qemu_st32(t1, t0, ctx->mem_idx);
7719 tcg_temp_free_i32(fp0);
7727 check_cp1_registers(ctx, fs);
7729 TCGv_i64 fp0 = tcg_temp_new_i64();
7731 gen_load_fpr64(ctx, fp0, fs);
7732 tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
7733 tcg_temp_free_i64(fp0);
7739 check_cp1_64bitmode(ctx);
7740 tcg_gen_andi_tl(t0, t0, ~0x7);
7742 TCGv_i64 fp0 = tcg_temp_new_i64();
7744 gen_load_fpr64(ctx, fp0, fs);
7745 tcg_gen_qemu_st64(fp0, t0, ctx->mem_idx);
7746 tcg_temp_free_i64(fp0);
7753 (void)opn; (void)store; /* avoid compiler warnings */
7754 MIPS_DEBUG("%s %s, %s(%s)", opn, fregnames[store ? fs : fd],
7755 regnames[index], regnames[base]);
7758 static void gen_flt3_arith (DisasContext *ctx, uint32_t opc,
7759 int fd, int fr, int fs, int ft)
7761 const char *opn = "flt3_arith";
7765 check_cp1_64bitmode(ctx);
7767 TCGv t0 = tcg_temp_local_new();
7768 TCGv_i32 fp = tcg_temp_new_i32();
7769 TCGv_i32 fph = tcg_temp_new_i32();
7770 int l1 = gen_new_label();
7771 int l2 = gen_new_label();
7773 gen_load_gpr(t0, fr);
7774 tcg_gen_andi_tl(t0, t0, 0x7);
7776 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 0, l1);
7777 gen_load_fpr32(fp, fs);
7778 gen_load_fpr32h(fph, fs);
7779 gen_store_fpr32(fp, fd);
7780 gen_store_fpr32h(fph, fd);
7783 tcg_gen_brcondi_tl(TCG_COND_NE, t0, 4, l2);
7785 #ifdef TARGET_WORDS_BIGENDIAN
7786 gen_load_fpr32(fp, fs);
7787 gen_load_fpr32h(fph, ft);
7788 gen_store_fpr32h(fp, fd);
7789 gen_store_fpr32(fph, fd);
7791 gen_load_fpr32h(fph, fs);
7792 gen_load_fpr32(fp, ft);
7793 gen_store_fpr32(fph, fd);
7794 gen_store_fpr32h(fp, fd);
7797 tcg_temp_free_i32(fp);
7798 tcg_temp_free_i32(fph);
7805 TCGv_i32 fp0 = tcg_temp_new_i32();
7806 TCGv_i32 fp1 = tcg_temp_new_i32();
7807 TCGv_i32 fp2 = tcg_temp_new_i32();
7809 gen_load_fpr32(fp0, fs);
7810 gen_load_fpr32(fp1, ft);
7811 gen_load_fpr32(fp2, fr);
7812 gen_helper_float_muladd_s(fp2, fp0, fp1, fp2);
7813 tcg_temp_free_i32(fp0);
7814 tcg_temp_free_i32(fp1);
7815 gen_store_fpr32(fp2, fd);
7816 tcg_temp_free_i32(fp2);
7822 check_cp1_registers(ctx, fd | fs | ft | fr);
7824 TCGv_i64 fp0 = tcg_temp_new_i64();
7825 TCGv_i64 fp1 = tcg_temp_new_i64();
7826 TCGv_i64 fp2 = tcg_temp_new_i64();
7828 gen_load_fpr64(ctx, fp0, fs);
7829 gen_load_fpr64(ctx, fp1, ft);
7830 gen_load_fpr64(ctx, fp2, fr);
7831 gen_helper_float_muladd_d(fp2, fp0, fp1, fp2);
7832 tcg_temp_free_i64(fp0);
7833 tcg_temp_free_i64(fp1);
7834 gen_store_fpr64(ctx, fp2, fd);
7835 tcg_temp_free_i64(fp2);
7840 check_cp1_64bitmode(ctx);
7842 TCGv_i64 fp0 = tcg_temp_new_i64();
7843 TCGv_i64 fp1 = tcg_temp_new_i64();
7844 TCGv_i64 fp2 = tcg_temp_new_i64();
7846 gen_load_fpr64(ctx, fp0, fs);
7847 gen_load_fpr64(ctx, fp1, ft);
7848 gen_load_fpr64(ctx, fp2, fr);
7849 gen_helper_float_muladd_ps(fp2, fp0, fp1, fp2);
7850 tcg_temp_free_i64(fp0);
7851 tcg_temp_free_i64(fp1);
7852 gen_store_fpr64(ctx, fp2, fd);
7853 tcg_temp_free_i64(fp2);
7860 TCGv_i32 fp0 = tcg_temp_new_i32();
7861 TCGv_i32 fp1 = tcg_temp_new_i32();
7862 TCGv_i32 fp2 = tcg_temp_new_i32();
7864 gen_load_fpr32(fp0, fs);
7865 gen_load_fpr32(fp1, ft);
7866 gen_load_fpr32(fp2, fr);
7867 gen_helper_float_mulsub_s(fp2, fp0, fp1, fp2);
7868 tcg_temp_free_i32(fp0);
7869 tcg_temp_free_i32(fp1);
7870 gen_store_fpr32(fp2, fd);
7871 tcg_temp_free_i32(fp2);
7877 check_cp1_registers(ctx, fd | fs | ft | fr);
7879 TCGv_i64 fp0 = tcg_temp_new_i64();
7880 TCGv_i64 fp1 = tcg_temp_new_i64();
7881 TCGv_i64 fp2 = tcg_temp_new_i64();
7883 gen_load_fpr64(ctx, fp0, fs);
7884 gen_load_fpr64(ctx, fp1, ft);
7885 gen_load_fpr64(ctx, fp2, fr);
7886 gen_helper_float_mulsub_d(fp2, fp0, fp1, fp2);
7887 tcg_temp_free_i64(fp0);
7888 tcg_temp_free_i64(fp1);
7889 gen_store_fpr64(ctx, fp2, fd);
7890 tcg_temp_free_i64(fp2);
7895 check_cp1_64bitmode(ctx);
7897 TCGv_i64 fp0 = tcg_temp_new_i64();
7898 TCGv_i64 fp1 = tcg_temp_new_i64();
7899 TCGv_i64 fp2 = tcg_temp_new_i64();
7901 gen_load_fpr64(ctx, fp0, fs);
7902 gen_load_fpr64(ctx, fp1, ft);
7903 gen_load_fpr64(ctx, fp2, fr);
7904 gen_helper_float_mulsub_ps(fp2, fp0, fp1, fp2);
7905 tcg_temp_free_i64(fp0);
7906 tcg_temp_free_i64(fp1);
7907 gen_store_fpr64(ctx, fp2, fd);
7908 tcg_temp_free_i64(fp2);
7915 TCGv_i32 fp0 = tcg_temp_new_i32();
7916 TCGv_i32 fp1 = tcg_temp_new_i32();
7917 TCGv_i32 fp2 = tcg_temp_new_i32();
7919 gen_load_fpr32(fp0, fs);
7920 gen_load_fpr32(fp1, ft);
7921 gen_load_fpr32(fp2, fr);
7922 gen_helper_float_nmuladd_s(fp2, fp0, fp1, fp2);
7923 tcg_temp_free_i32(fp0);
7924 tcg_temp_free_i32(fp1);
7925 gen_store_fpr32(fp2, fd);
7926 tcg_temp_free_i32(fp2);
7932 check_cp1_registers(ctx, fd | fs | ft | fr);
7934 TCGv_i64 fp0 = tcg_temp_new_i64();
7935 TCGv_i64 fp1 = tcg_temp_new_i64();
7936 TCGv_i64 fp2 = tcg_temp_new_i64();
7938 gen_load_fpr64(ctx, fp0, fs);
7939 gen_load_fpr64(ctx, fp1, ft);
7940 gen_load_fpr64(ctx, fp2, fr);
7941 gen_helper_float_nmuladd_d(fp2, fp0, fp1, fp2);
7942 tcg_temp_free_i64(fp0);
7943 tcg_temp_free_i64(fp1);
7944 gen_store_fpr64(ctx, fp2, fd);
7945 tcg_temp_free_i64(fp2);
7950 check_cp1_64bitmode(ctx);
7952 TCGv_i64 fp0 = tcg_temp_new_i64();
7953 TCGv_i64 fp1 = tcg_temp_new_i64();
7954 TCGv_i64 fp2 = tcg_temp_new_i64();
7956 gen_load_fpr64(ctx, fp0, fs);
7957 gen_load_fpr64(ctx, fp1, ft);
7958 gen_load_fpr64(ctx, fp2, fr);
7959 gen_helper_float_nmuladd_ps(fp2, fp0, fp1, fp2);
7960 tcg_temp_free_i64(fp0);
7961 tcg_temp_free_i64(fp1);
7962 gen_store_fpr64(ctx, fp2, fd);
7963 tcg_temp_free_i64(fp2);
7970 TCGv_i32 fp0 = tcg_temp_new_i32();
7971 TCGv_i32 fp1 = tcg_temp_new_i32();
7972 TCGv_i32 fp2 = tcg_temp_new_i32();
7974 gen_load_fpr32(fp0, fs);
7975 gen_load_fpr32(fp1, ft);
7976 gen_load_fpr32(fp2, fr);
7977 gen_helper_float_nmulsub_s(fp2, fp0, fp1, fp2);
7978 tcg_temp_free_i32(fp0);
7979 tcg_temp_free_i32(fp1);
7980 gen_store_fpr32(fp2, fd);
7981 tcg_temp_free_i32(fp2);
7987 check_cp1_registers(ctx, fd | fs | ft | fr);
7989 TCGv_i64 fp0 = tcg_temp_new_i64();
7990 TCGv_i64 fp1 = tcg_temp_new_i64();
7991 TCGv_i64 fp2 = tcg_temp_new_i64();
7993 gen_load_fpr64(ctx, fp0, fs);
7994 gen_load_fpr64(ctx, fp1, ft);
7995 gen_load_fpr64(ctx, fp2, fr);
7996 gen_helper_float_nmulsub_d(fp2, fp0, fp1, fp2);
7997 tcg_temp_free_i64(fp0);
7998 tcg_temp_free_i64(fp1);
7999 gen_store_fpr64(ctx, fp2, fd);
8000 tcg_temp_free_i64(fp2);
8005 check_cp1_64bitmode(ctx);
8007 TCGv_i64 fp0 = tcg_temp_new_i64();
8008 TCGv_i64 fp1 = tcg_temp_new_i64();
8009 TCGv_i64 fp2 = tcg_temp_new_i64();
8011 gen_load_fpr64(ctx, fp0, fs);
8012 gen_load_fpr64(ctx, fp1, ft);
8013 gen_load_fpr64(ctx, fp2, fr);
8014 gen_helper_float_nmulsub_ps(fp2, fp0, fp1, fp2);
8015 tcg_temp_free_i64(fp0);
8016 tcg_temp_free_i64(fp1);
8017 gen_store_fpr64(ctx, fp2, fd);
8018 tcg_temp_free_i64(fp2);
8024 generate_exception (ctx, EXCP_RI);
8027 (void)opn; /* avoid a compiler warning */
8028 MIPS_DEBUG("%s %s, %s, %s, %s", opn, fregnames[fd], fregnames[fr],
8029 fregnames[fs], fregnames[ft]);
8033 gen_rdhwr (CPUState *env, DisasContext *ctx, int rt, int rd)
8037 check_insn(env, ctx, ISA_MIPS32R2);
8038 t0 = tcg_temp_new();
8042 save_cpu_state(ctx, 1);
8043 gen_helper_rdhwr_cpunum(t0);
8044 gen_store_gpr(t0, rt);
8047 save_cpu_state(ctx, 1);
8048 gen_helper_rdhwr_synci_step(t0);
8049 gen_store_gpr(t0, rt);
8052 save_cpu_state(ctx, 1);
8053 gen_helper_rdhwr_cc(t0);
8054 gen_store_gpr(t0, rt);
8057 save_cpu_state(ctx, 1);
8058 gen_helper_rdhwr_ccres(t0);
8059 gen_store_gpr(t0, rt);
8062 #if defined(CONFIG_USER_ONLY)
8063 tcg_gen_ld_tl(t0, cpu_env, offsetof(CPUState, tls_value));
8064 gen_store_gpr(t0, rt);
8067 /* XXX: Some CPUs implement this in hardware.
8068 Not supported yet. */
8070 default: /* Invalid */
8071 MIPS_INVAL("rdhwr");
8072 generate_exception(ctx, EXCP_RI);
8078 static void handle_delay_slot (CPUState *env, DisasContext *ctx,
8081 if (ctx->hflags & MIPS_HFLAG_BMASK) {
8082 int proc_hflags = ctx->hflags & MIPS_HFLAG_BMASK;
8083 /* Branches completion */
8084 ctx->hflags &= ~MIPS_HFLAG_BMASK;
8085 ctx->bstate = BS_BRANCH;
8086 save_cpu_state(ctx, 0);
8087 /* FIXME: Need to clear can_do_io. */
8088 switch (proc_hflags & MIPS_HFLAG_BMASK_BASE) {
8090 /* unconditional branch */
8091 MIPS_DEBUG("unconditional branch");
8092 if (proc_hflags & MIPS_HFLAG_BX) {
8093 tcg_gen_xori_i32(hflags, hflags, MIPS_HFLAG_M16);
8095 gen_goto_tb(ctx, 0, ctx->btarget);
8098 /* blikely taken case */
8099 MIPS_DEBUG("blikely branch taken");
8100 gen_goto_tb(ctx, 0, ctx->btarget);
8103 /* Conditional branch */
8104 MIPS_DEBUG("conditional branch");
8106 int l1 = gen_new_label();
8108 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
8109 gen_goto_tb(ctx, 1, ctx->pc + insn_bytes);
8111 gen_goto_tb(ctx, 0, ctx->btarget);
8115 /* unconditional branch to register */
8116 MIPS_DEBUG("branch to register");
8117 if (env->insn_flags & (ASE_MIPS16 | ASE_MICROMIPS)) {
8118 TCGv t0 = tcg_temp_new();
8119 TCGv_i32 t1 = tcg_temp_new_i32();
8121 tcg_gen_andi_tl(t0, btarget, 0x1);
8122 tcg_gen_trunc_tl_i32(t1, t0);
8124 tcg_gen_andi_i32(hflags, hflags, ~(uint32_t)MIPS_HFLAG_M16);
8125 tcg_gen_shli_i32(t1, t1, MIPS_HFLAG_M16_SHIFT);
8126 tcg_gen_or_i32(hflags, hflags, t1);
8127 tcg_temp_free_i32(t1);
8129 tcg_gen_andi_tl(cpu_PC, btarget, ~(target_ulong)0x1);
8131 tcg_gen_mov_tl(cpu_PC, btarget);
8133 if (ctx->singlestep_enabled) {
8134 save_cpu_state(ctx, 0);
8135 gen_helper_0i(raise_exception, EXCP_DEBUG);
8140 MIPS_DEBUG("unknown branch");
8146 /* ISA extensions (ASEs) */
8147 /* MIPS16 extension to MIPS32 */
8149 /* MIPS16 major opcodes */
8151 M16_OPC_ADDIUSP = 0x00,
8152 M16_OPC_ADDIUPC = 0x01,
8155 M16_OPC_BEQZ = 0x04,
8156 M16_OPC_BNEQZ = 0x05,
8157 M16_OPC_SHIFT = 0x06,
8159 M16_OPC_RRIA = 0x08,
8160 M16_OPC_ADDIU8 = 0x09,
8161 M16_OPC_SLTI = 0x0a,
8162 M16_OPC_SLTIU = 0x0b,
8165 M16_OPC_CMPI = 0x0e,
8169 M16_OPC_LWSP = 0x12,
8173 M16_OPC_LWPC = 0x16,
8177 M16_OPC_SWSP = 0x1a,
8181 M16_OPC_EXTEND = 0x1e,
8185 /* I8 funct field */
8204 /* RR funct field */
8238 /* I64 funct field */
8250 /* RR ry field for CNVT */
8252 RR_RY_CNVT_ZEB = 0x0,
8253 RR_RY_CNVT_ZEH = 0x1,
8254 RR_RY_CNVT_ZEW = 0x2,
8255 RR_RY_CNVT_SEB = 0x4,
8256 RR_RY_CNVT_SEH = 0x5,
8257 RR_RY_CNVT_SEW = 0x6,
8260 static int xlat (int r)
8262 static int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 };
8267 static void gen_mips16_save (DisasContext *ctx,
8268 int xsregs, int aregs,
8269 int do_ra, int do_s0, int do_s1,
8272 TCGv t0 = tcg_temp_new();
8273 TCGv t1 = tcg_temp_new();
8303 generate_exception(ctx, EXCP_RI);
8309 gen_base_offset_addr(ctx, t0, 29, 12);
8310 gen_load_gpr(t1, 7);
8311 op_st_sw(t1, t0, ctx);
8314 gen_base_offset_addr(ctx, t0, 29, 8);
8315 gen_load_gpr(t1, 6);
8316 op_st_sw(t1, t0, ctx);
8319 gen_base_offset_addr(ctx, t0, 29, 4);
8320 gen_load_gpr(t1, 5);
8321 op_st_sw(t1, t0, ctx);
8324 gen_base_offset_addr(ctx, t0, 29, 0);
8325 gen_load_gpr(t1, 4);
8326 op_st_sw(t1, t0, ctx);
8329 gen_load_gpr(t0, 29);
8331 #define DECR_AND_STORE(reg) do { \
8332 tcg_gen_subi_tl(t0, t0, 4); \
8333 gen_load_gpr(t1, reg); \
8334 op_st_sw(t1, t0, ctx); \
8398 generate_exception(ctx, EXCP_RI);
8414 #undef DECR_AND_STORE
8416 tcg_gen_subi_tl(cpu_gpr[29], cpu_gpr[29], framesize);
8421 static void gen_mips16_restore (DisasContext *ctx,
8422 int xsregs, int aregs,
8423 int do_ra, int do_s0, int do_s1,
8427 TCGv t0 = tcg_temp_new();
8428 TCGv t1 = tcg_temp_new();
8430 tcg_gen_addi_tl(t0, cpu_gpr[29], framesize);
8432 #define DECR_AND_LOAD(reg) do { \
8433 tcg_gen_subi_tl(t0, t0, 4); \
8434 op_ld_lw(t1, t0, ctx); \
8435 gen_store_gpr(t1, reg); \
8499 generate_exception(ctx, EXCP_RI);
8515 #undef DECR_AND_LOAD
8517 tcg_gen_addi_tl(cpu_gpr[29], cpu_gpr[29], framesize);
8522 static void gen_addiupc (DisasContext *ctx, int rx, int imm,
8523 int is_64_bit, int extended)
8527 if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
8528 generate_exception(ctx, EXCP_RI);
8532 t0 = tcg_temp_new();
8534 tcg_gen_movi_tl(t0, pc_relative_pc(ctx));
8535 tcg_gen_addi_tl(cpu_gpr[rx], t0, imm);
8537 tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]);
8543 #if defined(TARGET_MIPS64)
8544 static void decode_i64_mips16 (CPUState *env, DisasContext *ctx,
8545 int ry, int funct, int16_t offset,
8551 offset = extended ? offset : offset << 3;
8552 gen_ld(env, ctx, OPC_LD, ry, 29, offset);
8556 offset = extended ? offset : offset << 3;
8557 gen_st(ctx, OPC_SD, ry, 29, offset);
8561 offset = extended ? offset : (ctx->opcode & 0xff) << 3;
8562 gen_st(ctx, OPC_SD, 31, 29, offset);
8566 offset = extended ? offset : ((int8_t)ctx->opcode) << 3;
8567 gen_arith_imm(env, ctx, OPC_DADDIU, 29, 29, offset);
8570 if (extended && (ctx->hflags & MIPS_HFLAG_BMASK)) {
8571 generate_exception(ctx, EXCP_RI);
8573 offset = extended ? offset : offset << 3;
8574 gen_ld(env, ctx, OPC_LDPC, ry, 0, offset);
8579 offset = extended ? offset : ((int8_t)(offset << 3)) >> 3;
8580 gen_arith_imm(env, ctx, OPC_DADDIU, ry, ry, offset);
8584 offset = extended ? offset : offset << 2;
8585 gen_addiupc(ctx, ry, offset, 1, extended);
8589 offset = extended ? offset : offset << 2;
8590 gen_arith_imm(env, ctx, OPC_DADDIU, ry, 29, offset);
8596 static int decode_extended_mips16_opc (CPUState *env, DisasContext *ctx,
8599 int extend = lduw_code(ctx->pc + 2);
8600 int op, rx, ry, funct, sa;
8601 int16_t imm, offset;
8603 ctx->opcode = (ctx->opcode << 16) | extend;
8604 op = (ctx->opcode >> 11) & 0x1f;
8605 sa = (ctx->opcode >> 22) & 0x1f;
8606 funct = (ctx->opcode >> 8) & 0x7;
8607 rx = xlat((ctx->opcode >> 8) & 0x7);
8608 ry = xlat((ctx->opcode >> 5) & 0x7);
8609 offset = imm = (int16_t) (((ctx->opcode >> 16) & 0x1f) << 11
8610 | ((ctx->opcode >> 21) & 0x3f) << 5
8611 | (ctx->opcode & 0x1f));
8613 /* The extended opcodes cleverly reuse the opcodes from their 16-bit
8616 case M16_OPC_ADDIUSP:
8617 gen_arith_imm(env, ctx, OPC_ADDIU, rx, 29, imm);
8619 case M16_OPC_ADDIUPC:
8620 gen_addiupc(ctx, rx, imm, 0, 1);
8623 gen_compute_branch(ctx, OPC_BEQ, 4, 0, 0, offset << 1);
8624 /* No delay slot, so just process as a normal instruction */
8627 gen_compute_branch(ctx, OPC_BEQ, 4, rx, 0, offset << 1);
8628 /* No delay slot, so just process as a normal instruction */
8631 gen_compute_branch(ctx, OPC_BNE, 4, rx, 0, offset << 1);
8632 /* No delay slot, so just process as a normal instruction */
8635 switch (ctx->opcode & 0x3) {
8637 gen_shift_imm(env, ctx, OPC_SLL, rx, ry, sa);
8640 #if defined(TARGET_MIPS64)
8642 gen_shift_imm(env, ctx, OPC_DSLL, rx, ry, sa);
8644 generate_exception(ctx, EXCP_RI);
8648 gen_shift_imm(env, ctx, OPC_SRL, rx, ry, sa);
8651 gen_shift_imm(env, ctx, OPC_SRA, rx, ry, sa);
8655 #if defined(TARGET_MIPS64)
8658 gen_ld(env, ctx, OPC_LD, ry, rx, offset);
8662 imm = ctx->opcode & 0xf;
8663 imm = imm | ((ctx->opcode >> 20) & 0x7f) << 4;
8664 imm = imm | ((ctx->opcode >> 16) & 0xf) << 11;
8665 imm = (int16_t) (imm << 1) >> 1;
8666 if ((ctx->opcode >> 4) & 0x1) {
8667 #if defined(TARGET_MIPS64)
8669 gen_arith_imm(env, ctx, OPC_DADDIU, ry, rx, imm);
8671 generate_exception(ctx, EXCP_RI);
8674 gen_arith_imm(env, ctx, OPC_ADDIU, ry, rx, imm);
8677 case M16_OPC_ADDIU8:
8678 gen_arith_imm(env, ctx, OPC_ADDIU, rx, rx, imm);
8681 gen_slt_imm(env, OPC_SLTI, 24, rx, imm);
8684 gen_slt_imm(env, OPC_SLTIU, 24, rx, imm);
8689 gen_compute_branch(ctx, OPC_BEQ, 4, 24, 0, offset << 1);
8692 gen_compute_branch(ctx, OPC_BNE, 4, 24, 0, offset << 1);
8695 gen_st(ctx, OPC_SW, 31, 29, imm);
8698 gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, imm);
8702 int xsregs = (ctx->opcode >> 24) & 0x7;
8703 int aregs = (ctx->opcode >> 16) & 0xf;
8704 int do_ra = (ctx->opcode >> 6) & 0x1;
8705 int do_s0 = (ctx->opcode >> 5) & 0x1;
8706 int do_s1 = (ctx->opcode >> 4) & 0x1;
8707 int framesize = (((ctx->opcode >> 20) & 0xf) << 4
8708 | (ctx->opcode & 0xf)) << 3;
8710 if (ctx->opcode & (1 << 7)) {
8711 gen_mips16_save(ctx, xsregs, aregs,
8712 do_ra, do_s0, do_s1,
8715 gen_mips16_restore(ctx, xsregs, aregs,
8716 do_ra, do_s0, do_s1,
8722 generate_exception(ctx, EXCP_RI);
8727 tcg_gen_movi_tl(cpu_gpr[rx], (uint16_t) imm);
8730 tcg_gen_xori_tl(cpu_gpr[24], cpu_gpr[rx], (uint16_t) imm);
8732 #if defined(TARGET_MIPS64)
8734 gen_st(ctx, OPC_SD, ry, rx, offset);
8738 gen_ld(env, ctx, OPC_LB, ry, rx, offset);
8741 gen_ld(env, ctx, OPC_LH, ry, rx, offset);
8744 gen_ld(env, ctx, OPC_LW, rx, 29, offset);
8747 gen_ld(env, ctx, OPC_LW, ry, rx, offset);
8750 gen_ld(env, ctx, OPC_LBU, ry, rx, offset);
8753 gen_ld(env, ctx, OPC_LHU, ry, rx, offset);
8756 gen_ld(env, ctx, OPC_LWPC, rx, 0, offset);
8758 #if defined(TARGET_MIPS64)
8760 gen_ld(env, ctx, OPC_LWU, ry, rx, offset);
8764 gen_st(ctx, OPC_SB, ry, rx, offset);
8767 gen_st(ctx, OPC_SH, ry, rx, offset);
8770 gen_st(ctx, OPC_SW, rx, 29, offset);
8773 gen_st(ctx, OPC_SW, ry, rx, offset);
8775 #if defined(TARGET_MIPS64)
8777 decode_i64_mips16(env, ctx, ry, funct, offset, 1);
8781 generate_exception(ctx, EXCP_RI);
8788 static int decode_mips16_opc (CPUState *env, DisasContext *ctx,
8793 int op, cnvt_op, op1, offset;
8797 op = (ctx->opcode >> 11) & 0x1f;
8798 sa = (ctx->opcode >> 2) & 0x7;
8799 sa = sa == 0 ? 8 : sa;
8800 rx = xlat((ctx->opcode >> 8) & 0x7);
8801 cnvt_op = (ctx->opcode >> 5) & 0x7;
8802 ry = xlat((ctx->opcode >> 5) & 0x7);
8803 op1 = offset = ctx->opcode & 0x1f;
8808 case M16_OPC_ADDIUSP:
8810 int16_t imm = ((uint8_t) ctx->opcode) << 2;
8812 gen_arith_imm(env, ctx, OPC_ADDIU, rx, 29, imm);
8815 case M16_OPC_ADDIUPC:
8816 gen_addiupc(ctx, rx, ((uint8_t) ctx->opcode) << 2, 0, 0);
8819 offset = (ctx->opcode & 0x7ff) << 1;
8820 offset = (int16_t)(offset << 4) >> 4;
8821 gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0, offset);
8822 /* No delay slot, so just process as a normal instruction */
8825 offset = lduw_code(ctx->pc + 2);
8826 offset = (((ctx->opcode & 0x1f) << 21)
8827 | ((ctx->opcode >> 5) & 0x1f) << 16
8829 op = ((ctx->opcode >> 10) & 0x1) ? OPC_JALXS : OPC_JALS;
8830 gen_compute_branch(ctx, op, 4, rx, ry, offset);
8835 gen_compute_branch(ctx, OPC_BEQ, 2, rx, 0, ((int8_t)ctx->opcode) << 1);
8836 /* No delay slot, so just process as a normal instruction */
8839 gen_compute_branch(ctx, OPC_BNE, 2, rx, 0, ((int8_t)ctx->opcode) << 1);
8840 /* No delay slot, so just process as a normal instruction */
8843 switch (ctx->opcode & 0x3) {
8845 gen_shift_imm(env, ctx, OPC_SLL, rx, ry, sa);
8848 #if defined(TARGET_MIPS64)
8850 gen_shift_imm(env, ctx, OPC_DSLL, rx, ry, sa);
8852 generate_exception(ctx, EXCP_RI);
8856 gen_shift_imm(env, ctx, OPC_SRL, rx, ry, sa);
8859 gen_shift_imm(env, ctx, OPC_SRA, rx, ry, sa);
8863 #if defined(TARGET_MIPS64)
8866 gen_ld(env, ctx, OPC_LD, ry, rx, offset << 3);
8871 int16_t imm = (int8_t)((ctx->opcode & 0xf) << 4) >> 4;
8873 if ((ctx->opcode >> 4) & 1) {
8874 #if defined(TARGET_MIPS64)
8876 gen_arith_imm(env, ctx, OPC_DADDIU, ry, rx, imm);
8878 generate_exception(ctx, EXCP_RI);
8881 gen_arith_imm(env, ctx, OPC_ADDIU, ry, rx, imm);
8885 case M16_OPC_ADDIU8:
8887 int16_t imm = (int8_t) ctx->opcode;
8889 gen_arith_imm(env, ctx, OPC_ADDIU, rx, rx, imm);
8894 int16_t imm = (uint8_t) ctx->opcode;
8896 gen_slt_imm(env, OPC_SLTI, 24, rx, imm);
8901 int16_t imm = (uint8_t) ctx->opcode;
8903 gen_slt_imm(env, OPC_SLTIU, 24, rx, imm);
8910 funct = (ctx->opcode >> 8) & 0x7;
8913 gen_compute_branch(ctx, OPC_BEQ, 2, 24, 0,
8914 ((int8_t)ctx->opcode) << 1);
8917 gen_compute_branch(ctx, OPC_BNE, 2, 24, 0,
8918 ((int8_t)ctx->opcode) << 1);
8921 gen_st(ctx, OPC_SW, 31, 29, (ctx->opcode & 0xff) << 2);
8924 gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29,
8925 ((int8_t)ctx->opcode) << 3);
8929 int do_ra = ctx->opcode & (1 << 6);
8930 int do_s0 = ctx->opcode & (1 << 5);
8931 int do_s1 = ctx->opcode & (1 << 4);
8932 int framesize = ctx->opcode & 0xf;
8934 if (framesize == 0) {
8937 framesize = framesize << 3;
8940 if (ctx->opcode & (1 << 7)) {
8941 gen_mips16_save(ctx, 0, 0,
8942 do_ra, do_s0, do_s1, framesize);
8944 gen_mips16_restore(ctx, 0, 0,
8945 do_ra, do_s0, do_s1, framesize);
8951 int rz = xlat(ctx->opcode & 0x7);
8953 reg32 = (((ctx->opcode >> 3) & 0x3) << 3) |
8954 ((ctx->opcode >> 5) & 0x7);
8955 gen_arith(env, ctx, OPC_ADDU, reg32, rz, 0);
8959 reg32 = ctx->opcode & 0x1f;
8960 gen_arith(env, ctx, OPC_ADDU, ry, reg32, 0);
8963 generate_exception(ctx, EXCP_RI);
8970 int16_t imm = (uint8_t) ctx->opcode;
8972 gen_arith_imm(env, ctx, OPC_ADDIU, rx, 0, imm);
8977 int16_t imm = (uint8_t) ctx->opcode;
8979 gen_logic_imm(env, OPC_XORI, 24, rx, imm);
8982 #if defined(TARGET_MIPS64)
8985 gen_st(ctx, OPC_SD, ry, rx, offset << 3);
8989 gen_ld(env, ctx, OPC_LB, ry, rx, offset);
8992 gen_ld(env, ctx, OPC_LH, ry, rx, offset << 1);
8995 gen_ld(env, ctx, OPC_LW, rx, 29, ((uint8_t)ctx->opcode) << 2);
8998 gen_ld(env, ctx, OPC_LW, ry, rx, offset << 2);
9001 gen_ld(env, ctx, OPC_LBU, ry, rx, offset);
9004 gen_ld(env, ctx, OPC_LHU, ry, rx, offset << 1);
9007 gen_ld(env, ctx, OPC_LWPC, rx, 0, ((uint8_t)ctx->opcode) << 2);
9009 #if defined (TARGET_MIPS64)
9012 gen_ld(env, ctx, OPC_LWU, ry, rx, offset << 2);
9016 gen_st(ctx, OPC_SB, ry, rx, offset);
9019 gen_st(ctx, OPC_SH, ry, rx, offset << 1);
9022 gen_st(ctx, OPC_SW, rx, 29, ((uint8_t)ctx->opcode) << 2);
9025 gen_st(ctx, OPC_SW, ry, rx, offset << 2);
9029 int rz = xlat((ctx->opcode >> 2) & 0x7);
9032 switch (ctx->opcode & 0x3) {
9034 mips32_op = OPC_ADDU;
9037 mips32_op = OPC_SUBU;
9039 #if defined(TARGET_MIPS64)
9041 mips32_op = OPC_DADDU;
9045 mips32_op = OPC_DSUBU;
9050 generate_exception(ctx, EXCP_RI);
9054 gen_arith(env, ctx, mips32_op, rz, rx, ry);
9063 int nd = (ctx->opcode >> 7) & 0x1;
9064 int link = (ctx->opcode >> 6) & 0x1;
9065 int ra = (ctx->opcode >> 5) & 0x1;
9068 op = nd ? OPC_JALRC : OPC_JALRS;
9073 gen_compute_branch(ctx, op, 2, ra ? 31 : rx, 31, 0);
9080 /* XXX: not clear which exception should be raised
9081 * when in debug mode...
9083 check_insn(env, ctx, ISA_MIPS32);
9084 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
9085 generate_exception(ctx, EXCP_DBp);
9087 generate_exception(ctx, EXCP_DBp);
9091 gen_slt(env, OPC_SLT, 24, rx, ry);
9094 gen_slt(env, OPC_SLTU, 24, rx, ry);
9097 generate_exception(ctx, EXCP_BREAK);
9100 gen_shift(env, ctx, OPC_SLLV, ry, rx, ry);
9103 gen_shift(env, ctx, OPC_SRLV, ry, rx, ry);
9106 gen_shift(env, ctx, OPC_SRAV, ry, rx, ry);
9108 #if defined (TARGET_MIPS64)
9111 gen_shift_imm(env, ctx, OPC_DSRL, ry, ry, sa);
9115 gen_logic(env, OPC_XOR, 24, rx, ry);
9118 gen_arith(env, ctx, OPC_SUBU, rx, 0, ry);
9121 gen_logic(env, OPC_AND, rx, rx, ry);
9124 gen_logic(env, OPC_OR, rx, rx, ry);
9127 gen_logic(env, OPC_XOR, rx, rx, ry);
9130 gen_logic(env, OPC_NOR, rx, ry, 0);
9133 gen_HILO(ctx, OPC_MFHI, rx);
9137 case RR_RY_CNVT_ZEB:
9138 tcg_gen_ext8u_tl(cpu_gpr[rx], cpu_gpr[rx]);
9140 case RR_RY_CNVT_ZEH:
9141 tcg_gen_ext16u_tl(cpu_gpr[rx], cpu_gpr[rx]);
9143 case RR_RY_CNVT_SEB:
9144 tcg_gen_ext8s_tl(cpu_gpr[rx], cpu_gpr[rx]);
9146 case RR_RY_CNVT_SEH:
9147 tcg_gen_ext16s_tl(cpu_gpr[rx], cpu_gpr[rx]);
9149 #if defined (TARGET_MIPS64)
9150 case RR_RY_CNVT_ZEW:
9152 tcg_gen_ext32u_tl(cpu_gpr[rx], cpu_gpr[rx]);
9154 case RR_RY_CNVT_SEW:
9156 tcg_gen_ext32s_tl(cpu_gpr[rx], cpu_gpr[rx]);
9160 generate_exception(ctx, EXCP_RI);
9165 gen_HILO(ctx, OPC_MFLO, rx);
9167 #if defined (TARGET_MIPS64)
9170 gen_shift_imm(env, ctx, OPC_DSRA, ry, ry, sa);
9174 gen_shift(env, ctx, OPC_DSLLV, ry, rx, ry);
9178 gen_shift(env, ctx, OPC_DSRLV, ry, rx, ry);
9182 gen_shift(env, ctx, OPC_DSRAV, ry, rx, ry);
9186 gen_muldiv(ctx, OPC_MULT, rx, ry);
9189 gen_muldiv(ctx, OPC_MULTU, rx, ry);
9192 gen_muldiv(ctx, OPC_DIV, rx, ry);
9195 gen_muldiv(ctx, OPC_DIVU, rx, ry);
9197 #if defined (TARGET_MIPS64)
9200 gen_muldiv(ctx, OPC_DMULT, rx, ry);
9204 gen_muldiv(ctx, OPC_DMULTU, rx, ry);
9208 gen_muldiv(ctx, OPC_DDIV, rx, ry);
9212 gen_muldiv(ctx, OPC_DDIVU, rx, ry);
9216 generate_exception(ctx, EXCP_RI);
9220 case M16_OPC_EXTEND:
9221 decode_extended_mips16_opc(env, ctx, is_branch);
9224 #if defined(TARGET_MIPS64)
9226 funct = (ctx->opcode >> 8) & 0x7;
9227 decode_i64_mips16(env, ctx, ry, funct, offset, 0);
9231 generate_exception(ctx, EXCP_RI);
9238 /* microMIPS extension to MIPS32 */
9240 /* microMIPS32 major opcodes */
9279 /* 0x20 is reserved */
9289 /* 0x28 and 0x29 are reserved */
9299 /* 0x30 and 0x31 are reserved */
9309 /* 0x38 and 0x39 are reserved */
9320 /* POOL32A encoding of minor opcode field */
9323 /* These opcodes are distinguished only by bits 9..6; those bits are
9324 * what are recorded below. */
9350 /* The following can be distinguished by their lower 6 bits. */
9356 /* POOL32AXF encoding of minor opcode field extension */
9370 /* bits 13..12 for 0x01 */
9376 /* bits 13..12 for 0x2a */
9382 /* bits 13..12 for 0x32 */
9386 /* bits 15..12 for 0x2c */
9402 /* bits 15..12 for 0x34 */
9410 /* bits 15..12 for 0x3c */
9412 JR = 0x0, /* alias */
9417 /* bits 15..12 for 0x05 */
9421 /* bits 15..12 for 0x0d */
9431 /* bits 15..12 for 0x15 */
9437 /* bits 15..12 for 0x1d */
9441 /* bits 15..12 for 0x2d */
9446 /* bits 15..12 for 0x35 */
9453 /* POOL32B encoding of minor opcode field (bits 15..12) */
9469 /* POOL32C encoding of minor opcode field (bits 15..12) */
9477 /* 0xa is reserved */
9484 /* 0x6 is reserved */
9490 /* POOL32F encoding of minor opcode field (bits 5..0) */
9493 /* These are the bit 7..6 values */
9504 /* These are the bit 8..6 values */
9548 CABS_COND_FMT = 0x1c, /* MIPS3D */
9552 /* POOL32Fxf encoding of minor opcode extension field */
9590 /* POOL32I encoding of minor opcode field (bits 25..21) */
9615 /* These overlap and are distinguished by bit16 of the instruction */
9624 /* POOL16A encoding of minor opcode field */
9631 /* POOL16B encoding of minor opcode field */
9638 /* POOL16C encoding of minor opcode field */
9658 /* POOL16D encoding of minor opcode field */
9665 /* POOL16E encoding of minor opcode field */
9672 static int mmreg (int r)
9674 static const int map[] = { 16, 17, 2, 3, 4, 5, 6, 7 };
9679 /* Used for 16-bit store instructions. */
9680 static int mmreg2 (int r)
9682 static const int map[] = { 0, 17, 2, 3, 4, 5, 6, 7 };
9687 #define uMIPS_RD(op) ((op >> 7) & 0x7)
9688 #define uMIPS_RS(op) ((op >> 4) & 0x7)
9689 #define uMIPS_RS2(op) uMIPS_RS(op)
9690 #define uMIPS_RS1(op) ((op >> 1) & 0x7)
9691 #define uMIPS_RD5(op) ((op >> 5) & 0x1f)
9692 #define uMIPS_RS5(op) (op & 0x1f)
9694 /* Signed immediate */
9695 #define SIMM(op, start, width) \
9696 ((int32_t)(((op >> start) & ((~0U) >> (32-width))) \
9699 /* Zero-extended immediate */
9700 #define ZIMM(op, start, width) ((op >> start) & ((~0U) >> (32-width)))
9702 static void gen_addiur1sp (CPUState *env, DisasContext *ctx)
9704 int rd = mmreg(uMIPS_RD(ctx->opcode));
9706 gen_arith_imm(env, ctx, OPC_ADDIU, rd, 29, ((ctx->opcode >> 1) & 0x3f) << 2);
9709 static void gen_addiur2 (CPUState *env, DisasContext *ctx)
9711 static const int decoded_imm[] = { 1, 4, 8, 12, 16, 20, 24, -1 };
9712 int rd = mmreg(uMIPS_RD(ctx->opcode));
9713 int rs = mmreg(uMIPS_RS(ctx->opcode));
9715 gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, decoded_imm[ZIMM(ctx->opcode, 1, 3)]);
9718 static void gen_addiusp (CPUState *env, DisasContext *ctx)
9720 int encoded = ZIMM(ctx->opcode, 1, 9);
9724 decoded = 256 + encoded;
9725 } else if (encoded <= 255) {
9727 } else if (encoded <= 509) {
9728 decoded = encoded - 512;
9730 decoded = encoded - 768;
9733 gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, decoded << 2);
9736 static void gen_addius5 (CPUState *env, DisasContext *ctx)
9738 int imm = SIMM(ctx->opcode, 1, 4);
9739 int rd = (ctx->opcode >> 5) & 0x1f;
9741 gen_arith_imm(env, ctx, OPC_ADDIU, rd, rd, imm);
9744 static void gen_andi16 (CPUState *env, DisasContext *ctx)
9746 static const int decoded_imm[] = { 128, 1, 2, 3, 4, 7, 8, 15, 16,
9747 31, 32, 63, 64, 255, 32768, 65535 };
9748 int rd = mmreg(uMIPS_RD(ctx->opcode));
9749 int rs = mmreg(uMIPS_RS(ctx->opcode));
9750 int encoded = ZIMM(ctx->opcode, 0, 4);
9752 gen_logic_imm(env, OPC_ANDI, rd, rs, decoded_imm[encoded]);
9755 static void gen_ldst_multiple (DisasContext *ctx, uint32_t opc, int reglist,
9756 int base, int16_t offset)
9761 if (ctx->hflags & MIPS_HFLAG_BMASK) {
9762 generate_exception(ctx, EXCP_RI);
9766 t0 = tcg_temp_new();
9768 gen_base_offset_addr(ctx, t0, base, offset);
9770 t1 = tcg_const_tl(reglist);
9771 t2 = tcg_const_i32(ctx->mem_idx);
9773 save_cpu_state(ctx, 1);
9776 gen_helper_lwm(t0, t1, t2);
9779 gen_helper_swm(t0, t1, t2);
9781 #ifdef TARGET_MIPS64
9783 gen_helper_ldm(t0, t1, t2);
9786 gen_helper_sdm(t0, t1, t2);
9790 MIPS_DEBUG("%s, %x, %d(%s)", opn, reglist, offset, regnames[base]);
9793 tcg_temp_free_i32(t2);
9797 static void gen_pool16c_insn (CPUState *env, DisasContext *ctx, int *is_branch)
9799 int rd = mmreg((ctx->opcode >> 3) & 0x7);
9800 int rs = mmreg(ctx->opcode & 0x7);
9803 switch (((ctx->opcode) >> 4) & 0x3f) {
9808 gen_logic(env, OPC_NOR, rd, rs, 0);
9814 gen_logic(env, OPC_XOR, rd, rd, rs);
9820 gen_logic(env, OPC_AND, rd, rd, rs);
9826 gen_logic(env, OPC_OR, rd, rd, rs);
9833 static const int lwm_convert[] = { 0x11, 0x12, 0x13, 0x14 };
9834 int offset = ZIMM(ctx->opcode, 0, 4);
9836 gen_ldst_multiple(ctx, LWM32, lwm_convert[(ctx->opcode >> 4) & 0x3],
9845 static const int swm_convert[] = { 0x11, 0x12, 0x13, 0x14 };
9846 int offset = ZIMM(ctx->opcode, 0, 4);
9848 gen_ldst_multiple(ctx, SWM32, swm_convert[(ctx->opcode >> 4) & 0x3],
9855 int reg = ctx->opcode & 0x1f;
9857 gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0);
9864 int reg = ctx->opcode & 0x1f;
9866 gen_compute_branch(ctx, OPC_JR, 2, reg, 0, 0);
9867 /* Let normal delay slot handling in our caller take us
9868 to the branch target. */
9880 int reg = ctx->opcode & 0x1f;
9882 gen_compute_branch(ctx, opc, 2, reg, 31, 0);
9888 gen_HILO(ctx, OPC_MFHI, uMIPS_RS5(ctx->opcode));
9892 gen_HILO(ctx, OPC_MFLO, uMIPS_RS5(ctx->opcode));
9895 generate_exception(ctx, EXCP_BREAK);
9898 /* XXX: not clear which exception should be raised
9899 * when in debug mode...
9901 check_insn(env, ctx, ISA_MIPS32);
9902 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
9903 generate_exception(ctx, EXCP_DBp);
9905 generate_exception(ctx, EXCP_DBp);
9911 int imm = ZIMM(ctx->opcode, 0, 5);
9913 gen_compute_branch(ctx, OPC_JR, 2, 31, 0, 0);
9914 gen_arith_imm(env, ctx, OPC_ADDIU, 29, 29, imm << 2);
9915 /* Let normal delay slot handling in our caller take us
9916 to the branch target. */
9920 generate_exception(ctx, EXCP_RI);
9925 static void gen_ldxs (DisasContext *ctx, int base, int index, int rd)
9927 TCGv t0 = tcg_temp_new();
9928 TCGv t1 = tcg_temp_new();
9930 gen_load_gpr(t0, base);
9933 gen_load_gpr(t1, index);
9934 tcg_gen_shli_tl(t1, t1, 2);
9935 gen_op_addr_add(ctx, t0, t1, t0);
9938 save_cpu_state(ctx, 0);
9939 op_ld_lw(t1, t0, ctx);
9940 gen_store_gpr(t1, rd);
9946 static void gen_ldst_pair (DisasContext *ctx, uint32_t opc, int rd,
9947 int base, int16_t offset)
9949 const char *opn = "ldst_pair";
9952 if (ctx->hflags & MIPS_HFLAG_BMASK || rd == 31 || rd == base) {
9953 generate_exception(ctx, EXCP_RI);
9957 t0 = tcg_temp_new();
9958 t1 = tcg_temp_new();
9960 gen_base_offset_addr(ctx, t0, base, offset);
9964 save_cpu_state(ctx, 0);
9965 op_ld_lw(t1, t0, ctx);
9966 gen_store_gpr(t1, rd);
9967 tcg_gen_movi_tl(t1, 4);
9968 gen_op_addr_add(ctx, t0, t0, t1);
9969 op_ld_lw(t1, t0, ctx);
9970 gen_store_gpr(t1, rd+1);
9974 save_cpu_state(ctx, 0);
9975 gen_load_gpr(t1, rd);
9976 op_st_sw(t1, t0, ctx);
9977 tcg_gen_movi_tl(t1, 4);
9978 gen_op_addr_add(ctx, t0, t0, t1);
9979 gen_load_gpr(t1, rd+1);
9980 op_st_sw(t1, t0, ctx);
9983 #ifdef TARGET_MIPS64
9985 save_cpu_state(ctx, 0);
9986 op_ld_ld(t1, t0, ctx);
9987 gen_store_gpr(t1, rd);
9988 tcg_gen_movi_tl(t1, 8);
9989 gen_op_addr_add(ctx, t0, t0, t1);
9990 op_ld_ld(t1, t0, ctx);
9991 gen_store_gpr(t1, rd+1);
9995 save_cpu_state(ctx, 0);
9996 gen_load_gpr(t1, rd);
9997 op_st_sd(t1, t0, ctx);
9998 tcg_gen_movi_tl(t1, 8);
9999 gen_op_addr_add(ctx, t0, t0, t1);
10000 gen_load_gpr(t1, rd+1);
10001 op_st_sd(t1, t0, ctx);
10006 (void)opn; /* avoid a compiler warning */
10007 MIPS_DEBUG("%s, %s, %d(%s)", opn, regnames[rd], offset, regnames[base]);
10012 static void gen_pool32axf (CPUState *env, DisasContext *ctx, int rt, int rs,
10015 int extension = (ctx->opcode >> 6) & 0x3f;
10016 int minor = (ctx->opcode >> 12) & 0xf;
10017 uint32_t mips32_op;
10019 switch (extension) {
10021 mips32_op = OPC_TEQ;
10024 mips32_op = OPC_TGE;
10027 mips32_op = OPC_TGEU;
10030 mips32_op = OPC_TLT;
10033 mips32_op = OPC_TLTU;
10036 mips32_op = OPC_TNE;
10038 gen_trap(ctx, mips32_op, rs, rt, -1);
10040 #ifndef CONFIG_USER_ONLY
10044 /* Treat as NOP. */
10047 gen_mfc0(env, ctx, cpu_gpr[rt], rs, (ctx->opcode >> 11) & 0x7);
10052 TCGv t0 = tcg_temp_new();
10054 gen_load_gpr(t0, rt);
10055 gen_mtc0(env, ctx, t0, rs, (ctx->opcode >> 11) & 0x7);
10063 gen_bshfl(ctx, OPC_SEB, rs, rt);
10066 gen_bshfl(ctx, OPC_SEH, rs, rt);
10069 mips32_op = OPC_CLO;
10072 mips32_op = OPC_CLZ;
10074 check_insn(env, ctx, ISA_MIPS32);
10075 gen_cl(ctx, mips32_op, rt, rs);
10078 gen_rdhwr(env, ctx, rt, rs);
10081 gen_bshfl(ctx, OPC_WSBH, rs, rt);
10084 mips32_op = OPC_MULT;
10087 mips32_op = OPC_MULTU;
10090 mips32_op = OPC_DIV;
10093 mips32_op = OPC_DIVU;
10096 mips32_op = OPC_MADD;
10099 mips32_op = OPC_MADDU;
10102 mips32_op = OPC_MSUB;
10105 mips32_op = OPC_MSUBU;
10107 check_insn(env, ctx, ISA_MIPS32);
10108 gen_muldiv(ctx, mips32_op, rs, rt);
10111 goto pool32axf_invalid;
10122 generate_exception_err(ctx, EXCP_CpU, 2);
10125 goto pool32axf_invalid;
10132 gen_compute_branch (ctx, OPC_JALR, 4, rs, rt, 0);
10137 gen_compute_branch (ctx, OPC_JALRS, 4, rs, rt, 0);
10141 goto pool32axf_invalid;
10147 check_insn(env, ctx, ISA_MIPS32R2);
10148 gen_load_srsgpr(rt, rs);
10151 check_insn(env, ctx, ISA_MIPS32R2);
10152 gen_store_srsgpr(rt, rs);
10155 goto pool32axf_invalid;
10158 #ifndef CONFIG_USER_ONLY
10162 mips32_op = OPC_TLBP;
10165 mips32_op = OPC_TLBR;
10168 mips32_op = OPC_TLBWI;
10171 mips32_op = OPC_TLBWR;
10174 mips32_op = OPC_WAIT;
10177 mips32_op = OPC_DERET;
10180 mips32_op = OPC_ERET;
10182 gen_cp0(env, ctx, mips32_op, rt, rs);
10185 goto pool32axf_invalid;
10192 TCGv t0 = tcg_temp_new();
10194 save_cpu_state(ctx, 1);
10196 gen_store_gpr(t0, rs);
10197 /* Stop translation as we may have switched the execution mode */
10198 ctx->bstate = BS_STOP;
10204 TCGv t0 = tcg_temp_new();
10206 save_cpu_state(ctx, 1);
10208 gen_store_gpr(t0, rs);
10209 /* Stop translation as we may have switched the execution mode */
10210 ctx->bstate = BS_STOP;
10215 goto pool32axf_invalid;
10225 generate_exception(ctx, EXCP_SYSCALL);
10226 ctx->bstate = BS_STOP;
10229 check_insn(env, ctx, ISA_MIPS32);
10230 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
10231 generate_exception(ctx, EXCP_DBp);
10233 generate_exception(ctx, EXCP_DBp);
10237 goto pool32axf_invalid;
10243 gen_HILO(ctx, OPC_MFHI, rs);
10246 gen_HILO(ctx, OPC_MFLO, rs);
10249 gen_HILO(ctx, OPC_MTHI, rs);
10252 gen_HILO(ctx, OPC_MTLO, rs);
10255 goto pool32axf_invalid;
10260 MIPS_INVAL("pool32axf");
10261 generate_exception(ctx, EXCP_RI);
10266 /* Values for microMIPS fmt field. Variable-width, depending on which
10267 formats the instruction supports. */
10286 static void gen_pool32fxf (CPUState *env, DisasContext *ctx, int rt, int rs)
10288 int extension = (ctx->opcode >> 6) & 0x3ff;
10289 uint32_t mips32_op;
10291 #define FLOAT_1BIT_FMT(opc, fmt) (fmt << 8) | opc
10292 #define FLOAT_2BIT_FMT(opc, fmt) (fmt << 7) | opc
10293 #define COND_FLOAT_MOV(opc, cond) (cond << 7) | opc
10295 switch (extension) {
10296 case FLOAT_1BIT_FMT(CFC1, 0):
10297 mips32_op = OPC_CFC1;
10299 case FLOAT_1BIT_FMT(CTC1, 0):
10300 mips32_op = OPC_CTC1;
10302 case FLOAT_1BIT_FMT(MFC1, 0):
10303 mips32_op = OPC_MFC1;
10305 case FLOAT_1BIT_FMT(MTC1, 0):
10306 mips32_op = OPC_MTC1;
10308 case FLOAT_1BIT_FMT(MFHC1, 0):
10309 mips32_op = OPC_MFHC1;
10311 case FLOAT_1BIT_FMT(MTHC1, 0):
10312 mips32_op = OPC_MTHC1;
10314 gen_cp1(ctx, mips32_op, rt, rs);
10317 /* Reciprocal square root */
10318 case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_S):
10319 mips32_op = OPC_RSQRT_S;
10321 case FLOAT_1BIT_FMT(RSQRT_FMT, FMT_SD_D):
10322 mips32_op = OPC_RSQRT_D;
10326 case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_S):
10327 mips32_op = OPC_SQRT_S;
10329 case FLOAT_1BIT_FMT(SQRT_FMT, FMT_SD_D):
10330 mips32_op = OPC_SQRT_D;
10334 case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_S):
10335 mips32_op = OPC_RECIP_S;
10337 case FLOAT_1BIT_FMT(RECIP_FMT, FMT_SD_D):
10338 mips32_op = OPC_RECIP_D;
10342 case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_S):
10343 mips32_op = OPC_FLOOR_L_S;
10345 case FLOAT_1BIT_FMT(FLOOR_L, FMT_SD_D):
10346 mips32_op = OPC_FLOOR_L_D;
10348 case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_S):
10349 mips32_op = OPC_FLOOR_W_S;
10351 case FLOAT_1BIT_FMT(FLOOR_W, FMT_SD_D):
10352 mips32_op = OPC_FLOOR_W_D;
10356 case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_S):
10357 mips32_op = OPC_CEIL_L_S;
10359 case FLOAT_1BIT_FMT(CEIL_L, FMT_SD_D):
10360 mips32_op = OPC_CEIL_L_D;
10362 case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_S):
10363 mips32_op = OPC_CEIL_W_S;
10365 case FLOAT_1BIT_FMT(CEIL_W, FMT_SD_D):
10366 mips32_op = OPC_CEIL_W_D;
10370 case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_S):
10371 mips32_op = OPC_TRUNC_L_S;
10373 case FLOAT_1BIT_FMT(TRUNC_L, FMT_SD_D):
10374 mips32_op = OPC_TRUNC_L_D;
10376 case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_S):
10377 mips32_op = OPC_TRUNC_W_S;
10379 case FLOAT_1BIT_FMT(TRUNC_W, FMT_SD_D):
10380 mips32_op = OPC_TRUNC_W_D;
10384 case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_S):
10385 mips32_op = OPC_ROUND_L_S;
10387 case FLOAT_1BIT_FMT(ROUND_L, FMT_SD_D):
10388 mips32_op = OPC_ROUND_L_D;
10390 case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_S):
10391 mips32_op = OPC_ROUND_W_S;
10393 case FLOAT_1BIT_FMT(ROUND_W, FMT_SD_D):
10394 mips32_op = OPC_ROUND_W_D;
10397 /* Integer to floating-point conversion */
10398 case FLOAT_1BIT_FMT(CVT_L, FMT_SD_S):
10399 mips32_op = OPC_CVT_L_S;
10401 case FLOAT_1BIT_FMT(CVT_L, FMT_SD_D):
10402 mips32_op = OPC_CVT_L_D;
10404 case FLOAT_1BIT_FMT(CVT_W, FMT_SD_S):
10405 mips32_op = OPC_CVT_W_S;
10407 case FLOAT_1BIT_FMT(CVT_W, FMT_SD_D):
10408 mips32_op = OPC_CVT_W_D;
10411 /* Paired-foo conversions */
10412 case FLOAT_1BIT_FMT(CVT_S_PL, 0):
10413 mips32_op = OPC_CVT_S_PL;
10415 case FLOAT_1BIT_FMT(CVT_S_PU, 0):
10416 mips32_op = OPC_CVT_S_PU;
10418 case FLOAT_1BIT_FMT(CVT_PW_PS, 0):
10419 mips32_op = OPC_CVT_PW_PS;
10421 case FLOAT_1BIT_FMT(CVT_PS_PW, 0):
10422 mips32_op = OPC_CVT_PS_PW;
10425 /* Floating-point moves */
10426 case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_S):
10427 mips32_op = OPC_MOV_S;
10429 case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_D):
10430 mips32_op = OPC_MOV_D;
10432 case FLOAT_2BIT_FMT(MOV_FMT, FMT_SDPS_PS):
10433 mips32_op = OPC_MOV_PS;
10436 /* Absolute value */
10437 case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_S):
10438 mips32_op = OPC_ABS_S;
10440 case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_D):
10441 mips32_op = OPC_ABS_D;
10443 case FLOAT_2BIT_FMT(ABS_FMT, FMT_SDPS_PS):
10444 mips32_op = OPC_ABS_PS;
10448 case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_S):
10449 mips32_op = OPC_NEG_S;
10451 case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_D):
10452 mips32_op = OPC_NEG_D;
10454 case FLOAT_2BIT_FMT(NEG_FMT, FMT_SDPS_PS):
10455 mips32_op = OPC_NEG_PS;
10458 /* Reciprocal square root step */
10459 case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_S):
10460 mips32_op = OPC_RSQRT1_S;
10462 case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_D):
10463 mips32_op = OPC_RSQRT1_D;
10465 case FLOAT_2BIT_FMT(RSQRT1_FMT, FMT_SDPS_PS):
10466 mips32_op = OPC_RSQRT1_PS;
10469 /* Reciprocal step */
10470 case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_S):
10471 mips32_op = OPC_RECIP1_S;
10473 case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_D):
10474 mips32_op = OPC_RECIP1_S;
10476 case FLOAT_2BIT_FMT(RECIP1_FMT, FMT_SDPS_PS):
10477 mips32_op = OPC_RECIP1_PS;
10480 /* Conversions from double */
10481 case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_S):
10482 mips32_op = OPC_CVT_D_S;
10484 case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_W):
10485 mips32_op = OPC_CVT_D_W;
10487 case FLOAT_2BIT_FMT(CVT_D, FMT_SWL_L):
10488 mips32_op = OPC_CVT_D_L;
10491 /* Conversions from single */
10492 case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_D):
10493 mips32_op = OPC_CVT_S_D;
10495 case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_W):
10496 mips32_op = OPC_CVT_S_W;
10498 case FLOAT_2BIT_FMT(CVT_S, FMT_DWL_L):
10499 mips32_op = OPC_CVT_S_L;
10501 gen_farith(ctx, mips32_op, -1, rs, rt, 0);
10504 /* Conditional moves on floating-point codes */
10505 case COND_FLOAT_MOV(MOVT, 0):
10506 case COND_FLOAT_MOV(MOVT, 1):
10507 case COND_FLOAT_MOV(MOVT, 2):
10508 case COND_FLOAT_MOV(MOVT, 3):
10509 case COND_FLOAT_MOV(MOVT, 4):
10510 case COND_FLOAT_MOV(MOVT, 5):
10511 case COND_FLOAT_MOV(MOVT, 6):
10512 case COND_FLOAT_MOV(MOVT, 7):
10513 gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 1);
10515 case COND_FLOAT_MOV(MOVF, 0):
10516 case COND_FLOAT_MOV(MOVF, 1):
10517 case COND_FLOAT_MOV(MOVF, 2):
10518 case COND_FLOAT_MOV(MOVF, 3):
10519 case COND_FLOAT_MOV(MOVF, 4):
10520 case COND_FLOAT_MOV(MOVF, 5):
10521 case COND_FLOAT_MOV(MOVF, 6):
10522 case COND_FLOAT_MOV(MOVF, 7):
10523 gen_movci(ctx, rt, rs, (ctx->opcode >> 13) & 0x7, 0);
10526 MIPS_INVAL("pool32fxf");
10527 generate_exception(ctx, EXCP_RI);
10532 static void decode_micromips32_opc (CPUState *env, DisasContext *ctx,
10533 uint16_t insn_hw1, int *is_branch)
10537 int rt, rs, rd, rr;
10539 uint32_t op, minor, mips32_op;
10540 uint32_t cond, fmt, cc;
10542 insn = lduw_code(ctx->pc + 2);
10543 ctx->opcode = (ctx->opcode << 16) | insn;
10545 rt = (ctx->opcode >> 21) & 0x1f;
10546 rs = (ctx->opcode >> 16) & 0x1f;
10547 rd = (ctx->opcode >> 11) & 0x1f;
10548 rr = (ctx->opcode >> 6) & 0x1f;
10549 imm = (int16_t) ctx->opcode;
10551 op = (ctx->opcode >> 26) & 0x3f;
10554 minor = ctx->opcode & 0x3f;
10557 minor = (ctx->opcode >> 6) & 0xf;
10560 mips32_op = OPC_SLL;
10563 mips32_op = OPC_SRA;
10566 mips32_op = OPC_SRL;
10569 mips32_op = OPC_ROTR;
10571 gen_shift_imm(env, ctx, mips32_op, rt, rs, rd);
10574 goto pool32a_invalid;
10578 minor = (ctx->opcode >> 6) & 0xf;
10582 mips32_op = OPC_ADD;
10585 mips32_op = OPC_ADDU;
10588 mips32_op = OPC_SUB;
10591 mips32_op = OPC_SUBU;
10594 mips32_op = OPC_MUL;
10596 gen_arith(env, ctx, mips32_op, rd, rs, rt);
10600 mips32_op = OPC_SLLV;
10603 mips32_op = OPC_SRLV;
10606 mips32_op = OPC_SRAV;
10609 mips32_op = OPC_ROTRV;
10611 gen_shift(env, ctx, mips32_op, rd, rs, rt);
10613 /* Logical operations */
10615 mips32_op = OPC_AND;
10618 mips32_op = OPC_OR;
10621 mips32_op = OPC_NOR;
10624 mips32_op = OPC_XOR;
10626 gen_logic(env, mips32_op, rd, rs, rt);
10628 /* Set less than */
10630 mips32_op = OPC_SLT;
10633 mips32_op = OPC_SLTU;
10635 gen_slt(env, mips32_op, rd, rs, rt);
10638 goto pool32a_invalid;
10642 minor = (ctx->opcode >> 6) & 0xf;
10644 /* Conditional moves */
10646 mips32_op = OPC_MOVN;
10649 mips32_op = OPC_MOVZ;
10651 gen_cond_move(env, mips32_op, rd, rs, rt);
10654 gen_ldxs(ctx, rs, rt, rd);
10657 goto pool32a_invalid;
10661 gen_bitops(ctx, OPC_INS, rt, rs, rr, rd);
10664 gen_bitops(ctx, OPC_EXT, rt, rs, rr, rd);
10667 gen_pool32axf(env, ctx, rt, rs, is_branch);
10670 generate_exception(ctx, EXCP_BREAK);
10674 MIPS_INVAL("pool32a");
10675 generate_exception(ctx, EXCP_RI);
10680 minor = (ctx->opcode >> 12) & 0xf;
10683 /* Treat as no-op. */
10687 /* COP2: Not implemented. */
10688 generate_exception_err(ctx, EXCP_CpU, 2);
10692 #ifdef TARGET_MIPS64
10696 gen_ldst_pair(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12));
10700 #ifdef TARGET_MIPS64
10704 gen_ldst_multiple(ctx, minor, rt, rs, SIMM(ctx->opcode, 0, 12));
10707 MIPS_INVAL("pool32b");
10708 generate_exception(ctx, EXCP_RI);
10713 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
10714 minor = ctx->opcode & 0x3f;
10715 check_cp1_enabled(ctx);
10718 mips32_op = OPC_ALNV_PS;
10721 mips32_op = OPC_MADD_S;
10724 mips32_op = OPC_MADD_D;
10727 mips32_op = OPC_MADD_PS;
10730 mips32_op = OPC_MSUB_S;
10733 mips32_op = OPC_MSUB_D;
10736 mips32_op = OPC_MSUB_PS;
10739 mips32_op = OPC_NMADD_S;
10742 mips32_op = OPC_NMADD_D;
10745 mips32_op = OPC_NMADD_PS;
10748 mips32_op = OPC_NMSUB_S;
10751 mips32_op = OPC_NMSUB_D;
10754 mips32_op = OPC_NMSUB_PS;
10756 gen_flt3_arith(ctx, mips32_op, rd, rr, rs, rt);
10758 case CABS_COND_FMT:
10759 cond = (ctx->opcode >> 6) & 0xf;
10760 cc = (ctx->opcode >> 13) & 0x7;
10761 fmt = (ctx->opcode >> 10) & 0x3;
10764 gen_cmpabs_s(ctx, cond, rt, rs, cc);
10767 gen_cmpabs_d(ctx, cond, rt, rs, cc);
10770 gen_cmpabs_ps(ctx, cond, rt, rs, cc);
10773 goto pool32f_invalid;
10777 cond = (ctx->opcode >> 6) & 0xf;
10778 cc = (ctx->opcode >> 13) & 0x7;
10779 fmt = (ctx->opcode >> 10) & 0x3;
10782 gen_cmp_s(ctx, cond, rt, rs, cc);
10785 gen_cmp_d(ctx, cond, rt, rs, cc);
10788 gen_cmp_ps(ctx, cond, rt, rs, cc);
10791 goto pool32f_invalid;
10795 gen_pool32fxf(env, ctx, rt, rs);
10799 switch ((ctx->opcode >> 6) & 0x7) {
10801 mips32_op = OPC_PLL_PS;
10804 mips32_op = OPC_PLU_PS;
10807 mips32_op = OPC_PUL_PS;
10810 mips32_op = OPC_PUU_PS;
10813 mips32_op = OPC_CVT_PS_S;
10815 gen_farith(ctx, mips32_op, rt, rs, rd, 0);
10818 goto pool32f_invalid;
10823 switch ((ctx->opcode >> 6) & 0x7) {
10825 mips32_op = OPC_LWXC1;
10828 mips32_op = OPC_SWXC1;
10831 mips32_op = OPC_LDXC1;
10834 mips32_op = OPC_SDXC1;
10837 mips32_op = OPC_LUXC1;
10840 mips32_op = OPC_SUXC1;
10842 gen_flt3_ldst(ctx, mips32_op, rd, rd, rt, rs);
10845 goto pool32f_invalid;
10850 fmt = (ctx->opcode >> 9) & 0x3;
10851 switch ((ctx->opcode >> 6) & 0x7) {
10855 mips32_op = OPC_RSQRT2_S;
10858 mips32_op = OPC_RSQRT2_D;
10861 mips32_op = OPC_RSQRT2_PS;
10864 goto pool32f_invalid;
10870 mips32_op = OPC_RECIP2_S;
10873 mips32_op = OPC_RECIP2_D;
10876 mips32_op = OPC_RECIP2_PS;
10879 goto pool32f_invalid;
10883 mips32_op = OPC_ADDR_PS;
10886 mips32_op = OPC_MULR_PS;
10888 gen_farith(ctx, mips32_op, rt, rs, rd, 0);
10891 goto pool32f_invalid;
10895 /* MOV[FT].fmt and PREFX */
10896 cc = (ctx->opcode >> 13) & 0x7;
10897 fmt = (ctx->opcode >> 9) & 0x3;
10898 switch ((ctx->opcode >> 6) & 0x7) {
10902 gen_movcf_s(rs, rt, cc, 0);
10905 gen_movcf_d(ctx, rs, rt, cc, 0);
10908 gen_movcf_ps(rs, rt, cc, 0);
10911 goto pool32f_invalid;
10917 gen_movcf_s(rs, rt, cc, 1);
10920 gen_movcf_d(ctx, rs, rt, cc, 1);
10923 gen_movcf_ps(rs, rt, cc, 1);
10926 goto pool32f_invalid;
10932 goto pool32f_invalid;
10935 #define FINSN_3ARG_SDPS(prfx) \
10936 switch ((ctx->opcode >> 8) & 0x3) { \
10938 mips32_op = OPC_##prfx##_S; \
10941 mips32_op = OPC_##prfx##_D; \
10943 case FMT_SDPS_PS: \
10944 mips32_op = OPC_##prfx##_PS; \
10947 goto pool32f_invalid; \
10950 /* regular FP ops */
10951 switch ((ctx->opcode >> 6) & 0x3) {
10953 FINSN_3ARG_SDPS(ADD);
10956 FINSN_3ARG_SDPS(SUB);
10959 FINSN_3ARG_SDPS(MUL);
10962 fmt = (ctx->opcode >> 8) & 0x3;
10964 mips32_op = OPC_DIV_D;
10965 } else if (fmt == 0) {
10966 mips32_op = OPC_DIV_S;
10968 goto pool32f_invalid;
10972 goto pool32f_invalid;
10977 switch ((ctx->opcode >> 6) & 0x3) {
10979 FINSN_3ARG_SDPS(MOVN);
10982 FINSN_3ARG_SDPS(MOVZ);
10985 goto pool32f_invalid;
10989 gen_farith(ctx, mips32_op, rt, rs, rd, 0);
10993 MIPS_INVAL("pool32f");
10994 generate_exception(ctx, EXCP_RI);
10998 generate_exception_err(ctx, EXCP_CpU, 1);
11002 minor = (ctx->opcode >> 21) & 0x1f;
11005 mips32_op = OPC_BLTZ;
11008 mips32_op = OPC_BLTZAL;
11011 mips32_op = OPC_BLTZALS;
11014 mips32_op = OPC_BGEZ;
11017 mips32_op = OPC_BGEZAL;
11020 mips32_op = OPC_BGEZALS;
11023 mips32_op = OPC_BLEZ;
11026 mips32_op = OPC_BGTZ;
11028 gen_compute_branch(ctx, mips32_op, 4, rs, -1, imm << 1);
11034 mips32_op = OPC_TLTI;
11037 mips32_op = OPC_TGEI;
11040 mips32_op = OPC_TLTIU;
11043 mips32_op = OPC_TGEIU;
11046 mips32_op = OPC_TNEI;
11049 mips32_op = OPC_TEQI;
11051 gen_trap(ctx, mips32_op, rs, -1, imm);
11056 gen_compute_branch(ctx, minor == BNEZC ? OPC_BNE : OPC_BEQ,
11057 4, rs, 0, imm << 1);
11058 /* Compact branches don't have a delay slot, so just let
11059 the normal delay slot handling take us to the branch
11063 gen_logic_imm(env, OPC_LUI, rs, -1, imm);
11069 /* COP2: Not implemented. */
11070 generate_exception_err(ctx, EXCP_CpU, 2);
11073 mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1FANY2 : OPC_BC1F;
11076 mips32_op = (ctx->opcode & (1 << 16)) ? OPC_BC1TANY2 : OPC_BC1T;
11079 mips32_op = OPC_BC1FANY4;
11082 mips32_op = OPC_BC1TANY4;
11085 check_insn(env, ctx, ASE_MIPS3D);
11088 gen_compute_branch1(env, ctx, mips32_op,
11089 (ctx->opcode >> 18) & 0x7, imm << 1);
11094 /* MIPS DSP: not implemented */
11097 MIPS_INVAL("pool32i");
11098 generate_exception(ctx, EXCP_RI);
11103 minor = (ctx->opcode >> 12) & 0xf;
11106 mips32_op = OPC_LWL;
11109 mips32_op = OPC_SWL;
11112 mips32_op = OPC_LWR;
11115 mips32_op = OPC_SWR;
11117 #if defined(TARGET_MIPS64)
11119 mips32_op = OPC_LDL;
11122 mips32_op = OPC_SDL;
11125 mips32_op = OPC_LDR;
11128 mips32_op = OPC_SDR;
11131 mips32_op = OPC_LWU;
11134 mips32_op = OPC_LLD;
11138 mips32_op = OPC_LL;
11141 gen_ld(env, ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12));
11144 gen_st(ctx, mips32_op, rt, rs, SIMM(ctx->opcode, 0, 12));
11147 gen_st_cond(ctx, OPC_SC, rt, rs, SIMM(ctx->opcode, 0, 12));
11149 #if defined(TARGET_MIPS64)
11151 gen_st_cond(ctx, OPC_SCD, rt, rs, SIMM(ctx->opcode, 0, 12));
11155 /* Treat as no-op */
11158 MIPS_INVAL("pool32c");
11159 generate_exception(ctx, EXCP_RI);
11164 mips32_op = OPC_ADDI;
11167 mips32_op = OPC_ADDIU;
11169 gen_arith_imm(env, ctx, mips32_op, rt, rs, imm);
11172 /* Logical operations */
11174 mips32_op = OPC_ORI;
11177 mips32_op = OPC_XORI;
11180 mips32_op = OPC_ANDI;
11182 gen_logic_imm(env, mips32_op, rt, rs, imm);
11185 /* Set less than immediate */
11187 mips32_op = OPC_SLTI;
11190 mips32_op = OPC_SLTIU;
11192 gen_slt_imm(env, mips32_op, rt, rs, imm);
11195 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
11196 gen_compute_branch(ctx, OPC_JALX, 4, rt, rs, offset);
11200 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 1;
11201 gen_compute_branch(ctx, OPC_JALS, 4, rt, rs, offset);
11205 gen_compute_branch(ctx, OPC_BEQ, 4, rt, rs, imm << 1);
11209 gen_compute_branch(ctx, OPC_BNE, 4, rt, rs, imm << 1);
11213 gen_compute_branch(ctx, OPC_J, 4, rt, rs,
11214 (int32_t)(ctx->opcode & 0x3FFFFFF) << 1);
11218 gen_compute_branch(ctx, OPC_JAL, 4, rt, rs,
11219 (int32_t)(ctx->opcode & 0x3FFFFFF) << 1);
11222 /* Floating point (COP1) */
11224 mips32_op = OPC_LWC1;
11227 mips32_op = OPC_LDC1;
11230 mips32_op = OPC_SWC1;
11233 mips32_op = OPC_SDC1;
11235 gen_cop1_ldst(env, ctx, mips32_op, rt, rs, imm);
11239 int reg = mmreg(ZIMM(ctx->opcode, 23, 3));
11240 int offset = SIMM(ctx->opcode, 0, 23) << 2;
11242 gen_addiupc(ctx, reg, offset, 0, 0);
11245 /* Loads and stores */
11247 mips32_op = OPC_LB;
11250 mips32_op = OPC_LBU;
11253 mips32_op = OPC_LH;
11256 mips32_op = OPC_LHU;
11259 mips32_op = OPC_LW;
11261 #ifdef TARGET_MIPS64
11263 mips32_op = OPC_LD;
11266 mips32_op = OPC_SD;
11270 mips32_op = OPC_SB;
11273 mips32_op = OPC_SH;
11276 mips32_op = OPC_SW;
11279 gen_ld(env, ctx, mips32_op, rt, rs, imm);
11282 gen_st(ctx, mips32_op, rt, rs, imm);
11285 generate_exception(ctx, EXCP_RI);
11290 static int decode_micromips_opc (CPUState *env, DisasContext *ctx, int *is_branch)
11294 /* make sure instructions are on a halfword boundary */
11295 if (ctx->pc & 0x1) {
11296 env->CP0_BadVAddr = ctx->pc;
11297 generate_exception(ctx, EXCP_AdEL);
11298 ctx->bstate = BS_STOP;
11302 op = (ctx->opcode >> 10) & 0x3f;
11303 /* Enforce properly-sized instructions in a delay slot */
11304 if (ctx->hflags & MIPS_HFLAG_BMASK) {
11305 int bits = ctx->hflags & MIPS_HFLAG_BMASK_EXT;
11339 case POOL48A: /* ??? */
11344 if (bits & MIPS_HFLAG_BDS16) {
11345 generate_exception(ctx, EXCP_RI);
11346 /* Just stop translation; the user is confused. */
11347 ctx->bstate = BS_STOP;
11372 if (bits & MIPS_HFLAG_BDS32) {
11373 generate_exception(ctx, EXCP_RI);
11374 /* Just stop translation; the user is confused. */
11375 ctx->bstate = BS_STOP;
11386 int rd = mmreg(uMIPS_RD(ctx->opcode));
11387 int rs1 = mmreg(uMIPS_RS1(ctx->opcode));
11388 int rs2 = mmreg(uMIPS_RS2(ctx->opcode));
11391 switch (ctx->opcode & 0x1) {
11400 gen_arith(env, ctx, opc, rd, rs1, rs2);
11405 int rd = mmreg(uMIPS_RD(ctx->opcode));
11406 int rs = mmreg(uMIPS_RS(ctx->opcode));
11407 int amount = (ctx->opcode >> 1) & 0x7;
11409 amount = amount == 0 ? 8 : amount;
11411 switch (ctx->opcode & 0x1) {
11420 gen_shift_imm(env, ctx, opc, rd, rs, amount);
11424 gen_pool16c_insn(env, ctx, is_branch);
11428 int rd = mmreg(uMIPS_RD(ctx->opcode));
11429 int rb = 28; /* GP */
11430 int16_t offset = SIMM(ctx->opcode, 0, 7) << 2;
11432 gen_ld(env, ctx, OPC_LW, rd, rb, offset);
11436 if (ctx->opcode & 1) {
11437 generate_exception(ctx, EXCP_RI);
11440 int enc_dest = uMIPS_RD(ctx->opcode);
11441 int enc_rt = uMIPS_RS2(ctx->opcode);
11442 int enc_rs = uMIPS_RS1(ctx->opcode);
11443 int rd, rs, re, rt;
11444 static const int rd_enc[] = { 5, 5, 6, 4, 4, 4, 4, 4 };
11445 static const int re_enc[] = { 6, 7, 7, 21, 22, 5, 6, 7 };
11446 static const int rs_rt_enc[] = { 0, 17, 2, 3, 16, 18, 19, 20 };
11448 rd = rd_enc[enc_dest];
11449 re = re_enc[enc_dest];
11450 rs = rs_rt_enc[enc_rs];
11451 rt = rs_rt_enc[enc_rt];
11453 gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, 0);
11454 gen_arith_imm(env, ctx, OPC_ADDIU, re, rt, 0);
11459 int rd = mmreg(uMIPS_RD(ctx->opcode));
11460 int rb = mmreg(uMIPS_RS(ctx->opcode));
11461 int16_t offset = ZIMM(ctx->opcode, 0, 4);
11462 offset = (offset == 0xf ? -1 : offset);
11464 gen_ld(env, ctx, OPC_LBU, rd, rb, offset);
11469 int rd = mmreg(uMIPS_RD(ctx->opcode));
11470 int rb = mmreg(uMIPS_RS(ctx->opcode));
11471 int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1;
11473 gen_ld(env, ctx, OPC_LHU, rd, rb, offset);
11478 int rd = (ctx->opcode >> 5) & 0x1f;
11479 int rb = 29; /* SP */
11480 int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2;
11482 gen_ld(env, ctx, OPC_LW, rd, rb, offset);
11487 int rd = mmreg(uMIPS_RD(ctx->opcode));
11488 int rb = mmreg(uMIPS_RS(ctx->opcode));
11489 int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2;
11491 gen_ld(env, ctx, OPC_LW, rd, rb, offset);
11496 int rd = mmreg2(uMIPS_RD(ctx->opcode));
11497 int rb = mmreg(uMIPS_RS(ctx->opcode));
11498 int16_t offset = ZIMM(ctx->opcode, 0, 4);
11500 gen_st(ctx, OPC_SB, rd, rb, offset);
11505 int rd = mmreg2(uMIPS_RD(ctx->opcode));
11506 int rb = mmreg(uMIPS_RS(ctx->opcode));
11507 int16_t offset = ZIMM(ctx->opcode, 0, 4) << 1;
11509 gen_st(ctx, OPC_SH, rd, rb, offset);
11514 int rd = (ctx->opcode >> 5) & 0x1f;
11515 int rb = 29; /* SP */
11516 int16_t offset = ZIMM(ctx->opcode, 0, 5) << 2;
11518 gen_st(ctx, OPC_SW, rd, rb, offset);
11523 int rd = mmreg2(uMIPS_RD(ctx->opcode));
11524 int rb = mmreg(uMIPS_RS(ctx->opcode));
11525 int16_t offset = ZIMM(ctx->opcode, 0, 4) << 2;
11527 gen_st(ctx, OPC_SW, rd, rb, offset);
11532 int rd = uMIPS_RD5(ctx->opcode);
11533 int rs = uMIPS_RS5(ctx->opcode);
11535 gen_arith_imm(env, ctx, OPC_ADDIU, rd, rs, 0);
11539 gen_andi16(env, ctx);
11542 switch (ctx->opcode & 0x1) {
11544 gen_addius5(env, ctx);
11547 gen_addiusp(env, ctx);
11552 switch (ctx->opcode & 0x1) {
11554 gen_addiur2(env, ctx);
11557 gen_addiur1sp(env, ctx);
11562 gen_compute_branch(ctx, OPC_BEQ, 2, 0, 0,
11563 SIMM(ctx->opcode, 0, 10) << 1);
11568 gen_compute_branch(ctx, op == BNEZ16 ? OPC_BNE : OPC_BEQ, 2,
11569 mmreg(uMIPS_RD(ctx->opcode)),
11570 0, SIMM(ctx->opcode, 0, 7) << 1);
11575 int reg = mmreg(uMIPS_RD(ctx->opcode));
11576 int imm = ZIMM(ctx->opcode, 0, 7);
11578 imm = (imm == 0x7f ? -1 : imm);
11579 tcg_gen_movi_tl(cpu_gpr[reg], imm);
11589 generate_exception(ctx, EXCP_RI);
11592 decode_micromips32_opc (env, ctx, op, is_branch);
11599 /* SmartMIPS extension to MIPS32 */
11601 #if defined(TARGET_MIPS64)
11603 /* MDMX extension to MIPS64 */
11607 static void decode_opc (CPUState *env, DisasContext *ctx, int *is_branch)
11610 int rs, rt, rd, sa;
11611 uint32_t op, op1, op2;
11614 /* make sure instructions are on a word boundary */
11615 if (ctx->pc & 0x3) {
11616 env->CP0_BadVAddr = ctx->pc;
11617 generate_exception(ctx, EXCP_AdEL);
11621 /* Handle blikely not taken case */
11622 if ((ctx->hflags & MIPS_HFLAG_BMASK_BASE) == MIPS_HFLAG_BL) {
11623 int l1 = gen_new_label();
11625 MIPS_DEBUG("blikely condition (" TARGET_FMT_lx ")", ctx->pc + 4);
11626 tcg_gen_brcondi_tl(TCG_COND_NE, bcond, 0, l1);
11627 tcg_gen_movi_i32(hflags, ctx->hflags & ~MIPS_HFLAG_BMASK);
11628 gen_goto_tb(ctx, 1, ctx->pc + 4);
11632 if (unlikely(qemu_loglevel_mask(CPU_LOG_TB_OP)))
11633 tcg_gen_debug_insn_start(ctx->pc);
11635 op = MASK_OP_MAJOR(ctx->opcode);
11636 rs = (ctx->opcode >> 21) & 0x1f;
11637 rt = (ctx->opcode >> 16) & 0x1f;
11638 rd = (ctx->opcode >> 11) & 0x1f;
11639 sa = (ctx->opcode >> 6) & 0x1f;
11640 imm = (int16_t)ctx->opcode;
11643 op1 = MASK_SPECIAL(ctx->opcode);
11645 case OPC_SLL: /* Shift with immediate */
11647 gen_shift_imm(env, ctx, op1, rd, rt, sa);
11650 switch ((ctx->opcode >> 21) & 0x1f) {
11652 /* rotr is decoded as srl on non-R2 CPUs */
11653 if (env->insn_flags & ISA_MIPS32R2) {
11658 gen_shift_imm(env, ctx, op1, rd, rt, sa);
11661 generate_exception(ctx, EXCP_RI);
11665 case OPC_MOVN: /* Conditional move */
11667 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32 |
11668 INSN_LOONGSON2E | INSN_LOONGSON2F);
11669 gen_cond_move(env, op1, rd, rs, rt);
11671 case OPC_ADD ... OPC_SUBU:
11672 gen_arith(env, ctx, op1, rd, rs, rt);
11674 case OPC_SLLV: /* Shifts */
11676 gen_shift(env, ctx, op1, rd, rs, rt);
11679 switch ((ctx->opcode >> 6) & 0x1f) {
11681 /* rotrv is decoded as srlv on non-R2 CPUs */
11682 if (env->insn_flags & ISA_MIPS32R2) {
11687 gen_shift(env, ctx, op1, rd, rs, rt);
11690 generate_exception(ctx, EXCP_RI);
11694 case OPC_SLT: /* Set on less than */
11696 gen_slt(env, op1, rd, rs, rt);
11698 case OPC_AND: /* Logic*/
11702 gen_logic(env, op1, rd, rs, rt);
11704 case OPC_MULT ... OPC_DIVU:
11706 check_insn(env, ctx, INSN_VR54XX);
11707 op1 = MASK_MUL_VR54XX(ctx->opcode);
11708 gen_mul_vr54xx(ctx, op1, rd, rs, rt);
11710 gen_muldiv(ctx, op1, rs, rt);
11712 case OPC_JR ... OPC_JALR:
11713 gen_compute_branch(ctx, op1, 4, rs, rd, sa);
11716 case OPC_TGE ... OPC_TEQ: /* Traps */
11718 gen_trap(ctx, op1, rs, rt, -1);
11720 case OPC_MFHI: /* Move from HI/LO */
11722 gen_HILO(ctx, op1, rd);
11725 case OPC_MTLO: /* Move to HI/LO */
11726 gen_HILO(ctx, op1, rs);
11728 case OPC_PMON: /* Pmon entry point, also R4010 selsl */
11729 #ifdef MIPS_STRICT_STANDARD
11730 MIPS_INVAL("PMON / selsl");
11731 generate_exception(ctx, EXCP_RI);
11733 gen_helper_0i(pmon, sa);
11737 generate_exception(ctx, EXCP_SYSCALL);
11738 ctx->bstate = BS_STOP;
11741 generate_exception(ctx, EXCP_BREAK);
11744 #ifdef MIPS_STRICT_STANDARD
11745 MIPS_INVAL("SPIM");
11746 generate_exception(ctx, EXCP_RI);
11748 /* Implemented as RI exception for now. */
11749 MIPS_INVAL("spim (unofficial)");
11750 generate_exception(ctx, EXCP_RI);
11754 /* Treat as NOP. */
11758 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
11759 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
11760 check_cp1_enabled(ctx);
11761 gen_movci(ctx, rd, rs, (ctx->opcode >> 18) & 0x7,
11762 (ctx->opcode >> 16) & 1);
11764 generate_exception_err(ctx, EXCP_CpU, 1);
11768 #if defined(TARGET_MIPS64)
11769 /* MIPS64 specific opcodes */
11774 check_insn(env, ctx, ISA_MIPS3);
11775 check_mips_64(ctx);
11776 gen_shift_imm(env, ctx, op1, rd, rt, sa);
11779 switch ((ctx->opcode >> 21) & 0x1f) {
11781 /* drotr is decoded as dsrl on non-R2 CPUs */
11782 if (env->insn_flags & ISA_MIPS32R2) {
11787 check_insn(env, ctx, ISA_MIPS3);
11788 check_mips_64(ctx);
11789 gen_shift_imm(env, ctx, op1, rd, rt, sa);
11792 generate_exception(ctx, EXCP_RI);
11797 switch ((ctx->opcode >> 21) & 0x1f) {
11799 /* drotr32 is decoded as dsrl32 on non-R2 CPUs */
11800 if (env->insn_flags & ISA_MIPS32R2) {
11805 check_insn(env, ctx, ISA_MIPS3);
11806 check_mips_64(ctx);
11807 gen_shift_imm(env, ctx, op1, rd, rt, sa);
11810 generate_exception(ctx, EXCP_RI);
11814 case OPC_DADD ... OPC_DSUBU:
11815 check_insn(env, ctx, ISA_MIPS3);
11816 check_mips_64(ctx);
11817 gen_arith(env, ctx, op1, rd, rs, rt);
11821 check_insn(env, ctx, ISA_MIPS3);
11822 check_mips_64(ctx);
11823 gen_shift(env, ctx, op1, rd, rs, rt);
11826 switch ((ctx->opcode >> 6) & 0x1f) {
11828 /* drotrv is decoded as dsrlv on non-R2 CPUs */
11829 if (env->insn_flags & ISA_MIPS32R2) {
11834 check_insn(env, ctx, ISA_MIPS3);
11835 check_mips_64(ctx);
11836 gen_shift(env, ctx, op1, rd, rs, rt);
11839 generate_exception(ctx, EXCP_RI);
11843 case OPC_DMULT ... OPC_DDIVU:
11844 check_insn(env, ctx, ISA_MIPS3);
11845 check_mips_64(ctx);
11846 gen_muldiv(ctx, op1, rs, rt);
11849 default: /* Invalid */
11850 MIPS_INVAL("special");
11851 generate_exception(ctx, EXCP_RI);
11856 op1 = MASK_SPECIAL2(ctx->opcode);
11858 case OPC_MADD ... OPC_MADDU: /* Multiply and add/sub */
11859 case OPC_MSUB ... OPC_MSUBU:
11860 check_insn(env, ctx, ISA_MIPS32);
11861 gen_muldiv(ctx, op1, rs, rt);
11864 gen_arith(env, ctx, op1, rd, rs, rt);
11868 check_insn(env, ctx, ISA_MIPS32);
11869 gen_cl(ctx, op1, rd, rs);
11872 /* XXX: not clear which exception should be raised
11873 * when in debug mode...
11875 check_insn(env, ctx, ISA_MIPS32);
11876 if (!(ctx->hflags & MIPS_HFLAG_DM)) {
11877 generate_exception(ctx, EXCP_DBp);
11879 generate_exception(ctx, EXCP_DBp);
11881 /* Treat as NOP. */
11884 case OPC_DIVU_G_2F:
11885 case OPC_MULT_G_2F:
11886 case OPC_MULTU_G_2F:
11888 case OPC_MODU_G_2F:
11889 check_insn(env, ctx, INSN_LOONGSON2F);
11890 gen_loongson_integer(ctx, op1, rd, rs, rt);
11892 #if defined(TARGET_MIPS64)
11895 check_insn(env, ctx, ISA_MIPS64);
11896 check_mips_64(ctx);
11897 gen_cl(ctx, op1, rd, rs);
11899 case OPC_DMULT_G_2F:
11900 case OPC_DMULTU_G_2F:
11901 case OPC_DDIV_G_2F:
11902 case OPC_DDIVU_G_2F:
11903 case OPC_DMOD_G_2F:
11904 case OPC_DMODU_G_2F:
11905 check_insn(env, ctx, INSN_LOONGSON2F);
11906 gen_loongson_integer(ctx, op1, rd, rs, rt);
11909 default: /* Invalid */
11910 MIPS_INVAL("special2");
11911 generate_exception(ctx, EXCP_RI);
11916 op1 = MASK_SPECIAL3(ctx->opcode);
11920 check_insn(env, ctx, ISA_MIPS32R2);
11921 gen_bitops(ctx, op1, rt, rs, sa, rd);
11924 check_insn(env, ctx, ISA_MIPS32R2);
11925 op2 = MASK_BSHFL(ctx->opcode);
11926 gen_bshfl(ctx, op2, rt, rd);
11929 gen_rdhwr(env, ctx, rt, rd);
11932 check_insn(env, ctx, ASE_MT);
11934 TCGv t0 = tcg_temp_new();
11935 TCGv t1 = tcg_temp_new();
11937 gen_load_gpr(t0, rt);
11938 gen_load_gpr(t1, rs);
11939 gen_helper_fork(t0, t1);
11945 check_insn(env, ctx, ASE_MT);
11947 TCGv t0 = tcg_temp_new();
11949 save_cpu_state(ctx, 1);
11950 gen_load_gpr(t0, rs);
11951 gen_helper_yield(t0, t0);
11952 gen_store_gpr(t0, rd);
11956 case OPC_DIV_G_2E ... OPC_DIVU_G_2E:
11957 case OPC_MULT_G_2E ... OPC_MULTU_G_2E:
11958 case OPC_MOD_G_2E ... OPC_MODU_G_2E:
11959 check_insn(env, ctx, INSN_LOONGSON2E);
11960 gen_loongson_integer(ctx, op1, rd, rs, rt);
11962 #if defined(TARGET_MIPS64)
11963 case OPC_DEXTM ... OPC_DEXT:
11964 case OPC_DINSM ... OPC_DINS:
11965 check_insn(env, ctx, ISA_MIPS64R2);
11966 check_mips_64(ctx);
11967 gen_bitops(ctx, op1, rt, rs, sa, rd);
11970 check_insn(env, ctx, ISA_MIPS64R2);
11971 check_mips_64(ctx);
11972 op2 = MASK_DBSHFL(ctx->opcode);
11973 gen_bshfl(ctx, op2, rt, rd);
11975 case OPC_DDIV_G_2E ... OPC_DDIVU_G_2E:
11976 case OPC_DMULT_G_2E ... OPC_DMULTU_G_2E:
11977 case OPC_DMOD_G_2E ... OPC_DMODU_G_2E:
11978 check_insn(env, ctx, INSN_LOONGSON2E);
11979 gen_loongson_integer(ctx, op1, rd, rs, rt);
11982 default: /* Invalid */
11983 MIPS_INVAL("special3");
11984 generate_exception(ctx, EXCP_RI);
11989 op1 = MASK_REGIMM(ctx->opcode);
11991 case OPC_BLTZ ... OPC_BGEZL: /* REGIMM branches */
11992 case OPC_BLTZAL ... OPC_BGEZALL:
11993 gen_compute_branch(ctx, op1, 4, rs, -1, imm << 2);
11996 case OPC_TGEI ... OPC_TEQI: /* REGIMM traps */
11998 gen_trap(ctx, op1, rs, -1, imm);
12001 check_insn(env, ctx, ISA_MIPS32R2);
12002 /* Treat as NOP. */
12004 default: /* Invalid */
12005 MIPS_INVAL("regimm");
12006 generate_exception(ctx, EXCP_RI);
12011 check_cp0_enabled(ctx);
12012 op1 = MASK_CP0(ctx->opcode);
12018 #if defined(TARGET_MIPS64)
12022 #ifndef CONFIG_USER_ONLY
12023 gen_cp0(env, ctx, op1, rt, rd);
12024 #endif /* !CONFIG_USER_ONLY */
12026 case OPC_C0_FIRST ... OPC_C0_LAST:
12027 #ifndef CONFIG_USER_ONLY
12028 gen_cp0(env, ctx, MASK_C0(ctx->opcode), rt, rd);
12029 #endif /* !CONFIG_USER_ONLY */
12032 #ifndef CONFIG_USER_ONLY
12034 TCGv t0 = tcg_temp_new();
12036 op2 = MASK_MFMC0(ctx->opcode);
12039 check_insn(env, ctx, ASE_MT);
12040 gen_helper_dmt(t0);
12041 gen_store_gpr(t0, rt);
12044 check_insn(env, ctx, ASE_MT);
12045 gen_helper_emt(t0);
12046 gen_store_gpr(t0, rt);
12049 check_insn(env, ctx, ASE_MT);
12050 gen_helper_dvpe(t0);
12051 gen_store_gpr(t0, rt);
12054 check_insn(env, ctx, ASE_MT);
12055 gen_helper_evpe(t0);
12056 gen_store_gpr(t0, rt);
12059 check_insn(env, ctx, ISA_MIPS32R2);
12060 save_cpu_state(ctx, 1);
12062 gen_store_gpr(t0, rt);
12063 /* Stop translation as we may have switched the execution mode */
12064 ctx->bstate = BS_STOP;
12067 check_insn(env, ctx, ISA_MIPS32R2);
12068 save_cpu_state(ctx, 1);
12070 gen_store_gpr(t0, rt);
12071 /* Stop translation as we may have switched the execution mode */
12072 ctx->bstate = BS_STOP;
12074 default: /* Invalid */
12075 MIPS_INVAL("mfmc0");
12076 generate_exception(ctx, EXCP_RI);
12081 #endif /* !CONFIG_USER_ONLY */
12084 check_insn(env, ctx, ISA_MIPS32R2);
12085 gen_load_srsgpr(rt, rd);
12088 check_insn(env, ctx, ISA_MIPS32R2);
12089 gen_store_srsgpr(rt, rd);
12093 generate_exception(ctx, EXCP_RI);
12097 case OPC_ADDI: /* Arithmetic with immediate opcode */
12099 gen_arith_imm(env, ctx, op, rt, rs, imm);
12101 case OPC_SLTI: /* Set on less than with immediate opcode */
12103 gen_slt_imm(env, op, rt, rs, imm);
12105 case OPC_ANDI: /* Arithmetic with immediate opcode */
12109 gen_logic_imm(env, op, rt, rs, imm);
12111 case OPC_J ... OPC_JAL: /* Jump */
12112 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
12113 gen_compute_branch(ctx, op, 4, rs, rt, offset);
12116 case OPC_BEQ ... OPC_BGTZ: /* Branch */
12117 case OPC_BEQL ... OPC_BGTZL:
12118 gen_compute_branch(ctx, op, 4, rs, rt, imm << 2);
12121 case OPC_LB ... OPC_LWR: /* Load and stores */
12123 gen_ld(env, ctx, op, rt, rs, imm);
12125 case OPC_SB ... OPC_SW:
12127 gen_st(ctx, op, rt, rs, imm);
12130 gen_st_cond(ctx, op, rt, rs, imm);
12133 check_insn(env, ctx, ISA_MIPS3 | ISA_MIPS32);
12134 /* Treat as NOP. */
12137 check_insn(env, ctx, ISA_MIPS4 | ISA_MIPS32);
12138 /* Treat as NOP. */
12141 /* Floating point (COP1). */
12146 gen_cop1_ldst(env, ctx, op, rt, rs, imm);
12150 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
12151 check_cp1_enabled(ctx);
12152 op1 = MASK_CP1(ctx->opcode);
12156 check_insn(env, ctx, ISA_MIPS32R2);
12161 gen_cp1(ctx, op1, rt, rd);
12163 #if defined(TARGET_MIPS64)
12166 check_insn(env, ctx, ISA_MIPS3);
12167 gen_cp1(ctx, op1, rt, rd);
12173 check_insn(env, ctx, ASE_MIPS3D);
12176 gen_compute_branch1(env, ctx, MASK_BC1(ctx->opcode),
12177 (rt >> 2) & 0x7, imm << 2);
12185 gen_farith(ctx, ctx->opcode & FOP(0x3f, 0x1f), rt, rd, sa,
12190 generate_exception (ctx, EXCP_RI);
12194 generate_exception_err(ctx, EXCP_CpU, 1);
12204 /* COP2: Not implemented. */
12205 generate_exception_err(ctx, EXCP_CpU, 2);
12209 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
12210 check_cp1_enabled(ctx);
12211 op1 = MASK_CP3(ctx->opcode);
12219 gen_flt3_ldst(ctx, op1, sa, rd, rs, rt);
12222 /* Treat as NOP. */
12237 gen_flt3_arith(ctx, op1, sa, rs, rd, rt);
12241 generate_exception (ctx, EXCP_RI);
12245 generate_exception_err(ctx, EXCP_CpU, 1);
12249 #if defined(TARGET_MIPS64)
12250 /* MIPS64 opcodes */
12252 case OPC_LDL ... OPC_LDR:
12255 check_insn(env, ctx, ISA_MIPS3);
12256 check_mips_64(ctx);
12257 gen_ld(env, ctx, op, rt, rs, imm);
12259 case OPC_SDL ... OPC_SDR:
12261 check_insn(env, ctx, ISA_MIPS3);
12262 check_mips_64(ctx);
12263 gen_st(ctx, op, rt, rs, imm);
12266 check_insn(env, ctx, ISA_MIPS3);
12267 check_mips_64(ctx);
12268 gen_st_cond(ctx, op, rt, rs, imm);
12272 check_insn(env, ctx, ISA_MIPS3);
12273 check_mips_64(ctx);
12274 gen_arith_imm(env, ctx, op, rt, rs, imm);
12278 check_insn(env, ctx, ASE_MIPS16 | ASE_MICROMIPS);
12279 offset = (int32_t)(ctx->opcode & 0x3FFFFFF) << 2;
12280 gen_compute_branch(ctx, op, 4, rs, rt, offset);
12284 check_insn(env, ctx, ASE_MDMX);
12285 /* MDMX: Not implemented. */
12286 default: /* Invalid */
12287 MIPS_INVAL("major opcode");
12288 generate_exception(ctx, EXCP_RI);
12294 gen_intermediate_code_internal (CPUState *env, TranslationBlock *tb,
12298 target_ulong pc_start;
12299 uint16_t *gen_opc_end;
12308 qemu_log("search pc %d\n", search_pc);
12311 gen_opc_end = gen_opc_buf + OPC_MAX_SIZE;
12314 ctx.singlestep_enabled = env->singlestep_enabled;
12316 ctx.bstate = BS_NONE;
12317 /* Restore delay slot state from the tb context. */
12318 ctx.hflags = (uint32_t)tb->flags; /* FIXME: maybe use 64 bits here? */
12319 restore_cpu_state(env, &ctx);
12320 #ifdef CONFIG_USER_ONLY
12321 ctx.mem_idx = MIPS_HFLAG_UM;
12323 ctx.mem_idx = ctx.hflags & MIPS_HFLAG_KSU;
12326 max_insns = tb->cflags & CF_COUNT_MASK;
12327 if (max_insns == 0)
12328 max_insns = CF_COUNT_MASK;
12329 LOG_DISAS("\ntb %p idx %d hflags %04x\n", tb, ctx.mem_idx, ctx.hflags);
12330 gen_icount_start();
12331 while (ctx.bstate == BS_NONE) {
12332 if (unlikely(!QTAILQ_EMPTY(&env->breakpoints))) {
12333 QTAILQ_FOREACH(bp, &env->breakpoints, entry) {
12334 if (bp->pc == ctx.pc) {
12335 save_cpu_state(&ctx, 1);
12336 ctx.bstate = BS_BRANCH;
12337 gen_helper_0i(raise_exception, EXCP_DEBUG);
12338 /* Include the breakpoint location or the tb won't
12339 * be flushed when it must be. */
12341 goto done_generating;
12347 j = gen_opc_ptr - gen_opc_buf;
12351 gen_opc_instr_start[lj++] = 0;
12353 gen_opc_pc[lj] = ctx.pc;
12354 gen_opc_hflags[lj] = ctx.hflags & MIPS_HFLAG_BMASK;
12355 gen_opc_instr_start[lj] = 1;
12356 gen_opc_icount[lj] = num_insns;
12358 if (num_insns + 1 == max_insns && (tb->cflags & CF_LAST_IO))
12362 if (!(ctx.hflags & MIPS_HFLAG_M16)) {
12363 ctx.opcode = ldl_code(ctx.pc);
12365 decode_opc(env, &ctx, &is_branch);
12366 } else if (env->insn_flags & ASE_MICROMIPS) {
12367 ctx.opcode = lduw_code(ctx.pc);
12368 insn_bytes = decode_micromips_opc(env, &ctx, &is_branch);
12369 } else if (env->insn_flags & ASE_MIPS16) {
12370 ctx.opcode = lduw_code(ctx.pc);
12371 insn_bytes = decode_mips16_opc(env, &ctx, &is_branch);
12373 generate_exception(&ctx, EXCP_RI);
12374 ctx.bstate = BS_STOP;
12378 handle_delay_slot(env, &ctx, insn_bytes);
12380 ctx.pc += insn_bytes;
12384 /* Execute a branch and its delay slot as a single instruction.
12385 This is what GDB expects and is consistent with what the
12386 hardware does (e.g. if a delay slot instruction faults, the
12387 reported PC is the PC of the branch). */
12388 if (env->singlestep_enabled && (ctx.hflags & MIPS_HFLAG_BMASK) == 0)
12391 if ((ctx.pc & (TARGET_PAGE_SIZE - 1)) == 0)
12394 if (gen_opc_ptr >= gen_opc_end)
12397 if (num_insns >= max_insns)
12403 if (tb->cflags & CF_LAST_IO)
12405 if (env->singlestep_enabled && ctx.bstate != BS_BRANCH) {
12406 save_cpu_state(&ctx, ctx.bstate == BS_NONE);
12407 gen_helper_0i(raise_exception, EXCP_DEBUG);
12409 switch (ctx.bstate) {
12411 gen_goto_tb(&ctx, 0, ctx.pc);
12414 save_cpu_state(&ctx, 0);
12415 gen_goto_tb(&ctx, 0, ctx.pc);
12418 tcg_gen_exit_tb(0);
12426 gen_icount_end(tb, num_insns);
12427 *gen_opc_ptr = INDEX_op_end;
12429 j = gen_opc_ptr - gen_opc_buf;
12432 gen_opc_instr_start[lj++] = 0;
12434 tb->size = ctx.pc - pc_start;
12435 tb->icount = num_insns;
12439 if (qemu_loglevel_mask(CPU_LOG_TB_IN_ASM)) {
12440 qemu_log("IN: %s\n", lookup_symbol(pc_start));
12441 log_target_disas(pc_start, ctx.pc - pc_start, 0);
12447 void gen_intermediate_code (CPUState *env, struct TranslationBlock *tb)
12449 gen_intermediate_code_internal(env, tb, 0);
12452 void gen_intermediate_code_pc (CPUState *env, struct TranslationBlock *tb)
12454 gen_intermediate_code_internal(env, tb, 1);
12457 static void fpu_dump_state(CPUState *env, FILE *f, fprintf_function fpu_fprintf,
12461 int is_fpu64 = !!(env->hflags & MIPS_HFLAG_F64);
12463 #define printfpr(fp) \
12466 fpu_fprintf(f, "w:%08x d:%016" PRIx64 \
12467 " fd:%13g fs:%13g psu: %13g\n", \
12468 (fp)->w[FP_ENDIAN_IDX], (fp)->d, \
12469 (double)(fp)->fd, \
12470 (double)(fp)->fs[FP_ENDIAN_IDX], \
12471 (double)(fp)->fs[!FP_ENDIAN_IDX]); \
12474 tmp.w[FP_ENDIAN_IDX] = (fp)->w[FP_ENDIAN_IDX]; \
12475 tmp.w[!FP_ENDIAN_IDX] = ((fp) + 1)->w[FP_ENDIAN_IDX]; \
12476 fpu_fprintf(f, "w:%08x d:%016" PRIx64 \
12477 " fd:%13g fs:%13g psu:%13g\n", \
12478 tmp.w[FP_ENDIAN_IDX], tmp.d, \
12480 (double)tmp.fs[FP_ENDIAN_IDX], \
12481 (double)tmp.fs[!FP_ENDIAN_IDX]); \
12486 fpu_fprintf(f, "CP1 FCR0 0x%08x FCR31 0x%08x SR.FR %d fp_status 0x%02x\n",
12487 env->active_fpu.fcr0, env->active_fpu.fcr31, is_fpu64,
12488 get_float_exception_flags(&env->active_fpu.fp_status));
12489 for (i = 0; i < 32; (is_fpu64) ? i++ : (i += 2)) {
12490 fpu_fprintf(f, "%3s: ", fregnames[i]);
12491 printfpr(&env->active_fpu.fpr[i]);
12497 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
12498 /* Debug help: The architecture requires 32bit code to maintain proper
12499 sign-extended values on 64bit machines. */
12501 #define SIGN_EXT_P(val) ((((val) & ~0x7fffffff) == 0) || (((val) & ~0x7fffffff) == ~0x7fffffff))
12504 cpu_mips_check_sign_extensions (CPUState *env, FILE *f,
12505 fprintf_function cpu_fprintf,
12510 if (!SIGN_EXT_P(env->active_tc.PC))
12511 cpu_fprintf(f, "BROKEN: pc=0x" TARGET_FMT_lx "\n", env->active_tc.PC);
12512 if (!SIGN_EXT_P(env->active_tc.HI[0]))
12513 cpu_fprintf(f, "BROKEN: HI=0x" TARGET_FMT_lx "\n", env->active_tc.HI[0]);
12514 if (!SIGN_EXT_P(env->active_tc.LO[0]))
12515 cpu_fprintf(f, "BROKEN: LO=0x" TARGET_FMT_lx "\n", env->active_tc.LO[0]);
12516 if (!SIGN_EXT_P(env->btarget))
12517 cpu_fprintf(f, "BROKEN: btarget=0x" TARGET_FMT_lx "\n", env->btarget);
12519 for (i = 0; i < 32; i++) {
12520 if (!SIGN_EXT_P(env->active_tc.gpr[i]))
12521 cpu_fprintf(f, "BROKEN: %s=0x" TARGET_FMT_lx "\n", regnames[i], env->active_tc.gpr[i]);
12524 if (!SIGN_EXT_P(env->CP0_EPC))
12525 cpu_fprintf(f, "BROKEN: EPC=0x" TARGET_FMT_lx "\n", env->CP0_EPC);
12526 if (!SIGN_EXT_P(env->lladdr))
12527 cpu_fprintf(f, "BROKEN: LLAddr=0x" TARGET_FMT_lx "\n", env->lladdr);
12531 void cpu_dump_state (CPUState *env, FILE *f, fprintf_function cpu_fprintf,
12536 cpu_fprintf(f, "pc=0x" TARGET_FMT_lx " HI=0x" TARGET_FMT_lx
12537 " LO=0x" TARGET_FMT_lx " ds %04x "
12538 TARGET_FMT_lx " " TARGET_FMT_ld "\n",
12539 env->active_tc.PC, env->active_tc.HI[0], env->active_tc.LO[0],
12540 env->hflags, env->btarget, env->bcond);
12541 for (i = 0; i < 32; i++) {
12543 cpu_fprintf(f, "GPR%02d:", i);
12544 cpu_fprintf(f, " %s " TARGET_FMT_lx, regnames[i], env->active_tc.gpr[i]);
12546 cpu_fprintf(f, "\n");
12549 cpu_fprintf(f, "CP0 Status 0x%08x Cause 0x%08x EPC 0x" TARGET_FMT_lx "\n",
12550 env->CP0_Status, env->CP0_Cause, env->CP0_EPC);
12551 cpu_fprintf(f, " Config0 0x%08x Config1 0x%08x LLAddr 0x" TARGET_FMT_lx "\n",
12552 env->CP0_Config0, env->CP0_Config1, env->lladdr);
12553 if (env->hflags & MIPS_HFLAG_FPU)
12554 fpu_dump_state(env, f, cpu_fprintf, flags);
12555 #if defined(TARGET_MIPS64) && defined(MIPS_DEBUG_SIGN_EXTENSIONS)
12556 cpu_mips_check_sign_extensions(env, f, cpu_fprintf, flags);
12560 static void mips_tcg_init(void)
12565 /* Initialize various static tables. */
12569 cpu_env = tcg_global_reg_new_ptr(TCG_AREG0, "env");
12570 TCGV_UNUSED(cpu_gpr[0]);
12571 for (i = 1; i < 32; i++)
12572 cpu_gpr[i] = tcg_global_mem_new(TCG_AREG0,
12573 offsetof(CPUState, active_tc.gpr[i]),
12575 cpu_PC = tcg_global_mem_new(TCG_AREG0,
12576 offsetof(CPUState, active_tc.PC), "PC");
12577 for (i = 0; i < MIPS_DSP_ACC; i++) {
12578 cpu_HI[i] = tcg_global_mem_new(TCG_AREG0,
12579 offsetof(CPUState, active_tc.HI[i]),
12581 cpu_LO[i] = tcg_global_mem_new(TCG_AREG0,
12582 offsetof(CPUState, active_tc.LO[i]),
12584 cpu_ACX[i] = tcg_global_mem_new(TCG_AREG0,
12585 offsetof(CPUState, active_tc.ACX[i]),
12588 cpu_dspctrl = tcg_global_mem_new(TCG_AREG0,
12589 offsetof(CPUState, active_tc.DSPControl),
12591 bcond = tcg_global_mem_new(TCG_AREG0,
12592 offsetof(CPUState, bcond), "bcond");
12593 btarget = tcg_global_mem_new(TCG_AREG0,
12594 offsetof(CPUState, btarget), "btarget");
12595 hflags = tcg_global_mem_new_i32(TCG_AREG0,
12596 offsetof(CPUState, hflags), "hflags");
12598 fpu_fcr0 = tcg_global_mem_new_i32(TCG_AREG0,
12599 offsetof(CPUState, active_fpu.fcr0),
12601 fpu_fcr31 = tcg_global_mem_new_i32(TCG_AREG0,
12602 offsetof(CPUState, active_fpu.fcr31),
12605 /* register helpers */
12606 #define GEN_HELPER 2
12607 #include "helper.h"
12612 #include "translate_init.c"
12614 CPUMIPSState *cpu_mips_init (const char *cpu_model)
12617 const mips_def_t *def;
12619 def = cpu_mips_find_by_name(cpu_model);
12622 env = qemu_mallocz(sizeof(CPUMIPSState));
12623 env->cpu_model = def;
12624 env->cpu_model_str = cpu_model;
12626 cpu_exec_init(env);
12627 #ifndef CONFIG_USER_ONLY
12628 mmu_init(env, def);
12630 fpu_init(env, def);
12631 mvp_init(env, def);
12634 qemu_init_vcpu(env);
12638 void cpu_reset (CPUMIPSState *env)
12640 if (qemu_loglevel_mask(CPU_LOG_RESET)) {
12641 qemu_log("CPU Reset (CPU %d)\n", env->cpu_index);
12642 log_cpu_state(env, 0);
12645 memset(env, 0, offsetof(CPUMIPSState, breakpoints));
12648 /* Reset registers to their default values */
12649 env->CP0_PRid = env->cpu_model->CP0_PRid;
12650 env->CP0_Config0 = env->cpu_model->CP0_Config0;
12651 #ifdef TARGET_WORDS_BIGENDIAN
12652 env->CP0_Config0 |= (1 << CP0C0_BE);
12654 env->CP0_Config1 = env->cpu_model->CP0_Config1;
12655 env->CP0_Config2 = env->cpu_model->CP0_Config2;
12656 env->CP0_Config3 = env->cpu_model->CP0_Config3;
12657 env->CP0_Config6 = env->cpu_model->CP0_Config6;
12658 env->CP0_Config7 = env->cpu_model->CP0_Config7;
12659 env->CP0_LLAddr_rw_bitmask = env->cpu_model->CP0_LLAddr_rw_bitmask
12660 << env->cpu_model->CP0_LLAddr_shift;
12661 env->CP0_LLAddr_shift = env->cpu_model->CP0_LLAddr_shift;
12662 env->SYNCI_Step = env->cpu_model->SYNCI_Step;
12663 env->CCRes = env->cpu_model->CCRes;
12664 env->CP0_Status_rw_bitmask = env->cpu_model->CP0_Status_rw_bitmask;
12665 env->CP0_TCStatus_rw_bitmask = env->cpu_model->CP0_TCStatus_rw_bitmask;
12666 env->CP0_SRSCtl = env->cpu_model->CP0_SRSCtl;
12667 env->current_tc = 0;
12668 env->SEGBITS = env->cpu_model->SEGBITS;
12669 env->SEGMask = (target_ulong)((1ULL << env->cpu_model->SEGBITS) - 1);
12670 #if defined(TARGET_MIPS64)
12671 if (env->cpu_model->insn_flags & ISA_MIPS3) {
12672 env->SEGMask |= 3ULL << 62;
12675 env->PABITS = env->cpu_model->PABITS;
12676 env->PAMask = (target_ulong)((1ULL << env->cpu_model->PABITS) - 1);
12677 env->CP0_SRSConf0_rw_bitmask = env->cpu_model->CP0_SRSConf0_rw_bitmask;
12678 env->CP0_SRSConf0 = env->cpu_model->CP0_SRSConf0;
12679 env->CP0_SRSConf1_rw_bitmask = env->cpu_model->CP0_SRSConf1_rw_bitmask;
12680 env->CP0_SRSConf1 = env->cpu_model->CP0_SRSConf1;
12681 env->CP0_SRSConf2_rw_bitmask = env->cpu_model->CP0_SRSConf2_rw_bitmask;
12682 env->CP0_SRSConf2 = env->cpu_model->CP0_SRSConf2;
12683 env->CP0_SRSConf3_rw_bitmask = env->cpu_model->CP0_SRSConf3_rw_bitmask;
12684 env->CP0_SRSConf3 = env->cpu_model->CP0_SRSConf3;
12685 env->CP0_SRSConf4_rw_bitmask = env->cpu_model->CP0_SRSConf4_rw_bitmask;
12686 env->CP0_SRSConf4 = env->cpu_model->CP0_SRSConf4;
12687 env->insn_flags = env->cpu_model->insn_flags;
12689 #if defined(CONFIG_USER_ONLY)
12690 env->hflags = MIPS_HFLAG_UM;
12691 /* Enable access to the SYNCI_Step register. */
12692 env->CP0_HWREna |= (1 << 1);
12693 if (env->CP0_Config1 & (1 << CP0C1_FP)) {
12694 env->hflags |= MIPS_HFLAG_FPU;
12696 #ifdef TARGET_MIPS64
12697 if (env->active_fpu.fcr0 & (1 << FCR0_F64)) {
12698 env->hflags |= MIPS_HFLAG_F64;
12702 if (env->hflags & MIPS_HFLAG_BMASK) {
12703 /* If the exception was raised from a delay slot,
12704 come back to the jump. */
12705 env->CP0_ErrorEPC = env->active_tc.PC - 4;
12707 env->CP0_ErrorEPC = env->active_tc.PC;
12709 env->active_tc.PC = (int32_t)0xBFC00000;
12710 env->CP0_Random = env->tlb->nb_tlb - 1;
12711 env->tlb->tlb_in_use = env->tlb->nb_tlb;
12712 env->CP0_Wired = 0;
12713 env->CP0_EBase = 0x80000000 | (env->cpu_index & 0x3FF);
12714 env->CP0_Status = (1 << CP0St_BEV) | (1 << CP0St_ERL);
12715 /* vectored interrupts not implemented, timer on int 7,
12716 no performance counters. */
12717 env->CP0_IntCtl = 0xe0000000;
12721 for (i = 0; i < 7; i++) {
12722 env->CP0_WatchLo[i] = 0;
12723 env->CP0_WatchHi[i] = 0x80000000;
12725 env->CP0_WatchLo[7] = 0;
12726 env->CP0_WatchHi[7] = 0;
12728 /* Count register increments in debug mode, EJTAG version 1 */
12729 env->CP0_Debug = (1 << CP0DB_CNT) | (0x1 << CP0DB_VER);
12730 env->hflags = MIPS_HFLAG_CP0;
12732 #if defined(TARGET_MIPS64)
12733 if (env->cpu_model->insn_flags & ISA_MIPS3) {
12734 env->hflags |= MIPS_HFLAG_64;
12737 env->exception_index = EXCP_NONE;
12740 void gen_pc_load(CPUState *env, TranslationBlock *tb,
12741 unsigned long searched_pc, int pc_pos, void *puc)
12743 env->active_tc.PC = gen_opc_pc[pc_pos];
12744 env->hflags &= ~MIPS_HFLAG_BMASK;
12745 env->hflags |= gen_opc_hflags[pc_pos];